/* roulang page: index */
:root {
            --primary: #0F6E52;
            --primary-dark: #0A3D2F;
            --accent: #F4A62A;
            --surface-soft: #E8F2EE;
            --ink: #1A2622;
            --text-muted: #5D6F68;
            --border-line: #DDE5E1;
            --page-bg: #FDFDF9;
            --danger: #C85A37;
            --radius-lg: 12px;
            --radius-md: 6px;
            --radius-sm: 4px;
            --shadow-card: 0 2px 8px rgba(26, 38, 34, 0.06);
            --shadow-hover: 0 6px 20px rgba(26, 38, 34, 0.10);
            --spacing-section: 88px;
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            --font-num: "DIN Alternate", "Roboto Condensed", "Barlow Condensed", var(--font-main);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--page-bg);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-line);
            box-shadow: 0 1px 4px rgba(26, 38, 34, 0.04);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 14px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            min-width: 40px;
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 21px;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1;
            box-shadow: 0 3px 10px rgba(15, 110, 82, 0.22);
        }
        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .brand-name span {
            color: var(--primary);
        }
        .brand-tagline {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.8px;
            margin-top: 1px;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .brand-actions .contact-tel {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
        }
        .brand-actions .contact-tel i {
            color: var(--primary);
            font-size: 18px;
        }
        .btn-mobile-msg {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--primary);
            font-size: 17px;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            line-height: 1.2;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateX(2px);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .nav-link:focus-visible,
        .faq-toggle:focus-visible {
            outline: 1.5px solid var(--accent);
            outline-offset: 2px;
        }
        .channel-nav-wrap {
            border-top: 1px solid #f0f3f1;
            background: #fafbfa;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            padding: 4px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: var(--transition-base);
            line-height: 1.4;
            min-height: 42px;
            border: 1px solid transparent;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--surface-soft);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(15, 110, 82, 0.06);
            border-color: rgba(15, 110, 82, 0.15);
            box-shadow: inset 0 -2px 0 var(--primary);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
            padding: 76px 0 60px;
            isolation: isolate;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(253, 253, 249, 0.97) 35%, rgba(253, 253, 249, 0.82) 60%, rgba(253, 253, 249, 0.55) 100%);
            z-index: -1;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.45fr 1fr;
            gap: 52px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface-soft);
            border: 1px solid rgba(15, 110, 82, 0.16);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 18px;
        }
        .hero-section h1 {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--ink);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }
        .hero-section h1 .text-primary {
            color: var(--primary);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 520px;
            margin-bottom: 32px;
        }
        .hero-cta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            line-height: 1.2;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-secondary:hover {
            background: var(--surface-soft);
            color: var(--primary-dark);
        }
        .btn-secondary .fa-arrow-right {
            transition: transform 0.3s ease;
        }
        .btn-secondary:hover .fa-arrow-right {
            transform: translateX(4px);
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(93, 111, 104, 0.18);
            padding-top: 18px;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .hero-trust i {
            color: var(--primary);
        }
        .hero-cards {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hero-card {
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(4px);
            transition: var(--transition-base);
        }
        .hero-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .hero-card-icon {
            width: 46px;
            height: 46px;
            min-width: 46px;
            min-height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface-soft);
            color: var(--primary);
            border-radius: 10px;
            font-size: 20px;
        }
        .hero-card-num {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 900;
            color: var(--ink);
            line-height: 1.1;
        }
        .hero-card-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }
        @media (max-width: 900px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-section h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                padding: 46px 0 40px;
            }
            .hero-section h1 {
                font-size: 29px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .hero-cta .btn-primary,
            .hero-cta .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Stats Panel ===== */
        .stats-section {
            background: var(--primary-dark);
            padding: 48px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stat-item {
            padding: 18px 10px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-num {
            font-family: var(--font-num);
            font-size: 46px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }
        .stat-num .suffix {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
        }
        .stat-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
        }
        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-num {
                font-size: 34px;
            }
            .stat-num .suffix {
                font-size: 18px;
            }
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: var(--spacing-section) 0;
        }
        .section-block.soft-bg {
            background: #f5f7f5;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 36px;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-header-inner {
            display: flex;
            align-items: baseline;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1.2px;
            text-transform: uppercase;
            background: var(--surface-soft);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
        }
        .section-header h2 {
            font-size: 31px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--ink);
            letter-spacing: -0.3px;
        }
        .section-header h2 .accent {
            color: var(--primary);
        }
        .section-header-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 420px;
            line-height: 1.7;
        }
        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .section-more i {
            transition: transform 0.3s;
        }
        .section-more:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 640px) {
            .section-block {
                --spacing-section: 56px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .section-header {
                align-items: flex-start;
                flex-direction: column;
            }
        }

        /* ===== Services ===== */
        .service-grid {
            display: grid;
            grid-template-columns: 6fr 3fr 3fr;
            gap: 22px;
        }
        .service-card {
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: #fcfdfc;
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card-main {
            grid-column: 1;
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #fff;
            border: none;
            padding: 34px;
            min-height: 320px;
            justify-content: flex-end;
        }
        .service-card-main::before {
            background: var(--accent);
            opacity: 1;
        }
        .service-card-main:hover {
            background: linear-gradient(160deg, var(--primary-dark) 0%, #0d5d45 100%);
            box-shadow: 0 12px 32px rgba(10, 61, 47, 0.25);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            min-width: 50px;
            min-height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface-soft);
            color: var(--primary);
            border-radius: 10px;
            font-size: 22px;
            margin-bottom: 18px;
            border: 1px solid rgba(15, 110, 82, 0.08);
        }
        .service-card-main .service-icon {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            border-color: transparent;
            margin-bottom: 22px;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            color: var(--ink);
        }
        .service-card-main h3 {
            color: #fff;
            font-size: 25px;
            margin-bottom: 12px;
        }
        .service-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .service-card-main .service-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
        }
        .service-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: auto;
        }
        .service-badge {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--surface-soft);
            padding: 4px 12px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .service-card-main .service-badge {
            color: #fff;
            background: rgba(255, 255, 255, 0.15);
        }
        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-link i {
            transition: transform 0.3s;
        }
        .service-link:hover i {
            transform: translateX(4px);
        }
        .service-card-main .service-link {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-card-main {
                grid-column: 1;
                min-height: 240px;
            }
        }
        @media (max-width: 640px) {
            .service-card {
                padding: 24px 20px;
            }
            .service-card-main {
                padding: 26px 20px;
            }
            .service-card h3 {
                font-size: 18px;
            }
        }

        /* ===== Compare ===== */
        .compare-section {
            background: #f0f3f1;
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .compare-col {
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: var(--transition-base);
        }
        .compare-before {
            background: #f7f8f7;
            border: 1px solid #e3e8e5;
        }
        .compare-after {
            background: linear-gradient(150deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #fff;
            border: none;
            box-shadow: 0 8px 28px rgba(10, 61, 47, 0.2);
        }
        .compare-title {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-title .icon-badge {
            width: 32px;
            height: 32px;
            min-width: 32px;
            min-height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 14px;
        }
        .compare-before .compare-title {
            color: var(--ink);
        }
        .compare-before .icon-badge {
            background: rgba(200, 90, 55, 0.12);
            color: var(--danger);
        }
        .compare-after .icon-badge {
            background: rgba(244, 166, 42, 0.22);
            color: var(--accent);
        }
        .compare-item {
            margin-bottom: 22px;
        }
        .compare-item:last-child {
            margin-bottom: 0;
        }
        .compare-item-label {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .compare-after .compare-item-label {
            color: rgba(255, 255, 255, 0.9);
        }
        .compare-item-value {
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 18px;
        }
        .compare-before .compare-item-value {
            color: var(--danger);
        }
        .compare-after .compare-item-value {
            color: var(--accent);
        }
        .compare-bar {
            height: 8px;
            background: rgba(26, 38, 34, 0.08);
            border-radius: 99px;
            overflow: hidden;
        }
        .compare-after .compare-bar {
            background: rgba(255, 255, 255, 0.15);
        }
        .compare-bar-fill {
            height: 100%;
            border-radius: 99px;
            background: var(--danger);
            width: 0;
            transition: width 1.1s ease-out;
        }
        .compare-after .compare-bar-fill {
            background: var(--accent);
        }
        .compare-note {
            font-size: 13px;
            margin-top: 18px;
            line-height: 1.6;
            border-top: 1px solid rgba(26, 38, 34, 0.08);
            padding-top: 14px;
        }
        .compare-before .compare-note {
            color: var(--text-muted);
        }
        .compare-after .compare-note {
            color: rgba(255, 255, 255, 0.7);
            border-top-color: rgba(255, 255, 255, 0.15);
        }
        @media (max-width: 900px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .compare-col {
                padding: 22px 18px;
            }
        }

        /* ===== News / CMS ===== */
        .news-card {
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 18px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .news-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .news-card:hover {
            background: #fcfdfc;
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 110, 82, 0.3);
        }
        .news-card:hover::before {
            opacity: 1;
        }
        .news-thumb {
            width: 86px;
            height: 86px;
            min-width: 86px;
            min-height: 86px;
            background: var(--surface-soft);
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            color: var(--primary);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 5px;
            flex-wrap: wrap;
        }
        .news-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--surface-soft);
            display: inline-flex;
            align-items: center;
            gap: 3px;
            padding: 2px 10px;
            border-radius: 999px;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--ink);
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 0;
        }
        .news-link i {
            transition: transform 0.3s;
        }
        .news-link:hover i {
            transform: translateX(3px);
        }
        .news-empty {
            text-align: center;
            padding: 64px 24px;
            border: 2px dashed var(--border-line);
            border-radius: var(--radius-lg);
            background: #fafbfa;
        }
        .news-empty-icon {
            font-size: 46px;
            color: var(--border-line);
            margin-bottom: 16px;
        }
        .news-empty-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-empty-sub {
            font-size: 14px;
            color: var(--text-muted);
        }
        @media (max-width: 640px) {
            .news-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px;
                gap: 14px;
            }
            .news-thumb {
                width: 100%;
                height: 130px;
                min-width: 100%;
                min-height: 130px;
            }
            .news-title {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }
            .news-link {
                align-self: flex-start;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 56px;
        }
        .faq-side {
            padding-right: 20px;
        }
        .faq-side h2 {
            font-size: 31px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .faq-side p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .faq-side .btn-secondary {
            border-color: rgba(15, 110, 82, 0.25);
        }
        .faq-list {
            border-top: 1px solid var(--border-line);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-line);
            padding: 20px 0;
            transition: var(--transition-base);
        }
        .faq-item[open] {
            padding-bottom: 18px;
        }
        .faq-toggle {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            padding: 0;
            line-height: 1.5;
            text-align: left;
            min-height: 44px;
        }
        .faq-toggle:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            min-width: 24px;
            min-height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-line);
            border-radius: 6px;
            font-size: 15px;
            color: var(--primary);
            background: #fff;
            transition: all 0.3s;
        }
        .faq-item[open] .faq-icon {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-item[open] .faq-icon .fa-plus {
            transform: rotate(45deg);
        }
        .faq-icon .fa-plus {
            transition: transform 0.3s;
        }
        .faq-answer {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            padding-top: 12px;
            padding-right: 20px;
        }
        @media (max-width: 900px) {
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .faq-side {
                padding-right: 0;
            }
        }

        /* ===== CTA Form ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(15, 110, 82, 0.35) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1.25fr;
            gap: 52px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-text h2 {
            color: #fff;
            font-size: 29px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 14px;
        }
        .cta-text h2 span {
            color: var(--accent);
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
        }
        .cta-note i {
            color: var(--accent);
        }
        .cta-form-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 32px;
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
        }
        .cta-form-wrap h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--ink);
        }
        .cta-form .form-group {
            margin-bottom: 16px;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 5px;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            font-size: 14px;
            background: #fcfdfc;
            transition: border-color 0.3s, box-shadow 0.3s;
            min-height: 44px;
        }
        .cta-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(244, 166, 42, 0.18);
            background: #fff;
            outline: none;
        }
        .cta-form .form-error {
            color: var(--danger);
            font-size: 13px;
            margin-top: 4px;
            display: none;
        }
        .cta-submit {
            width: 100%;
            background: var(--accent);
            color: var(--ink);
            border: none;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            min-height: 46px;
            margin-top: 6px;
        }
        .cta-submit:hover {
            background: #e0961a;
            box-shadow: 0 4px 16px rgba(244, 166, 42, 0.3);
        }
        .cta-submit i {
            margin-right: 6px;
        }
        .form-privacy {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
            line-height: 1.5;
        }
        .form-privacy i {
            color: var(--primary);
            margin-right: 3px;
        }
        @media (max-width: 900px) {
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form-wrap {
                padding: 24px 20px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #071a14;
            color: rgba(255, 255, 255, 0.72);
            padding-top: 60px;
            padding-bottom: 30px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-logo-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo-icon {
            width: 38px;
            height: 38px;
            min-width: 38px;
            min-height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            border-radius: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.4px;
        }
        .footer-brand-name span {
            color: var(--accent);
        }
        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 260px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.4px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            display: inline-block;
            padding: 2px 0;
            transition: color 0.2s;
            line-height: 1.5;
            min-height: 22px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 10px;
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact-item i {
            color: var(--accent);
            margin-top: 4px;
            min-width: 16px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-icp {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Mobile ===== */
        @media (max-width: 640px) {
            .brand-actions .contact-tel {
                display: none;
            }
            .brand-actions .btn-primary {
                padding: 8px 14px;
                font-size: 14px;
            }
            .btn-mobile-msg {
                display: flex;
            }
            .brand-name {
                font-size: 18px;
            }
            .brand-mark {
                width: 36px;
                height: 36px;
                min-width: 36px;
                min-height: 36px;
                font-size: 18px;
            }
            .channel-nav {
                gap: 4px;
                padding: 6px 0;
                -webkit-overflow-scrolling: touch;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
                min-height: 36px;
            }
            .hero-trust {
                gap: 10px;
                font-size: 12px;
            }
        }
        @media (max-width: 480px) {
            .brand-actions .btn-primary {
                display: none;
            }
            .btn-mobile-msg {
                display: flex;
            }
        }

        .reveal-animate {
            opacity: 0;
            transform: translateY(22px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal-animate.reveal-visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
:root {
            --primary: #0F6E52;
            --primary-dark: #0A3D2F;
            --accent: #F4A62A;
            --accent-light: #E8F2EE;
            --ink: #1A2622;
            --muted: #5D6F68;
            --line: #DDE5E1;
            --bg: #FDFDF9;
            --alert: #C85A37;
            --radius-lg: 12px;
            --radius-md: 6px;
            --shadow-sm: 0 2px 8px rgba(26,38,34,0.06);
            --shadow-md: 0 6px 20px rgba(26,38,34,0.10);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        input, select, textarea, button { font-family: var(--font-main); font-size: 15px; }
        :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            min-height: 44px;
            text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateX(2px); }
        .btn-accent { background: var(--accent); color: var(--ink); border-color: var(--accent); }
        .btn-accent:hover { background: #e89a1a; color: var(--ink); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(244,166,42,0.3); }
        .btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-outline:hover { background: var(--accent-light); color: var(--primary-dark); border-color: var(--primary); }
        .btn-block { width: 100%; }
        .btn-sm { padding: 8px 20px; font-size: 14px; min-height: 38px; }

        /* ===== Header ===== */
        .site-header { background: #fff; border-bottom: 1px solid var(--line); position: relative; z-index: 10; }
        .header-top { padding: 16px 0; }
        .brand-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
        .brand-logo { display: inline-flex; align-items: center; gap: 12px; }
        .brand-logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 44px; height: 44px; border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff; font-weight: 800; font-size: 18px; letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(15,110,82,0.25);
        }
        .brand-name { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
        .brand-name span { color: var(--ink); font-weight: 600; }
        .header-actions { display: flex; align-items: center; gap: 20px; }
        .header-phone { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 600; font-size: 15px; }
        .header-phone i { color: var(--primary); font-size: 18px; }
        .header-phone:hover { color: var(--primary); }
        .channel-nav { background: #F7F9F7; border-top: 1px solid var(--line); }
        .channel-nav-inner { display: flex; align-items: center; gap: 4px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
        .channel-nav-inner::-webkit-scrollbar { display: none; }
        .nav-link {
            display: inline-flex; align-items: center;
            padding: 14px 20px; font-size: 15px; font-weight: 500;
            color: var(--muted); white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
        }
        .nav-link:hover { color: var(--primary); background: rgba(15,110,82,0.04); }
        .nav-link.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); }
        .nav-link.active::after {
            content: ''; position: absolute; bottom: -3px; left: 50%; transform: translateX(-50%);
            width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; margin-bottom: 20px; }
        .breadcrumb a { color: rgba(255,255,255,0.7); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb-sep { color: rgba(255,255,255,0.4); }
        .breadcrumb-current { color: rgba(255,255,255,0.9); max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

        /* ===== Article Header ===== */
        .article-header {
            background: linear-gradient(135deg, rgba(10,61,47,0.94), rgba(15,110,82,0.88)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 64px 0 72px;
            color: #fff;
        }
        .article-title-wrap { max-width: 860px; }
        .article-title { font-size: 36px; font-weight: 800; line-height: 1.3; margin: 16px 0 0; color: #fff; letter-spacing: 0.5px; }
        .article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; font-size: 14px; color: rgba(255,255,255,0.85); }
        .meta-category {
            display: inline-flex; align-items: center;
            padding: 4px 14px; border-radius: 4px;
            background: var(--accent); color: var(--ink);
            font-weight: 600; font-size: 13px;
        }
        .meta-date i, .meta-read i { margin-right: 4px; opacity: 0.8; }

        /* ===== Article Content ===== */
        .article-wrap { padding: 56px 0 64px; background: var(--bg); }
        .article-layout { max-width: 860px; margin: 0 auto; }
        .article-main { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 48px 56px; border: 1px solid var(--line); }
        .article-body { font-size: 17px; line-height: 1.9; color: var(--ink); max-width: 720px; margin: 0 auto; }
        .article-body p { margin-bottom: 26px; }
        .article-body h2 { font-size: 24px; font-weight: 700; color: var(--primary-dark); margin: 44px 0 18px; padding-bottom: 8px; border-bottom: 2px solid var(--accent-light); }
        .article-body h3 { font-size: 20px; font-weight: 600; color: var(--primary-dark); margin: 32px 0 14px; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--accent-light);
            padding: 18px 24px;
            margin: 32px 0;
            border-radius: 0 8px 8px 0;
            color: var(--primary-dark);
            font-size: 16px;
            line-height: 1.8;
        }
        .article-body ul, .article-body ol { padding-left: 28px; margin: 24px 0; }
        .article-body li { margin-bottom: 8px; }
        .article-body img { border-radius: var(--radius-lg); margin: 32px auto; box-shadow: var(--shadow-sm); }
        .article-body figure { margin: 32px 0; }
        .article-body figcaption { text-align: center; font-size: 13px; color: var(--muted); margin-top: 12px; }
        .article-body a { text-decoration: underline; text-underline-offset: 4px; }
        .article-body strong { font-weight: 700; color: var(--primary-dark); }

        /* ===== Tags ===== */
        .article-tags { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 10px; }
        .post-tag {
            display: inline-flex; align-items: center;
            padding: 5px 16px; border-radius: 4px;
            background: var(--accent-light); color: var(--primary-dark);
            font-size: 13px; font-weight: 500;
            transition: all 0.2s ease;
        }
        .post-tag:hover { background: var(--primary); color: #fff; }

        /* ===== Article Nav ===== */
        .article-back { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }

        /* ===== Empty ===== */
        .article-empty { text-align: center; padding: 56px 20px; }
        .article-empty h2 { font-size: 26px; color: var(--primary-dark); margin-bottom: 12px; }
        .article-empty p { color: var(--muted); margin-bottom: 32px; }

        /* ===== Related ===== */
        .related-section { background: #F7F9F7; padding: 80px 0; border-top: 1px solid var(--line); }
        .section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
        .section-head h2 { font-size: 28px; font-weight: 700; color: var(--primary-dark); position: relative; padding-left: 18px; }
        .section-head h2::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 5px; border-radius: 3px; background: var(--accent); }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .related-card {
            background: #fff; border-radius: var(--radius-lg);
            border: 1px solid var(--line); overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex; flex-direction: column;
        }
        .related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .related-card-img { width: 100%; height: 180px; object-fit: cover; border-bottom: 1px solid var(--line); }
        .related-card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .related-card-body h3 { font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.5; margin-bottom: 12px; }
        .related-card-body h3 a { color: inherit; }
        .related-card-body h3 a:hover { color: var(--primary); }
        .related-meta { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
        .related-link { margin-top: auto; font-weight: 600; font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
        .related-link:hover { color: var(--primary-dark); }
        .related-link i { transition: transform 0.2s ease; }
        .related-link:hover i { transform: translateX(4px); }

        /* ===== CTA ===== */
        .cta-panel { background: var(--primary-dark); padding: 72px 0; color: #fff; position: relative; overflow: hidden; }
        .cta-panel::before {
            content: ''; position: absolute; top: -80px; right: -80px;
            width: 320px; height: 320px; border-radius: 50%;
            background: rgba(244,166,42,0.1);
        }
        .cta-panel::after {
            content: ''; position: absolute; bottom: -120px; left: 20%;
            width: 260px; height: 260px; border-radius: 50%;
            background: rgba(15,110,82,0.35);
        }
        .cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
        .cta-left { flex: 1 1 360px; }
        .cta-left h2 { font-size: 30px; font-weight: 700; margin-bottom: 14px; }
        .cta-left p { color: rgba(255,255,255,0.8); font-size: 16px; line-height: 1.7; }
        .cta-right { flex: 1 1 420px; }
        .cta-form { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-lg); padding: 28px; backdrop-filter: blur(4px); }
        .form-input, .form-select {
            width: 100%; padding: 13px 16px;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.95);
            color: var(--ink);
            transition: all 0.25s ease;
            min-height: 46px;
            margin-bottom: 16px;
        }
        .form-input:focus, .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(244,166,42,0.2);
            outline: none;
        }
        .form-input::placeholder { color: #9AA8A2; }
        .cta-note { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: -8px; text-align: center; }

        /* ===== Footer ===== */
        .site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.8); padding: 64px 0 0; font-size: 14px; }
        .footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 48px; }
        .footer-logo-row { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
        .footer-logo-icon { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 8px; background: var(--accent); color: var(--ink); font-weight: 800; font-size: 15px; }
        .footer-brand-name { font-size: 19px; font-weight: 700; color: #fff; }
        .footer-brand-name span { color: var(--accent); }
        .footer-brand-desc { color: rgba(255,255,255,0.65); line-height: 1.8; max-width: 400px; }
        .footer-col-title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
        .footer-links { list-style: none; padding: 0; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: rgba(255,255,255,0.7); transition: all 0.2s ease; }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; color: rgba(255,255,255,0.7); }
        .footer-contact-item i { color: var(--accent); margin-top: 4px; width: 16px; text-align: center; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; color: rgba(255,255,255,0.5); font-size: 13px; }
        .footer-icp a { color: rgba(255,255,255,0.5); }
        .footer-icp a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
            .cta-inner { flex-direction: column; gap: 32px; }
            .cta-left, .cta-right { flex: 1 1 100%; }
            .article-main { padding: 40px 36px; }
        }
        @media (max-width: 768px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-header { padding: 48px 0 56px; }
            .article-title { font-size: 28px; }
            .article-main { padding: 32px 24px; }
            .article-body { font-size: 16px; }
            .article-meta { gap: 12px; font-size: 13px; }
            .cta-left h2 { font-size: 24px; }
        }
        @media (max-width: 600px) {
            .brand-row { flex-wrap: wrap; }
            .header-phone span { display: none; }
            .header-actions { gap: 12px; }
            .nav-link { padding: 12px 16px; font-size: 14px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .article-main { padding: 24px 18px; }
            .article-title { font-size: 24px; }
            .cta-form { padding: 20px; }
            .article-back { flex-direction: column; align-items: stretch; }
            .article-back .btn { width: 100%; }
            .breadcrumb { font-size: 12px; gap: 6px; }
            .breadcrumb a:not(:first-child) { display: none; }
            .breadcrumb .breadcrumb-sep:nth-of-type(1) { display: none; }
        }

/* roulang page: category1 */
:root{
  --primary:#0F6E52;
  --primary-dark:#0A3D2F;
  --accent:#F4A62A;
  --accent-light:#E8F2EE;
  --ink:#1A2622;
  --muted:#5D6F68;
  --line:#DDE5E1;
  --bg:#FDFDF9;
  --clay:#C85A37;
  --white:#FFFFFF;
  --radius-lg:12px;
  --radius-md:6px;
  --radius-sm:4px;
  --shadow-sm:0 2px 8px rgba(26,38,34,0.06);
  --shadow-md:0 6px 20px rgba(26,38,34,0.10);
  --section-space:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;}
a:hover,a:focus{color:var(--primary-dark);}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
.section{padding:var(--section-space) 0;}
.section-light{background:var(--accent-light);}
.section-white{background:#fff;}
.section-dark{background:var(--primary-dark);color:rgba(255,255,255,0.9);}
.section-dark h2{color:#fff;}
.section-head{margin-bottom:48px;max-width:720px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;padding:6px 14px;background:var(--accent-light);
  color:var(--primary);font-size:13px;font-weight:600;border-radius:var(--radius-sm);
  letter-spacing:0.04em;margin-bottom:16px;
}
.section-tag.light{background:rgba(244,166,42,0.15);color:var(--accent);}
.section h2{font-size:32px;font-weight:700;line-height:1.35;margin-bottom:16px;color:var(--ink);}
.section p{color:var(--muted);}
.section-dark p{color:rgba(255,255,255,0.75);}
.btn{
  display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 24px;
  border-radius:var(--radius-md);border:1px solid transparent;font-size:15px;font-weight:600;
  line-height:1.2;cursor:pointer;transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateX(2px);box-shadow:var(--shadow-md);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,0.5);}
.btn-ghost:hover{background:rgba(255,255,255,0.12);color:#fff;transform:translateX(2px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#e8971a;color:var(--ink);box-shadow:var(--shadow-md);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:1.5px solid var(--accent);outline-offset:2px;
}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary);transition:gap .25s ease;}
.text-link:hover{gap:10px;color:var(--primary-dark);}
.card-badge{display:inline-block;padding:4px 10px;background:var(--accent-light);color:var(--primary);font-size:12px;font-weight:600;border-radius:var(--radius-sm);}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line);}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:20px 0;gap:16px;}
.brand-logo{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:var(--radius-md);background:var(--primary);color:#fff;font-size:15px;font-weight:700;
}
.brand-text{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:0.02em;}
.brand-text em{font-style:normal;color:var(--primary);font-weight:900;}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-contact{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;font-weight:500;}
.header-contact i{color:var(--primary);font-size:15px;}
.header-cta{
  display:inline-flex;align-items:center;min-height:44px;padding:0 20px;background:var(--primary);
  color:#fff;border-radius:var(--radius-md);font-size:15px;font-weight:600;
  transition:background .25s ease,transform .25s ease;
}
.header-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.channel-nav{
  display:flex;gap:4px;overflow-x:auto;border-top:1px solid var(--line);
  -webkit-overflow-scrolling:touch;scrollbar-width:thin;
}
.nav-link{
  display:inline-flex;align-items:center;min-height:48px;padding:0 20px;font-size:15px;font-weight:500;
  color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap;
  transition:color .25s ease,border-color .25s ease;
}
.nav-link:hover{color:var(--primary);border-color:var(--accent);}
.nav-link.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600;}

/* Hero */
.hero-section{position:relative;background:var(--primary-dark);color:#fff;overflow:hidden;}
.hero-backdrop{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35;}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,61,47,0.94) 0%,rgba(10,61,47,0.78) 55%,rgba(15,110,82,0.55) 100%);
}
.hero-content{position:relative;padding:84px 0 80px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(244,166,42,0.16);color:var(--accent);
  padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero-section h1{font-size:48px;font-weight:900;line-height:1.2;margin:0 0 18px;color:#fff;letter-spacing:0.02em;}
.hero-lead{font-size:18px;line-height:1.7;color:rgba(255,255,255,0.85);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.hero-metric{
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.14);
  border-radius:var(--radius-lg);padding:24px 18px;backdrop-filter:blur(4px);
}
.metric-num{
  display:block;font-size:42px;font-weight:900;line-height:1.1;color:#fff;
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
}
.metric-num span{color:var(--accent);font-size:22px;font-weight:800;}
.metric-label{display:block;margin-top:12px;font-size:14px;font-weight:600;color:rgba(255,255,255,0.92);}
.metric-sub{display:block;margin-top:2px;font-size:12px;color:rgba(255,255,255,0.6);}

/* Highlights */
.highlights-grid{align-items:stretch;}
.highlight-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.highlight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);background:var(--accent-light);}
.highlight-main{flex-direction:row;}
.highlight-media{flex:0 0 46%;min-height:220px;}
.highlight-media img{width:100%;height:100%;object-fit:cover;}
.highlight-body{padding:28px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;}
.highlight-body h3{font-size:20px;font-weight:700;margin:12px 0 10px;}
.highlight-body p{font-size:14px;color:var(--muted);margin-bottom:18px;}
.highlight-card.compact{padding:24px;}
.card-icon{
  width:44px;height:44px;border-radius:var(--radius-md);background:var(--accent-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;
}
.highlight-card.compact h3{font-size:18px;font-weight:700;margin:10px 0 8px;}
.highlight-card.compact p{font-size:14px;color:var(--muted);margin-bottom:16px;flex-grow:1;}

/* Timeline */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:64px;}
.timeline::before{
  content:"";position:absolute;left:20px;top:10px;bottom:10px;width:2px;background:var(--line);
}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-64px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px #FBE6C4;
}
.timeline-num{
  position:absolute;left:-66px;top:24px;font-size:12px;font-weight:700;color:var(--primary);width:44px;text-align:center;
}
.timeline-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:var(--radius-lg);padding:24px 28px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.timeline-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.timeline-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.timeline-card p{font-size:14px;color:var(--muted);margin-bottom:0;}

/* Scene */
.scene-card{
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius-lg);padding:28px;height:100%;
  transition:background .3s ease,transform .3s ease;
}
.scene-card:hover{background:rgba(255,255,255,0.1);transform:translateY(-4px);}
.scene-card i{font-size:24px;color:var(--accent);margin-bottom:14px;}
.scene-card h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px;}
.scene-card p{font-size:14px;color:rgba(255,255,255,0.65);margin-bottom:0;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;
  margin-bottom:14px;overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item.open{box-shadow:var(--shadow-sm);border-left-color:var(--primary);}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;width:100%;background:transparent;
  border:none;padding:20px 24px;font-size:16px;font-weight:600;text-align:left;
  color:var(--ink);cursor:pointer;transition:color .3s ease;min-height:56px;
}
.faq-question:hover{color:var(--primary);}
.faq-question i{transition:transform .35s ease;color:var(--primary);margin-left:16px;}
.faq-item.open .faq-question i{transform:rotate(135deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-item.open .faq-answer{max-height:600px;}
.faq-answer p{padding:0 24px 22px;font-size:14px;color:var(--muted);margin:0;line-height:1.8;}

/* CTA */
.cta-section{background:var(--primary-dark);color:#fff;position:relative;}
.cta-inner{
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius-lg);padding:48px;
}
.cta-section h2{color:#fff;margin-bottom:14px;}
.cta-section p{color:rgba(255,255,255,0.75);}
.cta-contact-info{margin-top:24px;}
.cta-contact-info div{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,0.85);margin-bottom:10px;}
.cta-contact-info i{color:var(--accent);width:18px;text-align:center;}
.cta-form{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-md);}
.cta-form label{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;display:block;}
.cta-form input,.cta-form select,.cta-form textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 14px;
  font-size:14px;background:#fff;color:var(--ink);margin-bottom:18px;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(244,166,42,0.15);outline:none;
}
.form-actions{display:flex;margin-top:4px;}
.form-note{font-size:12px;color:var(--muted);margin-top:10px;}

/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,0.7);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand-name{font-size:22px;font-weight:700;color:#fff;}
.footer-brand-name span{color:var(--accent);}
.footer-logo-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo-icon{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:var(--radius-md);background:var(--accent);color:var(--ink);font-size:14px;font-weight:800;
}
.footer-brand-desc{font-size:14px;line-height:1.8;max-width:300px;margin:0;}
.footer-col-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,0.65);font-size:14px;transition:color .25s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-contact-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,0.65);}
.footer-contact-item i{color:var(--accent);margin-top:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);padding:22px 0;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:8px;font-size:13px;color:rgba(255,255,255,0.5);
}
.footer-icp a{color:rgba(255,255,255,0.65);}
.footer-icp a:hover{color:var(--accent);}

/* Responsive */
@media screen and (max-width:1024px){
  :root{--section-space:64px;}
  .hero-content{padding:64px 0;}
  .hero-section h1{font-size:38px;}
  .highlight-main{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
  :root{--section-space:48px;}
  .header-top{flex-wrap:wrap;padding:14px 0;}
  .header-actions{width:100%;justify-content:space-between;}
  .brand-text{font-size:20px;}
  .hero-content{padding:48px 0;}
  .hero-section h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-metrics{gap:8px;}
  .hero-metric{padding:16px 12px;}
  .metric-num{font-size:28px;}
  .nav-link{min-height:44px;padding:0 14px;font-size:14px;}
  .section-head{margin-bottom:32px;}
  .section h2{font-size:24px;}
  .highlight-media{min-height:180px;}
  .highlight-body{padding:20px;}
  .timeline{padding-left:48px;}
  .timeline-dot{left:-48px;width:12px;height:12px;}
  .timeline-num{left:-50px;}
  .timeline-card{padding:18px;}
  .timeline-card:hover{transform:none;}
  .cta-inner{padding:24px;}
  .cta-form{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .header-contact span{display:none;}
  .hero-metrics{grid-template-columns:1fr;gap:12px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .form-actions .btn{width:100%;justify-content:center;}
}

/* roulang page: category2 */
:root {
            --primary: #0F6E52;
            --primary-dark: #0A3D2F;
            --primary-soft: #E8F2EE;
            --accent: #F4A62A;
            --ink: #1A2622;
            --text-secondary: #5D6F68;
            --text-light: #A8BFB5;
            --line: #DDE5E1;
            --bg: #FDFDF9;
            --danger: #C85A37;
            --white: #FFFFFF;
            --radius-lg: 12px;
            --radius-md: 6px;
            --radius-sm: 4px;
            --shadow-sm: 0 2px 8px rgba(26, 38, 34, 0.06);
            --shadow-md: 0 6px 20px rgba(26, 38, 34, 0.10);
            --transition: all 0.25s ease;
            --font-stack: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto Condensed", "PingFang SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html,
        body {
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }
        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 页头 ===== */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--line);
        }
        .header-top {
            border-bottom: 1px solid rgba(221, 229, 225, 0.5);
        }
        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .brand-name span {
            color: var(--primary);
            font-weight: 600;
            font-size: 18px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .header-tel {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-tel i {
            color: var(--primary);
        }
        .header-tel:hover {
            color: var(--primary);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: var(--white);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateX(2px);
        }
        .header-bottom {
            background: var(--white);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: 52px;
            overflow-x: auto;
        }
        .channel-nav::-webkit-scrollbar {
            height: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-md);
            min-height: 40px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
            background: var(--primary-soft);
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            background: var(--primary-dark);
            padding: 88px 0 80px;
            overflow: hidden;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 61, 47, 0.92) 0%, rgba(10, 61, 47, 0.65) 60%, rgba(10, 61, 47, 0.35) 100%);
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .category-hero-content {
            flex: 1.2;
        }
        .category-hero-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(244, 166, 42, 0.15);
            border: 1px solid rgba(244, 166, 42, 0.4);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: 1px;
        }
        .category-hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 0 28px;
        }
        .category-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            border: none;
            transition: var(--transition);
            min-height: 44px;
            line-height: 1.2;
        }
        .btn i {
            font-size: 14px;
            transition: transform 0.25s ease;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateX(2px);
        }
        .btn-primary:hover i {
            transform: translateX(3px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            border-color: var(--white);
        }
        .category-hero-stats {
            flex: 0.8;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            backdrop-filter: blur(4px);
        }
        .hero-stat-card:nth-child(3) {
            grid-column: span 2;
        }
        .hero-stat-num {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            display: block;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
            display: block;
        }

        /* ===== 区块通用 ===== */
        .section-padding {
            padding: 88px 0;
        }
        .section-padding-sm {
            padding: 64px 0;
        }
        .section-heading {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin: 0 0 12px;
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 分类亮点 ===== */
        .category-highlights {
            background: var(--bg);
            padding: 88px 0;
        }
        .highlights-grid .highlight-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .highlight-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            background: var(--primary-soft);
            transform: translateY(-2px);
        }
        .highlight-card:hover::before {
            opacity: 1;
        }
        .highlight-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .highlight-card:hover .highlight-icon {
            background: var(--primary);
            color: var(--white);
        }
        .highlight-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 10px;
            color: var(--ink);
        }
        .highlight-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 分类详情 ===== */
        .category-details {
            background: var(--white);
            padding: 88px 0;
        }
        .details-grid {
            row-gap: 24px;
        }
        .detail-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .detail-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .detail-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .detail-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 10px;
        }
        .detail-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
            flex-grow: 1;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .text-link i {
            font-size: 13px;
            transition: transform 0.25s ease;
        }
        .text-link:hover {
            color: var(--primary-dark);
        }
        .text-link:hover i {
            transform: translateX(4px);
        }
        .detail-card-lg {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .detail-card-cover {
            width: 100%;
            height: 180px;
            overflow: hidden;
        }
        .detail-cover-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .detail-card-lg:hover .detail-cover-img {
            transform: scale(1.04);
        }
        .detail-card-body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .detail-card-badge {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .detail-card-badge.secondary {
            background: rgba(244, 166, 42, 0.15);
            color: #B87A1E;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--primary-soft);
            padding: 88px 0;
        }
        .faq-section .section-tag {
            background: rgba(15, 110, 82, 0.15);
            color: var(--primary);
        }
        .faq-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin: 0 0 14px;
        }
        .faq-section .faq-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 24px;
            max-width: 440px;
        }
        .faq-panels {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            background: var(--white);
            border: none;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            transition: var(--transition);
        }
        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .faq-icon::before {
            width: 10px;
            height: 2px;
        }
        .faq-icon::after {
            width: 2px;
            height: 10px;
            transition: transform 0.25s ease;
        }
        .faq-item.active .faq-question {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            border-color: var(--primary);
        }
        .faq-item.active .faq-icon::before,
        .faq-item.active .faq-icon::after {
            background: var(--white);
        }
        .faq-item.active .faq-icon::after {
            transform: rotate(90deg);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--white);
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-answer p {
            margin: 0;
        }

        /* ===== CTA 表单 ===== */
        .cta-section {
            background: var(--primary-dark);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(15, 110, 82, 0.4) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
            z-index: 1;
        }
        .cta-content {
            text-align: center;
            margin-bottom: 36px;
        }
        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
        }
        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-form {
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-form .cell {
            margin-bottom: 16px;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            height: 46px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 0 15px;
            color: var(--white);
            font-size: 15px;
            outline: none;
            transition: var(--transition);
        }
        .cta-form select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A8BFB5' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
            cursor: pointer;
        }
        .cta-form select option {
            color: var(--ink);
            background: var(--white);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(244, 166, 42, 0.2);
        }
        .btn-amber {
            background: var(--accent);
            color: var(--ink);
            width: 100%;
            font-weight: 700;
        }
        .btn-amber:hover {
            background: #E09A1F;
            color: var(--ink);
        }
        .form-privacy {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin: 16px 0 0;
        }
        .form-privacy i {
            margin-right: 4px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand {
            max-width: 300px;
        }
        .footer-logo-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--white);
        }
        .footer-brand-name span {
            font-weight: 400;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 9px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-contact-item i {
            color: var(--accent);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-icp a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-icp a:hover {
            color: var(--accent);
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 1.5px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .category-hero-content {
                flex: none;
                width: 100%;
            }
            .category-hero-stats {
                flex: none;
                width: 100%;
                margin-top: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section-padding,
            .category-highlights,
            .category-details,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .category-hero {
                padding: 56px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero-desc {
                font-size: 15px;
            }
            .header-top-inner {
                min-height: 60px;
            }
            .header-tel span {
                display: none;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .brand-name {
                font-size: 18px;
            }
            .brand-name span {
                font-size: 15px;
            }
            .hero-stat-num {
                font-size: 32px;
            }
            .hero-stat-card {
                padding: 18px 14px;
            }
            .details-grid .cell {
                margin-bottom: 16px;
            }
            .cta-inner {
                padding: 32px 24px;
            }
        }

        @media (max-width: 600px) {
            .container {
                padding: 0 16px;
            }
            .header-top-inner {
                gap: 10px;
            }
            .brand-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 12px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-name span {
                font-size: 14px;
            }
            .header-tel {
                display: none;
            }
            .channel-nav {
                gap: 0;
                padding-bottom: 4px;
            }
            .nav-link {
                padding: 8px 12px;
                font-size: 14px;
                min-height: 36px;
            }
            .category-hero {
                padding: 40px 0 40px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero-tag {
                font-size: 12px;
                padding: 4px 10px;
            }
            .category-hero-desc {
                font-size: 14px;
            }
            .btn {
                font-size: 14px;
                padding: 10px 18px;
            }
            .category-hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-stat-card {
                padding: 14px 10px;
            }
            .hero-stat-num {
                font-size: 28px;
            }
            .hero-stat-label {
                font-size: 12px;
            }
            .section-heading {
                margin-bottom: 32px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .section-heading p {
                font-size: 14px;
            }
            .highlight-card {
                padding: 24px 18px;
            }
            .highlights-grid .cell,
            .details-grid .cell {
                margin-bottom: 14px;
            }
            .detail-card {
                padding: 22px 18px;
            }
            .detail-card-lg {
                padding: 0;
            }
            .detail-card-body {
                padding: 20px 18px 16px;
            }
            .faq-section h2 {
                font-size: 22px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 16px;
            }
            .faq-answer {
                padding: 0 16px 16px;
            }
            .cta-inner {
                padding: 28px 18px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
        --primary: #0F6E52;
        --primary-dark: #0A3D2F;
        --primary-mid: #127A5C;
        --accent: #F4A62A;
        --accent-soft: #E8F2EE;
        --ink: #1A2622;
        --muted: #5D6F68;
        --line: #DDE5E1;
        --bg: #FDFDF9;
        --clay: #C85A37;
        --white: #ffffff;
        --radius-lg: 12px;
        --radius-md: 6px;
        --radius-sm: 4px;
        --shadow-sm: 0 2px 8px rgba(26, 38, 34, 0.06);
        --shadow-lg: 0 6px 20px rgba(26, 38, 34, 0.10);
        --font-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        --font-num: "DIN Alternate", "Roboto Condensed", "PingFang SC", sans-serif;
        --space-section: 96px;
        --space-section-md: 64px;
        --space-section-sm: 48px;
        --container-w: 1200px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        background: var(--bg);
        color: var(--ink);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }

    a:hover {
        color: var(--primary);
    }

    ul, ol {
        list-style: none;
    }

    button, input, select, textarea {
        font-family: inherit;
    }

    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }

    .container {
        max-width: var(--container-w);
        margin-inline: auto;
        padding-inline: 24px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 44px;
        padding: 10px 24px;
        border-radius: var(--radius-md);
        border: none;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.2;
        cursor: pointer;
        transition: all .25s ease;
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateX(2px);
    }

    .btn-accent {
        background: var(--accent);
        color: var(--ink);
    }

    .btn-accent:hover {
        filter: brightness(1.06);
        color: var(--ink);
    }

    .btn-outline {
        background: transparent;
        color: var(--primary);
        border: 1.5px solid var(--primary);
    }

    .btn-outline:hover {
        background: var(--accent-soft);
        color: var(--primary);
    }

    .btn-sm {
        padding: 8px 18px;
        min-height: 38px;
        font-size: 14px;
    }

    .btn-block {
        width: 100%;
    }

    .site-header {
        background: var(--bg);
        border-bottom: 1px solid var(--line);
    }

    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-block: 16px;
        gap: 16px;
        flex-wrap: wrap;
    }

    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    .brand-logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--primary);
        color: #fff;
        font-weight: 800;
        font-size: 15px;
        letter-spacing: 1px;
        flex-shrink: 0;
    }

    .brand-name {
        font-size: 22px;
        font-weight: 800;
        color: var(--ink);
        letter-spacing: .5px;
    }

    .brand-name span {
        color: var(--primary);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .header-phone {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 600;
        color: var(--ink);
    }

    .header-phone i {
        color: var(--primary);
    }

    .channel-nav-wrap {
        border-top: 1px solid var(--line);
        background: var(--bg);
    }

    .channel-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        padding-block: 10px;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        min-height: 36px;
        padding: 0 18px;
        font-size: 15px;
        font-weight: 500;
        color: var(--muted);
        border-radius: var(--radius-md);
        border-bottom: 2px solid transparent;
        transition: all .2s ease;
        white-space: nowrap;
    }

    .nav-link:hover {
        color: var(--primary);
        background: var(--accent-soft);
    }

    .nav-link.active {
        color: var(--primary);
        font-weight: 700;
        border-bottom-color: var(--primary);
        background: transparent;
    }

    .category-hero {
        padding: 76px 0 88px;
        background: linear-gradient(90deg, rgba(253, 253, 249, .96), rgba(253, 253, 249, .82) 45%, rgba(253, 253, 249, .55)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        border-bottom: 1px solid var(--line);
    }

    .cat-hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: var(--accent-soft);
        border-radius: var(--radius-sm);
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 18px;
    }

    .category-hero h1 {
        font-size: 46px;
        font-weight: 900;
        color: var(--ink);
        line-height: 1.25;
        margin-bottom: 16px;
        letter-spacing: 1px;
    }

    .hero-sub {
        font-size: 18px;
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 12px;
    }

    .hero-lead {
        max-width: 640px;
        font-size: 16px;
        color: var(--muted);
        margin-bottom: 40px;
        line-height: 1.8;
    }

    .hero-metrics {
        margin-top: 0;
    }

    .metric-card {
        background: rgba(255, 255, 255, .94);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: 20px;
        box-shadow: var(--shadow-sm);
        height: 100%;
        transition: box-shadow .25s ease, transform .25s ease;
    }

    .metric-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-3px);
    }

    .metric-num {
        font-family: var(--font-num);
        font-size: 38px;
        font-weight: 900;
        color: var(--accent);
        line-height: 1.1;
    }

    .metric-label {
        font-size: 14px;
        color: var(--muted);
        margin-top: 6px;
    }

    .highlight-section {
        padding: var(--space-section) 0;
    }

    .section-head {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        margin-bottom: 40px;
        gap: 12px;
        flex-wrap: wrap;
    }

    .section-head h2 {
        font-size: 30px;
        font-weight: 800;
        color: var(--ink);
        line-height: 1.35;
        position: relative;
        padding-bottom: 12px;
    }

    .section-head h2::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 48px;
        height: 3px;
        background: var(--primary);
        border-radius: 2px;
    }

    .section-head p {
        color: var(--muted);
        font-size: 15px;
    }

    .section-head.light h2 {
        color: #fff;
    }

    .section-head.light h2::after {
        background: var(--accent);
    }

    .section-head.light p {
        color: rgba(255, 255, 255, .65);
    }

    .highlight-card {
        background: #fff;
        border: 1px solid var(--line);
        border-top: 3px solid var(--primary);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        transition: box-shadow .3s ease, transform .3s ease, background .3s ease;
        height: 100%;
    }

    .highlight-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-4px);
        background: var(--accent-soft);
    }

    .highlight-card.main-card {
        background: linear-gradient(180deg, #fff 0%, var(--accent-soft) 100%);
    }

    .icon-wrap {
        width: 48px;
        height: 48px;
        border-radius: 10px;
        background: var(--accent-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 22px;
        margin-bottom: 16px;
    }

    .highlight-card h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .highlight-card p {
        font-size: 15px;
        color: var(--muted);
        line-height: 1.7;
    }

    .highlight-list {
        margin-top: 16px;
        display: grid;
        gap: 10px;
    }

    .highlight-list li {
        display: flex;
        gap: 8px;
        align-items: center;
        font-size: 14px;
        color: var(--ink);
    }

    .highlight-list li i {
        color: var(--primary);
        font-size: 14px;
        flex-shrink: 0;
    }

    .types-section {
        padding: var(--space-section) 0;
        background: var(--accent-soft);
    }

    .type-card {
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--line);
        transition: transform .3s ease, box-shadow .3s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

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

    .type-card-img {
        aspect-ratio: 16 / 10;
        overflow: hidden;
    }

    .type-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }

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

    .type-card-body {
        padding: 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .type-tag {
        display: inline-flex;
        align-self: flex-start;
        padding: 4px 10px;
        background: var(--accent-soft);
        color: var(--primary);
        border-radius: var(--radius-sm);
        font-size: 12px;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .type-card-body h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .type-card-body p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
    }

    .process-section {
        padding: var(--space-section) 0;
    }

    .process-step {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: 24px;
        height: 100%;
        transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .process-step:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary);
    }

    .process-step::before {
        content: attr(data-step);
        display: flex;
        align-items: center;
        justify-content: center;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        font-weight: 700;
        font-size: 13px;
        margin-bottom: 16px;
        font-family: var(--font-num);
    }

    .process-step h3 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .process-step p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
    }

    .compare-section {
        padding: var(--space-section) 0;
        background: var(--primary-dark);
        color: #fff;
    }

    .compare-card {
        background: rgba(255, 255, 255, .06);
        border-radius: var(--radius-lg);
        padding: 28px;
        border: 1px solid rgba(255, 255, 255, .1);
        height: 100%;
    }

    .compare-card.old {
        background: rgba(255, 255, 255, .03);
        border-color: var(--clay);
    }

    .compare-card.new {
        background: rgba(255, 255, 255, .08);
        border-color: rgba(244, 166, 42, .4);
    }

    .compare-title {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 22px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .compare-title i {
        color: var(--accent);
    }

    .compare-card.old .compare-title i {
        color: var(--clay);
    }

    .compare-row {
        margin-bottom: 18px;
    }

    .compare-row:last-child {
        margin-bottom: 0;
    }

    .compare-label {
        display: flex;
        justify-content: space-between;
        font-size: 14px;
        margin-bottom: 6px;
        opacity: .92;
        gap: 8px;
    }

    .compare-bar {
        height: 8px;
        background: rgba(255, 255, 255, .12);
        border-radius: 4px;
        overflow: hidden;
    }

    .compare-bar i {
        display: block;
        height: 100%;
        border-radius: 4px;
        background: var(--accent);
        transition: width 1s ease .2s;
    }

    .compare-card.old .compare-bar i {
        background: var(--clay);
    }

    .faq-section {
        padding: var(--space-section) 0;
    }

    .faq-side h2 {
        font-size: 32px;
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 12px;
        position: relative;
        padding-bottom: 12px;
    }

    .faq-side h2::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 48px;
        height: 3px;
        background: var(--primary);
        border-radius: 2px;
    }

    .faq-side p {
        color: var(--muted);
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .faq-accordion {
        display: grid;
        gap: 1px;
        background: var(--line);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        overflow: hidden;
    }

    .faq-item {
        background: #fff;
        transition: border-color .2s ease;
    }

    .faq-item.active {
        border-left: 3px solid var(--primary);
    }

    .faq-q {
        width: 100%;
        background: none;
        border: none;
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 600;
        text-align: left;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        min-height: 56px;
        gap: 16px;
        color: var(--ink);
        transition: background .2s ease;
    }

    .faq-q:hover {
        background: var(--accent-soft);
    }

    .faq-icon {
        width: 22px;
        height: 22px;
        position: relative;
        flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: '';
        position: absolute;
        background: var(--primary);
        border-radius: 2px;
        transition: transform .25s ease, opacity .25s ease;
    }

    .faq-icon::before {
        width: 14px;
        height: 2px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .faq-icon::after {
        width: 2px;
        height: 14px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .faq-item.active .faq-icon::after {
        transform: translate(-50%, -50%) rotate(90deg);
        opacity: 0;
    }

    .faq-a {
        display: none;
        padding: 0 24px 20px;
        font-size: 15px;
        color: var(--muted);
        line-height: 1.8;
    }

    .faq-item.active .faq-a {
        display: block;
    }

    .cta-section {
        padding: var(--space-section) 0;
        background: var(--primary-dark);
        color: #fff;
    }

    .cta-copy h2 {
        font-size: 30px;
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 14px;
        position: relative;
        padding-bottom: 12px;
    }

    .cta-copy h2::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 48px;
        height: 3px;
        background: var(--accent);
        border-radius: 2px;
    }

    .cta-desc {
        color: rgba(255, 255, 255, .75);
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: 24px;
        max-width: 480px;
    }

    .cta-points {
        display: grid;
        gap: 12px;
    }

    .cta-points li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 15px;
        color: rgba(255, 255, 255, .85);
    }

    .cta-points li i {
        color: var(--accent);
        font-size: 16px;
        flex-shrink: 0;
    }

    .cta-form {
        background: #fff;
        border-radius: var(--radius-lg);
        padding: 28px;
        display: grid;
        gap: 16px;
        box-shadow: var(--shadow-lg);
    }

    .form-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 6px;
        color: var(--ink);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        padding: 12px 14px;
        font-size: 15px;
        background: var(--bg);
        outline: none;
        transition: border-color .2s ease, box-shadow .2s ease;
        color: var(--ink);
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(244, 166, 42, .15);
    }

    .form-group textarea {
        resize: vertical;
        min-height: 80px;
    }

    .form-note {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--muted);
        justify-content: center;
    }

    .site-footer {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, .75);
        padding: 64px 0 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 4fr 2fr 2fr 3fr;
        gap: 36px;
        margin-bottom: 36px;
    }

    .footer-logo-row {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }

    .footer-logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 8px;
        background: var(--primary);
        color: #fff;
        font-weight: 800;
        font-size: 14px;
        flex-shrink: 0;
    }

    .footer-brand-name {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
    }

    .footer-brand-name span {
        color: var(--accent);
    }

    .footer-brand-desc {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255, 255, 255, .65);
        max-width: 320px;
    }

    .footer-col-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 18px;
    }

    .footer-links {
        display: grid;
        gap: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: rgba(255, 255, 255, .7);
        transition: color .2s ease;
    }

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

    .footer-contact-item {
        display: flex;
        gap: 10px;
        font-size: 14px;
        margin-bottom: 12px;
        color: rgba(255, 255, 255, .7);
        line-height: 1.6;
    }

    .footer-contact-item i {
        color: var(--accent);
        margin-top: 3px;
        flex-shrink: 0;
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        border-top: 1px solid rgba(255, 255, 255, .12);
        padding-top: 20px;
        font-size: 13px;
        color: rgba(255, 255, 255, .5);
        flex-wrap: wrap;
        gap: 8px;
    }

    .footer-icp a {
        color: rgba(255, 255, 255, .6);
        transition: color .2s ease;
    }

    .footer-icp a:hover {
        color: var(--accent);
    }

    @media (max-width: 1024px) {
        :root {
            --space-section: 64px;
        }

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

        .category-hero h1 {
            font-size: 40px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --space-section: 56px;
        }

        .category-hero {
            padding: 56px 0 64px;
        }

        .category-hero h1 {
            font-size: 34px;
        }

        .hero-sub {
            font-size: 16px;
        }

        .metric-num {
            font-size: 30px;
        }

        .cta-inner {
            gap: 24px;
        }

        .form-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 600px) {
        :root {
            --space-section: 48px;
        }

        .header-top {
            padding-block: 12px;
        }

        .header-phone {
            display: none;
        }

        .channel-nav-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-nav-wrap::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            min-width: max-content;
            padding-left: 16px;
            padding-right: 16px;
            padding-block: 8px;
        }

        .nav-link {
            padding: 0 14px;
            min-height: 36px;
            font-size: 14px;
        }

        .category-hero {
            padding: 44px 0 48px;
        }

        .category-hero h1 {
            font-size: 30px;
        }

        .hero-lead {
            font-size: 15px;
            margin-bottom: 28px;
        }

        .hero-metrics .cell {
            margin-bottom: 0;
        }

        .metric-card {
            padding: 16px;
        }

        .metric-num {
            font-size: 26px;
        }

        .section-head {
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: 24px;
        }

        .highlight-card {
            padding: 22px;
        }

        .type-card-body {
            padding: 18px;
        }

        .process-step {
            padding: 20px;
        }

        .compare-card {
            padding: 22px;
        }

        .faq-q {
            padding: 16px 18px;
            font-size: 15px;
        }

        .faq-a {
            padding: 0 18px 18px;
            font-size: 14px;
        }

        .cta-section {
            padding: 48px 0;
        }

        .cta-form {
            padding: 22px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            justify-content: center;
        }

        .form-note {
            flex-wrap: wrap;
            text-align: center;
        }
    }