/* roulang page: index */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-100: #F7EFDC;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --line: #E0E3DC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.015em;
        }
        h2 {
            font-size: 1.75rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.25rem;
            letter-spacing: -0.005em;
        }
        p {
            margin-bottom: 1.2em;
            line-height: 1.9;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .mono-num {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
        }

        /* 导航品牌行 */
        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
        }

        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        /* 频道行 */
        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }

        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }
        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }
        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }

        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
        }

        .channel-item:last-child {
            border-right: none;
        }

        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }

        .channel-item.active {
            color: var(--brand-800);
            font-weight: 600;
            background-color: var(--brand-50);
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        .hamburger-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--line);
            background: #FFFFFF;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
        }

        .hamburger-btn span {
            display: block;
            width: 18px;
            height: 2px;
            background-color: var(--brand-800);
            border-radius: 1px;
        }

        /* 移动端频道抽屉 */
        .mobile-channel-drawer {
            display: none;
            background: #FFFFFF;
            border-top: 1px solid var(--line);
            flex-direction: column;
            padding: 8px 16px;
        }

        .mobile-channel-drawer.open {
            display: flex;
        }

        .mobile-channel-link {
            display: block;
            padding: 12px 0;
            font-size: 0.95rem;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
        }

        .mobile-channel-link:last-child {
            border-bottom: none;
        }

        .mobile-channel-link.active {
            color: var(--brand-700);
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background-image: linear-gradient(105deg, rgba(10, 43, 33, 0.95) 0%, rgba(10, 43, 33, 0.9) 35%, rgba(10, 43, 33, 0.78) 60%, rgba(10, 43, 33, 0.68) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 76vh;
            display: flex;
            align-items: center;
            position: relative;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 43, 33, 0.25) 0%, rgba(10, 43, 33, 0.55) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
            width: 100%;
        }

        .hero-countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(212, 175, 106, 0.5);
            border-radius: 999px;
            padding: 8px 20px;
            color: #F5F3EE;
            font-size: 0.9rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            margin-bottom: 24px;
        }

        .hero-countdown-bar .countdown-timer {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gold-400);
            letter-spacing: 0.06em;
        }

        .hero-title {
            color: #FFFFFF;
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            line-height: 1.12;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            max-width: 800px;
        }

        .hero-title .highlight-gold {
            color: var(--gold-400);
            border-bottom: 3px solid var(--gold-500);
            padding-bottom: 2px;
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.1rem;
            line-height: 1.75;
            max-width: 620px;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--brand-700);
            transition: var(--transition-base);
            min-height: 44px;
        }

        .btn-primary:hover {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
            box-shadow: 0 4px 16px rgba(201, 162, 75, 0.35);
        }

        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition-base);
            min-height: 44px;
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        .btn-secondary:active {
            transform: translateY(2px);
        }

        .hero-trust-points {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
        }

        .hero-trust-item svg {
            width: 18px;
            height: 18px;
            color: var(--gold-400);
            flex-shrink: 0;
        }

        /* 通用 section */
        .section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gold-600);
            background-color: var(--gold-100);
            border: 1px solid rgba(201, 162, 75, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            color: var(--brand-900);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--slate2);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 700px;
        }

        /* 指标看板 */
        .metrics-board {
            background-color: var(--brand-900);
            position: relative;
            overflow: hidden;
        }

        .metrics-board::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-500), var(--gold-400), var(--gold-500));
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .metric-card {
            background-color: var(--brand-900);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: var(--transition-base);
        }

        .metric-card:hover {
            background-color: var(--brand-800);
        }

        .metric-value {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: var(--gold-400);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .metric-value .unit {
            font-size: 0.4em;
            font-weight: 500;
            color: rgba(212, 175, 106, 0.7);
            margin-left: 4px;
        }

        .metric-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .metric-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            color: var(--gold-400);
            font-weight: 500;
        }

        .metric-trend .trend-bar {
            flex: 1;
            height: 4px;
            background-color: rgba(255, 255, 255, 0.12);
            border-radius: 2px;
            overflow: hidden;
        }

        .metric-trend .trend-bar-fill {
            height: 100%;
            background-color: var(--gold-500);
            border-radius: 2px;
            transition: width 1s ease;
        }

        /* 服务矩阵 */
        .services-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
        }

        .service-card-large {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .service-card-large:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(20, 90, 67, 0.25);
        }

        .service-card-large .service-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .service-card-large .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .service-card-large:hover .service-img img {
            transform: scale(1.04);
        }

        .service-card-large .service-body {
            padding: 28px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-large .service-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 10px;
        }

        .service-card-large .service-desc {
            color: var(--slate2);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

        .learn-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-700);
        }

        .learn-more-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.25s ease;
        }

        .learn-more-link:hover {
            color: var(--gold-600);
        }
        .learn-more-link:hover svg {
            transform: translateX(4px);
        }

        .service-card-small-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .service-card-small {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .service-card-small:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(20, 90, 67, 0.25);
        }

        .service-card-small .service-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--brand-50);
            color: var(--brand-700);
            margin-bottom: 12px;
        }

        .service-card-small .service-icon svg {
            width: 20px;
            height: 20px;
        }

        .service-card-small .service-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 6px;
        }

        .service-card-small .service-desc {
            color: var(--slate2);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* 品牌介绍 */
        .brand-intro {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .brand-intro-text {
            position: relative;
            padding-left: 20px;
        }

        .brand-intro-text::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background-color: var(--gold-500);
            border-radius: 2px;
        }

        .brand-intro-text .intro-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 16px;
        }

        .brand-intro-text p {
            color: var(--slate2);
            font-size: 0.95rem;
            line-height: 1.9;
            margin-bottom: 1em;
        }

        .brand-intro-img img {
            border-radius: var(--radius-md);
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
            height: auto;
        }

        /* 结果对比 */
        .comparison-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .comparison-col {
            padding: 32px 28px;
        }

        .comparison-col.before {
            background-color: var(--mist);
            border-right: 1px solid var(--line);
        }

        .comparison-col.after {
            background-color: var(--brand-50);
        }

        .comparison-col .col-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 18px;
        }

        .comparison-col.before .col-label {
            background-color: #E8E6E0;
            color: var(--slate2);
        }

        .comparison-col.after .col-label {
            background-color: var(--brand-700);
            color: #FFFFFF;
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .comparison-list li {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-bottom: 14px;
            border-bottom: 1px dashed var(--line);
        }

        .comparison-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .comparison-list .item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ink);
        }

        .comparison-list .item-desc {
            font-size: 0.85rem;
            color: var(--slate3);
        }

        /* 新闻中心 */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-featured {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .news-featured:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .news-featured .news-featured-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .news-featured img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-featured:hover img {
            transform: scale(1.03);
        }
        .news-featured-body {
            padding: 24px 26px;
        }
        .news-date-badge {
            display: inline-flex;
            align-items: center;
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--gold-600);
            background-color: var(--gold-100);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .news-featured .news-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .news-featured .news-desc {
            color: var(--slate2);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-700);
        }
        .btn-read-more svg {
            width: 15px;
            height: 15px;
            transition: transform 0.25s ease;
        }
        .btn-read-more:hover {
            color: var(--gold-600);
        }
        .btn-read-more:hover svg {
            transform: translateX(4px);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-list-item {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(20, 90, 67, 0.25);
        }
        .news-list-item .news-date-sm {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--gold-600);
            background-color: var(--gold-100);
            padding: 3px 8px;
            border-radius: 4px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-list-item .news-list-content {
            flex: 1;
        }
        .news-list-item .news-list-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-list-item .news-list-desc {
            font-size: 0.85rem;
            color: var(--slate2);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        /* 深度内容区 */
        .deep-content {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
        }

        .deep-content h2 {
            font-size: 1.5rem;
            color: var(--brand-900);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .deep-content h3 {
            font-size: 1.15rem;
            color: var(--brand-700);
            margin-bottom: 12px;
        }
        .deep-content p {
            color: var(--slate2);
            font-size: 0.95rem;
            line-height: 1.9;
            margin-bottom: 1.2em;
        }
        .deep-content .deep-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 24px 0;
            aspect-ratio: 16/7;
        }
        .deep-content .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 观点解读 */
        .opinion-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .opinion-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .opinion-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .opinion-quote {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--slate2);
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 16px;
            border-left: 2px solid var(--gold-400);
        }
        .opinion-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-700);
        }
        .opinion-role {
            font-size: 0.8rem;
            color: var(--slate3);
        }

        /* 议程时间线 */
        .timeline-wrapper {
            position: relative;
            padding-left: 40px;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--brand-200);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--gold-500);
            border: 2px solid #FFFFFF;
            box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.3);
        }
        .timeline-time {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--gold-600);
            margin-bottom: 6px;
        }
        .timeline-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 6px;
        }
        .timeline-desc {
            font-size: 0.85rem;
            color: var(--slate2);
            line-height: 1.65;
        }

        /* 优惠阶梯 */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tier-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .tier-card.featured {
            border-color: var(--gold-500);
            box-shadow: 0 4px 20px rgba(201, 162, 75, 0.2);
        }
        .tier-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 12px;
            right: -32px;
            background-color: var(--gold-500);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 36px;
            transform: rotate(45deg);
        }
        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .tier-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--slate2);
            margin-bottom: 8px;
        }
        .tier-value {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-800);
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .tier-value .currency {
            font-size: 0.5em;
            font-weight: 500;
            color: var(--slate3);
        }
        .tier-benefits {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 18px;
        }
        .tier-benefits li {
            font-size: 0.85rem;
            color: var(--slate2);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-benefits li::before {
            content: '✓';
            color: var(--brand-500);
            font-weight: 700;
        }
        .btn-tier {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--brand-700);
            color: var(--brand-700);
            background: transparent;
            transition: var(--transition-base);
        }
        .btn-tier:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
        }
        .tier-card.featured .btn-tier {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
        }
        .tier-card.featured .btn-tier:hover {
            background-color: var(--gold-600);
            border-color: var(--gold-600);
            color: #FFFFFF;
        }

        /* FAQ */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(20, 90, 67, 0.3);
        }
        .faq-item.open {
            border-color: var(--brand-300);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-900);
            background-color: rgba(20, 90, 67, 0.04);
            text-align: left;
            gap: 12px;
        }
        .faq-question:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .faq-question .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-500);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--gold-600);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            color: var(--slate2);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 转化表单 */
        .cta-panel {
            background-color: var(--brand-900);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-panel);
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background-color: rgba(212, 175, 106, 0.12);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 140px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background-color: rgba(212, 175, 106, 0.08);
        }
        .cta-panel-text {
            position: relative;
            z-index: 2;
        }
        .cta-panel-text h2 {
            color: #FFFFFF;
            font-size: 1.8rem;
            margin-bottom: 14px;
        }
        .cta-panel-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .cta-panel-form {
            position: relative;
            z-index: 2;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        .form-field {
            margin-bottom: 18px;
        }
        .form-field label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 6px;
        }
        .form-field input,
        .form-field textarea,
        .form-field select {
            width: 100%;
            padding: 12px 14px;
            font-size: 0.9rem;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background-color: var(--cream);
            color: var(--ink);
            transition: var(--transition-base);
        }
        .form-field input:focus,
        .form-field textarea:focus,
        .form-field select:focus {
            outline: none;
            border-color: var(--brand-500);
            background-color: #FFFFFF;
            box-shadow: var(--focus-ring);
        }
        .form-field textarea {
            resize: vertical;
            min-height: 90px;
        }
        .btn-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 14px 24px;
            background-color: var(--gold-500);
            color: var(--ink);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 2px solid var(--gold-500);
            transition: var(--transition-base);
            min-height: 46px;
        }
        .btn-submit:hover {
            background-color: var(--gold-400);
            border-color: var(--gold-400);
            box-shadow: 0 4px 16px rgba(201, 162, 75, 0.4);
        }
        .btn-submit:active {
            transform: translateY(2px);
        }
        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 18px;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .trust-badge svg {
            width: 16px;
            height: 16px;
            color: var(--gold-400);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--brand-900);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo-text {
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-brand .logo-text .logo-badge {
            background: rgba(255, 255, 255, 0.12);
            color: var(--gold-400);
        }
        .footer-brand .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            max-width: 320px;
        }
        .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition-base);
        }
        .footer-links li a:hover {
            color: var(--gold-400);
        }
        .footer-contact-item {
            display: flex;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: var(--gold-400);
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-matrix {
                grid-template-columns: 1fr;
            }
            .service-card-small-grid {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .service-card-small {
                flex: 1;
                min-width: 200px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 28px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .opinion-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                padding: 40px 28px;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            h1 {
                font-size: 2rem;
            }
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .hero-section {
                min-height: 520px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .comparison-col.before {
                border-right: none;
                border-bottom: 1px solid var(--line);
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .timeline-wrapper {
                padding-left: 30px;
            }
            .timeline-wrapper::before {
                left: 12px;
            }
            .timeline-item::before {
                left: -24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hamburger-btn {
                display: flex;
            }
            .channel-nav-inner {
                display: none;
            }
            .mobile-channel-drawer {
                display: flex;
            }
            .channel-nav {
                top: 0;
            }
            .brand-topbar {
                position: relative;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .service-card-small-grid {
                flex-direction: column;
            }
            .opinion-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel-form {
                padding: 24px 18px;
            }
            .cta-panel {
                padding: 32px 18px;
            }
            .hero-countdown-bar {
                font-size: 0.75rem;
                padding: 6px 14px;
                gap: 6px;
            }
            .hero-countdown-bar .countdown-timer {
                font-size: 0.9rem;
            }
            .hero-trust-points {
                gap: 14px;
                flex-direction: column;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (min-width: 769px) {
            .mobile-channel-drawer {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
      --brand-900: #0E3B2E;
      --brand-800: #0A2B21;
      --brand-700: #145A43;
      --brand-600: #1E563F;
      --brand-500: #2E6B55;
      --brand-300: #6B9A88;
      --brand-100: #DCE8E1;
      --brand-50: #EDF4F0;
      --gold-500: #C9A24B;
      --gold-400: #D4AF6A;
      --gold-100: #F7EFDC;
      --gold-50: #FBF6EA;
      --cream: #F5F3EE;
      --mist: #F2F5F1;
      --white: #FFFFFF;
      --ink: #1A1A1A;
      --slate2: #555555;
      --slate3: #888888;
      --line: #E0E3DC;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
      --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
      --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
      --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
      --transition-base: all 0.25s ease;
      --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      font-size: 16px;
    }

    body {
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
      font-size: 16px;
      line-height: 1.85;
      color: var(--ink);
      background-color: var(--cream);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100vh;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-base);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input,
    textarea,
    select {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
    }

    .container {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 32px;
      padding-right: 32px;
    }

    /* ===== 导航品牌行 ===== */
    .brand-topbar {
      background-color: var(--white);
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 0;
      z-index: 60;
      box-shadow: 0 1px 4px rgba(14, 59, 46, 0.04);
    }

    .brand-topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 60px;
    }

    .logo-text {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--brand-900);
      letter-spacing: 0.02em;
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .logo-text .logo-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: 6px;
      background: var(--brand-800);
      color: var(--gold-400);
      font-size: 1rem;
      font-weight: 700;
      line-height: 1;
    }

    .topbar-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .topbar-link {
      font-size: 0.85rem;
      color: var(--slate2);
      padding: 6px 10px;
      border-radius: 6px;
      white-space: nowrap;
    }

    .topbar-link:hover {
      color: var(--brand-700);
      background-color: var(--brand-50);
    }

    .icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 6px;
      color: var(--slate2);
      border: 1px solid var(--line);
      background: var(--white);
      transition: var(--transition-base);
    }

    .icon-btn:hover {
      border-color: var(--brand-300);
      color: var(--brand-700);
      background-color: var(--brand-50);
    }

    .hamburger-btn {
      display: none;
      flex-direction: column;
      gap: 4px;
      width: 36px;
      height: 36px;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      border: 1px solid var(--line);
      background: var(--white);
    }

    .hamburger-btn span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--brand-900);
      border-radius: 2px;
      transition: var(--transition-base);
    }

    /* ===== 频道行 ===== */
    .channel-nav {
      background-color: var(--white);
      border-bottom: 2px solid var(--brand-800);
      position: sticky;
      top: 60px;
      z-index: 59;
    }

    .channel-nav-inner {
      display: flex;
      align-items: center;
      gap: 0;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: thin;
      scrollbar-color: var(--brand-300) transparent;
    }

    .channel-nav-inner::-webkit-scrollbar {
      height: 3px;
    }

    .channel-nav-inner::-webkit-scrollbar-track {
      background: transparent;
    }

    .channel-nav-inner::-webkit-scrollbar-thumb {
      background-color: var(--brand-300);
      border-radius: 3px;
    }

    .channel-item {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding: 14px 18px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--slate2);
      white-space: nowrap;
      border-right: 1px solid var(--line);
      transition: var(--transition-base);
    }

    .channel-item:last-child {
      border-right: none;
    }

    .channel-item:hover {
      color: var(--brand-700);
      background-color: var(--brand-50);
    }

    .channel-item:hover::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 18px;
      right: 18px;
      height: 2px;
      background-color: var(--brand-500);
      border-radius: 2px 2px 0 0;
    }

    .channel-item.active {
      color: var(--brand-800);
      font-weight: 600;
      background-color: var(--brand-50);
    }

    .channel-item.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 18px;
      right: 18px;
      height: 3px;
      background-color: var(--gold-500);
      border-radius: 2px 2px 0 0;
    }

    /* ===== 面包屑 ===== */
    .breadcrumb-bar {
      background-color: var(--brand-800);
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .breadcrumb-nav {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.7);
    }

    .breadcrumb-nav a {
      color: rgba(255, 255, 255, 0.7);
      transition: var(--transition-base);
    }

    .breadcrumb-nav a:hover {
      color: var(--gold-400);
    }

    .breadcrumb-nav .sep {
      color: rgba(255, 255, 255, 0.4);
    }

    .breadcrumb-nav .current {
      color: var(--gold-400);
      font-weight: 600;
    }

    /* ===== 页面标题区 ===== */
    .page-hero {
      background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 50%, var(--brand-600) 100%);
      padding: 56px 0 72px;
      position: relative;
      overflow: hidden;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      top: -60%;
      right: -20%;
      width: 600px;
      height: 600px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(201, 162, 75, 0.18) 0%, transparent 65%);
      pointer-events: none;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      bottom: -40%;
      left: -10%;
      width: 500px;
      height: 500px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(201, 162, 75, 0.1) 0%, transparent 60%);
      pointer-events: none;
    }

    .page-hero-inner {
      position: relative;
      z-index: 1;
      max-width: 820px;
    }

    .page-hero .eyebrow {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--gold-400);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 16px;
      padding: 5px 14px;
      border: 1px solid rgba(201, 162, 75, 0.4);
      border-radius: 20px;
      background: rgba(201, 162, 75, 0.08);
    }

    .page-hero h1 {
      font-size: 2.6rem;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: 0.01em;
    }

    .page-hero .page-summary {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.8;
      max-width: 700px;
    }

    /* ===== 按钮 ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      min-height: 44px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 600;
      background: var(--brand-700);
      color: #FFFFFF;
      transition: var(--transition-base);
      text-align: center;
      cursor: pointer;
      border: 1px solid var(--brand-700);
      letter-spacing: 0.01em;
    }

    .btn-primary:hover {
      background: var(--gold-500);
      color: var(--brand-900);
      border-color: var(--gold-500);
      box-shadow: 0 6px 18px rgba(201, 162, 75, 0.35);
      transform: translateY(-1px);
    }

    .btn-primary:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .btn-outline:focus-visible {
      outline: none;
      box-shadow: var(--focus-ring);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      min-height: 44px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 600;
      background: transparent;
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.5);
      transition: var(--transition-base);
      text-align: center;
      cursor: pointer;
      letter-spacing: 0.01em;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #FFFFFF;
      color: #FFFFFF;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 20px;
      min-height: 40px;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      font-weight: 600;
      background: transparent;
      color: var(--brand-700);
      border: 1px solid var(--brand-700);
      transition: var(--transition-base);
      text-align: center;
      cursor: pointer;
      gap: 6px;
    }

    .btn-outline:hover {
      background: var(--brand-700);
      color: #FFFFFF;
    }

    .btn-outline .arrow {
      transition: transform 0.25s ease;
      display: inline-block;
    }

    .btn-outline:hover .arrow {
      transform: translateX(4px);
    }

    /* ===== 图文交错模块 ===== */
    .alternating-section {
      padding: 56px 0;
    }

    .alternating-section:nth-child(even) {
      background-color: #FAF9F6;
    }

    .alt-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .alt-row.reverse {
      direction: rtl;
    }

    .alt-row.reverse > * {
      direction: ltr;
    }

    .alt-media {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      position: relative;
      border: 1px solid var(--line);
    }

    .alt-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 4 / 3;
    }

    .alt-media .img-caption {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 12px 18px;
      background: linear-gradient(to top, rgba(10, 43, 33, 0.85) 0%, rgba(10, 43, 33, 0) 100%);
      color: rgba(255, 255, 255, 0.9);
      font-size: 0.8rem;
      line-height: 1.5;
      letter-spacing: 0.02em;
    }

    .alt-content h2 {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--brand-900);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: 0.01em;
    }

    .alt-content .alt-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--brand-700);
      background: var(--brand-50);
      padding: 4px 12px;
      border-radius: 16px;
      margin-bottom: 12px;
      border: 1px solid var(--brand-100);
    }

    .alt-content p {
      color: var(--slate2);
      font-size: 0.95rem;
      line-height: 1.85;
      margin-bottom: 14px;
    }

    .alt-content p strong {
      color: var(--brand-900);
      font-weight: 600;
    }

    .alt-content ul.alt-list {
      list-style: none;
      margin: 16px 0 20px;
      padding: 0;
    }

    .alt-content ul.alt-list li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 10px;
      font-size: 0.9rem;
      color: var(--slate2);
      line-height: 1.6;
    }

    .alt-content ul.alt-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 10px;
      height: 2px;
      background: var(--gold-500);
      border-radius: 2px;
    }

    /* ===== 数据速览 ===== */
    .data-snapshot {
      padding: 56px 0;
      background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-800) 100%);
      position: relative;
      overflow: hidden;
    }

    .data-snapshot::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(to right, var(--gold-500), rgba(201, 162, 75, 0.2));
    }

    .data-snapshot-inner h2 {
      font-size: 1.6rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 28px;
      text-align: center;
    }

    .data-snapshot-inner h2 span {
      color: var(--gold-400);
    }

    .data-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      transition: var(--transition-base);
    }

    .stat-card:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(201, 162, 75, 0.4);
    }

    .stat-card .stat-number {
      font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--gold-400);
      line-height: 1.2;
      margin-bottom: 6px;
      letter-spacing: 0.02em;
    }

    .stat-card .stat-unit {
      font-size: 0.9rem;
      color: var(--gold-400);
      font-weight: 600;
    }

    .stat-card .stat-label {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.75);
      margin-top: 4px;
    }

    .stat-card .stat-trend {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      font-size: 0.8rem;
      font-weight: 600;
      margin-top: 8px;
      padding-top: 8px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .stat-card .stat-trend.up {
      color: #7DCEA0;
    }

    .stat-card .stat-trend.down {
      color: #E5A8A0;
    }

    /* ===== 方法模块简版 ===== */
    .method-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .method-item-sm {
      background: var(--brand-50);
      border: 1px solid var(--brand-100);
      border-radius: var(--radius-sm);
      padding: 18px 16px;
      text-align: center;
    }

    .method-item-sm .method-icon {
      font-size: 1.5rem;
      margin-bottom: 8px;
    }

    .method-item-sm .method-name {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--brand-800);
    }

    .method-item-sm .method-desc {
      font-size: 0.78rem;
      color: var(--slate3);
      margin-top: 4px;
      line-height: 1.5;
    }

    /* ===== CTA面板 ===== */
    .cta-panel {
      padding: 56px 0;
      background: linear-gradient(135deg, var(--brand-700) 0%, var(--brand-800) 100%);
      position: relative;
      overflow: hidden;
    }

    .cta-panel::after {
      content: '';
      position: absolute;
      top: -50%;
      right: -10%;
      width: 500px;
      height: 500px;
      border-radius: 50%;
      background: rgba(201, 162, 75, 0.12);
      pointer-events: none;
    }

    .cta-panel-inner {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 600px;
      margin: 0 auto;
    }

    .cta-panel-inner h2 {
      font-size: 1.9rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .cta-panel-inner p {
      color: rgba(255, 255, 255, 0.8);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .cta-panel-inner .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      min-height: 48px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 700;
      background: var(--gold-500);
      color: var(--brand-900);
      transition: var(--transition-base);
      text-align: center;
      cursor: pointer;
      border: 1px solid var(--gold-500);
    }

    .cta-panel-inner .btn-gold:hover {
      background: var(--gold-400);
      border-color: var(--gold-400);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(201, 162, 75, 0.3);
    }

    .cta-panel-inner .btn-gold:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background-color: #0A1813;
      color: rgba(255, 255, 255, 0.7);
      padding-top: 48px;
      margin-top: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .logo-text {
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .footer-brand .logo-text .logo-badge {
      background: var(--brand-700);
    }

    .footer-desc {
      font-size: 0.85rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.55);
      max-width: 320px;
    }

    .footer-heading {
      font-size: 0.9rem;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.55);
      transition: var(--transition-base);
    }

    .footer-links a:hover {
      color: var(--gold-400);
    }

    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.83rem;
      color: rgba(255, 255, 255, 0.55);
      margin-bottom: 8px;
    }

    .footer-contact-item span:first-child {
      flex-shrink: 0;
      font-size: 0.9rem;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
      padding: 20px 0;
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.55);
      text-decoration: none;
      transition: var(--transition-base);
    }

    .footer-bottom a:hover {
      color: var(--gold-400);
    }

    .footer-bottom .sep {
      color: rgba(255, 255, 255, 0.25);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .container {
        padding-left: 24px;
        padding-right: 24px;
      }

      .alt-row {
        gap: 32px;
      }

      .alt-content h2 {
        font-size: 1.4rem;
      }

      .data-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
      }

      .method-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }

      .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: 24px;
      }

      .footer-grid .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .brand-topbar-inner {
        min-height: 54px;
      }

      .topbar-link {
        display: none;
      }

      .hamburger-btn {
        display: flex;
      }

      .channel-nav {
        top: 54px;
      }

      .channel-item {
        padding: 12px 14px;
        font-size: 0.82rem;
      }

      .channel-item:hover::after,
      .channel-item.active::after {
        left: 14px;
        right: 14px;
      }

      .page-hero {
        padding: 36px 0 48px;
      }

      .page-hero h1 {
        font-size: 1.7rem;
      }

      .page-hero .page-summary {
        font-size: 0.9rem;
      }

      .alt-row {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .alt-row.reverse {
        direction: ltr;
      }

      .alt-media img {
        aspect-ratio: 16 / 10;
      }

      .alt-content h2 {
        font-size: 1.3rem;
      }

      .alternating-section {
        padding: 36px 0;
      }

      .data-snapshot {
        padding: 36px 0;
      }

      .data-snapshot-inner h2 {
        font-size: 1.3rem;
      }

      .stat-card .stat-number {
        font-size: 1.6rem;
      }

      .method-strip {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .method-item-sm {
        padding: 14px 12px;
      }

      .cta-panel {
        padding: 36px 0;
      }

      .cta-panel-inner h2 {
        font-size: 1.4rem;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
      }

      .footer-grid .footer-brand {
        grid-column: 1 / -1;
      }

      .footer-bottom {
        font-size: 0.72rem;
        gap: 6px;
      }
    }

    @media (max-width: 640px) {
      .logo-text {
        font-size: 1.25rem;
      }

      .logo-text .logo-badge {
        width: 26px;
        height: 26px;
        font-size: 0.85rem;
      }

      .channel-item {
        padding: 10px 12px;
        font-size: 0.78rem;
      }

      .page-hero h1 {
        font-size: 1.4rem;
      }

      .alt-content p {
        font-size: 0.88rem;
      }

      .data-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .stat-card {
        padding: 16px 12px;
      }

      .stat-card .stat-number {
        font-size: 1.4rem;
      }

      .stat-card .stat-label {
        font-size: 0.78rem;
      }

      .btn-primary,
      .btn-secondary {
        padding: 10px 18px;
        font-size: 0.82rem;
        min-height: 44px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }
    }

/* roulang page: category1 */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --brand-300: #4E8B75;
            --brand-100: #DCE9E3;
            --brand-50: #F0F5F2;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-300: #E2C78D;
            --gold-100: #F7EFDC;
            --gold-50: #FBF7EE;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --line: #E0E3DC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* 导航品牌行 */
        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
        }

        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
            box-shadow: 0 2px 4px rgba(14, 59, 46, 0.15);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--gold-500);
            color: var(--ink);
            box-shadow: 0 6px 16px rgba(14, 59, 46, 0.22);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: 0 1px 2px rgba(14, 59, 46, 0.15);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background-color: transparent;
            color: var(--brand-700);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.01em;
            border: 1.5px solid var(--brand-700);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.18);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(2px);
        }

        /* 频道行 */
        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }

        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }

        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
        }

        .channel-item:last-child {
            border-right: none;
        }

        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }

        .channel-item.active {
            color: var(--brand-800);
            font-weight: 600;
            background-color: var(--brand-50);
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .hamburger-btn span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--brand-800);
            border-radius: 2px;
        }

        /* 面包屑 */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--slate3);
            padding: 16px 0;
        }

        .breadcrumb-nav a {
            color: var(--brand-700);
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: var(--gold-500);
        }

        .breadcrumb-nav .separator {
            color: var(--slate3);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--slate2);
            font-weight: 600;
        }

        /* 分类页 Hero */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0 56px;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 43, 33, 0.92) 0%, rgba(14, 59, 46, 0.82) 55%, rgba(20, 90, 67, 0.65) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            text-align: left;
            max-width: 780px;
        }

        .category-hero-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--gold-300);
            background: rgba(201, 162, 75, 0.15);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(201, 162, 75, 0.3);
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .category-hero-description {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: 24px;
        }

        .category-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 20px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-number {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--gold-400);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* 主内容区域 */
        .main-content-wrapper {
            padding: 48px 0 72px;
        }

        .filter-sidebar {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            padding: 24px;
            position: sticky;
            top: 130px;
        }

        .filter-sidebar h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--gold-500);
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group:last-child {
            margin-bottom: 0;
        }

        .filter-group-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--slate2);
            margin-bottom: 10px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            font-size: 0.88rem;
            color: var(--slate2);
            cursor: pointer;
            transition: var(--transition-base);
            border-radius: 4px;
        }

        .filter-option:hover {
            color: var(--brand-700);
        }

        .filter-option.active {
            color: var(--brand-700);
            font-weight: 600;
        }

        .filter-option input[type="checkbox"],
        .filter-option input[type="radio"] {
            accent-color: var(--brand-700);
            width: 16px;
            height: 16px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .filter-reset-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 10px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            color: var(--slate2);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition-base);
            margin-top: 12px;
        }

        .filter-reset-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        /* 右侧内容列表 */
        .insight-list-item {
            display: flex;
            gap: 20px;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            padding: 20px;
            margin-bottom: 16px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .insight-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-300);
            transform: translateY(-2px);
        }

        .insight-list-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background-color: var(--brand-100);
        }

        .insight-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .insight-list-content {
            flex: 1;
            min-width: 0;
        }

        .insight-list-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 6px;
        }

        .insight-date-badge {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-700);
            background: var(--brand-50);
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.01em;
        }

        .insight-tag {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--gold-500);
            background: var(--gold-50);
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.01em;
        }

        .insight-list-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .insight-list-content p {
            font-size: 0.92rem;
            color: var(--slate2);
            line-height: 1.75;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .insight-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-700);
            transition: var(--transition-base);
        }

        .insight-read-more:hover {
            color: var(--gold-500);
            gap: 8px;
        }

        .insight-read-more svg {
            width: 14px;
            height: 14px;
        }

        /* 加载更多 */
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 14px;
            border-radius: var(--radius-sm);
            border: 1.5px dashed var(--brand-300);
            color: var(--brand-700);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-base);
            margin-top: 16px;
        }

        .load-more-btn:hover {
            background-color: var(--brand-50);
            border-color: var(--brand-500);
            color: var(--brand-800);
        }

        /* 数据摘要条 */
        .data-summary-bar {
            background: var(--brand-800);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            border-left: 4px solid var(--gold-500);
        }

        .data-summary-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
        }

        .data-summary-item strong {
            color: var(--gold-400);
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 1.2rem;
            font-weight: 700;
        }

        .data-summary-divider {
            width: 1px;
            height: 28px;
            background: rgba(255, 255, 255, 0.2);
        }

        /* CTA 区块 */
        .cta-panel {
            background: var(--brand-800);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin-top: 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-panel);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 162, 75, 0.12);
            pointer-events: none;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-panel-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-panel .btn-primary {
            background-color: var(--gold-500);
            color: var(--ink);
            padding: 12px 32px;
            font-size: 1rem;
        }

        .cta-panel .btn-primary:hover {
            background-color: var(--gold-400);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--brand-800);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--gold-400);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .footer-contact-item span:first-child {
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a:hover {
            color: var(--gold-400);
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.3);
            user-select: none;
        }

        /* focus 可见性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            box-shadow: var(--focus-ring);
            border-color: var(--brand-600);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .main-content-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .filter-sidebar {
                position: static;
                display: flex;
                flex-wrap: wrap;
                gap: 16px;
                padding: 16px 20px;
                align-items: flex-start;
            }
            .filter-sidebar h3 {
                width: 100%;
                margin-bottom: 0;
            }
            .filter-group {
                margin-bottom: 0;
                flex: 1;
                min-width: 140px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-topbar-inner {
                min-height: 56px;
            }
            .logo-text {
                font-size: 1.3rem;
            }
            .topbar-actions .topbar-link {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .channel-nav {
                top: 56px;
            }
            .channel-item {
                padding: 12px 14px;
                font-size: 0.82rem;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero-description {
                font-size: 0.95rem;
            }
            .category-hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.4rem;
            }
            .main-content-wrapper {
                padding: 32px 0 48px;
            }
            .filter-sidebar {
                flex-direction: column;
                gap: 12px;
            }
            .filter-group {
                width: 100%;
                min-width: auto;
            }
            .insight-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .insight-list-thumb {
                width: 100%;
                height: 160px;
            }
            .data-summary-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 16px 20px;
            }
            .data-summary-divider {
                width: 100%;
                height: 1px;
            }
            .cta-panel {
                padding: 32px 24px;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .category-hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                min-height: 48px;
                padding: 12px 16px;
                font-size: 0.9rem;
            }
            .topbar-actions .btn-primary {
                display: none;
            }
            .insight-list-content h3 {
                font-size: 1.05rem;
            }
        }

/* roulang page: category2 */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --brand-300: #6D9F8B;
            --brand-100: #DCE9E3;
            --brand-50: #EEF5F1;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-300: #E0C383;
            --gold-100: #F7EFDC;
            --gold-50: #FBF7EF;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --slate4: #AAAAAA;
            --line: #E0E3DC;
            --line-light: #ECEFE8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 导航品牌行 ===== */
        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }
        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
        }
        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }
        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
        }
        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        /* ===== 频道导航行 ===== */
        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }
        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }
        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }
        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }
        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }
        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .channel-item:last-child {
            border-right: none;
        }
        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }
        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }
        .channel-item.active {
            color: var(--brand-800);
            font-weight: 600;
            background-color: var(--brand-50);
        }
        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        /* ===== 移动端汉堡按钮 ===== */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            width: 36px;
            height: 36px;
            padding: 6px;
            border-radius: 6px;
            border: 1px solid var(--line);
            background: #FFFFFF;
        }
        .hamburger-btn span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--brand-800);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            min-height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-700);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-primary:hover {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
            box-shadow: 0 4px 14px rgba(201, 162, 75, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--brand-700);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            min-height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-700);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(14, 59, 46, 0.28);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-gold {
            background-color: var(--gold-500);
            color: var(--ink);
            border-color: var(--gold-500);
        }
        .btn-gold:hover {
            background-color: var(--gold-400);
            border-color: var(--gold-400);
            color: var(--ink);
            box-shadow: 0 4px 14px rgba(201, 162, 75, 0.4);
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-700);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-read-more svg {
            transition: var(--transition-base);
        }
        .btn-read-more:hover {
            color: var(--gold-500);
        }
        .btn-read-more:hover svg {
            transform: translateX(4px);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--slate3);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--brand-700);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--gold-500);
        }
        .breadcrumb .sep {
            color: var(--slate4);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--slate2);
            font-weight: 500;
        }

        /* ===== 标签/徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background-color: var(--gold-100);
            color: #8A6A2A;
            white-space: nowrap;
        }
        .badge-dark {
            background-color: var(--brand-700);
            color: #FFFFFF;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--brand-300);
            color: var(--brand-700);
        }

        /* ===== 卡片 ===== */
        .service-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-300);
        }
        .service-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--brand-100);
            position: relative;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-slow);
        }
        .service-card:hover .card-img img {
            transform: scale(1.04);
        }
        .service-card .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .service-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--brand-900);
            line-height: 1.45;
        }
        .service-card .card-body p {
            font-size: 0.92rem;
            color: var(--slate2);
            line-height: 1.75;
            flex: 1;
        }
        .service-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 8px;
            padding-top: 14px;
            border-top: 1px solid var(--line-light);
        }

        /* ===== 深色指标卡片 ===== */
        .metric-card {
            background: var(--brand-800);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: var(--transition-base);
        }
        .metric-card:hover {
            border-color: rgba(212, 175, 106, 0.4);
            box-shadow: 0 6px 20px rgba(14, 59, 46, 0.25);
        }
        .metric-card .metric-number {
            font-family: var(--font-mono);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--gold-400);
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: #CCD9D2;
            letter-spacing: 0.02em;
        }
        .metric-card .metric-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: #A8C4B8;
            font-family: var(--font-mono);
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--brand-300);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-900);
            cursor: pointer;
            background-color: var(--brand-50);
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
        }
        .faq-question:hover {
            background-color: var(--brand-100);
        }
        .faq-question:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-size: 1.1rem;
            font-weight: 500;
            flex-shrink: 0;
            transition: var(--transition-base);
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            background-color: var(--gold-500);
            color: var(--ink);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--slate2);
            line-height: 1.8;
        }

        /* ===== 表单 ===== */
        .cta-panel {
            background: var(--brand-800);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-panel);
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 162, 75, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 59, 46, 0.4) 0%, transparent 70%);
            pointer-events: none;
        }
        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #D9E5DE;
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            font-size: 0.95rem;
            transition: var(--transition-base);
            -webkit-appearance: none;
            appearance: none;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--gold-400);
            box-shadow: 0 0 0 3px rgba(212, 175, 106, 0.25);
            background: rgba(255, 255, 255, 0.08);
        }
        .form-input:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: #0A1F18;
            color: #B8C7BE;
            padding-top: 60px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: #B8C7BE;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--gold-400);
            padding-left: 4px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #B8C7BE;
            line-height: 1.75;
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: #B8C7BE;
            margin-bottom: 10px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 12px;
            font-size: 0.78rem;
            color: #8DA79B;
        }
        .footer-bottom a {
            color: #8DA79B;
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--gold-400);
        }
        .footer-bottom .sep {
            color: #4A6558;
            user-select: none;
        }

        /* ===== 区块 ===== */
        .section {
            padding: 56px 0;
        }
        .section-sm {
            padding: 36px 0;
        }
        .section-lg {
            padding: 72px 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--brand-900);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--slate2);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 680px;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .badge {
            margin-bottom: 10px;
        }

        /* ===== 深度文本 ===== */
        .deep-text {
            font-size: 0.98rem;
            color: var(--slate2);
            line-height: 1.9;
        }
        .deep-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            margin: 32px 0 16px;
            line-height: 1.35;
        }
        .deep-text h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--brand-800);
            margin: 20px 0 10px;
        }
        .deep-text p {
            margin-bottom: 1.2em;
        }
        .deep-text p:last-child {
            margin-bottom: 0;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }
        .step-item:hover {
            border-color: var(--brand-300);
            box-shadow: var(--shadow-card-hover);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-700);
            color: var(--gold-400);
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--slate2);
            line-height: 1.7;
        }

        /* ===== 图片块 ===== */
        .img-frame {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
        }
        .img-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-lg {
                padding: 56px 0;
            }
            .cta-panel {
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-topbar-inner {
                min-height: 52px;
                flex-wrap: wrap;
                gap: 0;
            }
            .topbar-actions {
                gap: 8px;
            }
            .topbar-link {
                display: none;
            }
            .topbar-link[href="#cta-panel"] {
                display: inline;
            }
            .channel-nav {
                top: 52px;
            }
            .channel-nav-inner {
                padding: 0;
            }
            .channel-item {
                padding: 12px 14px;
                font-size: 0.82rem;
            }
            .hamburger-btn {
                display: flex;
            }
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .cta-panel {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .metric-card .metric-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 1.25rem;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                min-height: 48px;
                font-size: 0.9rem;
                padding: 10px 20px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .step-item {
                padding: 16px;
                flex-direction: column;
                gap: 10px;
            }
        }

        @media (min-width: 769px) {
            .hamburger-btn {
                display: none;
            }
        }

/* roulang page: category5 */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --brand-300: #5A8578;
            --brand-100: #DCE8E2;
            --brand-50: #EDF3F0;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-100: #F7EFDC;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --line: #E0E3DC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* 导航品牌行 */
        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
        }

        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
            transition: var(--transition-base);
        }

        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        /* 频道行 */
        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }

        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }

        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
        }

        .channel-item:last-child {
            border-right: none;
        }

        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }

        .channel-item.active {
            color: var(--brand-800);
            font-weight: 600;
            background-color: var(--brand-50);
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .hamburger-btn span {
            display: block;
            width: 18px;
            height: 2px;
            background-color: var(--brand-800);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        /* 按钮系统 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 28px;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-700);
            transition: var(--transition-base);
            text-align: center;
        }

        .btn-primary:hover {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 28px;
            background-color: transparent;
            color: var(--brand-700);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-700);
            transition: var(--transition-base);
            text-align: center;
        }

        .btn-secondary:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--slate3);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--brand-700);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--brand-900);
            text-decoration: underline;
        }

        .breadcrumb span.sep {
            color: var(--slate3);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--slate2);
            font-weight: 500;
        }

        /* 时间线样式 */
        .timeline-section {
            padding: 48px 0 72px;
        }

        .timeline-wrapper {
            position: relative;
            padding-left: 0;
        }

        .timeline-line {
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--brand-700), var(--gold-500), var(--brand-100));
            border-radius: 2px;
            transform: translateX(-1.5px);
        }

        .timeline-item {
            position: relative;
            padding-left: 64px;
            margin-bottom: 40px;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }

        .timeline-item:nth-child(1) { animation-delay: 0.05s; }
        .timeline-item:nth-child(2) { animation-delay: 0.12s; }
        .timeline-item:nth-child(3) { animation-delay: 0.19s; }
        .timeline-item:nth-child(4) { animation-delay: 0.26s; }
        .timeline-item:nth-child(5) { animation-delay: 0.33s; }
        .timeline-item:nth-child(6) { animation-delay: 0.40s; }
        .timeline-item:nth-child(7) { animation-delay: 0.47s; }
        .timeline-item:nth-child(8) { animation-delay: 0.54s; }

        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .timeline-dot {
            position: absolute;
            left: 12px;
            top: 6px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background-color: var(--brand-700);
            border: 4px solid var(--gold-400);
            box-shadow: 0 0 0 4px rgba(14, 59, 46, 0.1);
            z-index: 2;
        }

        .timeline-dot.milestone {
            background-color: var(--gold-500);
            border-color: var(--brand-700);
            box-shadow: 0 0 0 4px rgba(201, 162, 75, 0.18);
        }

        .timeline-year {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gold-500);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }

        .timeline-badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background-color: var(--brand-50);
            color: var(--brand-700);
            border: 1px solid var(--brand-100);
            margin-left: 8px;
        }

        .timeline-badge.hot {
            background-color: var(--gold-100);
            color: var(--gold-500);
            border-color: var(--gold-400);
        }

        .timeline-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-100);
            transform: translateY(-2px);
        }

        .timeline-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-card p {
            color: var(--slate2);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .timeline-card .detail-list {
            list-style: none;
            padding: 0;
            margin: 0 0 12px 0;
        }

        .timeline-card .detail-list li {
            position: relative;
            padding-left: 18px;
            color: var(--slate2);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 4px;
        }

        .timeline-card .detail-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--gold-400);
        }

        .timeline-card .timeline-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
        }

        .timeline-card .timeline-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        /* 阶段总结条 */
        .phase-summary {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin: 48px 0 32px;
        }

        .phase-card {
            background: var(--brand-900);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .phase-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-500);
            border-radius: 3px 3px 0 0;
        }

        .phase-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .phase-num {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--gold-400);
            line-height: 1.2;
        }

        .phase-label {
            font-size: 0.85rem;
            color: #DCE8E2;
            margin-top: 4px;
            font-weight: 500;
        }

        /* 深度内容区 */
        .deep-content {
            padding: 48px 0;
            background-color: #FFFFFF;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .deep-content .article-body {
            max-width: 820px;
            margin: 0 auto;
        }

        .deep-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content p {
            color: var(--slate2);
            line-height: 1.9;
            margin-bottom: 1.2em;
            font-size: 1rem;
        }

        /* FAQ区块 */
        .faq-section {
            padding: 56px 0 64px;
        }

        .faq-section .section-heading {
            margin-bottom: 32px;
        }

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--brand-100);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background-color: var(--brand-50);
            cursor: pointer;
            font-weight: 600;
            color: var(--brand-800);
            font-size: 1rem;
            transition: var(--transition-base);
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background-color: var(--brand-100);
        }

        .faq-question:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-size: 1.2rem;
            font-weight: 500;
            transition: var(--transition-base);
            position: relative;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background-color: #FFFFFF;
            border-radius: 1px;
            transition: var(--transition-base);
        }

        .faq-icon::before {
            width: 12px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 12px;
        }

        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-item.open .faq-icon {
            background-color: var(--gold-500);
            color: var(--ink);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--slate2);
            font-size: 0.95rem;
            line-height: 1.8;
            background-color: #FFFFFF;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px 20px;
        }

        /* CTA面板 */
        .cta-panel {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-800) 55%, #0D2A1F 100%);
            border-radius: var(--radius-lg);
            margin: 0 0 64px;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 162, 75, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-panel p {
            color: #DCE8E2;
            font-size: 1rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-panel .btn-primary {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
            min-height: 48px;
            padding: 12px 36px;
            font-size: 1rem;
        }

        .cta-panel .btn-primary:hover {
            background-color: var(--gold-400);
            border-color: var(--gold-400);
            box-shadow: 0 8px 30px rgba(201, 162, 75, 0.35);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--brand-900);
            color: #DCE8E2;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-brand .logo-text .logo-badge {
            background-color: var(--gold-500);
            color: var(--brand-900);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: #9DB8AD;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-heading {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #9DB8AD;
            font-size: 0.85rem;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--gold-400);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 10px;
            color: #9DB8AD;
            font-size: 0.85rem;
        }

        .footer-contact-item span:first-child {
            flex-shrink: 0;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(220, 232, 226, 0.15);
            font-size: 0.78rem;
            color: #7A9A8D;
        }

        .footer-bottom a {
            color: #9DB8AD;
        }

        .footer-bottom a:hover {
            color: var(--gold-400);
        }

        .footer-bottom .sep {
            color: #4A6A5D;
            user-select: none;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .phase-summary {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-topbar-inner {
                min-height: 52px;
            }
            .logo-text {
                font-size: 1.25rem;
            }
            .topbar-actions {
                gap: 8px;
            }
            .topbar-link {
                font-size: 0.78rem;
                padding: 4px 8px;
            }
            .icon-btn {
                width: 32px;
                height: 32px;
            }
            .topbar-actions .btn-primary {
                padding: 6px 14px;
                min-height: 32px;
                font-size: 0.78rem;
            }
            .topbar-actions .topbar-link[style*="display:none"] {
                display: none !important;
            }
            .channel-nav {
                top: 53px;
            }
            .channel-item {
                padding: 12px 14px;
                font-size: 0.82rem;
            }
            .hamburger-btn {
                display: flex;
            }
            .topbar-actions .topbar-link,
            .topbar-actions .btn-primary {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .phase-summary {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .phase-num {
                font-size: 1.6rem;
            }
            .timeline-wrapper {
                padding-left: 0;
            }
            .timeline-line {
                left: 16px;
            }
            .timeline-item {
                padding-left: 48px;
            }
            .timeline-dot {
                left: 6px;
                width: 18px;
                height: 18px;
                border-width: 3px;
            }
            .timeline-card {
                padding: 18px 16px;
            }
            .timeline-card h3 {
                font-size: 1.05rem;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .phase-summary {
                grid-template-columns: 1fr;
            }
            .timeline-card .timeline-img img {
                height: 140px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .sep {
                display: none;
            }
        }

/* 移动端导航状态 */
        @media (max-width: 768px) {
            .channel-nav {
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
                position: static;
            }
            .channel-nav.mobile-open {
                max-height: 400px;
                overflow-y: auto;
                border-bottom: 1px solid var(--line);
            }
            .channel-nav-inner {
                flex-wrap: wrap;
            }
            .channel-item {
                width: 100%;
                border-right: none;
                border-bottom: 1px solid var(--line);
                padding: 12px 16px;
            }
            .channel-item:last-child {
                border-bottom: none;
            }
            .topbar-actions {
                gap: 6px;
            }
            .topbar-actions .topbar-link,
            .topbar-actions .btn-primary {
                display: none;
            }
            .topbar-actions .icon-btn {
                display: inline-flex;
            }
            .hamburger-btn {
                display: flex;
            }
        }

/* roulang page: category4 */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --brand-300: #7FAE9B;
            --brand-100: #DCE8E2;
            --brand-50: #F0F5F2;
            --gold-600: #B8902F;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-100: #F7EFDC;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --line: #E0E3DC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* 导航品牌行 */
        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }
        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
        }
        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }
        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
            transition: var(--transition-base);
        }
        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 28px;
            min-height: 44px;
            border-radius: var(--radius-sm);
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            border: 2px solid var(--brand-700);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
            box-shadow: 0 4px 14px rgba(201, 162, 75, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 28px;
            min-height: 44px;
            border-radius: var(--radius-sm);
            background-color: transparent;
            color: var(--brand-700);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            border: 2px solid var(--brand-700);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(14, 59, 46, 0.3);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--line);
            background: #FFFFFF;
            transition: var(--transition-base);
        }
        .hamburger-btn span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--brand-800);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .hamburger-btn:hover {
            border-color: var(--brand-300);
            background-color: var(--brand-50);
        }

        /* 频道行 */
        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }
        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }
        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }
        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }
        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }
        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
        }
        .channel-item:last-child {
            border-right: none;
        }
        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }
        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }
        .channel-item.active {
            color: var(--brand-800);
            font-weight: 600;
            background-color: var(--brand-50);
        }
        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        /* 面包屑 */
        .breadcrumb-wrap {
            background-color: var(--mist);
            border-bottom: 1px solid var(--line);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--slate3);
        }
        .breadcrumb a {
            color: var(--slate2);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--brand-700);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--slate3);
            user-select: none;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--brand-700);
            font-weight: 600;
        }

        /* 页面Hero */
        .page-hero {
            background: linear-gradient(135deg, var(--brand-800) 0%, var(--brand-600) 55%, var(--brand-500) 100%);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 162, 75, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .page-hero-content h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .page-hero-content .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            font-weight: 500;
        }
        .page-hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .page-hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
            border: 2px solid rgba(255, 255, 255, 0.15);
            width: 100%;
            max-width: 480px;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* 主体 */
        main {
            min-height: 60vh;
        }
        .section-block {
            padding: 56px 0;
        }
        .section-block-alt {
            background-color: #FFFFFF;
        }
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--brand-900);
            line-height: 1.3;
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-heading p {
            font-size: 0.95rem;
            color: var(--slate2);
            max-width: 640px;
            line-height: 1.8;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            border-radius: 3px;
            background-color: var(--gold-500);
            margin-bottom: 16px;
        }

        /* 表格样式 */
        .data-table-wrapper {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .data-table-wrapper:last-child {
            margin-bottom: 0;
        }
        .table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 24px;
            background: var(--brand-50);
            border-bottom: 1px solid var(--brand-100);
        }
        .table-header h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--brand-800);
            letter-spacing: 0.01em;
        }
        .table-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--gold-100);
            color: var(--gold-600);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        table.data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.87rem;
            min-width: 640px;
        }
        table.data-table thead th {
            background-color: var(--brand-800);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 0.03em;
            text-align: left;
            padding: 14px 18px;
            white-space: nowrap;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
        }
        table.data-table thead th:last-child {
            border-right: none;
        }
        table.data-table tbody tr {
            border-bottom: 1px solid var(--line);
            transition: var(--transition-base);
        }
        table.data-table tbody tr:last-child {
            border-bottom: none;
        }
        table.data-table tbody tr:hover {
            background-color: var(--brand-50);
        }
        table.data-table tbody tr:nth-child(even) {
            background-color: #FAFAF8;
        }
        table.data-table tbody tr:nth-child(even):hover {
            background-color: var(--brand-50);
        }
        table.data-table tbody td {
            padding: 13px 18px;
            color: var(--slate2);
            vertical-align: middle;
            border-right: 1px solid #F0F0EC;
        }
        table.data-table tbody td:last-child {
            border-right: none;
        }
        table.data-table tbody td:first-child {
            font-weight: 600;
            color: var(--ink);
        }
        .td-num {
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            font-size: 0.82rem;
            color: var(--brand-700);
            font-weight: 500;
            white-space: nowrap;
        }
        .td-highlight {
            color: var(--brand-700);
            font-weight: 600;
        }
        .td-change-up {
            color: #1E7A3C;
            font-weight: 600;
            font-size: 0.82rem;
        }
        .td-change-down {
            color: #B23B3B;
            font-weight: 600;
            font-size: 0.82rem;
        }
        .td-badge-green {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            background: #E3F0E8;
            color: #1E7A3C;
            font-weight: 600;
            font-size: 0.75rem;
        }
        .td-badge-gold {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            background: var(--gold-100);
            color: var(--gold-600);
            font-weight: 600;
            font-size: 0.75rem;
        }
        .td-badge-gray {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            background: #EDEDEA;
            color: var(--slate2);
            font-weight: 600;
            font-size: 0.75rem;
        }

        /* 表格解读卡 */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin-top: 28px;
        }
        .insight-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition-base);
        }
        .insight-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-300);
            transform: translateY(-2px);
        }
        .insight-card .insight-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--brand-50);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            color: var(--brand-700);
            font-weight: 700;
            font-size: 0.85rem;
        }
        .insight-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-800);
            margin-bottom: 6px;
        }
        .insight-card p {
            font-size: 0.82rem;
            color: var(--slate2);
            line-height: 1.7;
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .step-item {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-300);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gold-500);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .step-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-800);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.82rem;
            color: var(--slate2);
            line-height: 1.7;
        }

        /* FAQ 手风琴 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--brand-300);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 20px;
            background: var(--brand-50);
            border: none;
            cursor: pointer;
            text-align: left;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--brand-800);
            transition: var(--transition-base);
            border-radius: var(--radius-sm);
        }
        .faq-question:hover {
            background: var(--brand-100);
        }
        .faq-question:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--brand-700);
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition-base);
            user-select: none;
        }
        .faq-item.open .faq-icon {
            background: var(--gold-500);
            color: var(--ink);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer p {
            padding: 16px 20px 20px;
            font-size: 0.88rem;
            color: var(--slate2);
            line-height: 1.8;
            background: #FFFFFF;
        }

        /* CTA面板 */
        .cta-panel {
            background: linear-gradient(135deg, var(--brand-800) 0%, var(--brand-600) 60%, var(--brand-700) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-panel);
            margin-top: 8px;
        }
        .cta-panel-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-panel-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-panel-text p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        .trust-badge .badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold-400);
        }
        .cta-form {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        .cta-form .form-label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--brand-800);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .cta-form .form-input {
            width: 100%;
            min-height: 42px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--line);
            background: #FFFFFF;
            font-size: 0.9rem;
            color: var(--ink);
            transition: var(--transition-base);
            margin-bottom: 16px;
            resize: vertical;
        }
        .cta-form .form-input:focus {
            outline: none;
            border-color: var(--brand-500);
            box-shadow: var(--focus-ring);
        }
        .cta-form .form-input::placeholder {
            color: var(--slate3);
        }
        .cta-form textarea.form-input {
            min-height: 80px;
        }
        .cta-form .btn-primary {
            width: 100%;
            min-height: 48px;
            font-size: 1rem;
        }

        /* 页脚 */
        .site-footer {
            background-color: #0A2B21;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo-text {
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer-brand .logo-badge {
            background: var(--gold-500);
            color: var(--brand-800);
        }
        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-heading {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition-base);
            display: inline-block;
            padding: 2px 0;
        }
        .footer-links a:hover {
            color: var(--gold-400);
            transform: translateX(3px);
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .footer-bottom {
            padding: 20px 0 24px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--gold-400);
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            user-select: none;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .page-hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-hero-visual img {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .topbar-link {
                display: none;
            }
            .topbar-link:nth-last-child(-n+2) {
                display: inline-flex;
            }
            .hamburger-btn {
                display: flex;
            }
            .channel-item {
                padding: 12px 14px;
                font-size: 0.82rem;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero-content h1 {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-heading h2 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 28px 20px;
            }
            table.data-table {
                font-size: 0.78rem;
                min-width: 520px;
            }
            table.data-table thead th,
            table.data-table tbody td {
                padding: 10px 12px;
            }
            .table-header {
                padding: 14px 16px;
            }
        }

        @media (max-width: 640px) {
            .brand-topbar-inner {
                min-height: 52px;
            }
            .logo-text {
                font-size: 1.2rem;
            }
            .channel-nav {
                top: 53px;
            }
            .page-hero-content h1 {
                font-size: 1.25rem;
            }
            .hero-sub {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-secondary {
                min-height: 48px;
                font-size: 0.88rem;
                padding: 0 18px;
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category6 */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --brand-300: #7BAF9A;
            --brand-100: #D6E7DF;
            --brand-50: #EDF5F1;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-300: #E2C88A;
            --gold-100: #F7EFDC;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --line: #E0E3DC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* 导航品牌行 */
        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
        }

        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        /* 频道行 */
        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }

        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }

        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
        }

        .channel-item:last-child {
            border-right: none;
        }

        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }

        .channel-item.active {
            color: var(--brand-800);
            font-weight: 600;
            background-color: var(--brand-50);
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .hamburger-btn span {
            display: block;
            height: 2px;
            background-color: var(--brand-800);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            min-height: 44px;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background-color: var(--gold-500);
            color: var(--ink);
            box-shadow: 0 4px 12px rgba(20, 90, 67, 0.25);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            color: var(--brand-700);
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            min-height: 44px;
            border: 1px solid var(--brand-500);
            transition: var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-secondary:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(20, 90, 67, 0.2);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--slate3);
            padding: 18px 0 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--slate3);
            transition: var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-700);
        }

        .breadcrumb .separator {
            color: var(--slate3);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--brand-700);
            font-weight: 500;
        }

        /* 页面主体 */
        .faq-page-main {
            padding-bottom: 72px;
            padding-top: 36px;
        }

        .faq-page-header {
            margin-bottom: 36px;
        }

        .faq-page-header h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--brand-900);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .faq-page-header .subtitle {
            font-size: 1.05rem;
            color: var(--slate2);
            max-width: 760px;
            line-height: 1.8;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 36px;
            align-items: start;
        }

        .faq-sidebar {
            position: sticky;
            top: 130px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            box-shadow: var(--shadow-card);
        }

        .faq-sidebar h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--brand-800);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gold-400);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .faq-sidebar h3 .side-icon {
            color: var(--gold-500);
            font-size: 1rem;
        }

        .faq-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .faq-sidebar ul li a {
            display: block;
            padding: 9px 12px;
            font-size: 0.82rem;
            color: var(--slate2);
            border-radius: 6px;
            transition: var(--transition-base);
            line-height: 1.5;
            border-left: 3px solid transparent;
        }

        .faq-sidebar ul li a:hover {
            background-color: var(--brand-50);
            color: var(--brand-700);
            border-left-color: var(--brand-500);
        }

        .faq-sidebar .sidebar-tip {
            margin-top: 18px;
            padding: 14px;
            background-color: var(--gold-100);
            border-radius: var(--radius-sm);
            font-size: 0.78rem;
            color: var(--brand-800);
            line-height: 1.6;
            border: 1px solid rgba(201, 162, 75, 0.3);
        }

        /* FAQ 手风琴 */
        .faq-group {
            margin-bottom: 24px;
        }

        .faq-group-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-800);
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--gold-400);
            display: inline-block;
            letter-spacing: 0.01em;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 18px;
            cursor: pointer;
            background-color: var(--brand-50);
            border: none;
            width: 100%;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-800);
            transition: var(--transition-base);
            letter-spacing: 0.01em;
            line-height: 1.5;
        }

        .faq-question:hover {
            background-color: var(--brand-100);
        }

        .faq-question:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--brand-700);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
            transition: var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            background-color: var(--gold-500);
            color: var(--ink);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 18px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 18px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--slate2);
            line-height: 1.8;
            margin: 0;
            padding-top: 12px;
            border-top: 1px dashed var(--line);
        }

        /* 知识库阅读区 */
        .knowledge-section {
            margin-top: 36px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .knowledge-section h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .knowledge-section p {
            font-size: 0.92rem;
            color: var(--slate2);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .knowledge-section .highlight-box {
            background-color: var(--gold-100);
            border-left: 4px solid var(--gold-500);
            padding: 14px 16px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 0.9rem;
            color: var(--brand-800);
            margin: 14px 0;
        }

        /* CTA 区 */
        .cta-panel {
            background: var(--brand-800);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            margin-top: 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-panel);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle at top right, rgba(201, 162, 75, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel-text h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .cta-panel-text p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            line-height: 1.7;
        }

        .cta-panel .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--gold-500);
            color: var(--ink);
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 14px 28px;
            min-height: 48px;
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
            z-index: 1;
        }

        .cta-panel .btn-gold:hover {
            background-color: var(--gold-400);
            box-shadow: 0 6px 18px rgba(201, 162, 75, 0.4);
            transform: translateY(-2px);
        }

        .cta-panel .btn-gold:active {
            transform: translateY(1px);
        }

        .cta-panel .btn-gold:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(212, 175, 106, 0.5);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--brand-800);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            border-top: 3px solid var(--gold-500);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
        }

        .footer-brand .logo-text {
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-brand .logo-text .logo-badge {
            background: var(--gold-500);
            color: var(--brand-800);
        }

        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-heading {
            font-size: 0.88rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links li a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
        }

        .footer-links li a:hover {
            color: var(--gold-400);
        }

        .footer-contact-item {
            display: flex;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            align-items: flex-start;
        }

        .footer-contact-item span:first-child {
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 16px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--gold-400);
        }

        .footer-bottom .sep {
            opacity: 0.5;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .faq-layout {
                grid-template-columns: 230px 1fr;
                gap: 24px;
            }

            .faq-page-header h1 {
                font-size: 1.9rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hamburger-btn {
                display: flex;
            }

            .topbar-link {
                display: none;
            }

            .topbar-actions .btn-primary {
                display: none;
            }

            .channel-nav-inner {
                gap: 0;
            }

            .channel-item {
                padding: 12px 14px;
                font-size: 0.82rem;
            }

            .faq-page-main {
                padding-top: 24px;
                padding-bottom: 48px;
            }

            .faq-page-header h1 {
                font-size: 1.5rem;
            }

            .faq-page-header .subtitle {
                font-size: 0.9rem;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .faq-sidebar {
                position: static;
                order: 2;
            }

            .faq-content {
                order: 1;
            }

            .knowledge-section {
                padding: 20px;
            }

            .knowledge-section h2 {
                font-size: 1.15rem;
            }

            .cta-panel {
                padding: 28px 20px;
                flex-direction: column;
                text-align: center;
            }

            .cta-panel-text h2 {
                font-size: 1.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }

            .footer-bottom .sep {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .faq-page-header h1 {
                font-size: 1.3rem;
            }

            .brand-topbar-inner {
                min-height: 52px;
            }

            .logo-text {
                font-size: 1.25rem;
            }

            .faq-question {
                padding: 12px 14px;
                font-size: 0.88rem;
                gap: 8px;
            }

            .faq-answer p {
                font-size: 0.85rem;
            }
        }

/* roulang page: category7 */
:root {
            --brand-900: #0E3B2E;
            --brand-800: #0A2B21;
            --brand-700: #145A43;
            --brand-600: #1E563F;
            --brand-500: #2E6B55;
            --brand-300: #6B9A87;
            --brand-50: #EDF5F0;
            --gold-500: #C9A24B;
            --gold-400: #D4AF6A;
            --gold-300: #E0C78A;
            --gold-100: #F7EFDC;
            --cream: #F5F3EE;
            --mist: #F2F5F1;
            --ink: #1A1A1A;
            --slate2: #555555;
            --slate3: #888888;
            --line: #E0E3DC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(14, 59, 46, 0.12);
            --shadow-panel: 0 12px 40px rgba(14, 59, 46, 0.18);
            --focus-ring: 0 0 0 3px rgba(20, 90, 67, 0.35);
            --transition-base: all 0.25s ease;
            --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .brand-topbar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .brand-topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-800);
            color: var(--gold-400);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-link {
            font-size: 0.85rem;
            color: var(--slate2);
            padding: 6px 10px;
            border-radius: 6px;
        }

        .topbar-link:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            color: var(--slate2);
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .icon-btn:hover {
            border-color: var(--brand-300);
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            min-height: 44px;
            border-radius: var(--radius-sm);
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition-base);
            box-shadow: 0 2px 8px rgba(14, 59, 46, 0.18);
            border: 1px solid var(--brand-700);
        }

        .btn-primary:hover {
            background-color: var(--gold-500);
            border-color: var(--gold-500);
            color: var(--ink);
            box-shadow: 0 6px 16px rgba(14, 59, 46, 0.22);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 6px rgba(14, 59, 46, 0.18);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            min-height: 44px;
            border-radius: var(--radius-sm);
            background-color: transparent;
            color: var(--brand-700);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--brand-700);
            transition: var(--transition-base);
        }

        .btn-secondary:hover {
            background-color: var(--brand-700);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(14, 59, 46, 0.18);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            min-height: 48px;
            border-radius: var(--radius-sm);
            background-color: var(--gold-500);
            color: var(--ink);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-base);
            box-shadow: 0 4px 12px rgba(201, 162, 75, 0.28);
            border: 1px solid var(--gold-500);
        }

        .btn-gold:hover {
            background-color: var(--gold-400);
            border-color: var(--gold-400);
            box-shadow: 0 8px 20px rgba(201, 162, 75, 0.36);
            transform: translateY(-1px);
        }

        .btn-gold:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(201, 162, 75, 0.22);
        }

        .btn-gold:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .channel-nav {
            background-color: #FFFFFF;
            border-bottom: 2px solid var(--brand-800);
            position: sticky;
            top: 61px;
            z-index: 59;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-300) transparent;
        }

        .channel-nav-inner::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav-inner::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-nav-inner::-webkit-scrollbar-thumb {
            background-color: var(--brand-300);
            border-radius: 3px;
        }

        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--slate2);
            white-space: nowrap;
            border-right: 1px solid var(--line);
            transition: var(--transition-base);
        }

        .channel-item:last-child {
            border-right: none;
        }

        .channel-item:hover {
            color: var(--brand-700);
            background-color: var(--brand-50);
        }

        .channel-item:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--brand-500);
            border-radius: 2px 2px 0 0;
        }

        .channel-item.active {
            color: var(--brand-800);
            font-weight: 700;
            background-color: var(--brand-50);
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px 2px 0 0;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            background: #FFFFFF;
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--brand-900);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .hero-section {
            position: relative;
            min-height: 520px;
            background-image:
                linear-gradient(135deg, rgba(10, 43, 33, 0.92) 0%, rgba(14, 59, 46, 0.78) 45%, rgba(20, 90, 67, 0.55) 100%),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 64px 0 80px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--gold-400);
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-badge-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            background-color: rgba(255, 255, 255, 0.1);
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
        }

        .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--gold-400);
            display: inline-block;
        }

        .section {
            padding: 72px 0;
        }

        .section-alt {
            background-color: #FFFFFF;
        }

        .section-mist {
            background-color: var(--mist);
        }

        .section-heading {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-900);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .section-subheading {
            font-size: 1rem;
            color: var(--slate2);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 36px;
        }

        .contact-summary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .summary-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .summary-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--brand-300);
        }

        .summary-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background-color: var(--brand-50);
            color: var(--brand-700);
            margin-bottom: 14px;
        }

        .summary-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 8px;
        }

        .summary-card p {
            font-size: 0.9rem;
            color: var(--slate2);
            line-height: 1.7;
        }

        .form-panel {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-panel);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
        }

        .form-info-side {
            background-color: var(--brand-900);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .form-info-side h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--gold-400);
            margin-bottom: 8px;
        }

        .form-info-side p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .info-item:last-child {
            border-bottom: none;
        }

        .info-item-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(201, 162, 75, 0.2);
            color: var(--gold-400);
            flex-shrink: 0;
        }

        .info-item-content {
            flex: 1;
        }

        .info-item-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 2px;
        }

        .info-item-value {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        .form-main-side {
            padding: 48px 40px;
            background-color: #FFFFFF;
        }

        .form-main-side h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 8px;
        }

        .form-main-side p {
            font-size: 0.9rem;
            color: var(--slate2);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-900);
            margin-bottom: 6px;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            background-color: var(--cream);
            font-size: 0.95rem;
            transition: var(--transition-base);
            color: var(--ink);
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--brand-500);
            box-shadow: var(--focus-ring);
            background-color: #FFFFFF;
        }

        .form-input::placeholder,
        .form-textarea::placeholder {
            color: var(--slate3);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-submit-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 8px;
        }

        .form-note {
            font-size: 0.78rem;
            color: var(--slate3);
            line-height: 1.6;
        }

        .trust-badge-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .trust-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .trust-badge:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-300);
            transform: translateY(-2px);
        }

        .trust-badge-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--gold-100);
            color: var(--brand-700);
            flex-shrink: 0;
        }

        .trust-badge-text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-900);
            line-height: 1.4;
        }

        .trust-badge-sub {
            font-size: 0.75rem;
            color: var(--slate3);
            font-weight: 400;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 36px;
        }

        .process-step {
            position: relative;
            padding: 28px 22px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--brand-700);
            color: var(--gold-400);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            font-family: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--slate2);
            line-height: 1.7;
        }

        .content-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            margin-bottom: 28px;
        }

        .content-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-900);
            margin-bottom: 16px;
        }

        .content-card p {
            font-size: 0.95rem;
            color: var(--slate2);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .content-card p:last-child {
            margin-bottom: 0;
        }

        .accent-line {
            width: 48px;
            height: 3px;
            background-color: var(--gold-500);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--brand-300);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background-color: var(--brand-50);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--brand-900);
            text-align: left;
            transition: var(--transition-base);
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        .faq-question:hover {
            background-color: var(--brand-50);
            color: var(--brand-700);
        }

        .faq-question:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--brand-700);
            color: #FFFFFF;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background-color: var(--gold-500);
            color: var(--ink);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding-left: 22px;
            padding-right: 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 14px 0 20px;
            font-size: 0.9rem;
            color: var(--slate2);
            line-height: 1.8;
            border-top: 1px dashed var(--line);
        }

        .cta-panel {
            background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 55%, var(--brand-500) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            box-shadow: var(--shadow-panel);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background-color: rgba(201, 162, 75, 0.08);
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background-color: rgba(201, 162, 75, 0.06);
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background-color: var(--brand-800);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
            padding-bottom: 36px;
        }

        .footer-brand .logo-text {
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-brand .logo-text .logo-badge {
            background-color: rgba(201, 162, 75, 0.25);
            color: var(--gold-400);
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--gold-400);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .footer-contact-item span:first-child {
            margin-top: 2px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 14px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--gold-400);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(10, 43, 33, 0.6);
            z-index: 57;
            backdrop-filter: blur(4px);
        }

        .mobile-menu-overlay.active {
            display: block;
        }

        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .contact-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .form-panel {
                grid-template-columns: 1fr;
            }

            .form-info-side {
                padding: 36px 28px;
            }

            .form-main-side {
                padding: 36px 28px;
            }

            .trust-badge-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-section {
                min-height: 440px;
                padding: 40px 0 56px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .section {
                padding: 52px 0;
            }

            .contact-summary-grid {
                grid-template-columns: 1fr;
            }

            .trust-badge-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .form-panel {
                grid-template-columns: 1fr;
            }

            .form-submit-row {
                flex-direction: column;
                align-items: stretch;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .channel-nav {
                top: 60px;
            }

            .hamburger-btn {
                display: flex;
            }

            .topbar-actions .topbar-link,
            .topbar-actions .btn-primary {
                display: none;
            }

            .topbar-actions .icon-btn {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }

            .trust-badge-grid {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                padding: 40px 24px;
            }

            .cta-panel h2 {
                font-size: 1.4rem;
            }

            .content-card {
                padding: 24px 18px;
            }

            .form-info-side {
                padding: 28px 20px;
            }

            .form-main-side {
                padding: 28px 20px;
            }
        }