/* roulang page: index */
:root {
            --brand: #0B6E5A;
            --brand-light: #0EA47A;
            --accent: #F59E0B;
            --accent-hover: #D97706;
            --bg: #F7F4EE;
            --dark: #132822;
            --text: #4B5563;
            --heading: #1F2937;
            --light-text: #9CA3AF;
            --border: rgba(19, 40, 34, 0.08);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow: 0 8px 30px rgba(19, 40, 34, 0.08);
            --shadow-hover: 0 16px 40px rgba(19, 40, 34, 0.14);
            --transition: all 0.2s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--heading);
            line-height: 1.8;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        section[id] {
            scroll-margin-top: 90px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ====== Topbar ====== */
        .site-topbar {
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            text-align: center;
            font-size: 14px;
            padding: 8px 16px;
            position: relative;
            z-index: 60;
        }

        .site-topbar .close-topbar {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: #fff;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            font-size: 12px;
            line-height: 1;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .site-topbar .close-topbar:hover {
            background: rgba(255, 255, 255, 0.4);
        }

        /* ====== Header Nav ====== */
        .header-wrap {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            padding: 12px 16px;
            pointer-events: none;
        }

        .header-wrap .container {
            pointer-events: auto;
        }

        .header-wrap:not(.topbar-hidden) {
            top: 40px;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-radius: 20px;
            padding: 10px 18px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
        }

        .brand-text {
            font-weight: 800;
            font-size: 20px;
            color: var(--dark);
            letter-spacing: -0.01em;
        }

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

        .nav-links {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }

        .nav-item i,
        .nav-item svg {
            font-size: 16px;
        }

        .nav-item:hover {
            background: rgba(14, 164, 122, 0.08);
            color: var(--brand);
            transform: translateY(-1px);
        }

        .nav-item.active {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 14px rgba(11, 110, 90, 0.3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(11, 110, 90, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(11, 110, 90, 0.35);
            filter: brightness(1.05);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(14, 164, 122, 0.3), 0 0 0 8px rgba(14, 164, 122, 0.08);
        }

        .btn-primary.btn-sm {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: 2px solid var(--brand-light);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: rgba(14, 164, 122, 0.06);
            border-color: var(--brand);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            background: var(--dark);
            color: #fff;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            margin: 0 16px;
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            padding: 16px;
            gap: 10px;
            flex-direction: column;
            border: 1px solid var(--border);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            background: var(--bg);
            font-weight: 500;
            color: var(--heading);
            text-align: center;
        }

        .mobile-menu a.active {
            background: var(--brand);
            color: #fff;
        }

        /* ====== Hero ====== */
        .hero {
            padding: 140px 0 60px;
            background: linear-gradient(180deg, #E9F5F0 0%, var(--bg) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(14, 164, 122, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content .hero-kicker {
            display: inline-block;
            background: rgba(11, 110, 90, 0.1);
            color: var(--brand);
            font-size: 14px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-content h1 {
            font-size: 58px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .hero-content h1 .grad {
            background: linear-gradient(135deg, var(--brand) 20%, var(--brand-light) 60%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text);
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .stat-badge {
            background: var(--dark);
            border-radius: 16px;
            padding: 18px 14px;
            text-align: center;
            box-shadow: 0 8px 24px rgba(19, 40, 34, 0.2);
            transition: var(--transition);
        }

        .stat-badge:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(19, 40, 34, 0.3);
        }

        .stat-badge .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-badge .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        .hero-visual {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(19, 40, 34, 0.15);
            min-height: 380px;
            background: linear-gradient(135deg, var(--brand), var(--dark));
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
        }

        .hero-visual .visual-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-radius: 16px;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .visual-card .icon-circle {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), #FBBF24);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .visual-card .v-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--dark);
        }

        .visual-card .v-sub {
            font-size: 13px;
            color: var(--text);
        }

        /* ====== Trust Bar ====== */
        .trust-bar {
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }

        .trust-bar .trust-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--light-text);
            font-weight: 500;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        /* ====== Section Common ====== */
        .section-block {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 50px;
        }

        .section-head .kicker {
            display: inline-block;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text);
            line-height: 1.7;
        }

        /* ====== Features ====== */
        .features {
            background: var(--bg);
        }

        .feature-card-lg {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 40px;
            margin-bottom: 32px;
            transition: var(--transition);
        }

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

        .feature-card-lg.reverse .feature-img {
            order: 2;
        }

        .feature-card-lg .feature-img {
            border-radius: 20px;
            overflow: hidden;
            min-height: 260px;
            background: linear-gradient(135deg, rgba(11, 110, 90, 0.1), rgba(245, 158, 11, 0.1));
        }

        .feature-card-lg .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-card-lg:hover .feature-img img {
            transform: scale(1.03);
        }

        .feature-text .tag {
            display: inline-block;
            background: rgba(11, 110, 90, 0.08);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .feature-text h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .feature-text p {
            color: var(--text);
            font-size: 16px;
            line-height: 1.8;
        }

        .feature-mini-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }

        .mini-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .mini-card .mini-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .mini-card p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }

        /* ====== Demo ====== */
        .demo {
            background: var(--dark);
            padding: 80px 0;
        }

        .demo-panel {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 60px;
            align-items: center;
        }

        .demo-text h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .demo-text h2 span {
            color: var(--accent);
        }

        .demo-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .demo-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }

        .demo-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
        }

        .demo-list li i {
            color: var(--accent);
            font-size: 14px;
        }

        .demo-visual {
            position: relative;
        }

        .demo-browser {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
        }

        .demo-browser .browser-bar {
            background: #F3F4F6;
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .demo-browser .browser-bar .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }

        .demo-browser .browser-bar .dot-red {
            background: #EF4444;
        }

        .demo-browser .browser-bar .dot-yellow {
            background: #F59E0B;
        }

        .demo-browser .browser-bar .dot-green {
            background: #10B981;
        }

        .demo-browser .browser-bar .url {
            flex: 1;
            background: #fff;
            border-radius: 8px;
            padding: 4px 12px;
            font-size: 12px;
            color: var(--text);
        }

        .demo-browser .browser-body {
            padding: 20px;
            min-height: 280px;
            background: linear-gradient(135deg, #F0FDF9, #FFFBEB);
        }

        .demo-browser .browser-body img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: 12px;
        }

        /* ====== News ====== */
        .news-section {
            background: var(--bg);
        }

        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-card {
            display: flex;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .news-thumb {
            width: 180px;
            flex-shrink: 0;
            overflow: hidden;
            background: linear-gradient(135deg, var(--brand), var(--dark));
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .tag {
            display: inline-block;
            background: rgba(11, 110, 90, 0.08);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 100px;
        }

        .news-meta time {
            font-size: 13px;
            color: var(--light-text);
            font-variant-numeric: tabular-nums;
        }

        .news-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover .news-body h4 {
            color: var(--brand);
        }

        .news-body p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-light);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 60px 20px;
            border: 1px dashed var(--border);
            color: var(--light-text);
            font-size: 16px;
        }

        /* ====== Proof ====== */
        .proof {
            background: #fff;
            padding: 80px 0;
        }

        .proof-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 60px;
        }

        .proof-stat {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-md);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .proof-stat:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .proof-stat .num {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }

        .proof-stat .num span {
            font-size: 20px;
            color: var(--accent);
        }

        .proof-stat .label {
            font-size: 14px;
            color: var(--text);
            margin-top: 8px;
        }

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

        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .testimonial-card .stars {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .testimonial-card .quote {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .author .avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-card .author .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }

        .testimonial-card .author .role {
            font-size: 13px;
            color: var(--light-text);
        }

        /* ====== Pricing ====== */
        .pricing {
            background: var(--bg);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
        }

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

        .pricing-card.featured {
            background: linear-gradient(145deg, var(--brand), #0D8A6F 60%, #0EA47A);
            color: #fff;
            border: none;
            transform: scale(1.03);
        }

        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-3px);
        }

        .pricing-card .badge-ribbon {
            position: absolute;
            top: 20px;
            right: -10px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 6px 0 0 6px;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
        }

        .pricing-card .plan-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-card.featured .plan-name {
            color: rgba(255, 255, 255, 0.9);
        }

        .pricing-card .plan-price {
            font-size: 44px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.1;
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }

        .pricing-card.featured .plan-price {
            color: #fff;
        }

        .pricing-card .plan-price span {
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
        }

        .pricing-card.featured .plan-price span {
            color: rgba(255, 255, 255, 0.7);
        }

        .pricing-card .plan-desc {
            font-size: 14px;
            color: var(--text);
            margin-bottom: 20px;
        }

        .pricing-card.featured .plan-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: grid;
            gap: 10px;
            flex: 1;
        }

        .pricing-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
        }

        .pricing-card.featured ul li {
            color: rgba(255, 255, 255, 0.9);
        }

        .pricing-card ul li i {
            color: var(--brand-light);
            font-size: 13px;
            margin-top: 4px;
        }

        .pricing-card.featured ul li i {
            color: var(--accent);
        }

        .pricing-btn {
            width: 100%;
            padding: 12px 20px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            border: 2px solid var(--brand-light);
            background: #fff;
            color: var(--brand);
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }

        .pricing-btn:hover {
            background: rgba(14, 164, 122, 0.06);
            border-color: var(--brand);
            transform: translateY(-1px);
        }

        .pricing-card.featured .pricing-btn {
            background: #fff;
            color: var(--brand);
            border: none;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        .pricing-card.featured .pricing-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
            filter: brightness(0.97);
        }

        /* ====== FAQ ====== */
        .faq {
            background: #fff;
            padding: 80px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 0;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(11, 110, 90, 0.3);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

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

        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(11, 110, 90, 0.08);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.2s ease;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--brand);
            color: #fff;
        }

        .faq-item .faq-answer {
            padding: 0 28px 22px;
            color: var(--text);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ====== Contact ====== */
        .contact {
            background: var(--bg);
            padding: 80px 0;
        }

        .contact-card {
            background: linear-gradient(145deg, var(--brand), var(--dark) 80%);
            border-radius: 28px;
            padding: 60px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            box-shadow: 0 30px 80px rgba(19, 40, 34, 0.3);
        }

        .contact-info h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .contact-info h2 span {
            color: var(--accent);
        }

        .contact-info p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .contact-info .contact-method {
            display: grid;
            gap: 14px;
        }

        .contact-info .contact-method .method-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
        }

        .contact-info .contact-method .method-item i {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--accent);
        }

        .contact-form {
            background: #fff;
            border-radius: 20px;
            padding: 36px;
            color: var(--heading);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
        }

        .contact-form h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .contact-form .form-tip {
            font-size: 14px;
            color: var(--text);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .form-group label .required {
            color: #E11D48;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            border: 1px solid rgba(19, 40, 34, 0.12);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 15px;
            background: #F9FAFB;
            transition: var(--transition);
            color: var(--heading);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--brand-light);
            box-shadow: 0 0 0 4px rgba(14, 164, 122, 0.15);
            background: #fff;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(11, 110, 90, 0.3);
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(11, 110, 90, 0.4);
            filter: brightness(1.05);
        }

        /* ====== Footer ====== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }

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

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand .brand-logo .brand-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.7;
            max-width: 380px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-contact-list li i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-qr {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 20px;
            text-align: center;
            border: 1px dashed rgba(255, 255, 255, 0.2);
        }

        .footer-qr .qr-placeholder {
            width: 90px;
            height: 90px;
            border-radius: 12px;
            background: #fff;
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: var(--brand);
        }

        .footer-qr p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ====== Float CTA ====== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 80;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 26px;
            border-radius: 100px;
            box-shadow: 0 12px 36px rgba(11, 110, 90, 0.35);
            transition: var(--transition);
            opacity: 0;
            transform: scale(0.8) translateY(20px);
            pointer-events: none;
            border: none;
            cursor: pointer;
        }

        .float-cta.show {
            opacity: 1;
            transform: scale(1) translateY(0);
            pointer-events: auto;
        }

        .float-cta:hover {
            transform: scale(1.04) translateY(-3px);
            box-shadow: 0 16px 44px rgba(11, 110, 90, 0.45);
        }

        .float-cta .float-icon {
            font-size: 18px;
        }

        /* ====== Responsive ====== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 44px;
            }

            .hero-visual {
                min-height: 320px;
            }

            .feature-card-lg {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px;
            }

            .feature-card-lg.reverse .feature-img {
                order: 0;
            }

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

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

            .pricing-card.featured {
                order: -1;
                grid-column: 1 / -1;
                max-width: 500px;
                margin: 0 auto;
            }

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

            .contact-card {
                grid-template-columns: 1fr;
                padding: 40px;
            }

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

            .footer-qr {
                max-width: 180px;
            }

            .news-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-wrap {
                top: 36px;
                padding: 8px 12px;
            }

            .header-wrap:not(.topbar-hidden) {
                top: 36px;
            }

            .nav-links {
                display: none;
            }

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

            .menu-toggle {
                display: flex;
            }

            .hero {
                padding: 120px 0 40px;
            }

            .hero-content h1 {
                font-size: 38px;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

            .section-head h2 {
                font-size: 30px;
            }

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

            .feature-text h3 {
                font-size: 24px;
            }

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

            .proof-stat .num {
                font-size: 30px;
            }

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

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

            .pricing-card.featured {
                grid-column: auto;
                max-width: none;
                transform: none;
            }

            .pricing-card.featured:hover {
                transform: translateY(-3px);
            }

            .demo-panel {
                gap: 30px;
            }

            .demo-text h2 {
                font-size: 30px;
            }

            .news-card {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 180px;
            }

            .contact-card {
                padding: 28px 20px;
                border-radius: 20px;
            }

            .contact-info h2 {
                font-size: 30px;
            }

            .contact-form {
                padding: 24px 18px;
            }

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

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

            .float-cta {
                right: 16px;
                bottom: 16px;
                padding: 12px 20px;
                font-size: 14px;
            }

            .float-cta .float-icon {
                font-size: 16px;
            }

            .site-topbar {
                font-size: 12px;
                padding: 6px 30px 6px 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 32px;
            }

            .hero-cta {
                flex-direction: column;
            }

            .hero-cta .btn-primary,
            .hero-cta .btn-outline {
                width: 100%;
            }

            .stat-badge {
                padding: 14px 10px;
            }

            .stat-badge .num {
                font-size: 22px;
            }

            .stat-badge .label {
                font-size: 12px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .demo-browser .browser-body {
                min-height: 200px;
            }

            .demo-browser .browser-body img {
                height: 180px;
            }

            .news-body {
                padding: 16px;
            }

            .contact-card {
                padding: 24px 16px;
            }

            .contact-form {
                padding: 20px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B6E5A;
            --primary-light: #0EA47A;
            --accent: #F59E0B;
            --accent-hover: #D97706;
            --bg: #F7F4EE;
            --dark: #132822;
            --text: #4B5563;
            --text-light: #6B7280;
            --border: rgba(19, 40, 34, 0.08);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-md: 0 8px 30px rgba(19, 40, 34, 0.08);
            --shadow-lg: 0 16px 40px rgba(19, 40, 34, 0.14);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 17px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-light);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Nav */
        .header-wrap {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            background: transparent;
            transition: all .3s ease;
        }
        .header-wrap.scrolled {
            background: rgba(247, 244, 238, .92);
            backdrop-filter: blur(12px);
            padding: 10px 0;
            box-shadow: 0 4px 20px rgba(19, 40, 34, .06);
        }
        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, .9);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 10px 16px;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(8px);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(11, 110, 90, .25);
        }
        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .brand-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            padding: 0 12px;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            background: rgba(247, 244, 238, .7);
            border: 1px solid transparent;
            transition: all .2s ease;
        }
        .nav-item:hover {
            background: rgba(14, 164, 122, .08);
            color: var(--primary);
            border-color: rgba(14, 164, 122, .2);
            transform: translateY(-2px);
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(11, 110, 90, .3);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(14, 164, 122, .3);
            transition: all .2s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(14, 164, 122, .4);
            color: #fff;
            filter: brightness(1.05);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary.btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all .2s ease;
        }
        .btn-secondary:hover {
            background: rgba(11, 110, 90, .06);
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
            padding: 6px 10px;
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 24px;
            right: 24px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 16px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            font-weight: 600;
            color: var(--dark);
            background: var(--bg);
            transition: all .2s ease;
        }
        .mobile-menu a.active {
            background: var(--primary);
            color: #fff;
        }
        /* Hero */
        .hero {
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(247, 244, 238, .95) 30%, rgba(11, 110, 90, .15) 80%);
        }
        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 164, 122, .1);
            border: 1px solid rgba(14, 164, 122, .25);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 64px;
            line-height: 1.15;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.01em;
            margin-bottom: 24px;
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
            display: inline;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 36px;
            max-width: 520px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 56px;
        }
        .stat-badge {
            background: var(--dark);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .stat-badge .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            font-variant-numeric: tabular-nums;
        }
        .stat-badge .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-top: 4px;
        }
        .hero-visual {
            position: relative;
        }
        .hero-visual-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .hero-visual-card img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .hero-visual-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(19, 40, 34, .8);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid rgba(255, 255, 255, .1);
        }
        .hero-visual-overlay .icon {
            color: var(--accent);
            font-size: 24px;
        }
        .hero-visual-overlay .text {
            color: #fff;
            font-size: 14px;
            line-height: 1.4;
        }
        .overlay-card {
            position: absolute;
            top: -20px;
            right: -20px;
            background: var(--accent);
            border-radius: 16px;
            padding: 14px 20px;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 0 10px 30px rgba(245, 158, 11, .35);
        }
        /* Section common */
        .section {
            padding: 100px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(14, 164, 122, .08);
            padding: 6px 16px;
            border-radius: 100px;
            letter-spacing: .02em;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 17px;
            color: var(--text);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 48px;
        }
        /* Features */
        .features-section {
            background: #fff;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .feature-card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 32px;
            background: #fff;
            box-shadow: var(--shadow-md);
            transition: all .25s ease;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
        }
        .feature-card.feature-large {
            grid-column: span 8;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 32px;
            align-items: center;
        }
        .feature-card.feature-small {
            grid-column: span 4;
        }
        .feature-card.feature-full {
            grid-column: span 12;
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 40px;
            align-items: center;
            background: linear-gradient(135deg, var(--dark) 0%, #1a3a32 100%);
            border: none;
            color: #fff;
        }
        .feature-card.feature-full h3,
        .feature-card.feature-full .section-desc {
            color: #fff;
        }
        .feature-card.feature-full p {
            color: rgba(255, 255, 255, .75);
        }
        .feature-card.feature-full .icon-wrap {
            background: rgba(255, 255, 255, .12);
            color: var(--accent);
        }
        .feature-light-list {
            list-style: none;
            margin-top: 20px;
        }
        .feature-light-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 15px;
            padding: 8px 0;
        }
        .feature-light-list li i {
            color: var(--accent);
        }
        .feature-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 260px;
        }
        .feature-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        /* Process */
        .process-section {
            background: var(--bg);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
            opacity: .15;
        }
        .process-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-item .process-num {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            border: 3px solid rgba(14, 164, 122, .2);
            box-shadow: var(--shadow-md);
        }
        .process-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }
        /* Scenarios */
        .scenario-section {
            background: #fff;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .scenario-card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px;
            background: var(--bg);
            transition: all .25s ease;
        }
        .scenario-card:hover {
            background: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .scenario-icon {
            font-size: 36px;
            margin-bottom: 16px;
        }
        .scenario-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.65;
        }
        /* Proof */
        .proof-section {
            background: var(--dark);
            color: #fff;
        }
        .proof-section .section-label {
            background: rgba(245, 158, 11, .15);
            color: var(--accent);
        }
        .proof-section .section-title {
            color: #fff;
        }
        .proof-section .section-desc {
            color: rgba(255, 255, 255, .7);
        }
        .proof-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 56px;
        }
        .proof-stat {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
        }
        .proof-stat .num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .proof-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-top: 6px;
        }
        .testimonials {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .testimonial-card p {
            font-size: 15px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 16px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 16px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            font-weight: 700;
        }
        .testimonial-author strong {
            color: #fff;
            font-size: 15px;
        }
        .testimonial-author span {
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
        }
        /* FAQ */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: box-shadow .2s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-lg);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            gap: 20px;
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(14, 164, 122, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            transition: transform .3s ease;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }
        /* CTA */
        .cta-section {
            padding: 100px 0;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, #0e8a6e 50%, #0fa87e 100%);
            border-radius: var(--radius-lg);
            padding: 64px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
        }
        .cta-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 48px;
            align-items: center;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.8;
        }
        .cta-form {
            background: rgba(255, 255, 255, .12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 20px;
            padding: 32px;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .25);
            background: rgba(255, 255, 255, .12);
            color: #fff;
            font-size: 15px;
            margin-bottom: 12px;
            transition: all .2s ease;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, .18);
        }
        .cta-form select option {
            color: #333;
            background: #fff;
        }
        .cta-form .btn-white {
            width: 100%;
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .cta-form .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
            background: var(--accent);
            color: #fff;
        }
        /* Footer */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding: 80px 0 32px;
            position: relative;
            overflow: hidden;
        }
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: 24px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 280px;
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer ul {
            list-style: none;
        }
        .footer ul li {
            margin-bottom: 12px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
        }
        .footer-contact-list i {
            font-style: normal;
            font-size: 16px;
        }
        .footer-qr {
            text-align: center;
            background: rgba(255, 255, 255, .08);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, .06);
        }
        .qr-placeholder {
            width: 96px;
            height: 96px;
            margin: 0 auto 12px;
            background: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: var(--dark);
        }
        .footer-qr p {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
            padding-top: 24px;
        }
        /* Floating CTA */
        .floating-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all .3s ease;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 30px rgba(14, 164, 122, .4);
        }
        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .floating-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(14, 164, 122, .5);
            color: #fff;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 48px;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                max-width: 600px;
            }
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-grid::before {
                display: none;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials {
                grid-template-columns: 1fr;
                max-width: 600px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-content {
                grid-template-columns: 1fr;
            }
            .feature-card.feature-large {
                grid-column: span 12;
            }
            .feature-card.feature-small {
                grid-column: span 6;
            }
            .feature-card.feature-full {
                grid-column: span 12;
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-actions .btn-primary {
                display: none;
            }
            .hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 40px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 36px;
            }
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 30px;
            }
            .section-desc {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .feature-card.feature-large {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .feature-card.feature-small {
                grid-column: span 12;
            }
            .feature-card.feature-full {
                padding: 24px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .process-item {
                display: grid;
                grid-template-columns: 80px 1fr;
                text-align: left;
                gap: 16px;
                align-items: center;
            }
            .process-item .process-num {
                margin: 0;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .proof-stats {
                grid-template-columns: 1fr;
            }
            .testimonials {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 32px;
            }
            .cta-content h2 {
                font-size: 28px;
            }
            .cta-form {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .floating-cta {
                bottom: 20px;
                right: 20px;
                padding: 12px 20px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-cta {
                flex-direction: column;
            }
            .hero-cta .btn-primary,
            .hero-cta .btn-secondary {
                width: 100%;
            }
            .feature-card.feature-full .feature-visual {
                height: 180px;
            }
            .proof-stat .num {
                font-size: 32px;
            }
            .testimonial-card {
                padding: 20px;
            }
        }
        /* Focus visible */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 4px solid rgba(14, 164, 122, .4);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
            --primary-dark: #0B6E5A;
            --primary: #0EA47A;
            --primary-light: #d1fae5;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F7F4EE;
            --dark: #132822;
            --text: #4B5563;
            --text-light: #6B7280;
            --border: rgba(19, 40, 34, 0.08);
            --shadow-sm: 0 8px 30px rgba(19, 40, 34, 0.08);
            --shadow-lg: 0 16px 40px rgba(19, 40, 34, 0.14);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
        /* ===== 顶部通告条 ===== */
        .alert-bar {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 14px;
            text-align: center;
            padding: 8px 16px;
            position: relative;
            z-index: 60;
        }
        .alert-bar .close-btn {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 18px;
            color: var(--primary-dark);
            opacity: .7;
            transition: opacity .2s;
        }
        .alert-bar .close-btn:hover {
            opacity: 1;
        }
        /* ===== 导航 ===== */
        .header-wrap {
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
            background: transparent;
        }
        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            padding: 10px 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.01em;
        }
        .brand-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .nav-item {
            padding: 8px 18px;
            border-radius: 12px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all .2s ease;
            white-space: nowrap;
        }
        .nav-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: var(--primary-dark);
            border-color: rgba(14, 164, 122, 0.3);
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 20px rgba(14, 164, 122, 0.3);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            font-weight: 700;
            border-radius: 12px;
            padding: 12px 24px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all .2s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 164, 122, 0.35);
            filter: brightness(1.05);
        }
        .btn-primary:focus-visible {
            outline: 4px solid rgba(14, 164, 122, 0.25);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 10px;
        }
        .menu-toggle {
            display: none;
            font-size: 24px;
            color: var(--dark);
            padding: 8px;
            border-radius: 8px;
        }
        .menu-toggle:focus-visible {
            outline: 4px solid rgba(14, 164, 122, 0.25);
            outline-offset: 2px;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 10px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.97);
            border-radius: 16px;
            margin-top: 10px;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            background: var(--bg);
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: all .2s;
        }
        .mobile-menu a.active {
            background: var(--primary);
            color: #fff;
        }
        .mobile-menu.open {
            display: flex;
        }
        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 32px 0 8px;
            font-size: 14px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary);
            font-weight: 600;
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: #ccc;
        }
        /* ===== 文章主体 ===== */
        .article-section {
            padding: 40px 0 60px;
        }
        .article-wrap {
            max-width: 820px;
            margin: 0 auto;
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 48px 56px;
        }
        .article-header {
            border-bottom: 1px solid var(--border);
            padding-bottom: 28px;
            margin-bottom: 32px;
        }
        .article-header .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 18px;
            font-size: 14px;
            color: var(--text-light);
        }
        .article-header .article-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 100px;
        }
        .article-header h1 {
            font-size: 34px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .article-header .article-summary {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            margin-top: 12px;
        }
        .article-content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin: 44px 0 16px;
            letter-spacing: -0.01em;
            position: relative;
            padding-left: 16px;
        }
        .article-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 6px;
            height: 26px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 3px;
        }
        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin: 32px 0 12px;
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content img {
            border-radius: 16px;
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(14, 164, 122, 0.06);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: var(--dark);
            font-style: italic;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 20px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--primary-dark);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }
        .article-content th {
            background: var(--bg);
            font-weight: 700;
            color: var(--dark);
        }
        /* 内容未找到 */
        .not-found-box {
            text-align: center;
            padding: 80px 40px;
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            max-width: 640px;
            margin: 40px auto;
        }
        .not-found-box i {
            font-size: 56px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        /* ===== 相关推荐 ===== */
        .recommend-section {
            padding: 0 0 60px;
        }
        .recommend-section .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .recommend-section .section-title::before {
            content: '';
            width: 6px;
            height: 24px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 3px;
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .recommend-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .2s ease;
            display: flex;
            flex-direction: column;
        }
        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .recommend-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }
        .recommend-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .recommend-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color .2s;
        }
        .recommend-card:hover .card-body h3 {
            color: var(--primary);
        }
        .recommend-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }
        .recommend-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-light);
            margin-top: 12px;
        }
        .recommend-card-lg {
            grid-column: span 7;
        }
        .recommend-card-lg .card-img {
            height: 200px;
        }
        .recommend-card-md {
            grid-column: span 5;
        }
        .recommend-card-sm {
            grid-column: span 5;
        }
        /* ===== CTA条 ===== */
        .article-cta {
            padding: 0 0 60px;
        }
        .cta-panel {
            background: linear-gradient(135deg, var(--dark) 0%, #1a3b33 100%);
            border-radius: 24px;
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(245, 158, 11, 0.15);
            border-radius: 50%;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 60px;
            width: 140px;
            height: 140px;
            background: rgba(14, 164, 122, 0.12);
            border-radius: 50%;
        }
        .cta-panel .cta-text {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }
        .cta-panel .cta-text h3 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .cta-panel .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 460px;
        }
        .cta-panel .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-white {
            background: #fff;
            color: var(--primary-dark);
            border-radius: 12px;
            padding: 14px 30px;
            font-weight: 700;
            font-size: 15px;
            transition: all .2s ease;
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            background: var(--primary-light);
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            transition: all .2s ease;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        /* ===== 返回入口 ===== */
        .back-entry {
            text-align: center;
            padding: 20px 0 60px;
        }
        .back-entry .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 1px solid var(--border);
            border-radius: 12px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all .2s;
        }
        .back-entry .btn-ghost:hover {
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }
        .footer ul a {
            color: rgba(255, 255, 255, 0.6);
            transition: color .2s;
        }
        .footer ul a:hover {
            color: var(--accent);
        }
        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact-list i {
            font-style: normal;
            font-size: 16px;
        }
        .footer-qr {
            text-align: center;
        }
        .qr-placeholder {
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: rgba(255, 255, 255, 0.3);
            margin: 0 auto 12px;
            border: 2px dashed rgba(255, 255, 255, 0.15);
        }
        .footer-qr p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
        }
        /* ===== 浮动CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 50;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 14px 20px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 8px 30px rgba(14, 164, 122, 0.4);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all .3s ease;
        }
        .float-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .float-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.4);
        }
        .float-cta:focus-visible {
            outline: 4px solid rgba(14, 164, 122, 0.25);
            outline-offset: 2px;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-card-lg {
                grid-column: span 12;
            }
            .recommend-card-md,
            .recommend-card-sm {
                grid-column: span 6;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .btn-sm {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .article-wrap {
                padding: 32px 24px;
            }
            .article-header h1 {
                font-size: 26px;
            }
            .recommend-card-md,
            .recommend-card-sm {
                grid-column: span 12;
            }
            .cta-panel {
                padding: 36px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-panel .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .nav-panel {
                padding: 8px 14px;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 16px;
                border-radius: 10px;
            }
            .brand-text {
                font-size: 18px;
            }
            .article-wrap {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .article-header h1 {
                font-size: 22px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .breadcrumb {
                font-size: 13px;
                overflow-x: auto;
                white-space: nowrap;
            }
            .float-cta {
                padding: 12px;
                border-radius: 50%;
                right: 16px;
                bottom: 16px;
            }
            .float-cta span {
                display: none;
            }
        }

/* roulang page: category2 */
:root {
            --primary-dark: #0B6E5A;
            --primary: #0EA47A;
            --primary-light: #10B981;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F7F4EE;
            --bg-deep: #132822;
            --text-primary: #1F2937;
            --text-body: #4B5563;
            --text-light: #9CA3AF;
            --border-color: rgba(19, 40, 34, 0.08);
            --shadow-default: 0 8px 30px rgba(19, 40, 34, 0.08);
            --shadow-hover: 0 16px 40px rgba(19, 40, 34, 0.14);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --transition-base: all 0.2s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 17px;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .header-wrap {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
        }
        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #ffffff;
            border-radius: 20px;
            padding: 12px 24px;
            box-shadow: 0 8px 30px rgba(19, 40, 34, 0.1);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.92);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 20px;
            letter-spacing: -0.02em;
        }
        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .brand-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 12px;
            font-weight: 500;
            font-size: 15px;
            color: var(--text-body);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition-base);
        }
        .nav-item:hover {
            background: rgba(14, 164, 122, 0.08);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .nav-item.active {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 4px 14px rgba(14, 164, 122, 0.3);
        }
        .nav-item.active i {
            color: #fff;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: 12px;
            padding: 14px 28px;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 4px 14px rgba(14, 164, 122, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(14, 164, 122, 0.35);
            filter: brightness(1.05);
        }
        .btn-primary:active {
            transform: translateY(-1px);
        }
        .btn-primary.btn-sm {
            padding: 10px 20px;
            font-size: 15px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary-dark);
            font-weight: 600;
            border: 2px solid var(--primary);
            border-radius: 12px;
            padding: 12px 26px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .btn-outline:hover {
            background: rgba(14, 164, 122, 0.08);
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 600;
            border: none;
            border-radius: 12px;
            padding: 14px 28px;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
        }
        .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-radius: 16px;
            padding: 16px;
            box-shadow: var(--shadow-hover);
            margin-top: 8px;
            gap: 4px;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            font-weight: 500;
            color: var(--text-body);
        }
        .mobile-menu a.active {
            background: var(--primary);
            color: #fff;
        }
        .page-hero {
            padding: 160px 0 80px;
            background: linear-gradient(135deg, #F0FDF4 0%, #ECFDF5 40%, #FEFCE8 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .page-hero-content h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }
        .page-hero-content h1 .gradient-text {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero-content .lead {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 32px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
        }
        .badge-item {
            background: var(--bg-deep);
            border-radius: 16px;
            padding: 16px 22px;
            text-align: center;
            min-width: 120px;
            transition: var(--transition-base);
        }
        .badge-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .badge-item .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .badge-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }
        .page-hero-visual {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            aspect-ratio: 4/3;
        }
        .page-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #ffffff;
        }
        .section-deep {
            background: var(--bg-deep);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(14, 164, 122, 0.1);
            color: var(--primary-dark);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .section-header h2 {
            font-size: 40px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-body);
        }
        .section-alt .section-header h2,
        .section-alt .section-header p {
            color: #fff;
        }
        .section-alt .section-header .section-tag {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: 24px;
            padding: 32px;
            box-shadow: var(--shadow-default);
            border: 1px solid var(--border-color);
            transition: var(--transition-base);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card.feature-card-lg {
            grid-row: span 2;
        }
        .feature-card .icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: rgba(14, 164, 122, 0.1);
            color: var(--primary);
        }
        .feature-card.feature-accent .icon {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .feature-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 16px;
        }
        .feature-card ul {
            list-style: none;
            padding: 0;
        }
        .feature-card ul li {
            position: relative;
            padding-left: 24px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 8px;
        }
        .feature-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }
        .feature-card.feature-accent ul li::before {
            background: var(--accent);
        }
        .feature-card .feature-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .feature-card .feature-list-item:last-child {
            border-bottom: none;
        }
        .feature-card .feature-list-item .icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(14, 164, 122, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .feature-card .feature-list-item .text {
            font-size: 14px;
            color: var(--text-body);
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            background: #fff;
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-default);
            border: 1px solid var(--border-color);
            transition: var(--transition-base);
            text-align: left;
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scene-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .scene-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            text-align: center;
            padding: 24px;
            position: relative;
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(14, 164, 122, 0.3);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-body);
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -12px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.4;
        }
        .process-step:last-child::after {
            display: none;
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .gallery-card {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 3/4;
            cursor: pointer;
            box-shadow: var(--shadow-default);
            transition: var(--transition-base);
        }
        .gallery-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .gallery-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .gallery-card:hover img {
            transform: scale(1.06);
        }
        .gallery-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(19, 40, 34, 0.85) 0%, transparent 100%);
            color: #fff;
        }
        .gallery-card .overlay h3 {
            font-size: 16px;
            font-weight: 600;
        }
        .gallery-card .overlay span {
            font-size: 13px;
            opacity: 0.85;
        }
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 16px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-default);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            gap: 16px;
        }
        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(14, 164, 122, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            font-size: 16px;
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }
        .faq-item.active .faq-answer {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 120%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-container {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .cta-btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-form {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
        }
        .cta-form h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .form-group label .required {
            color: var(--accent);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(19, 40, 34, 0.15);
            border-radius: 12px;
            font-size: 15px;
            background: #fff;
            transition: var(--transition-base);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(14, 164, 122, 0.15);
        }
        .footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
            gap: 40px;
            padding-bottom: 32px;
        }
        .footer .brand-logo .brand-text {
            color: #fff;
        }
        .footer .brand-mark {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition-base);
        }
        .footer ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact-list li i {
            font-style: normal;
        }
        .footer-qr {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 16px;
        }
        .qr-placeholder {
            width: 96px;
            height: 96px;
            background: #fff;
            border-radius: 8px;
            margin: 0 auto 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 32px;
        }
        .footer-qr p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }
        .float-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 8px 24px rgba(14, 164, 122, 0.4);
            cursor: pointer;
            transition: var(--transition-base);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .float-cta.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .float-cta:hover {
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 12px 32px rgba(14, 164, 122, 0.5);
        }
        .crumb {
            padding-top: 120px;
            padding-bottom: 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--text-body);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 220px;
        }
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-body);
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: var(--shadow-default);
        }
        .tag-label:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .tag-label.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        @media (max-width: 1024px) {
            .page-hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-hero-visual {
                order: -1;
                max-height: 320px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card.feature-card-lg {
                grid-row: auto;
            }
            .scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-step::after {
                display: none;
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .mobile-menu {
                display: flex;
            }
            .nav-panel {
                padding: 10px 16px;
            }
        }
        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero {
                padding: 120px 0 48px;
            }
            .page-hero-content h1 {
                font-size: 40px;
            }
            .page-hero-content .lead {
                font-size: 16px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 30px;
            }
            .section-header p {
                font-size: 15px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-form {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
            .float-cta {
                width: 48px;
                height: 48px;
                bottom: 20px;
                right: 20px;
                font-size: 18px;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
        }
        @media (max-width: 520px) {
            .hero-badge-group {
                flex-direction: column;
                align-items: stretch;
            }
            .badge-item {
                min-width: auto;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
        }