/* roulang page: index */
:root {
            --primary: #0F8B8D;
            --primary-dark: #0A5C61;
            --primary-light: #E0F2F1;
            --accent: #F5A05E;
            --accent-dark: #D97A3F;
            --canvas: #F6F8F7;
            --surface: #FFFFFF;
            --ink: #193331;
            --muted: #6B837F;
            --border: #DFEBE7;
            --brand-gradient: linear-gradient(135deg, #0A5C61, #0F8B8D 55%, #4DBDB5);
            --heat-gradient: linear-gradient(135deg, #F5A05E, #F7C97C);
            --shadow-sm: 0 2px 8px rgba(10, 92, 97, .06);
            --shadow-md: 0 8px 24px rgba(10, 92, 97, .08);
            --shadow-lg: 0 14px 40px rgba(10, 92, 97, .12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-pill: 1000px;
            --font-main: PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Noto Sans CJK SC, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--canvas);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-page {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .text-muted-small {
            color: var(--muted);
            font-size: 14px;
        }
        .text-accent {
            color: var(--accent);
        }

        /* 按钮系统 */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            padding: 10px 24px;
            transition: all .25s ease;
            font-size: 15px;
            border: 2px solid transparent;
        }
        .btn-primary-custom {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            box-shadow: 0 6px 18px rgba(15, 139, 141, .25);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(15, 139, 141, .32);
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent-custom {
            background: var(--heat-gradient);
            color: #4a2c0e;
            border: none;
            font-weight: 700;
        }
        .btn-accent-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 160, 94, .35);
            color: #3a230c;
        }

        /* Header */
        .site-header {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(223, 235, 231, .7);
            position: sticky;
            top: 0;
            z-index: 1060;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .site-header .left-side {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }
        .site-header .right-side {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-size: 1.65rem;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: -0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-logo span {
            color: var(--primary);
        }
        .main-nav ul {
            display: flex;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            line-height: 1.5;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(224, 242, 241, .55);
        }
        .main-nav a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }
        .search-shortcut {
            display: flex;
            align-items: center;
            background: rgba(224, 242, 241, .4);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            gap: 8px;
            cursor: pointer;
            transition: all .2s;
            min-width: 180px;
        }
        .search-shortcut input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            width: 100%;
            color: var(--ink);
        }
        .search-shortcut input::placeholder {
            color: var(--muted);
        }
        .search-shortcut:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .search-shortcut i {
            color: var(--primary);
        }

        /* 移动端 nav */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ink);
            padding: 6px 10px;
            border-radius: 10px;
        }
        @media (max-width: 991.98px) {
            .main-nav.desktop-nav,
            .search-shortcut.desktop-search {
                display: none;
            }
            .mobile-toggle {
                display: inline-block;
            }
            .mobile-nav-panel {
                display: none;
                position: fixed;
                top: 72px;
                left: 12px;
                right: 12px;
                background: #fff;
                border-radius: 20px;
                padding: 20px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                z-index: 1059;
            }
            .mobile-nav-panel.open {
                display: block;
            }
            .mobile-nav-panel ul {
                list-style: none;
                margin: 0;
                padding: 0;
                display: flex;
                flex-direction: column;
                gap: 4px;
            }
            .mobile-nav-panel a {
                display: block;
                padding: 12px 16px;
                border-radius: 14px;
                color: var(--ink);
                font-weight: 500;
            }
            .mobile-nav-panel a.active {
                background: var(--primary-light);
                color: var(--primary-dark);
                font-weight: 600;
            }
            .mobile-search {
                margin-top: 14px;
                display: flex;
                border: 1px solid var(--border);
                border-radius: var(--radius-pill);
                padding: 8px 16px;
                align-items: center;
                gap: 8px;
            }
            .mobile-search input {
                border: none;
                outline: none;
                width: 100%;
                font-size: 14px;
                background: transparent;
            }
        }

        /* Hero */
        .hero-section {
            padding: 40px 0 60px;
            background: var(--canvas);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 139, 141, .10), transparent 65%);
            pointer-events: none;
        }
        .hero-inside {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 56px;
            align-items: center;
            position: relative;
        }
        .hero-title {
            font-size: clamp(2.2rem, 4vw, 3.1rem);
            font-weight: 800;
            line-height: 1.22;
            color: var(--ink);
            margin: 0 0 20px;
            letter-spacing: -0.01em;
        }
        .hero-title .highlight {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--muted);
            margin-bottom: 24px;
            max-width: 540px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-badge-item {
            background: rgba(255, 255, 255, .85);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            font-size: 13px;
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .hero-badge-item i {
            color: var(--primary);
        }
        .hero-badge-item .hot {
            color: var(--accent-dark);
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* hero visual */
        .hero-visual {
            position: relative;
            min-height: 420px;
        }
        .vertical-phone-card {
            position: relative;
            max-width: 340px;
            margin-left: auto;
            border-radius: 32px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, .35);
            aspect-ratio: 9/16;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }
        .vertical-phone-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 92, 97, .05) 0%, rgba(10, 92, 97, .35) 75%, rgba(10, 92, 97, .72) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }
        .vertical-phone-card .content-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .9);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .vertical-phone-card .content-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
        }
        .mini-float-card {
            position: absolute;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(8px);
            border-radius: 18px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, .6);
            padding: 16px 18px;
            left: -10px;
            bottom: 70px;
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .mini-float-card .ico {
            width: 42px;
            height: 42px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .mini-float-card .txt {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.3;
        }
        .mini-float-card .txt strong {
            display: block;
            font-size: 16px;
            color: var(--ink);
        }
        .float-badge-top {
            position: absolute;
            top: 24px;
            right: -12px;
            background: var(--heat-gradient);
            color: #4a2c0e;
            font-weight: 700;
            font-size: 13px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 991.98px) {
            .hero-inside {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-visual {
                min-height: auto;
                display: flex;
                justify-content: center;
                padding: 10px 0;
            }
            .vertical-phone-card {
                margin: 0 auto;
                max-width: 300px;
            }
            .mini-float-card {
                left: 10px;
            }
        }

        /* Section 通用 */
        .section-block {
            padding: 72px 0;
        }
        @media (max-width: 767px) {
            .section-block {
                padding: 52px 0;
            }
        }
        .section-head {
            width: 100%;
            margin-bottom: 36px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .04em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
            margin: 0 0 10px;
        }
        .section-desc {
            color: var(--muted);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.7;
        }

        /* 内容通用 */
        .content-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }
        .content-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 139, 141, .35);
            transform: translateY(-4px);
        }

        /* Hero 下方信息区块 */
        .info-strip {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }
        .info-strip-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 28px;
            align-items: center;
            justify-content: center;
        }
        .info-strip-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ink);
            font-size: 14px;
            font-weight: 500;
        }
        .info-strip-item i {
            color: var(--primary);
        }

        /* 热门卡片 Bento */
        .bento-area {
            display: grid;
            grid-template-columns: 1.2fr .9fr .9fr;
            grid-gap: 20px;
            margin-bottom: 16px;
        }
        .bento-card.big {
            grid-row: span 2;
        }
        .bento-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            min-height: 180px;
            transition: all .3s ease;
        }
        .bento-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .bento-card .cover {
            width: 100%;
            height: 220px;
            object-fit: cover;
            background: var(--primary-light);
        }
        .bento-card.big .cover {
            height: 260px;
        }
        .bento-card .content {
            padding: 20px;
        }
        .bento-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--ink);
            line-height: 1.4;
        }
        .bento-desc {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }
        .bento-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .badge-tag {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
        }
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--muted);
            font-variant-numeric: tabular-nums;
            background: rgba(224, 242, 241, .5);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
        }
        .stat-badge i {
            color: var(--accent);
        }
        @media (max-width: 991px) {
            .bento-area {
                grid-template-columns: 1fr 1fr;
            }
            .bento-card.big {
                grid-column: span 1;
                grid-row: auto;
            }
        }
        @media (max-width: 640px) {
            .bento-area {
                grid-template-columns: 1fr;
            }
            .bento-card.big .cover {
                height: 200px;
            }
        }

        /* 种草清单 */
        .checklist-wrap {
            background: linear-gradient(180deg, #fff 0%, #F6F8F7 100%);
        }
        .checklist-grid {
            display: grid;
            grid-template-columns: .8fr 1.4fr;
            gap: 40px;
        }
        .checklist-side {
            position: sticky;
            top: 110px;
            align-self: flex-start;
        }
        @media (max-width: 991px) {
            .checklist-grid {
                grid-template-columns: 1fr;
            }
            .checklist-side {
                position: static;
            }
        }
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .step-item {
            display: flex;
            gap: 18px;
            background: #fff;
            padding: 22px 22px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all .3s ease;
            align-items: flex-start;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 139, 141, .35);
            transform: translateY(-2px);
        }
        .step-num {
            background: var(--brand-gradient);
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }
        .step-item .step-title {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .step-item .step-text {
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .step-link {
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
        }
        .step-link i {
            font-size: 12px;
            transition: transform .2s;
        }
        .step-link:hover i {
            transform: translateX(4px);
        }

        /* 评论 / 口碑 */
        .reviews-wrap {
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .review-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 10px;
            scrollbar-width: thin;
        }
        .review-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .review-scroll::-webkit-scrollbar-track {
            background: rgba(224, 242, 241, .3);
            border-radius: 8px;
        }
        .review-scroll::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 8px;
        }
        .review-card {
            background: #F6F8F7;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 18px;
            min-width: 260px;
            max-width: 280px;
            flex: 0 0 auto;
            transition: all .25s ease;
        }
        .review-card:hover {
            box-shadow: var(--shadow-sm);
        }
        .review-head {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            gap: 8px;
            flex-wrap: wrap;
        }
        .review-source {
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-weight: 600;
        }
        .review-stars {
            color: var(--accent);
            font-size: 12px;
        }
        .review-text {
            font-size: 14px;
            line-height: 1.65;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .review-time {
            font-size: 12px;
            color: var(--muted);
        }

        /* CTA 行动条 */
        .cta-banner {
            padding: 60px 0;
            background: var(--brand-gradient);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -40px;
            width: 240px;
            height: 240px;
            border-radius: 30% 70% 70% 30%;
            background: rgba(255, 255, 255, .08);
            transform: rotate(30deg);
        }
        .cta-banner .cta-title {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-banner .cta-desc {
            opacity: .92;
            font-size: 1.05rem;
            margin-bottom: 16px;
            max-width: 600px;
        }
        .cta-banner .btn-cta-light {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 16px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, .18);
        }
        .cta-banner .btn-cta-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
            color: var(--primary-dark);
        }
        .cta-banner .btn-cta-ghost {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .8);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 10px 26px;
            font-size: 16px;
            font-weight: 600;
        }
        .cta-banner .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }

        /* CMS 区域 */
        .news-loop {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all .2s ease;
        }
        .news-card:hover {
            border-color: rgba(15, 139, 141, .35);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .news-card .cat-tag {
            white-space: nowrap;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .news-card .news-title {
            font-weight: 650;
            color: var(--ink);
            font-size: 1rem;
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 380px;
        }
        .news-card .news-summary {
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 360px;
        }
        .news-card .news-date {
            color: var(--muted);
            font-size: 13px;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
            margin-left: auto;
            flex-shrink: 0;
        }
        .news-card .news-link-icon {
            color: var(--primary);
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .empty-state {
            background: #fff;
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 20px;
            text-align: center;
            color: var(--muted);
            font-size: 15px;
        }
        .empty-state .empty-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
            color: var(--primary);
            opacity: .4;
        }
        @media (max-width: 767px) {
            .news-card {
                flex-wrap: wrap;
                padding: 14px;
                gap: 8px;
            }
            .news-card .news-title {
                white-space: normal;
                max-width: 100%;
            }
            .news-card .news-summary {
                white-space: normal;
                max-width: 100%;
            }
            .news-card .news-date {
                margin-left: 0;
            }
        }

        /* 首页分栏: 左侧资讯说明 + 右侧图文 */
        .home-columns {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .home-columns .visual-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .home-columns .visual-frame img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            display: block;
        }
        .home-columns .feature-list {
            list-style: none;
            margin: 16px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .home-columns .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            font-size: 15px;
        }
        .home-columns .feature-list li i {
            width: 30px;
            height: 30px;
            background: var(--primary-light);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            flex-shrink: 0;
        }
        @media (max-width: 991px) {
            .home-columns {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: none;
            background: #fff;
        }
        .faq-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            background: #fff;
            padding: 18px 20px;
            border-radius: 0 !important;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\f078';
            background: var(--primary-light);
            border-radius: 50%;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: none;
            content: '\f077';
        }
        .faq-accordion .accordion-body {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
            padding: 16px 20px 20px;
        }
        .faq-section-two-col {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 32px;
            align-items: start;
        }
        .faq-section-two-col .faq-sticky-note {
            position : sticky;
            top: 120px;
        }
        @media (max-width: 991px) {
            .faq-section-two-col {
                grid-template-columns: 1fr;
            }
            .faq-section-two-col .faq-sticky-note {
                position: static;
            }
        }
        .faq-quick-intro {
            background: var(--primary-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            color: var(--primary-dark);
            border: 1px solid rgba(15, 139, 141, .1);
        }
        .faq-quick-intro h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .faq-quick-intro p {
            font-size: 14.5px;
            line-height: 1.75;
            color: var(--primary-dark);
            opacity: .9;
            margin: 0;
        }

        /* 编辑精选 双图 CTA */
        .featured-pair {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .featured-pair-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all .3s;
        }
        .featured-pair-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .featured-pair-item img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .featured-pair-item .featured-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-pair-item .featured-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .featured-pair-item .featured-body p {
            font-size: 14px;
            color: var(--muted);
            flex: 1;
        }
        .featured-pair-item .featured-link {
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            justify-content: space-between;
        }
        .featured-pair-item .featured-link span {
            margin-left: 6px;
            transition: transform .2s;
        }
        .featured-pair-item:hover .featured-link span {
            transform: translateX(4px);
        }
        @media (max-width: 767px) {
            .featured-pair {
                grid-template-columns: 1fr;
            }
        }

        /* 表格样式 */
        .simple-table {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        overflow: hidden;
    }
    .simple-table .table {
        margin: 0;
    }
    .simple-table th {
        background: var(--primary-light);
        font-weight: 650;
        font-size: 14px;
        padding: 12px 16px;
    }
    .simple-table td {
        font-size: 14px;
        padding: 12px 16px;
        color: var(--ink);
        border-color: var(--border);
    }

    /* 数字特性区 */
    .feature-stats-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 14px;
    }
    .stat-item-panel {
        background: #fff;
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        text-align: center;
        padding: 24px 10px;
    }
    .stat-number {
        font-size: 2rem;
        font-weight: 800;
        color: var(--primary-dark);
        font-variant-numeric: tabular-nums;
        line-height: 1.2;
        margin-bottom: 4px;
    }
    .stat-label {
        font-size: 14px;
        color: var(--muted);
    }
    @media (max-width: 640px) {
        .feature-stats-row {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    /* Footer */
    .site-footer {
        background: #183331;
        color: #B8CFCC;
        padding: 56px 0 0;
        position: relative;
    }
    .site-footer::before {
        content: '';
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .15), transparent);
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 30px;
        padding-bottom: 40px;
    }
    .site-footer .footer-brand .brand-logo {
        font-size: 1.5rem;
        margin-bottom: 12px;
        display: block;
        color: #fff;
    }
    .site-footer .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        margin: 0;
        color: #9AB5B2;
    }
    .site-footer h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: .03em;
        margin-bottom: 16px;
    }
    .site-footer ul.footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .site-footer ul.footer-links a {
        color: #9AB5B2;
        font-size: 14px;
        transition: color .2s;
    }
    .site-footer ul.footer-links a:hover {
        color: #fff;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 18px 0;
        font-size: 13px;
        color: #8AA3A0;
    }
    .footer-bottom-inner {
        text-align: center;
    }
    @media (max-width: 991px) {
        .site-footer .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 560px) {
        .site-footer .footer-grid {
            grid-template-columns: 1fr;
        }
    }

    /* 通用响应式 */
    @media (max-width: 1199.98px) {
        .site-header .header-inner {
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 12px;
            font-size: 14px;
        }
        .search-shortcut {
            min-width: 130px;
        }
    }
    @media (max-width: 767.98px) {
        .site-header {
            height: 64px;
        }
        .brand-logo {
            font-size: 1.32rem;
        }
        .hero-title {
            font-size: 1.7rem;
            line-height: 1.3;
        }
        .hero-subtitle {
            font-size: 1rem;
        }
        .btn {
            padding: 8px 18px;
            font-size: 14px;
        }
    }

    /* 访问焦点 */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 3px solid rgba(240, 160, 94, .4);
        outline-offset: 2px;
    }

    .header-vs {
        position: relative;
    }
    .mt-16 {
        margin-bottom: 16px;
    }
    .ratio-4-3-img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
    }
    .word-head h1 {
        font-size: 2.3rem;
        margin: 0;
    }

/* roulang page: category1 */
:root {
            --primary: #0F8B8D;
            --primary-dark: #0A5C61;
            --primary-light: #E0F2F1;
            --accent: #F5A05E;
            --accent-dark: #D97A3F;
            --canvas: #F6F8F7;
            --surface: #FFFFFF;
            --ink: #193331;
            --muted: #6B837F;
            --border: #DFEBE7;
            --body-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --shadow-sm: 0 8px 24px rgba(10, 92, 97, 0.08);
            --shadow-md: 0 18px 42px rgba(10, 92, 97, 0.12);
            --brand-gradient: linear-gradient(135deg, #0A5C61, #0F8B8D 55%, #4DBDB5);
            --accent-gradient: linear-gradient(135deg, #F5A05E, #F7C97C);
            --bs-primary: #0F8B8D;
            --bs-link-color: #0F8B8D;
            --bs-link-hover-color: #0A5C61;
            --bs-border-radius: 20px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            margin: 0;
            font-family: var(--body-font);
            font-size: 16px;
            line-height: 1.75;
            background: var(--canvas);
            color: var(--ink);
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            margin-bottom: 0.5rem;
            line-height: 1.3;
            font-weight: 700;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        .container-page {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        .text-accent {
            color: var(--accent-dark);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1200;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(10, 92, 97, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 18px;
            flex-wrap: nowrap;
        }

        .site-header .left-side,
        .site-header .right-side {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .site-header .left-side {
            min-width: 0;
            flex: 1;
        }

        .site-header .right-side {
            flex-shrink: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            font-weight: 800;
            font-size: 1.42rem;
            letter-spacing: -0.02em;
            color: var(--ink);
        }

        .brand-logo span {
            color: var(--primary);
            margin-left: 2px;
        }

        .brand-logo i {
            color: var(--primary);
        }

        .main-nav {
            margin-left: 6px;
        }

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: 1000px;
            font-weight: 500;
            font-size: 15px;
            color: var(--muted);
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .main-nav a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .main-nav a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .desktop-search {
            display: flex;
            align-items: center;
            width: 220px;
            padding: 8px 14px;
            border: 1px solid var(--border);
            border-radius: 1000px;
            background: var(--surface);
            color: var(--muted);
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .desktop-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(15, 139, 141, 0.10);
        }

        .desktop-search input {
            width: 100%;
            margin-left: 8px;
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 14px;
            color: var(--ink);
        }

        .desktop-search input::placeholder {
            color: #A8BAB6;
        }

        .btn {
            border-radius: 1000px;
            padding: 10px 22px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn-accent-custom {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 10px 24px rgba(10, 92, 97, 0.24);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .btn-accent-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(10, 92, 97, 0.3);
            color: #fff;
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--primary-dark);
            background: rgba(255, 255, 255, 0.6);
        }

        .btn-outline-custom:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-outline-white {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: 14px;
            color: var(--ink);
            cursor: pointer;
            font-size: 18px;
        }

        .mobile-toggle:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* Page hero */
        .page-hero {
            position: relative;
            overflow: hidden;
            padding: 78px 0 84px;
            background: var(--canvas);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 85% 10%, rgba(15, 139, 141, 0.09), transparent 270px),
                radial-gradient(circle at 75% 90%, rgba(245, 160, 94, 0.1), transparent 230px);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.14;
            -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.6), transparent);
            mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.6), transparent);
        }

        .page-hero .container-page {
            position: relative;
            z-index: 2;
        }

        .category-hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
            gap: 52px;
            align-items: center;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 1000px;
            letter-spacing: 0.02em;
        }

        .hero-kicker i {
            color: var(--primary);
            font-size: 12px;
        }

        .page-hero h1 {
            margin: 18px 0 16px;
            font-size: clamp(32px, 4.3vw, 48px);
            line-height: 1.18;
            letter-spacing: -0.025em;
            font-weight: 800;
            color: var(--ink);
            max-width: 620px;
        }

        .page-hero h1 span {
            color: var(--primary-dark);
            background: linear-gradient(120deg, var(--primary-dark), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-lead {
            font-size: 17px;
            line-height: 1.8;
            color: var(--muted);
            max-width: 560px;
            margin-bottom: 18px;
        }

        .hero-note {
            font-size: 13px;
            color: #92A6A2;
            max-width: 480px;
            line-height: 1.6;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin: 28px 0 32px;
        }

        .stat-item {
            padding-left: 16px;
            border-left: 2px solid var(--primary-light);
        }

        .stat-item .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1;
        }

        .stat-item .txt {
            display: block;
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
        }

        .hero-btn-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 18px;
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: flex-end;
        }

        .hero-visual-card {
            position: relative;
            width: min(430px, 100%);
            border-radius: 32px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: 0 24px 60px rgba(10, 92, 97, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.6);
            aspect-ratio: 5 / 5.2;
        }

        .hero-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .hero-visual-card::after {
            content: "";
            position: absolute;
            inset: auto 0 0 0;
            height: 42%;
            background: linear-gradient(to top, rgba(10, 92, 97, 0.72), transparent);
        }

        .hero-img-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            right: 18px;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
        }

        .hero-img-badge .badge-title {
            font-weight: 700;
            font-size: 15px;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
        }

        .hero-img-badge .badge-text {
            font-size: 13px;
            opacity: 0.9;
        }

        .floating-card {
            position: absolute;
            left: -22px;
            bottom: -16px;
            background: var(--surface);
            border-radius: 18px;
            box-shadow: var(--shadow-md);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            border: 1px solid var(--border);
            z-index: 3;
        }

        .floating-card .fl-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
        }

        .floating-card .fl-title {
            font-weight: 700;
            font-size: 14px;
            color: var(--ink);
        }

        .floating-card .fl-meta {
            font-size: 12px;
            color: var(--muted);
        }

        .hero-vertical-line {
            position: absolute;
            right: 18%;
            top: 24px;
            width: 80px;
            height: 90px;
            background: linear-gradient(180deg, var(--accent), transparent);
            border-radius: 100px;
            opacity: 0.35;
            filter: blur(6px);
        }

        /* sections */
        .site-section {
            padding: 92px 0;
        }

        .site-section.bg-white {
            background: var(--surface);
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 46px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 7px 15px;
            border-radius: 1000px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .section-label i {
            color: var(--primary);
        }

        .section-title {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .section-lead {
            font-size: 16.5px;
            color: var(--muted);
            line-height: 1.85;
            margin-top: 10px;
        }

        .section-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-center .section-lead {
            margin-left: auto;
            margin-right: auto;
        }

        /* quick nav */
        .quick-section {
            padding-top: 52px;
        }

        .quick-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.95fr 0.95fr;
            gap: 22px;
            align-items: stretch;
        }

        .quick-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .quick-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 139, 141, 0.35);
        }

        .quick-card .icon-holder {
            width: 48px;
            height: 48px;
            border-radius: 15px;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            margin-bottom: 18px;
        }

        .quick-card .quick-index {
            position: absolute;
            top: 22px;
            right: 24px;
            font-size: 13px;
            font-weight: 800;
            color: rgba(15, 139, 141, 0.25);
            letter-spacing: 0.04em;
        }

        .quick-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .quick-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .quick-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
            text-decoration: none;
            background: transparent;
            border: 0;
            padding: 0;
        }

        .quick-link:hover {
            color: var(--accent-dark);
        }

        /* entry split feature */
        .entry-split-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
            gap: 24px;
            align-items: stretch;
        }

        .entry-feature-card {
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(10, 92, 97, 0.04), rgba(15, 139, 141, 0.08));
            border: 1px solid var(--border);
            padding: 38px 36px;
            position: relative;
            overflow: hidden;
            background-color: var(--surface);
        }

        .entry-feature-card::before {
            content: "";
            position: absolute;
            right: -48px;
            top: -48px;
            width: 190px;
            height: 190px;
            background: radial-gradient(circle, rgba(15, 139, 141, 0.1), transparent 70%);
            border-radius: 50%;
        }

        .entry-feature-card .entry-tag {
            display: inline-flex;
            gap: 6px;
            align-items: center;
            background: var(--accent);
            background: var(--accent-gradient);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 13px;
            border-radius: 1000px;
            margin-bottom: 16px;
        }

        .entry-feature-card h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 12px;
        }

        .entry-feature-card .entry-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--muted);
            margin-bottom: 22px;
        }

        .entry-chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 26px;
        }

        .entry-chip-list .chip {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 1000px;
            font-size: 13px;
            color: var(--ink);
            padding: 7px 14px;
            font-weight: 500;
        }

        .entry-feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--primary);
        }

        .entry-feature-card .entry-img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 180px;
            object-fit: cover;
            margin-top: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .entry-mini-groups {
            display: flex;
            flex-direction: column;
            gap: 24px;
            height: 100%;
        }

        .entry-mini-card {
            flex: 1;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.2s ease;
        }

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

        .entry-mini-card .mini-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 16px;
            margin-bottom: 14px;
        }

        .entry-mini-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .entry-mini-card p {
            font-size: 14.5px;
            line-height: 1.75;
            color: var(--muted);
            margin-bottom: 14px;
        }

        .text-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
        }

        /* check section */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.2s ease;
        }

        .step-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .step-number {
            width: 64px;
            height: 64px;
            border-radius: 22px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 18px;
            font-variant-numeric: tabular-nums;
            border: 1px solid rgba(15, 139, 141, 0.1);
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14.5px;
            line-height: 1.75;
            color: var(--muted);
            margin: 0;
        }

        .step-note {
            margin-top: 36px;
            background: rgba(245, 160, 94, 0.11);
            border: 1px solid rgba(245, 160, 94, 0.32);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            color: var(--ink);
            font-size: 15px;
        }

        .step-note i {
            color: var(--accent-dark);
            font-size: 18px;
            margin-top: 4px;
        }

        /* info note */
        .info-area {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 28px;
            align-items: center;
        }

        .info-note-card {
            background: linear-gradient(135deg, rgba(10, 92, 97, 0.97), rgba(15, 139, 141, 1));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 36px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(10, 92, 97, 0.22);
        }

        .info-note-card::after {
            content: "";
            position: absolute;
            width: 150px;
            height: 150px;
            right: -30px;
            top: -30px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
        }

        .info-note-card h3 {
            font-size: 23px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .info-note-card p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 15.5px;
            line-height: 1.8;
        }

        .info-note-card .info-rule {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            font-size: 14px;
            color: #fff;
            background: rgba(255, 255, 255, 0.15);
            padding: 10px 16px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .compare-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-card .table {
            margin: 0;
            --bs-table-bg: transparent;
        }

        .compare-card .table thead th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 14px;
            border: 0;
            padding: 16px 20px;
        }

        .compare-card .table td {
            padding: 18px 20px;
            vertical-align: top;
            border-top: 1px solid var(--border);
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.7;
        }

        .compare-card .table td strong {
            color: var(--ink);
        }

        /* FAQ section */
        .faq-panel {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-panel .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: 0 4px 14px rgba(10, 92, 97, 0.04);
        }

        .faq-panel .accordion-button {
            padding: 20px 24px;
            font-size: 16.5px;
            font-weight: 700;
            color: var(--ink);
            background: var(--surface);
            box-shadow: none;
            border: 0;
        }

        .faq-panel .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: none;
        }

        .faq-panel .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(245, 160, 94, 0.25);
            border-color: var(--accent);
        }

        .faq-panel .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            background-size: contain;
            background: var(--primary-light);
            border-radius: 50%;
            font-size: 13px;
            transition: transform 0.25s ease;
        }

        .faq-panel .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: #fff;
            background: var(--primary);
        }

        .faq-panel .accordion-body {
            padding: 20px 24px 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
            background: var(--surface);
            border-top: 1px solid var(--border);
        }

        /* CTA band */
        .cta-section {
            padding-bottom: 100px;
        }

        .cta-band {
            background: linear-gradient(135deg, #0A5C61 0%, #0F8B8D 58%, #27A29A 100%);
            border-radius: var(--radius-lg);
            padding: 54px 52px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(10, 92, 97, 0.2);
        }

        .cta-band::before {
            content: "";
            position: absolute;
            right: -70px;
            top: -70px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-band h2 {
            color: #fff;
            font-size: clamp(25px, 3vw, 34px);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-band p {
            color: rgba(255, 255, 255, 0.86);
            font-size: 16px;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 26px;
            position: relative;
            z-index: 1;
        }

        .cta-band .btn-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-band .btn-white-solid {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .cta-band .btn-white-solid:hover {
            transform: translateY(-2px);
            color: var(--primary);
        }

        /* footer */
        .site-footer {
            background: var(--ink);
            color: #C9D9D5;
            padding-top: 66px;
            position: relative;
            font-size: 14.5px;
        }

        .site-footer a {
            color: #B7C9C5;
            transition: color 0.2s, padding-left 0.2s;
        }

        .site-footer a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.9fr 0.9fr 1.2fr;
            gap: 44px;
            padding-bottom: 42px;
        }

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

        .footer-brand .brand-logo i,
        .footer-brand .brand-logo span {
            color: var(--primary-light);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.85;
            color: #A5B9B5;
            width: 90%;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

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

        .footer-links li,
        .footer-other-links li {
            margin-bottom: 4px;
        }

        .footer-links a,
        .footer-other-links a {
            display: inline-block;
            padding: 5px 0;
            font-size: 14px;
            text-decoration: none;
        }

        .footer-note-text {
            font-size: 13px;
            line-height: 1.8;
            color: #A5B9B5;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.09);
            padding: 18px 0;
            text-align: center;
        }

        .footer-bottom-inner {
            color: #8FA8A3;
            font-size: 13px;
        }

        .footer-bottom-inner a {
            color: #CFE0DC;
            text-decoration: none;
        }

        .footer-bottom-inner a:hover {
            color: #fff;
            padding-left: 3px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(245, 160, 94, 0.5);
            outline-offset: 2px;
            border-radius: 8px;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .container-page {
                padding-right: 24px;
                padding-left: 24px;
            }

            .desktop-search {
                width: 180px;
            }

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

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

            .quick-card:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 991px) {
            .site-header .left-side {
                gap: 8px;
            }

            .main-nav.desktop-nav {
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                display: none;
                padding: 16px;
                border-radius: 20px;
                background: var(--surface);
                box-shadow: 0 20px 50px rgba(10, 92, 97, 0.18);
                border: 1px solid var(--border);
                width: auto;
                margin: 0;
            }

            body.mobile-nav-open .main-nav.desktop-nav {
                display: block;
            }

            .main-nav ul {
                flex-direction: column;
                gap: 6px;
                align-items: stretch;
            }

            .main-nav a {
                display: block;
                padding: 11px 16px;
                border-radius: 14px;
            }

            .desktop-search {
                display: none;
            }

            .right-side {
                gap: 8px;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 44px;
            }

            .hero-lead,
            .page-hero h1 {
                max-width: 100%;
            }

            .hero-visual {
                justify-content: center;
                margin-top: 6px;
            }

            .hero-visual-card {
                width: 82%;
            }

            .step-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .entry-split-grid {
                grid-template-columns: 1fr;
            }

            .entry-mini-groups {
                display: grid;
                grid-template-columns: 1fr 1fr;
                height: auto;
            }

            .info-area {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 767px) {
            .site-header .left-side {
                gap: 6px;
            }

            .header-inner {
                padding-top: 12px;
                padding-bottom: 12px;
                min-height: auto;
                gap: 10px;
            }

            .brand-logo {
                font-size: 1.12rem;
            }

            .main-nav.desktop-nav {
                left: 12px;
                right: 12px;
            }

            .page-hero {
                padding: 54px 0 70px;
            }

            .hero-stats {
                gap: 16px;
                margin: 22px 0 28px;
            }

            .stat-item .num {
                font-size: 20px;
            }

            .stat-item .txt {
                font-size: 12px;
            }

            .hero-btn-row .btn {
                width: 100%;
            }

            .hero-visual-card {
                width: 100%;
                aspect-ratio: 4 / 4.6;
            }

            .floating-card {
                left: 10px;
                bottom: -14px;
                padding: 10px 14px;
                font-size: 13px;
            }

            .floating-card .fl-meta {
                display: none;
            }

            .site-section {
                padding: 64px 0;
            }

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

            .quick-card:first-child {
                grid-column: auto;
            }

            .entry-feature-card {
                padding: 26px 24px;
            }

            .entry-mini-groups {
                grid-template-columns: 1fr;
            }

            .step-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .step-note {
                flex-direction: column;
                padding: 18px;
            }

            .compare-card .table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }

            .info-area {
                gap: 20px;
            }

            .info-note-card {
                padding: 26px;
            }

            .cta-band {
                padding: 38px 24px;
                border-radius: 24px;
            }

            .cta-band .btn-row .btn {
                width: 100%;
            }

            .site-section .btn-row .btn,
            .hero-btn-row .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
                padding-bottom: 32px;
            }

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

            .footer-brand p {
                width: 100%;
            }

            .site-footer {
                padding-top: 48px;
            }
        }

        @media (min-width: 576px) and (max-width: 767px) {
            .entry-mini-groups {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 30px;
            }

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

            .section-title {
                font-size: 24px;
            }

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

            .footer-brand {
                grid-column: auto;
            }
        }

/* roulang page: article */
:root {
            --primary: #0F8B8D;
            --primary-dark: #0A5C61;
            --primary-light: #E0F2F1;
            --accent: #F5A05E;
            --accent-dark: #D97A3F;
            --canvas: #F6F8F7;
            --surface: #FFFFFF;
            --ink: #193331;
            --muted: #6B837F;
            --border: #DFEBE7;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --shadow-1: 0 6px 22px rgba(10, 92, 97, .08);
            --shadow-2: 0 16px 44px rgba(10, 92, 97, .14);
            --footer-bg: #12332F;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --bs-primary: var(--primary);
            --bs-link-color: var(--primary);
            --bs-border-radius: var(--radius-md);
            color-scheme: light;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--canvas);
            color: var(--ink);
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        ul,
        ol,
        dl,
        dd,
        p,
        figure,
        blockquote {
            margin: 0;
            padding: 0;
        }

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

        .container-page {
            width: min(1200px, 100% - 48px);
            margin-left: auto;
            margin-right: auto;
        }

        .page-shell {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(245, 160, 94, .46);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            min-height: 72px;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(223, 235, 231, .85);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .left-side {
            display: flex;
            align-items: center;
            gap: 30px;
            min-width: 0;
            flex: 1;
        }

        .right-side {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            font-size: 21px;
            font-weight: 800;
            letter-spacing: -.3px;
            color: var(--ink);
            white-space: nowrap;
            line-height: 1.2;
        }

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

        .brand-logo i {
            color: var(--primary);
            font-size: 17px;
        }

        .main-nav ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-block;
            padding: 9px 17px;
            border-radius: 1000px;
            color: var(--muted);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            transition: background .2s ease, color .2s ease, box-shadow .2s ease;
        }

        .main-nav a:hover {
            color: var(--primary-dark);
            background: rgba(15, 139, 141, .08);
        }

        .main-nav a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .search-shortcut {
            display: none;
            align-items: center;
            gap: 10px;
            background: var(--canvas);
            border: 1px solid var(--border);
            border-radius: 1000px;
            padding: 0 8px 0 17px;
            width: clamp(170px, 19vw, 230px);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .search-shortcut:focus-within {
            border-color: rgba(15, 139, 141, .45);
            box-shadow: 0 0 0 4px rgba(15, 139, 141, .08);
        }

        .search-shortcut i {
            color: var(--muted);
            font-size: 14px;
        }

        .search-shortcut input {
            width: 100%;
            background: transparent;
            border: 0;
            outline: 0;
            height: 44px;
            font-size: 14px;
            color: var(--ink);
            padding: 0 8px 0 0;
        }

        .search-shortcut input::placeholder {
            color: var(--muted);
        }

        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, #4DBDB5);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            height: 44px;
            line-height: 1;
            padding: 0 20px;
            border-radius: 1000px;
            box-shadow: 0 8px 20px rgba(10, 92, 97, .22);
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }

        .btn-accent-custom:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(10, 92, 97, .24);
        }

        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 0;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 18px;
            cursor: pointer;
            transition: background .2s ease, transform .2s ease;
        }

        .mobile-toggle:hover {
            background: rgba(15, 139, 141, .18);
            transform: scale(1.04);
        }

        .mobile-nav {
            display: none;
            margin: 10px 16px 16px;
            padding: 18px 6px;
            background: #fff;
            border: 1px solid rgba(223, 235, 231, .95);
            border-radius: 22px;
            box-shadow: 0 18px 44px rgba(10, 92, 97, .16);
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 10px;
            margin: 0;
        }

        .mobile-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 14px;
            color: var(--ink);
            font-weight: 600;
        }

        .mobile-nav a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .mobile-nav a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        /* Article Hero */
        .breadcrumb-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            padding: 24px 0 14px;
        }

        .breadcrumb-row a {
            color: var(--muted);
            text-decoration: none;
        }

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

        .breadcrumb-arrow {
            opacity: .55;
            font-size: 12px;
        }

        .breadcrumb-current {
            color: var(--ink);
            font-weight: 600;
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-hero-card {
            border-radius: var(--radius-lg);
            padding: clamp(30px, 4vw, 46px);
            color: #fff;
            background:
                linear-gradient(125deg, rgba(10, 92, 97, .98) 0%, rgba(15, 139, 141, .93) 54%, rgba(77, 189, 181, .78) 100%),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            box-shadow: 0 18px 46px rgba(10, 92, 97, .20);
            overflow: hidden;
            position: relative;
        }

        .article-hero-card::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--accent), var(--accent-dark));
            border-radius: 100% 100% 0 0;
        }

        .hero-kicker {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .hero-kicker .cate-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .25);
            padding: 7px 14px;
            border-radius: 1000px;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }

        .article-hero-card h1 {
            max-width: 860px;
            margin: 0 0 16px;
            color: #fff;
            font-size: clamp(27px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -.02em;
            text-shadow: 0 2px 18px rgba(0, 0, 0, .12);
        }

        .article-hero-summary {
            max-width: 820px;
            margin-bottom: 22px;
            color: rgba(255, 255, 255, .92);
            font-size: 15px;
            line-height: 1.8;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .hero-meta-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            color: rgba(255, 255, 255, .9);
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, .22);
            padding-top: 18px;
        }

        .hero-meta-list i {
            color: rgba(255, 255, 255, .78);
            margin-right: 7px;
        }
        /* Article Layout */
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 30px;
            align-items: start;
            padding: 28px 0 68px;
        }

        .article-main {
            min-width: 0;
            max-width: 880px;
        }

        .article-paper {
            background: var(--surface);
            border: 1px solid rgba(223, 235, 231, .9);
            border-radius: 24px;
            padding: clamp(24px, 4vw, 42px);
            box-shadow: 0 12px 34px rgba(10, 92, 97, .07);
        }

        .article-text {
            color: #28423E;
            font-size: 16px;
            line-height: 1.9;
        }

        .article-text> :first-child {
            margin-top: 0;
        }

        .article-text p {
            margin: 0 0 1.25rem;
        }

        .article-text h2 {
            margin: 2.2rem 0 1.1rem;
            padding: .1rem 0 .1rem 1rem;
            border-left: 5px solid var(--primary);
            color: var(--primary-dark);
            font-size: 1.55rem;
            font-weight: 800;
            line-height: 1.45;
        }

        .article-text h3 {
            margin: 2rem 0 1rem;
            color: var(--primary-dark);
            font-size: 1.22rem;
            font-weight: 750;
            line-height: 1.5;
        }

        .article-text h4 {
            margin: 1.75rem 0 .85rem;
            color: var(--ink);
            font-size: 1.08rem;
            font-weight: 700;
        }

        .article-text ul,
        .article-text ol {
            padding-left: 1.45rem;
            margin: 0 0 1.3rem;
        }

        .article-text li {
            margin-bottom: .45rem;
        }

        .article-text li::marker {
            color: var(--primary);
        }

        .article-text a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-text a:hover {
            color: var(--accent-dark);
        }

        .article-text img {
            width: auto;
            max-width: 100%;
            border-radius: 16px;
            box-shadow: var(--shadow-1);
            margin: 1.6rem auto;
        }

        .article-text blockquote {
            border-left: 4px solid var(--accent);
            background: #FFF8F1;
            padding: 1rem 1.4rem;
            border-radius: 0 16px 16px 0;
            color: #5E4B3A;
            margin: 1.6rem 0;
        }

        .article-text table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: 14px;
        }

        .article-text th,
        .article-text td {
            border: 1px solid var(--border);
            padding: .8rem 1rem;
            text-align: left;
        }

        .article-text th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .article-text code {
            background: #EDF5F3;
            color: var(--primary-dark);
            padding: .1rem .35rem;
            border-radius: 6px;
            font-size: .9em;
        }

        .article-text figure {
            margin: 1.6rem 0;
        }

        .article-text figcaption {
            color: var(--muted);
            font-size: 13px;
            text-align: center;
            margin-top: .5rem;
        }

        .info-callout {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--primary-light);
            border: 1px solid rgba(15, 139, 141, .16);
            border-radius: 18px;
            padding: 20px 22px;
            margin: 34px 0 8px;
            color: var(--primary-dark);
        }

        .info-callout i {
            margin-top: 4px;
            color: var(--primary);
            font-size: 18px;
        }

        .info-callout strong {
            display: block;
            margin-bottom: 4px;
            font-weight: 700;
        }

        .info-callout span,
        .info-callout p {
            font-size: 14px;
            line-height: 1.8;
        }

        .article-pager {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 34px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 14px;
            height: 46px;
            padding: 0 20px;
            border-radius: 1000px;
            transition: all .2s ease;
        }

        .btn-outline-custom:hover {
            background: rgba(15, 139, 141, .08);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 92, 97, .12);
        }
        /* Aside */
        .article-aside {
            display: grid;
            gap: 18px;
            position: sticky;
            top: 92px;
        }

        .aside-card {
            background: var(--surface);
            border: 1px solid rgba(223, 235, 231, .9);
            border-radius: 20px;
            padding: 22px;
            box-shadow: var(--shadow-1);
        }

        .aside-card-media {
            padding: 0;
            overflow: hidden;
        }

        .aside-card-media img {
            width: 100%;
            height: 158px;
            object-fit: cover;
            border-radius: 20px 20px 0 0;
        }

        .aside-media-body {
            padding: 16px 20px 20px;
        }

        .aside-media-body h4 {
            margin: 0 0 4px;
            font-size: 17px;
            font-weight: 750;
            color: var(--ink);
        }

        .aside-media-body p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .aside-media-body a {
            font-size: 13px;
            font-weight: 700;
        }

        .aside-card-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 750;
            color: var(--ink);
            padding-bottom: 14px;
            margin-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }

        .aside-card-title i {
            color: var(--primary);
        }

        .article-info-list {
            display: grid;
            gap: 12px;
            margin: 0;
        }

        .article-info-list div {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 14px;
        }

        .article-info-list dt {
            width: 56px;
            color: var(--muted);
            flex-shrink: 0;
        }

        .article-info-list dd {
            color: var(--ink);
            font-weight: 600;
            word-break: break-word;
            min-width: 0;
        }

        .side-nav-list {
            list-style: none;
            display: grid;
            gap: 6px;
        }

        .side-nav-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 13px;
            border-radius: 14px;
            color: var(--ink);
            font-weight: 600;
            font-size: 14px;
            background: var(--canvas);
            transition: background .2s ease, color .2s ease, box-shadow .2s ease;
        }

        .side-nav-list a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: 0 4px 12px rgba(10, 92, 97, .08);
            transform: translateX(2px);
        }

        .side-nav-list a i.text-primary {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }

        .side-nav-list small {
            margin-left: auto;
            font-size: 11px;
            color: var(--muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .aside-note {
            font-size: 13px;
            line-height: 1.75;
            color: var(--muted);
            margin: 0;
        }

        .aside-note i {
            color: var(--accent);
            margin-right: 5px;
        }
        /* Bottom CTA */
        .bottom-cta-section {
            margin-bottom: 70px;
        }

        .bottom-cta {
            position: relative;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            border-radius: var(--radius-lg);
            padding: clamp(32px, 5vw, 52px);
            background:
                linear-gradient(125deg, rgba(10, 92, 97, .96), rgba(15, 139, 141, .9), rgba(77, 189, 181, .85)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            box-shadow: 0 20px 50px rgba(10, 92, 97, .16);
        }

        .bottom-cta-content {
            max-width: 620px;
        }

        .cta-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 700;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: 1000px;
            padding: 7px 14px;
            margin-bottom: 15px;
            color: #fff;
        }

        .bottom-cta h2 {
            color: #fff;
            margin: 0 0 10px;
            font-size: clamp(23px, 3vw, 32px);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -.01em;
        }

        .bottom-cta p {
            color: rgba(255, 255, 255, .9);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        .bottom-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-white-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 0;
            color: var(--primary-dark);
            font-weight: 750;
            height: 48px;
            padding: 0 24px;
            border-radius: 1000px;
            font-size: 15px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .10);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .btn-white-custom:hover {
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(0, 0, 0, .14);
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .8);
            color: #fff;
            font-weight: 700;
            height: 48px;
            padding: 0 24px;
            border-radius: 1000px;
            font-size: 15px;
            transition: all .2s ease;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }
        /* Empty state */
        .missing-section {
            padding: 90px 0 105px;
            min-height: 50vh;
        }

        .empty-state {
            max-width: 720px;
            margin: 0 auto;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 28px;
            padding: 54px 30px;
            text-align: center;
            box-shadow: var(--shadow-1);
        }

        .empty-state .empty-icon {
            width: 72px;
            height: 72px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: 50%;
            color: var(--primary);
            font-size: 28px;
            margin-bottom: 18px;
        }

        .empty-state h1,
        .empty-state h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .empty-state p {
            color: var(--muted);
            max-width: 440px;
            margin: 0 auto 22px;
            font-size: 15px;
        }
        /* Footer */
        .site-footer {
            margin-top: auto;
            background: var(--footer-bg);
            color: #A9C5C2;
            font-size: 14px;
        }

        .site-footer .container-page {
            padding-top: 54px;
            padding-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
            gap: 42px;
            padding-bottom: 46px;
        }

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

        .footer-brand .brand-logo span {
            color: #5EC9C2;
        }

        .footer-brand .brand-logo i {
            color: #5EC9C2;
        }

        .footer-brand p {
            max-width: 330px;
            color: rgba(255, 255, 255, .62);
            font-size: 13px;
            line-height: 1.75;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 750;
            margin: 4px 0 16px;
            letter-spacing: .02em;
        }

        .footer-links {
            list-style: none;
            display: grid;
            gap: 2px;
            padding: 0;
            margin: 0;
        }

        .footer-links a {
            display: inline-block;
            padding: 5px 0;
            color: rgba(255, 255, 255, .72);
            font-size: 13px;
            transition: color .2s ease, transform .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-bottom-inner {
            padding: 20px 0 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
            gap: 8px;
        }
        /* Bootstrap overrides */
        .btn {
            --bs-btn-border-radius: 1000px;
        }

        .btn-primary {
            --bs-btn-bg: var(--primary);
            --bs-btn-border-color: var(--primary);
        }

        .text-primary {
            color: var(--primary) !important;
        }

        .text-bg-primary {
            background: var(--primary);
        }

        a {
            text-decoration-thickness: 1px;
        }

        @media (min-width: 768px) {
            .search-shortcut {
                display: flex;
            }
        }

        @media (min-width: 992px) {
            .desktop-nav {
                display: block;
            }

            .mobile-toggle {
                display: none;
            }

            .mobile-nav {
                display: none !important;
            }
        }

        @media (max-width: 991.98px) {
            .header-inner {
                gap: 12px;
            }

            .left-side {
                gap: 14px;
            }

            .desktop-nav {
                display: none;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-aside {
                position: static;
            }
        }

        @media (max-width: 767.98px) {
            .container-page {
                width: min(100% - 32px, 1200px);
            }

            .brand-logo {
                font-size: 18px;
            }

            .header-inner {
                min-height: 64px;
            }

            .site-header {
                min-height: 64px;
            }

            .search-shortcut {
                display: none;
            }

            .article-hero-card {
                padding: 24px 20px;
                border-radius: 22px;
            }

            .article-hero-summary {
                -webkit-line-clamp: 2;
            }

            .article-paper {
                padding: 20px 18px;
                border-radius: 18px;
            }

            .article-text {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-text h2 {
                font-size: 1.38rem;
            }

            .article-layout {
                padding-bottom: 46px;
                gap: 20px;
            }

            .bottom-cta {
                flex-direction: column;
                align-items: flex-start;
                border-radius: 22px;
                padding: 28px 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 34px 22px;
                padding-bottom: 36px;
            }

            .site-footer .container-page {
                padding-top: 42px;
            }
        }

        @media (max-width: 575.98px) {
            .brand-logo {
                font-size: 17px;
            }

            .left-side {
                gap: 6px;
            }

            .right-side {
                gap: 8px;
            }

            .btn-accent-custom {
                padding: 0 15px;
                font-size: 13px;
            }

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

            .footer-bottom-inner {
                text-align: center;
                line-height: 1.7;
                flex-direction: column;
                gap: 2px;
            }

            .article-pager .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0F8B8D;
  --primary-dark: #0A5C61;
  --primary-light: #E0F2F1;
  --accent: #F5A05E;
  --accent-dark: #D97A3F;
  --accent-light: #FFF3E9;
  --canvas: #F6F8F7;
  --surface: #FFFFFF;
  --ink: #193331;
  --muted: #6B837F;
  --border: #DFEBE7;
  --radius-card: 20px;
  --radius-large: 28px;
  --shadow-main: 0 10px 30px rgba(10, 92, 97, .08);
  --shadow-hover: 0 18px 40px rgba(10, 92, 97, .14);
  --gradient-brand: linear-gradient(135deg, #0A5C61, #0F8B8D 55%, #4DBDB5);
  --gradient-warm: linear-gradient(135deg, #F5A05E, #F7C97C);
  --bs-primary: #0F8B8D;
  --bs-link-color: #0F8B8D;
  --bs-border-radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button, input { font-family: inherit; }
.container-page {
  width: min(1200px, 92%);
  margin: 0 auto;
}
.section-pad { padding: 84px 0; }
.section-pad-sm { padding: 56px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 1000px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 14px;
}
.section-lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 720px;
  margin: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 1000px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 26px;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible {
  outline: 3px solid rgba(245,160,94,.45);
  outline-offset: 2px;
}
.btn-primary-custom {
  background: var(--gradient-brand);
  color: #fff !important;
  box-shadow: 0 12px 26px rgba(15,139,141,.24);
}
.btn-primary-custom:hover { box-shadow: 0 16px 34px rgba(10,92,97,.28); }
.btn-outline-custom {
  color: var(--primary-dark);
  border-color: rgba(15, 139, 141, .45);
  background: rgba(255,255,255,.7);
}
.btn-outline-custom:hover { border-color: var(--primary); background: var(--primary-light); }
.btn-warm-custom {
  background: var(--gradient-warm);
  color: #3d2a1a;
  box-shadow: 0 12px 26px rgba(245,160,94,.24);
}
.btn-warm-custom:hover { box-shadow: 0 16px 34px rgba(217,122,63,.28); }
.btn-white-ghost {
  border: 1px solid rgba(255,255,255,.65);
  color: #fff;
  background: rgba(255,255,255,.16);
}
.btn-white-ghost:hover { background: rgba(255,255,255,.24); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(223,235,231,.9);
  backdrop-filter: blur(12px);
  box-shadow: 0 6px 20px rgba(10,92,97,.06);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
}
.left-side {
  display: flex;
  align-items: center;
  gap: 28px;
  min-width: 0;
}
.brand-logo {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}
.brand-logo span { color: var(--primary); }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 1000px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  transition: background .25s ease, color .25s ease;
}
.main-nav a:hover { color: var(--primary-dark); background: var(--primary-light); }
.main-nav a.active {
  color: var(--primary-dark);
  background: var(--primary-light);
}
.right-side {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-shortcut {
  display: flex;
  align-items: center;
  gap: 9px;
  background: #f9fbfa;
  border: 1px solid var(--border);
  border-radius: 1000px;
  padding: 9px 16px;
  width: 200px;
}
.search-shortcut i { color: var(--primary); font-size: 14px; }
.search-shortcut input {
  border: 0;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 13px;
  color: var(--ink);
}
.search-shortcut input::placeholder { color: var(--muted); }
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary-dark);
  font-size: 17px;
  align-items: center;
  justify-content: center;
}

/* Hero */
.category-hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 70px;
  background:
    radial-gradient(circle at 82% 12%, rgba(245,160,94,.14) 0, transparent 36%),
    radial-gradient(circle at 12% 80%, rgba(15,139,141,.11) 0, transparent 35%),
    linear-gradient(135deg, #eef7f4, #f7fafa 44%, #fff5ec);
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-position: right top;
  background-size: 46%;
  background-repeat: no-repeat;
  opacity: .28;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  align-items: center;
  row-gap: 40px;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 24px;
  color: var(--muted);
}
.hero-breadcrumb a { color: var(--primary); font-weight: 600; }
.hero-breadcrumb i { font-size: 10px; color: var(--border); }
.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.hero-kicker .tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  border: 1px solid rgba(15,139,141,.12);
  border-radius: 1000px;
  padding: 7px 14px;
}
.category-hero h1 {
  font-size: clamp(34px, 4.5vw, 50px);
  line-height: 1.24;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  max-width: 720px;
}
.category-hero h1 .text-mark {
  color: var(--primary);
  position: relative;
}
.hero-lead {
  font-size: 17px;
  line-height: 1.95;
  color: #36504c;
  max-width: 620px;
  margin: 0 0 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-note {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.hero-note i { color: var(--accent); }
.hero-visual {
  position: relative;
  min-height: 420px;
}
.hero-card-glow {
  position: absolute;
  inset: auto 8px 10px auto;
  width: 78%;
  height: 72%;
  background: linear-gradient(135deg, rgba(15,139,141,.22), rgba(245,160,94,.28));
  filter: blur(30px);
  border-radius: 40px;
  z-index: 0;
}
.main-visual-card {
  position: relative;
  z-index: 2;
  margin-left: auto;
  width: min(430px, 92%);
  background: #fff;
  border: 1px solid rgba(223,235,231,.9);
  border-radius: var(--radius-large);
  padding: 18px;
  box-shadow: var(--shadow-hover);
  transform: rotate(1.2deg);
}
.visual-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 18px 18px 14px 14px;
}
.visual-card-body { padding: 14px 6px 6px; }
.visual-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink);
}
.visual-card-body p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}
.float-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 1000px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-main);
  background: #fff;
  border: 1px solid rgba(223,235,231,.9);
  color: var(--ink);
}
.float-chip i { color: var(--primary); }
.chip-one { left: 2%; top: 18%; }
.chip-two { right: 2%; bottom: 11%; background: #fff; }
.chip-two i { color: var(--accent); }

/* Section head */
.section-head {
  margin-bottom: 44px;
}
.section-head .section-lead {
  margin-top: 10px;
}

/* Scene grid */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.scene-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 30px;
  min-height: 220px;
  box-shadow: 0 6px 16px rgba(10,92,97,.04);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.scene-card:hover {
  transform: translateY(-5px);
  border-color: rgba(15,139,141,.35);
  box-shadow: var(--shadow-hover);
}
.scene-card.c-7 { grid-column: span 7; }
.scene-card.c-5 { grid-column: span 5; }
.scene-card.c-4 { grid-column: span 4; }
.scene-full { grid-column: 1 / -1; }
.scene-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 19px;
  margin-bottom: 20px;
}
.scene-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}
.scene-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}
.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.scene-tags span {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 1000px;
  background: var(--canvas);
  color: var(--primary-dark);
  border: 1px solid var(--border);
}
.scene-tags span.risk { background: var(--accent-light); color: var(--accent-dark); border-color: rgba(245,160,94,.35); }

/* Checklist */
.checklist-section {
  background: linear-gradient(180deg, #f0f8f6, #f7fbfa);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.check-panel {
  background: #fff;
  border-radius: 24px;
  padding: 34px;
  border: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.check-panel:hover { box-shadow: var(--shadow-main); }
.check-panel.positive { border-top: 4px solid var(--primary); }
.check-panel.negative { border-top: 4px solid var(--accent); }
.check-panel-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.check-panel-header .panel-symbol {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.positive .panel-symbol { background: var(--primary-light); color: var(--primary); }
.negative .panel-symbol { background: var(--accent-light); color: var(--accent-dark); }
.check-panel h3 { font-size: 20px; font-weight: 700; margin: 0; }
.check-list { display: grid; gap: 14px; margin-top: 8px; }
.check-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}
.check-list li i {
  margin-top: 6px;
  font-size: 13px;
  flex: 0 0 auto;
}
.positive .check-list li i { color: var(--primary); }
.negative .check-list li i { color: var(--accent-dark); }
.check-extra {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.check-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--canvas);
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  margin-top: 36px;
  font-size: 13px;
  color: var(--muted);
}
.check-note i { color: var(--accent); margin-top: 4px; }

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step-item {
  position: relative;
  border-radius: var(--radius-card);
  background: #fff;
  border: 1px solid var(--border);
  padding: 28px 24px 24px;
  min-height: 200px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-light), #d0ece8);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 17px;
  margin-bottom: 18px;
}
.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

/* Info band */
.help-band {
  border-radius: 36px;
  background: var(--gradient-brand);
  position: relative;
  overflow: hidden;
  padding: 60px 56px;
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 44px;
  align-items: center;
}
.help-band::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
}
.help-band h2 {
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 14px;
}
.help-band p {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255,255,255,.9);
  max-width: 620px;
}
.help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  position: relative;
  z-index: 2;
}
.help-steps {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}
.help-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,.1);
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.7;
}
.help-step i { margin-top: 5px; color: #FFE1C2; }

/* FAQ */
.faq-section {
  background: var(--canvas);
}
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
}
.faq-accordion .accordion-item {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 18px !important;
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: 0 4px 14px rgba(10,92,97,.04);
}
.faq-accordion .accordion-item:last-child { margin-bottom: 0; }
.faq-accordion .accordion-header { border: 0; background: transparent; }
.faq-accordion .accordion-button {
  background: #fff;
  border: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  padding: 20px 22px;
  box-shadow: none !important;
  align-items: center;
  gap: 12px;
  position: relative;
}
.faq-accordion .accordion-button::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 12px;
  transition: transform .3s;
}
.faq-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  background-color: var(--primary);
  color: #fff;
}
.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--primary-dark);
  background: #fff;
}
.faq-accordion .accordion-body {
  padding: 4px 24px 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  border-top: 1px dashed var(--border);
}

/* Final CTA */
.final-cta {
  position: relative;
  background: #fff;
  overflow: hidden;
}
.final-cta-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  background: linear-gradient(135deg, #fff 0%, var(--canvas) 70%);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 44px 48px;
  align-items: center;
}
.final-cta h2 {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 10px;
}
.final-cta p { color: var(--muted); margin-bottom: 0; }
.final-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }

/* Footer */
.site-footer {
  background: #103330;
  color: rgba(255,255,255,.8);
  padding-top: 72px;
}
.site-footer .container-page { width: min(1200px, 92%); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 46px;
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px;
  color: rgba(255,255,255,.66);
  line-height: 1.8;
  max-width: 320px;
}
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a {
  color: rgba(255,255,255,.7);
  font-size: 13px;
  transition: color .25s ease;
}
.footer-links a:hover { color: #fff; }
.footer-links .footer-tech { display: inline-flex; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0 28px;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}
.footer-bottom-inner p { color: rgba(255,255,255,.55); }
.footer-bottom-inner a { color: rgba(255,255,255,.78); }
.footer-bottom-inner a:hover { color: #fff; }

@media (max-width: 1199.98px) {
  .search-shortcut { width: 160px; }
  .left-side { gap: 16px; }
  .main-nav a { padding: 9px 12px; font-size: 13px; }
  .category-hero { padding: 72px 0 60px; }
}

@media (max-width: 991.98px) {
  .section-pad { padding: 64px 0; }
  .header-inner { flex-wrap: wrap; align-items: center; min-height: 66px; }
  .mobile-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(84vw, 320px);
    height: 100vh;
    background: #fff;
    padding: 32px 22px;
    border-left: 1px solid var(--border);
    box-shadow: -20px 0 50px rgba(10,92,97,.16);
    transform: translateX(105%);
    transition: transform .3s ease;
    z-index: 1090;
  }
  .nav-open .main-nav { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 20px; }
  .main-nav a { justify-content: flex-start; padding: 14px 18px; font-size: 16px; }
  .hero-grid { row-gap: 48px; }
  .hero-visual { min-height: 360px; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-card.c-7, .scene-card.c-5, .scene-card.c-4 { grid-column: 1 / -1; }
  .check-grid, .help-band, .final-cta-inner { grid-template-columns: 1fr; }
  .help-band { padding: 40px 32px; }
  .help-actions { justify-content: flex-start; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
  .section-pad { padding: 56px 0; }
  .container-page { width: 92%; }
  .search-shortcut { display: none; }
  .category-hero { padding: 56px 0 44px; }
  .category-hero h1 { font-size: 34px; }
  .hero-lead { font-size: 16px; }
  .hero-visual { min-height: 0; margin-top: 8px; }
  .main-visual-card { width: 100%; transform: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .final-cta-inner { padding: 30px 24px; }
  .final-cta-actions { justify-content: flex-start; }
}

@media (max-width: 575.98px) {
  body { font-size: 15px; }
  .brand-logo { font-size: 20px; }
  .container-page { width: 90%; }
  .header-inner { gap: 8px; }
  .right-side .btn-accent-custom { display: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .float-chip { padding: 8px 13px; font-size: 12px; }
  .chip-one { left: 0; top: 8%; }
  .chip-two { right: 0; bottom: 6%; }
  .section-title { font-size: 25px; }
  .check-panel { padding: 24px; }
  .help-band { border-radius: 24px; padding: 30px 22px; }
  .help-band h2 { font-size: 24px; }
  .final-cta h2 { font-size: 23px; }
}

/* roulang page: category3 */
:root {
  --primary: #0F8B8D;
  --primary-dark: #0A5C61;
  --primary-light: #E0F2F1;
  --accent: #F5A05E;
  --accent-dark: #D97A3F;
  --canvas: #F6F8F7;
  --surface: #FFFFFF;
  --ink: #193331;
  --muted: #6B837F;
  --border: #DFEBE7;
  --brand-gradient: linear-gradient(135deg, #0A5C61, #0F8B8D 55%, #4DBDB5);
  --heat-gradient: linear-gradient(135deg, #F5A05E, #F7C97C);
  --shadow-sm: 0 6px 20px rgba(10, 92, 97, .07);
  --shadow-md: 0 14px 34px rgba(10, 92, 97, .11);
  --shadow-lg: 0 24px 56px rgba(10, 92, 97, .16);
  --radius-lg: 20px;
  --radius-xl: 28px;
  --bs-primary: #0F8B8D;
  --bs-link-color: #0A5C61;
  --bs-link-hover-color: #0F8B8D;
  --bs-border-radius: 1rem;
  --bs-body-font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: color .25s ease;
}

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

h1, h2, h3, h4, h5 {
  color: var(--ink);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: .01em;
}

.container-page {
  width: min(1220px, 92%);
  margin-left: auto;
  margin-right: auto;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.section {
  padding: 86px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 1000px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

.sec-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 44px;
}

.sec-title {
  font-size: clamp(27px, 3vw, 35px);
  margin: 4px 0 0;
  color: var(--primary-dark);
}

.sec-desc {
  max-width: 640px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.text-link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary-dark);
  white-space: nowrap;
}

.text-link-more i {
  transition: transform .25s ease;
}

.text-link-more:hover i {
  transform: translateX(5px);
}

.btn {
  border-radius: 1000px;
  font-weight: 600;
  padding: 12px 24px;
  font-size: 15px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  border: 1px solid transparent;
}

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

.btn-accent-custom {
  background: var(--heat-gradient);
  color: #1D3A35;
  border: none;
  box-shadow: 0 8px 20px rgba(217, 122, 63, .22);
}

.btn-accent-custom:hover {
  color: #1D3A35;
  box-shadow: 0 12px 26px rgba(217, 122, 63, .32);
}

.btn:focus-visible,
.form-control:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible,
button:focus-visible,
.accordion-button:focus-visible {
  outline: 3px solid rgba(240, 160, 94, .42) !important;
  box-shadow: 0 0 0 3px rgba(240, 160, 94, .16) !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 139, 141, .12);
  min-height: 72px;
  display: flex;
  align-items: center;
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 12px 30px rgba(10, 92, 97, .10);
}

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

.left-side {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -.02em;
  white-space: nowrap;
}

.brand-logo i {
  color: var(--primary);
}

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

.site-footer .brand-logo {
  color: #F0FAF7;
}

.main-nav.desktop-nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 6px;
}

.main-nav.desktop-nav a {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: 1000px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  transition: all .25s ease;
}

.main-nav.desktop-nav a:hover {
  color: var(--primary-dark);
  background: var(--primary-light);
}

.main-nav.desktop-nav a.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: inset 0 0 0 1px rgba(15, 139, 141, .16);
}

.right-side {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-shortcut {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F2F9F6;
  border: 1px solid rgba(15, 139, 141, .14);
  border-radius: 1000px;
  padding: 0 14px;
  height: 40px;
  color: var(--muted);
  transition: all .3s ease;
}

.search-shortcut input {
  border: 0;
  background: transparent;
  width: 120px;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: width .3s ease;
}

.search-shortcut input:focus {
  width: 190px;
}

.search-shortcut input::placeholder {
  color: #9AACA7;
}

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary-dark);
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.mobile-toggle:hover {
  background: var(--primary-light);
}

.mobile-nav-panel {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 14px;
  right: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 14px;
}

.mobile-nav-panel.open {
  display: block;
}

.mobile-nav-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav-panel li + li {
  border-top: 1px solid #EDF5F2;
}

.mobile-nav-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 8px;
  font-weight: 600;
  color: var(--ink);
}

.mobile-nav-panel a i {
  color: var(--primary);
  opacity: .6;
}

.mobile-nav-panel a:hover {
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 12px;
}

.category-hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  background: var(--primary-dark) url(/assets/images/backpic/back-2.webp) no-repeat center / cover;
  padding: 118px 0 86px;
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(7, 71, 76, .94) 0%, rgba(10, 92, 97, .88) 48%, rgba(15, 139, 141, .72) 100%);
}

.category-hero > .container-page {
  position: relative;
  z-index: 2;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 1000px;
  color: #F2FFFC;
  font-size: 14px;
  padding: 7px 17px;
  font-weight: 600;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.category-hero h1 {
  margin: 20px 0 12px;
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.2;
  font-weight: 800;
  color: #fff;
}

.hero-lead {
  max-width: 620px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(238, 255, 251, .88);
  margin: 0 0 20px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, .11);
  border-radius: 1000px;
  padding: 6px 13px;
  font-size: 13px;
  color: rgba(255, 255, 255, .94);
}

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

.btn-hero-primary {
  background: #ffffff;
  color: var(--primary-dark);
  border: 1px solid #fff;
  box-shadow: 0 10px 24px rgba(4, 46, 50, .2);
}

.btn-hero-primary:hover {
  background: #E8FAF5;
  color: var(--primary-dark);
  box-shadow: 0 15px 30px rgba(4, 46, 50, .28);
}

.btn-hero-ghost {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .4);
  color: #fff;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.btn-hero-ghost:hover {
  background: rgba(255, 255, 255, .18);
  border: 1px solid #fff;
  color: #fff;
}

.hero-caption {
  margin-top: 22px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .68);
}

.hero-caption i {
  margin-right: 4px;
}

.hero-device {
  max-width: 390px;
  margin-left: auto;
  margin-right: auto;
  background: #fff;
  border-radius: 28px;
  padding: 10px;
  box-shadow: 0 28px 58px rgba(2, 42, 42, .36);
  transform: rotate(1.2deg);
}

.device-screen {
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  color: var(--ink);
}

.device-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #F4FAF7;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  border-bottom: 1px solid var(--border);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(245, 160, 94, .2);
}

.device-thumb {
  position: relative;
  margin: 14px;
  height: 204px;
  border-radius: 16px;
  overflow: hidden;
  background: #DCEBE6;
}

.device-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.shot-label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: var(--heat-gradient);
  color: #1D3A35;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 1000px;
}

.device-feed {
  list-style: none;
  padding: 0 14px 6px;
  margin: 0;
}

.device-feed li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 4px;
  border-bottom: 1px dashed #E9F1EE;
}

.device-feed li:last-child {
  border-bottom: 0;
}

.device-feed li i {
  margin-top: 4px;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12px;
}

.device-feed strong {
  display: block;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.4;
}

.device-feed span {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
}

.device-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 14px 14px;
  padding-top: 11px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--muted);
}

.device-footer i {
  color: var(--primary);
}

.statbar-section {
  position: relative;
  z-index: 5;
  margin-top: -42px;
  padding-bottom: 12px;
}

.statbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.statbar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 20px 23px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 92px;
}

.statbar-card > i {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 19px;
}

.statbar-card strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.45;
}

.statbar-card span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.category-toc {
  background: #fff;
  padding: 88px 0 80px;
}

.toc-grid {
  display: grid;
  grid-template-columns: .95fr 1.4fr;
  align-items: center;
  gap: 56px;
}

.toc-media {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.toc-media::after {
  content: "更新入口说明";
  position: absolute;
  left: 16px;
  bottom: 16px;
  color: #fff;
  font-weight: 700;
  background: rgba(6, 56, 59, .72);
  padding: 5px 13px;
  border-radius: 1000px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-size: 13px;
}

.toc-media img {
  width: 100%;
  display: block;
  height: 330px;
  object-fit: cover;
}

.toc-head-note {
  margin: 0 0 20px;
  color: var(--muted);
}

.toc-list {
  display: grid;
  gap: 12px;
}

.toc-entry {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--canvas);
  padding: 15px 19px;
  transition: all .25s ease;
}

.toc-entry:hover {
  background: #fff;
  border-color: rgba(15, 139, 141, .45);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.toc-num {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.toc-entry a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
}

.toc-entry small {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

.toc-entry a i {
  color: var(--primary);
  margin-left: 10px;
  transition: transform .25s ease;
}

.toc-entry a:hover {
  color: var(--primary-dark);
}

.toc-entry a:hover i {
  transform: translateX(4px);
}

.section-scope {
  background: linear-gradient(180deg, #F7FCF9 0%, #FFFFFF 100%);
}

.scope-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 62px;
}

.list-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 17px;
}

.list-check li {
  position: relative;
  padding-left: 40px;
}

.list-check li > i {
  position: absolute;
  left: 0;
  top: 3px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.list-check strong {
  display: block;
  color: var(--ink);
  font-size: 16.5px;
}

.list-check span {
  color: var(--muted);
  font-size: 14.5px;
}

.notice-box {
  margin-top: 28px;
  background: #FFF7ED;
  border-left: 4px solid var(--accent);
  border-radius: 17px;
  padding: 17px 22px;
  font-size: 14.5px;
  color: #5C4A38;
  box-shadow: 0 10px 24px rgba(138, 96, 48, .07);
}

.notice-box i {
  color: var(--accent-dark);
  margin-right: 4px;
}

.scope-visual {
  position: relative;
}

.scope-visual .img-frame {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.scope-visual img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.scope-float-card {
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  border-radius: 18px;
  padding: 14px 18px;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 0 22px;
}

.scope-float-card i {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 50%;
  font-size: 15px;
}

.section-categories {
  background: #fff;
  padding: 88px 0;
}

.info-module-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}

.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 8px 26px rgba(10, 92, 97, .05);
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 139, 141, .34);
}

.module-card:nth-child(1) {
  grid-column: span 7;
}

.module-card:nth-child(2) {
  grid-column: span 5;
}

.module-card:nth-child(3) {
  grid-column: span 5;
}

.module-card:nth-child(4) {
  grid-column: span 7;
}

.module-card-inner {
  padding: 26px 28px 28px;
  flex: 1;
}

.module-card-pic {
  overflow: hidden;
  height: 168px;
  position: relative;
}

.module-card-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

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

.module-card-pic .pic-tag {
  position: absolute;
  left: 16px;
  bottom: 14px;
  background: rgba(8, 63, 67, .8);
  color: #fff;
  border-radius: 1000px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.module-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.module-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 10px 0 10px;
  color: var(--primary-dark);
}

.module-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.module-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 8px;
}

.module-link i {
  transition: transform .25s ease;
}

.module-link:hover {
  color: var(--accent-dark);
}

.module-link:hover i {
  transform: translateX(5px);
}

.section-update {
  background: #EFF9F5;
}

.update-intro {
  max-width: 640px;
  margin-bottom: 40px;
}

.update-intro p {
  color: var(--muted);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.timeline-item {
  padding: 34px 26px 36px;
  border-left: 1px dashed #D9EAE4;
  position: relative;
}

.timeline-item:first-child {
  border-left: 0;
}

.timeline-index {
  width: 42px;
  height: 42px;
  border-radius: 50% 50% 50% 6px;
  background: var(--brand-gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 8px 18px rgba(10, 92, 97, .18);
}

.timeline-item h3 {
  font-size: 18px;
  margin: 18px 0 8px;
  color: var(--primary-dark);
}

.timeline-item p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
  margin: 0;
}

.update-note {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 38px;
}

.update-note-item {
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  box-shadow: 0 6px 16px rgba(10, 92, 97, .05);
}

.update-note-item i {
  color: var(--primary);
  font-size: 20px;
  margin-top: 2px;
}

.update-note-item span {
  color: var(--muted);
  font-size: 14px;
  display: block;
}

.update-note-item b {
  color: var(--ink);
  display: inline-block;
  font-size: 15px;
  margin-bottom: 2px;
}

.section-faq {
  background: #fff;
  padding: 84px 0 88px;
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 18px !important;
  overflow: hidden;
  margin-bottom: 14px;
  background: #FBFEFC;
}

.accordion-button {
  border: 0;
  border-radius: 18px !important;
  padding: 19px 24px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  background: #fff;
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: none;
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230A5C61'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transform: rotate(-180deg);
}

.accordion-button::after {
  opacity: .75;
  background-size: 1rem;
  width: 1.1rem;
  height: 1.1rem;
  background-position: center;
  transition: transform .3s ease;
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-body {
  padding: 4px 24px 22px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.faq-bottom-note {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

.faq-bottom-note a {
  font-weight: 700;
}

.section-related {
  background: linear-gradient(180deg, #fff 0%, #F1F8F5 100%);
  padding: 84px 0 96px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr;
  gap: 26px;
}

.rel-card {
  background: var(--primary-dark);
  color: #fff;
  border-radius: 28px;
  padding: 32px 34px;
  position: relative;
  overflow: hidden;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 18px 40px rgba(10, 92, 97, .18);
}

.rel-card.rel-next {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
  transform: translateY(22px);
  box-shadow: var(--shadow-md);
}

.rel-card.rel-next .rel-note {
  color: var(--primary);
}

.rel-card.rel-next h3 {
  color: var(--primary-dark);
}

.rel-card.rel-next p {
  color: var(--muted);
}

.rel-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -84px;
  top: -96px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .09);
}

.rel-card.rel-next::after {
  background: rgba(15, 139, 141, .08);
}

.rel-card h3 {
  font-size: 27px;
  color: #fff;
  margin: 8px 0 8px;
  font-weight: 800;
}

.rel-card p {
  color: rgba(255, 255, 255, .78);
  max-width: 280px;
  font-size: 15px;
  margin: 0;
  position: relative;
  z-index: 1;
}

.rel-note {
  position: relative;
  z-index: 1;
  display: inline-block;
  width: fit-content;
  background: rgba(255, 255, 255, .16);
  border-radius: 1000px;
  font-size: 13px;
  padding: 5px 13px;
  color: #dff7f1;
  margin-bottom: 6px;
}

.rel-next .rel-note {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.rel-card a {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  margin-top: 24px;
}

.rel-card.rel-next a {
  color: var(--primary-dark);
}

.rel-card a i {
  transition: transform .25s ease;
}

.rel-card a:hover i {
  transform: translateX(5px);
}

.cta-band {
  background: linear-gradient(110deg, #073F43 0%, #0A5C61 42%, #0F8B8D 100%);
  color: #fff;
  padding: 74px 0;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -180px;
  width: 430px;
  height: 430px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .14), rgba(255, 255, 255, 0) 68%);
}

.cta-band .container-page {
  position: relative;
  z-index: 2;
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.cta-inner h2 {
  font-size: clamp(25px, 3vw, 34px);
  color: #fff;
  margin: 0 0 6px;
}

.cta-inner p {
  color: rgba(255, 255, 255, .82);
  max-width: 590px;
  margin: 0;
}

.cta-inner .btn {
  background: var(--heat-gradient);
  color: #1D3A35;
  box-shadow: 0 12px 26px rgba(2, 38, 39, .28);
}

.cta-inner .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(2, 38, 39, .34);
}

.site-footer {
  background: #0A2A2D;
  color: rgba(235, 248, 245, .68);
  padding: 72px 0 0;
}

.site-footer .brand-logo {
  font-size: 1.48rem;
  color: #fff;
  margin-bottom: 16px;
}

.site-footer .brand-logo i {
  color: #F5A05E;
}

.site-footer .brand-logo span {
  color: #61CCC4;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 48px;
}

.site-footer h4 {
  color: #EAF9F5;
  font-size: 16px;
  margin: 6px 0 16px;
  position: relative;
  padding-bottom: 10px;
}

.site-footer h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 3px;
  border-radius: 1000px;
  background: var(--accent);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}

.footer-links a {
  color: rgba(235, 248, 245, .72);
  font-size: 14.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .25s ease, transform .25s ease;
}

.footer-links a::before {
  content: "›";
  color: #5AC5BC;
  font-size: 16px;
  line-height: 1;
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(235, 248, 245, .62);
  margin: 12px 0 0;
  max-width: 360px;
}

.site-footer .footer-note-text {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(235, 248, 245, .56);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(235, 248, 245, .56);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1199.98px) {
  .search-shortcut input {
    width: 90px;
  }

  .search-shortcut input:focus {
    width: 140px;
  }

  .hero-device {
    max-width: 360px;
  }

  .module-card:nth-child(1),
  .module-card:nth-child(2),
  .module-card:nth-child(3),
  .module-card:nth-child(4) {
    grid-column: span 6;
  }
}

@media (max-width: 991.98px) {
  .section {
    padding: 66px 0;
  }

  .category-toc,
  .section-categories {
    padding: 66px 0;
  }

  .category-hero {
    padding: 88px 0 66px;
  }

  .desktop-nav.desktop-nav {
    display: none;
  }

  .desktop-search.desktop-search {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
  }

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

  .statbar-section {
    margin-top: 26px;
  }

  .toc-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .scope-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-item:nth-child(3) {
    border-left: 0;
    border-top: 1px dashed #D9EAE4;
  }

  .timeline-item:nth-child(4) {
    border-top: 1px dashed #D9EAE4;
  }

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

  .rel-card.rel-next {
    transform: translateY(0);
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (max-width: 767.98px) {
  .body {
    font-size: 15px;
  }

  .header-inner {
    gap: 8px;
  }

  .brand-logo {
    font-size: 1.16rem;
  }

  .brand-logo i {
    font-size: 15px;
  }

  .right-side {
    gap: 6px;
  }

  .right-side .btn-accent-custom {
    display: none !important;
  }

  .hero-device {
    max-width: 360px;
    transform: none;
  }

  .category-hero h1 {
    font-size: 32px;
  }

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

  .statbar-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .statbar-card {
    padding: 16px 19px;
    min-height: 0;
  }

  .sec-heading {
    margin-bottom: 30px;
  }

  .toc-media img {
    height: 260px;
  }

  .module-card:nth-child(1),
  .module-card:nth-child(2),
  .module-card:nth-child(3),
  .module-card:nth-child(4) {
    grid-column: span 12;
  }

  .info-module-grid {
    gap: 16px;
  }

  .module-card-pic {
    height: 150px;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .timeline-item {
    border-left: 0;
    border-top: 1px dashed #CBE3DC;
    border-radius: 20px;
    background: #fff;
    margin-bottom: 14px;
    box-shadow: 0 8px 20px rgba(10, 92, 97, .06);
  }

  .timeline-item:nth-child(3),
  .timeline-item:nth-child(4) {
    border-top: 1px dashed #CBE3DC;
  }

  .update-note {
    grid-template-columns: 1fr;
  }

  .faq-wrap {
    width: 100%;
  }

  .cta-inner {
    display: block;
  }

  .cta-inner .btn {
    margin-top: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px 22px;
  }

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

@media (max-width: 575.98px) {
  .container-page {
    width: 92%;
  }

  .section {
    padding: 52px 0;
  }

  .category-toc,
  .section-categories {
    padding: 52px 0;
  }

  .category-hero {
    padding: 72px 0 54px;
  }

  .category-hero h1 {
    font-size: 28px;
  }

  .hero-lead {
    font-size: 15.5px;
    line-height: 1.8;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-caption {
    font-size: 12px;
  }

  .hero-device {
    margin-top: 18px;
  }

  .device-thumb {
    height: 176px;
  }

  .statbar-section {
    margin-top: 18px;
  }

  .sec-title {
    font-size: 24px;
  }

  .sec-desc {
    font-size: 15px;
  }

  .scope-grid {
    gap: 26px;
  }

  .toc-media img {
    height: 210px;
  }

  .scope-visual img {
    height: 300px;
  }

  .scope-float-card {
    align-items: flex-start;
    margin-left: 6px;
  }

  .module-card-inner {
    padding: 20px;
  }

  .module-card h3 {
    font-size: 18px;
  }

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

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

  .site-footer {
    padding-top: 56px;
  }
}