/* roulang page: index */
:root {
            --primary: #14453D;
            --primary-strong: #0E332D;
            --accent: #C6A664;
            --secondary-soft: #7C9A8A;
            --bg-canvas: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #222A27;
            --text-sub: #5B6560;
            --line: #E5E1D8;
            --status-green: #2F7D5C;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 2px 8px rgba(16, 63, 54, .06);
            --shadow-hover: 0 8px 24px rgba(16, 63, 54, .12);
            --transition: .3s cubic-bezier(.4, 0, .2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
        }

        .container-x {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-space {
            padding-top: 96px;
            padding-bottom: 96px;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
        }

        h1 {
            font-size: 44px;
            line-height: 1.3;
        }

        h2 {
            font-size: 32px;
            line-height: 1.4;
        }

        h3 {
            font-size: 20px;
            line-height: 1.5;
        }

        .stat-number {
            font-family: 'Noto Serif SC', serif;
            font-size: 56px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-primary:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(198, 166, 100, .4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            background: transparent;
            color: var(--primary);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, .6);
            cursor: pointer;
            transition: all var(--transition);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .15);
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            background: transparent;
            color: var(--primary);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--line)1px solid #E5E1D8;
            cursor: pointer;
            transition: all var(--transition);
            background: #fff;
        }

        .btn-outline-dark:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ==================== HEADER ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(229, 225, 216, .8);
            box-shadow: 0 1px 4px rgba(16, 63, 54, .04);
            transition: box-shadow var(--transition);
        }

        .site-header:hover {
            box-shadow: 0 2px 12px rgba(16, 63, 54, .08);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            font-family: 'Noto Serif SC', serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 2px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
        }

        .nav-item {
            position: relative;
        }

        .nav-item>a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-md);
            position: relative;
            transition: all var(--transition);
        }

        .nav-item>a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .nav-item>a:hover {
            color: var(--primary);
        }

        .nav-item>a:hover::after {
            transform: scaleX(1);
        }

        .nav-item.active>a {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active>a::after {
            transform: scaleX(1);
        }

        .nav-item.has-mega>a .chevron {
            display: inline-block;
            font-size: 12px;
            transform: rotate(0);
            transition: transform var(--transition);
        }

        .nav-item.has-mega:hover>a .chevron {
            transform: rotate(180deg);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .hamburger-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            border: 1px solid var(--line);
            background: transparent;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .hamburger-btn:hover {
            border-color: var(--accent);
            background: rgba(198, 166, 100, .08);
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all .3s ease;
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            width: 780px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 16px 48px rgba(16, 63, 54, .14);
            border: 1px solid rgba(229, 225, 216, .7);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transition: all .35s cubic-bezier(.4, 0, .2, 1);
            z-index: 200;
        }

        .nav-item:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 0.9fr;
            gap: 24px;
        }

        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--line);
        }

        .mega-link-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mega-link-list a {
            display: block;
            padding: 7px 0;
            font-size: 14px;
            color: var(--text-main);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }

        .mega-link-list a:hover {
            color: var(--primary);
            padding-left: 4px;
            border-bottom-color: rgba(198, 166, 100, .3);
        }

        .mega-news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mega-news-list li {
            font-size: 14px;
            line-height: 1.5;
        }

        .mega-news-list a {
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }

        .mega-news-list a:hover {
            color: var(--primary);
        }

        .mega-card {
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-canvas);
            border: 1px solid var(--line);
        }

        .mega-card img {
            width: 100%;
            height: 90px;
            object-fit: cover;
        }

        .mega-card-body {
            padding: 12px;
        }

        .mega-card-body p {
            font-size: 13px;
            line-height: 1.5;
            color: var(--text-sub);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
            box-shadow: 0 12px 32px rgba(16, 63, 54, .1);
            padding: 20px 24px 28px;
            z-index: 99;
            transform: translateY(-12px);
            opacity: 0;
            visibility: hidden;
            transition: all .35s ease;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: block;
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .mobile-nav-list>li>a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            border-bottom: 1px solid var(--line);
        }

        .mobile-nav-list>li>a:hover {
            color: var(--primary);
        }

        .mobile-sub-list {
            list-style: none;
            padding-left: 16px;
            border-bottom: 1px solid var(--line);
        }

        .mobile-sub-list a {
            display: block;
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-sub);
        }

        .mobile-sub-list a:hover {
            color: var(--primary);
        }

        /* ==================== HERO ==================== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            padding: 160px 0 96px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(14, 51, 45, .88), rgba(20, 69, 61, .78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(198, 166, 100, .15), transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-title {
            font-size: 46px;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .hero-title .accent {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 64px rgba(0, 0, 0, .25);
        }

        .hero-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 51, 45, .25), transparent 50%);
        }

        .hero-badge {
            position: absolute;
            bottom: 24px;
            left: 24px;
            right: 24px;
            background: rgba(255, 255, 255, .92);
            border-radius: 12px;
            padding: 16px 20px;
            display: flex;
            gap: 24px;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

        .hero-badge-item {
            flex: 1;
        }

        .hero-badge-item .number {
            font-family: 'Noto Serif SC', serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-badge-item .label {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ==================== SECTION COMMONS ==================== */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 48px;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: 32px;
        }

        .section-head h2 .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin-right: 12px;
            vertical-align: middle;
        }

        .section-desc {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 720px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            position: relative;
            padding-bottom: 4px;
        }

        .text-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .text-link:hover::after {
            width: 100%;
        }

        /* ==================== CORE SERVICES ==================== */
        .services-section {
            background: var(--bg-canvas);
        }

        .services-layout {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 56px;
            align-items: center;
        }

        .service-list {
            display: flex;
            flex-direction: column;
        }

        .service-entry {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 8px;
            border-bottom: 1px solid var(--line);
            transition: background var(--transition);
        }

        .service-entry:first-child {
            border-top: 1px solid var(--line);
        }

        .service-entry:hover {
            background: rgba(198, 166, 100, .04);
            padding-left: 12px;
        }

        .service-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            min-width: 40px;
        }

        .service-info h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }

        .service-info p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .service-more {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            position: relative;
            display: inline-block;
            padding-bottom: 2px;
        }

        .service-more::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .service-entry:hover .service-more::after {
            width: 100%;
        }

        .services-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .services-visual img {
            width: 100%;
            height: 520px;
            object-fit: cover;
        }

        .services-visual .caption-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255, 255, 255, .95);
            border-radius: 10px;
            padding: 16px 20px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .1);
        }

        .services-visual .caption-card h4 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 2px;
        }

        .services-visual .caption-card p {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ==================== STATS ==================== */
        .stats-section {
            background: #E8EFEA;
            padding: 64px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            position: relative;
        }

        .stat-item+.stat-item::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 60px;
            background: rgba(16, 63, 54, .15);
        }

        .stat-number {
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-sub);
        }

        /* ==================== CASE SHOWCASE ==================== */
        .cases-section {
            background: var(--bg-canvas);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 24px;
        }

        .case-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            min-height: 320px;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .case-card:hover img {
            transform: scale(1.03);
        }

        .case-card .case-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(14, 51, 45, .85), transparent);
            padding: 28px 24px 20px;
            color: #fff;
        }

        .case-card .case-overlay h3 {
            font-size: 18px;
            color: #fff;
            margin-bottom: 4px;
        }

        .case-card .case-overlay p {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }

        .case-card-large {
            min-height: 380px;
        }

        .case-card-small {
            min-height: 200px;
        }

        /* ==================== SOLUTIONS ==================== */
        .solutions-section {
            background: var(--bg-canvas);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-default);
            transition: all var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .solution-card.featured {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .solution-card.featured h3 {
            color: #fff;
        }

        .solution-card.featured p {
            color: rgba(255, 255, 255, .75);
        }

        .solution-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .solution-card:not(.featured) .solution-icon {
            background: rgba(198, 166, 100, .15);
            color: var(--primary);
        }

        .solution-card.featured .solution-icon {
            background: rgba(255, 255, 255, .15);
            color: var(--accent);
        }

        .solution-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .solution-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .solution-card.featured p {
            color: rgba(255, 255, 255, .75);
        }

        .solution-more {
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .solution-more:hover {
            gap: 8px;
        }

        .solution-card:not(.featured) .solution-more {
            color: var(--primary);
        }

        .solution-card.featured .solution-more {
            color: var(--accent);
        }

        /* ==================== NEWS ==================== */
        .news-section {
            background: #fff;
        }

        .news-card {
            background: var(--bg-canvas);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(198, 166, 100, .4);
        }

        .news-card .thumb {
            height: 180px;
            overflow: hidden;
        }

        .news-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .thumb img {
            transform: scale(1.03);
        }

        .news-card .body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .badge {
            display: inline-block;
            padding: 2px 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--accent);
            border-radius: var(--radius-pill);
            background: rgba(198, 166, 100, .06);
            align-self: flex-start;
        }

        .news-card h3 {
            font-size: 16px;
            line-height: 1.5;
            font-weight: 600;
            font-family: 'Noto Sans SC', sans-serif;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card time {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: auto;
        }

        .news-empty {
            border: 2px dashed var(--line);
            border-radius: var(--radius-lg);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            background: var(--bg-canvas);
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            background: var(--bg-canvas);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            background: #fff;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 0 24px;
            height: 64px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            transition: all var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(198, 166, 100, .03);
        }

        .faq-question .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(198, 166, 100, .2);
            color: var(--primary);
            font-size: 16px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s cubic-bezier(.4, 0, .2, 1);
            background: #FAF8F3;
            border-left: 3px solid var(--accent);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 20px 24px;
        }

        .faq-answer-inner p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
        }

        /* ==================== CTA ==================== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-strong));
            padding: 72px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 28px;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid #fff;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-white:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
        }

        .btn-ghost-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, .5);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-ghost-white:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .cta-contact-line {
            margin-top: 32px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }

        .cta-contact-line span {
            margin: 0 16px;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: #0C2823;
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.9fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, .1);
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 280px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact p {
            margin-bottom: 6px;
            color: rgba(255, 255, 255, .65);
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1023px) {
            .nav-list {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .mobile-menu.open {
                display: block;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-title {
                font-size: 38px;
            }

            .services-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .services-visual img {
                height: 360px;
            }

            .cases-grid {
                grid-template-columns: 1fr;
            }

            .case-card-large {
                min-height: 280px;
            }

            .solutions-grid {
                grid-template-columns: 1fr 1fr;
            }

            .solutions-grid .solution-card:last-child {
                grid-column: span 2;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --radius-lg: 12px;
            }

            body {
                font-size: 15px;
            }

            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-space {
                padding-top: 64px;
                padding-bottom: 64px;
            }

            h1 {
                font-size: 34px;
            }

            h2 {
                font-size: 24px;
            }

            .hero-section {
                padding: 120px 0 64px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-badge {
                flex-direction: column;
                gap: 12px;
            }

            .hero-visual img {
                height: 260px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .stat-item+.stat-item::before {
                display: none;
            }

            .stat-number {
                font-size: 40px;
            }

            .solutions-grid {
                grid-template-columns: 1fr;
            }

            .solutions-grid .solution-card:last-child {
                grid-column: auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .mega-panel {
                display: none;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 28px;
            }

            .section-head h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-outline {
                width: 100%;
            }

            .services-visual .caption-card {
                position: static;
                margin-top: 0;
                border-radius: 0 0 12px 12px;
            }

            .cta-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-white,
            .btn-ghost-white {
                width: 100%;
            }

            .cta-contact-line {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #14453D;
            --primary-strong: #0E332D;
            --accent: #C6A664;
            --secondary-soft: #7C9A8A;
            --bg-canvas: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #222A27;
            --text-sub: #5B6560;
            --line: #E5E1D8;
            --status: #2F7D5C;
            --radius-lg: 16px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(16, 63, 54, .06);
            --shadow-hover: 0 8px 24px rgba(16, 63, 54, .12);
            --transition: .3s cubic-bezier(.4, 0, .2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-canvas);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, .font-serif {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }

        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(16, 63, 54, .04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 26px;
            font-weight: 700;
            font-family: "Noto Serif SC", serif;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 20px;
        }

        .site-nav .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-item {
            position: relative;
        }

        .nav-item>a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 2px solid transparent;
            line-height: 1.4;
        }

        .nav-item>a:hover {
            color: var(--primary);
        }

        .nav-item.active>a {
            color: var(--primary);
            border-bottom-color: var(--accent);
            font-weight: 600;
        }

        .chevron {
            font-size: 12px;
            color: var(--text-sub);
            transition: transform var(--transition);
        }

        .nav-item:hover .chevron {
            transform: rotate(180deg);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            width: 800px;
            max-width: 90vw;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            box-shadow: 0 16px 40px rgba(16, 63, 54, .12);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 99;
        }

        .nav-item.has-mega:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(4px);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr .8fr;
            gap: 28px;
        }

        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
            letter-spacing: 2px;
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--line);
            text-transform: uppercase;
        }

        .mega-link-list li {
            margin-bottom: 10px;
        }

        .mega-link-list a {
            font-size: 14px;
            color: var(--text-main);
            position: relative;
            display: inline-block;
        }

        .mega-link-list a:hover {
            color: var(--primary);
        }

        .mega-link-list a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            height: 2px;
            width: 0;
            background: var(--accent);
            transition: var(--transition);
        }

        .mega-link-list a:hover::after {
            width: 100%;
        }

        .mega-news-list li {
            margin-bottom: 12px;
            font-size: 14px;
        }

        .mega-news-list a {
            display: block;
            line-height: 1.5;
            color: var(--text-main);
            padding: 8px 10px;
            background: var(--bg-canvas);
            border-radius: 8px;
            transition: var(--transition);
        }

        .mega-news-list a:hover {
            background: #EFEBE2;
            color: var(--primary);
            transform: translateX(4px);
        }

        .mega-card {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--line);
            background: var(--bg-canvas);
            display: flex;
            flex-direction: column;
        }

        .mega-card img {
            height: 120px;
            width: 100%;
            object-fit: cover;
        }

        .mega-card p {
            padding: 12px 14px;
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 8px;
        }

        .menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: var(--bg-canvas);
            padding: 72px 0 56px;
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(198, 166, 100, .18) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
        }

        .page-hero .crumb {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 20px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .page-hero .crumb a:hover {
            color: var(--primary);
        }

        .page-hero h1 {
            font-size: 44px;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-sub);
            max-width: 720px;
            margin-bottom: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-capsule {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            border: 1px solid var(--accent);
            color: var(--primary);
            border-radius: 999px;
            font-size: 14px;
            background: rgba(198, 166, 100, .08);
            transition: var(--transition);
        }

        .tag-capsule:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ===== Section common ===== */
        .section {
            padding: 96px 0;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 40px;
            max-width: 640px;
            line-height: 1.8;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
        }

        .link-arrow::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            height: 2px;
            width: 0;
            background: var(--accent);
            transition: var(--transition);
        }

        .link-arrow:hover::after {
            width: 100%;
        }

        /* ===== Capability Section ===== */
        .capability-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .capability-media {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .capability-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .capability-media:hover img {
            transform: scale(1.03);
        }

        .capability-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(20, 69, 61, .35));
            pointer-events: none;
        }

        .capability-media .badge-data {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(255, 255, 255, .95);
            border-radius: 12px;
            padding: 14px 20px;
            box-shadow: var(--shadow-hover);
        }

        .badge-data .num {
            font-family: "Noto Serif SC", serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .badge-data .label {
            font-size: 13px;
            color: var(--text-sub);
        }

        .capability-list {
            display: flex;
            flex-direction: column;
        }

        .capability-item {
            padding: 24px 0;
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .capability-item:first-child {
            padding-top: 0;
        }

        .capability-item:last-child {
            border-bottom: none;
        }

        .capability-item h3 {
            font-size: 20px;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 6px;
            font-weight: 700;
        }

        .capability-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .capability-item .learn-more {
            font-size: 14px;
            color: var(--primary);
            display: inline-block;
            position: relative;
            padding-bottom: 3px;
        }

        .capability-item .learn-more::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            height: 2px;
            width: 0;
            background: var(--accent);
            transition: var(--transition);
        }

        .capability-item .learn-more:hover::after {
            width: 100%;
        }

        /* ===== List Section ===== */
        .list-section {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .vertical-list {
            display: flex;
            flex-direction: column;
        }

        .list-row {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--line);
            align-items: flex-start;
            transition: var(--transition);
        }

        .list-row:last-child {
            border-bottom: none;
        }

        .list-row:hover {
            padding-left: 8px;
            background: rgba(247, 245, 240, .4);
        }

        .list-thumb {
            width: 120px;
            height: 90px;
            flex-shrink: 0;
            border-radius: 10px;
            overflow: hidden;
            background: #EFEBE2;
            border: 1px solid var(--line);
        }

        .list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .list-row:hover .list-thumb img {
            transform: scale(1.05);
        }

        .list-content {
            flex: 1;
            min-width: 0;
        }

        .list-content h3 {
            font-size: 17px;
            line-height: 1.6;
            margin-bottom: 6px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }

        .list-content h3:hover {
            color: var(--primary);
        }

        .list-content .summary {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #9AA39E;
        }

        .list-meta .cat-tag {
            font-size: 12px;
            color: var(--primary);
            border: 1px solid rgba(198, 166, 100, .8);
            border-radius: 999px;
            padding: 2px 12px;
            background: rgba(198, 166, 100, .08);
            line-height: 1.6;
        }

        /* Pagination */
        .pagination-bar {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }

        .pagination-bar .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition);
        }

        .pagination-bar .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-bar .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Process Section ===== */
        .process-section {
            background: var(--primary);
            color: #fff;
        }

        .process-section .section-title {
            color: #fff;
        }

        .process-section .section-sub {
            color: rgba(255, 255, 255, .7);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 16px;
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
        }

        .process-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }

        .process-step {
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--accent);
            font-weight: 600;
            display: block;
            margin-bottom: 12px;
        }

        .process-item h3 {
            font-size: 18px;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .process-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.7;
        }

        /* ===== Scenarios ===== */
        .scenarios-card {
            border: 1px solid var(--line);
            border-radius: 16px;
            background: #fff;
            padding: 32px;
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
            transition: var(--transition);
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .scenarios-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .scenarios-card .scenario-icon {
            width: 64px;
            height: 64px;
            flex-shrink: 0;
            background: var(--bg-canvas);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            border: 1px solid var(--line);
        }

        .scenarios-card h3 {
            font-size: 20px;
            margin-bottom: 6px;
            color: var(--text-main);
            font-weight: 600;
        }

        .scenarios-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-q {
            width: 100%;
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            text-align: left;
            transition: var(--transition);
        }

        .faq-q:hover {
            color: var(--primary);
        }

        .faq-q .faq-icon {
            font-size: 22px;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(135deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s cubic-bezier(.4, 0, .2, 1);
        }

        .faq-a-inner {
            padding: 0 20px 24px;
            background: var(--bg-canvas);
            margin: 0 8px;
            border-radius: 10px;
            border-left: 3px solid var(--accent);
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
        }

        /* ===== CTA ===== */
        .cta-bar {
            background: var(--primary);
            border-radius: 16px;
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin: 96px 0;
            box-shadow: var(--shadow-hover);
        }

        .cta-bar h2 {
            color: #fff;
            font-size: 24px;
            line-height: 1.5;
            font-weight: 600;
        }

        .cta-bar p {
            color: rgba(255, 255, 255, .75);
            font-size: 14px;
            margin-top: 4px;
        }

        .btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            height: 48px;
            padding: 0 28px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid var(--primary);
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(198, 166, 100, .5);
            outline-offset: 2px;
        }

        .btn-ghost {
            height: 48px;
            padding: 0 28px;
            border-radius: 8px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, .6);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-strong);
            color: rgba(255, 255, 255, .8);
            padding: 64px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-icon {
            background: var(--accent);
            color: var(--primary);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
            position: relative;
            padding-bottom: 2px;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            height: 1px;
            width: 0;
            background: var(--accent);
            transition: var(--transition);
        }

        .footer-links a:hover::after {
            width: 100%;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .menu-toggle {
                display: flex;
            }

            .site-nav {
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 12px 24px rgba(16, 63, 54, .08);
                max-height: calc(100vh - 76px);
                overflow-y: auto;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: var(--transition);
                padding: 16px 24px;
            }

            .site-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .site-nav .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-item>a {
                border-bottom: none;
                border-left: 2px solid transparent;
                padding: 14px 12px;
                border-radius: 8px;
            }

            .nav-item.active>a {
                background: var(--bg-canvas);
                border-left-color: var(--accent);
            }

            .mega-panel {
                position: static;
                width: 100%;
                transform: none;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                border-left: 2px solid var(--line);
                margin: 4px 0 8px;
                padding: 16px;
                max-height: 0;
                overflow: hidden;
                transition: max-height .4s ease;
            }

            .nav-item.has-mega:hover .mega-panel {
                transform: none;
                max-height: 800px;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .mega-card img {
                height: 100px;
            }

            .capability-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .section-title {
                font-size: 24px;
            }

            .capability-media img {
                height: 260px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .scenarios-card {
                flex-direction: column;
                text-align: left;
                padding: 24px;
            }

            .list-row {
                flex-direction: column;
                gap: 12px;
                padding: 20px 0;
            }

            .list-thumb {
                width: 100%;
                height: 160px;
            }

            .cta-bar {
                padding: 32px 24px;
                margin: 64px 0;
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #14453D;
            --primary-strong: #0E332D;
            --accent: #C6A664;
            --secondary-soft: #7C9A8A;
            --bg-canvas: #F7F5F0;
            --card: #FFFFFF;
            --text-main: #222A27;
            --text-sub: #5B6560;
            --line: #E5E1D8;
            --status-green: #2F7D5C;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 2px 8px rgba(16, 63, 54, .06);
            --shadow-hover: 0 8px 24px rgba(16, 63, 54, .12);
            --transition: .3s cubic-bezier(.4, 0, .2, 1);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-canvas);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮体系 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .02em;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .7);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            border: 1px solid #fff;
        }

        .btn-light:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(198, 166, 100, .5);
            outline-offset: 2px;
        }

        .btn:active {
            transform: translateY(0) scale(.98);
        }

        /* ===== 标签/徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            line-height: 1;
            border: 1px solid rgba(198, 166, 100, .6);
            color: #8A6D3B;
            background: rgba(198, 166, 100, .08);
        }

        .badge-white {
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
            background: rgba(255, 255, 255, .1);
        }

        .badge-solid {
            background: var(--accent);
            color: var(--primary-strong);
            border-color: var(--accent);
            font-weight: 600;
        }

        /* ===== 区块标题 ===== */
        .section {
            padding: 96px 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--primary-strong);
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .section-subtitle {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .12em;
            color: var(--accent);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-subtitle::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 0 rgba(16, 63, 54, .03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-strong);
            letter-spacing: .02em;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-item {
            position: relative;
        }

        .nav-item>a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 76px;
            padding: 0 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
        }

        .nav-item>a::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .nav-item>a:hover {
            color: var(--primary);
        }

        .nav-item>a:hover::after,
        .nav-item.active>a::after {
            transform: scaleX(1);
        }

        .nav-item.active>a {
            color: var(--primary);
            font-weight: 600;
        }

        .chevron {
            font-size: 12px;
            transition: var(--transition);
        }

        .has-mega:hover .chevron {
            transform: rotate(180deg);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 8px;
            background: var(--bg-canvas);
        }

        .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ===== Mega Menu ===== */
        .mega-panel {
            position: absolute;
            left: 50%;
            top: 76px;
            transform: translateX(-50%) translateY(10px);
            width: 1200px;
            max-width: calc(100vw - 48px);
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 16px 48px rgba(16, 63, 54, .16);
            border: 1px solid var(--line);
            padding: 32px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 100;
        }

        .has-mega:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.1fr 1.2fr .9fr;
            gap: 36px;
        }

        .mega-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-strong);
            letter-spacing: .08em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .mega-link-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mega-link-list a {
            font-size: 14px;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }

        .mega-link-list a::before {
            content: '›';
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
        }

        .mega-link-list a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .mega-news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .mega-news-list a {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
            display: block;
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--line);
        }

        .mega-news-list a:hover {
            color: var(--primary);
        }

        .mega-card {
            background: var(--bg-canvas);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--line);
        }

        .mega-card img {
            width: 100%;
            height: 100px;
            object-fit: cover;
        }

        .mega-card p {
            font-size: 13px;
            color: var(--text-sub);
            padding: 12px 16px 4px;
            line-height: 1.5;
        }

        .mega-card a {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            padding: 4px 16px 14px;
        }

        .mega-card a:hover {
            color: var(--accent);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 70vh;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(14, 51, 45, .92) 0%, rgba(20, 69, 61, .82) 45%, rgba(20, 69, 61, .4) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 60px;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .hero h1 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            letter-spacing: .02em;
            margin-bottom: 24px;
        }

        .hero h1 span {
            display: block;
            font-size: 22px;
            font-weight: 400;
            color: rgba(255, 255, 255, .85);
            margin-top: 16px;
            letter-spacing: .06em;
            line-height: 1.4;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .88);
            max-width: 620px;
            margin-bottom: 36px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 20px;
            padding: 40px 32px;
            width: 100%;
            max-width: 380px;
            backdrop-filter: blur(4px);
            text-align: center;
        }

        .hero-visual-card .stat-number {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 56px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-visual-card .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            margin-top: 4px;
        }

        .hero-visual-card .divider-line {
            width: 60px;
            height: 2px;
            background: var(--accent);
            margin: 28px auto;
        }

        .hero-visual-card .hero-mini-item {
            text-align: left;
            padding: 10px 0;
            border-top: 1px solid rgba(255, 255, 255, .12);
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }

        /* ===== 核心服务 ===== */
        .services-section {
            background: var(--bg-canvas);
        }

        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .service-list {
            display: flex;
            flex-direction: column;
        }

        .service-item {
            padding: 24px 20px;
            border-radius: 12px;
            border-left: 3px solid transparent;
            transition: var(--transition);
            cursor: default;
        }

        .service-item:hover,
        .service-item.active {
            background: #fff;
            border-left-color: var(--accent);
            box-shadow: var(--shadow-default);
        }

        .service-item h3 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .service-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .service-item a {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            position: relative;
        }

        .service-item a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .service-item a:hover::after {
            width: 100%;
        }

        .service-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .service-img-wrap img {
            width: 100%;
            height: 520px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .service-img-wrap:hover img {
            transform: scale(1.03);
        }

        .service-img-tag {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255, 255, 255, .92);
            border-radius: 12px;
            padding: 16px 20px;
            font-size: 14px;
            color: var(--primary);
            line-height: 1.5;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
        }

        /* ===== 优势数据 ===== */
        .stats-section {
            background: #EDF1EE;
            padding: 72px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
        }

        .stat-item {
            text-align: center;
            padding: 16px 32px;
            position: relative;
        }

        .stat-item+.stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 56px;
            background: rgba(16, 63, 54, .15);
        }

        .stat-item .stat-number {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 56px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-item .stat-number .suffix {
            font-size: 24px;
            margin-left: 4px;
            color: var(--accent);
        }

        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-sub);
            margin-top: 8px;
            letter-spacing: .04em;
        }

        /* ===== 案例展示 ===== */
        .cases-section {
            background: #fff;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 24px;
        }

        .case-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            display: block;
            box-shadow: var(--shadow-default);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform .5s ease;
        }

        .case-card:hover img {
            transform: scale(1.03);
        }

        .case-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 51, 45, .75) 100%);
        }

        .case-info {
            position: relative;
            z-index: 2;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px;
            color: #fff;
        }

        .case-card.case-main {
            min-height: 420px;
        }

        .case-card.case-main .case-info h3 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-card .case-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.6;
            margin: 0;
        }

        .case-card .case-tag {
            display: inline-block;
            height: 26px;
            line-height: 26px;
            padding: 0 12px;
            border-radius: 999px;
            background: rgba(198, 166, 100, .25);
            border: 1px solid rgba(198, 166, 100, .5);
            font-size: 12px;
            color: #fff;
            margin-bottom: 12px;
        }

        /* ===== 解决方案 ===== */
        .solutions-section {
            background: var(--bg-canvas);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-default);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .solution-card.dark {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .solution-card .solution-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(198, 166, 100, .12);
            border: 1px solid rgba(198, 166, 100, .3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .solution-card.dark .solution-icon {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .2);
        }

        .solution-card h3 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary-strong);
        }

        .solution-card.dark h3 {
            color: #fff;
        }

        .solution-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .solution-card.dark p {
            color: rgba(255, 255, 255, .8);
        }

        .solution-card .solution-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .solution-card.dark .solution-link {
            color: var(--accent);
        }

        .solution-card .solution-link:hover {
            color: var(--accent);
        }

        .solution-card.dark .solution-link:hover {
            color: #fff;
        }

        /* ===== 最新动态 ===== */
        .news-section {
            background: #fff;
        }

        .news-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .news-header .link-arrow {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-header .link-arrow:hover {
            color: var(--accent);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-canvas);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .news-card .news-thumb {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
            background: #E9E5DD;
        }

        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-card .news-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .badge {
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card .news-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #8A8F8B;
            padding-top: 16px;
            border-top: 1px solid var(--line);
        }

        .news-card .news-foot a {
            color: var(--primary);
            font-weight: 500;
        }

        .news-card .news-foot a:hover {
            color: var(--accent);
        }

        .news-empty {
            border: 2px dashed var(--line);
            border-radius: var(--radius-lg);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            background: var(--bg-canvas);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-canvas);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            box-shadow: var(--shadow-default);
            border-color: rgba(198, 166, 100, .5);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 60px;
            padding: 0 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--bg-canvas);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            color: var(--accent);
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary-strong);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s cubic-bezier(.4, 0, .2, 1);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            border-left: 3px solid var(--accent);
            margin-left: 24px;
            background: #FAF9F5;
            border-radius: 0 12px 12px 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .05);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 32px;
        }

        .cta-contact {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 28px;
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
        }

        .cta-contact span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-strong);
            color: rgba(255, 255, 255, .7);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .6);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .04em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-contact p {
            font-size: 14px;
            line-height: 2;
            color: rgba(255, 255, 255, .65);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .section {
                padding: 64px 0;
            }

            .nav-list {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px 24px 32px;
                box-shadow: 0 12px 32px rgba(16, 63, 54, .1);
                transform: translateY(-120%);
                transition: var(--transition);
                max-height: calc(100vh - 76px);
                overflow-y: auto;
                z-index: 999;
                border-bottom: 1px solid var(--line);
            }

            .nav-list.open {
                transform: translateY(0);
            }

            .nav-item>a {
                height: 52px;
                padding: 0 8px;
                width: 100%;
            }

            .nav-item>a::after {
                left: 8px;
                right: 8px;
            }

            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                width: 100%;
                box-shadow: none;
                border: 1px solid var(--line);
                border-radius: 12px;
                padding: 20px;
                margin-top: 4px;
                margin-bottom: 12px;
            }

            .has-mega:hover .mega-panel {
                transform: none;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .mega-card {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .header-actions .btn-sm {
                display: none;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
                padding-top: 60px;
                padding-bottom: 60px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero h1 span {
                font-size: 18px;
            }

            .hero-visual-card {
                max-width: 100%;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .service-img-wrap img {
                height: 400px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .stat-item+.stat-item::before {
                display: none;
            }

            .stat-item .stat-number {
                font-size: 44px;
            }

            .cases-grid {
                grid-template-columns: 1fr;
            }

            .case-card,
            .case-card.case-main {
                min-height: 320px;
            }

            .solution-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .container-x {
                padding-left: 20px;
                padding-right: 20px;
            }

            .section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 15px;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .hero h1 {
                font-size: 30px;
            }

            .hero h1 span {
                font-size: 16px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-cta .btn {
                width: 100%;
            }

            .service-img-wrap img {
                height: 300px;
            }

            .service-item {
                padding: 20px 16px;
            }

            .stats-section {
                padding: 48px 0;
            }

            .stat-item .stat-number {
                font-size: 40px;
            }

            .case-card,
            .case-card.case-main {
                min-height: 260px;
            }

            .case-card .case-info {
                padding: 20px;
            }

            .case-card .case-info h3 {
                font-size: 20px;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .news-card .news-thumb {
                height: 180px;
            }

            .faq-question {
                font-size: 15px;
                padding: 0 16px;
            }

            .faq-answer-inner {
                margin-left: 16px;
                padding: 0 16px 18px;
            }

            .cta-section {
                padding: 56px 0;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .cta-contact {
                flex-direction: column;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }

            .news-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #14453D;
            --primary-strong: #0E332D;
            --accent: #C6A664;
            --secondary-soft: #7C9A8A;
            --bg-canvas: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #222A27;
            --text-sub: #5B6560;
            --line: #E5E1D8;
            --success: #2F7D5C;
            --radius-lg: 16px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 2px 8px rgba(16, 63, 54, .06);
            --shadow-hover: 0 8px 24px rgba(16, 63, 54, .12);
            --transition: .3s cubic-bezier(.4, 0, .2, 1);
            --container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-canvas);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .3s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-x {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease;
        }

        .site-header:hover {
            box-shadow: 0 4px 20px rgba(16, 63, 54, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: "Noto Serif SC", serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            cursor: pointer;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(16, 63, 54, .2);
        }

        /* Nav */
        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
        }

        .nav-item {
            position: relative;
        }

        .nav-item>a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color .3s ease;
        }

        .nav-item>a:hover {
            color: var(--primary);
        }

        .nav-item.active>a {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active>a::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .chevron {
            font-size: 12px;
            transition: transform .3s ease;
        }

        .nav-item.has-mega:hover .chevron {
            transform: rotate(180deg);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            width: 780px;
            max-width: 90vw;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 60px rgba(16, 63, 54, .16);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, transform .3s ease, visibility .3s;
            border: 1px solid var(--line);
        }

        .nav-item.has-mega:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 28px;
        }

        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
            text-transform: uppercase;
            letter-spacing: .08em;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--line);
        }

        .mega-link-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
        }

        .mega-link-list a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-main);
            position: relative;
        }

        .mega-link-list a:hover {
            color: var(--primary);
            padding-left: 12px;
        }

        .mega-link-list a::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .3s ease;
        }

        .mega-link-list a:hover::before {
            width: 6px;
        }

        .mega-news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mega-news-list a {
            font-size: 14px;
            line-height: 1.5;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .mega-news-list a:hover {
            color: var(--primary);
        }

        .mega-card {
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--line);
            min-height: 120px;
            background: var(--bg-canvas);
        }

        .mega-card img {
            width: 100%;
            height: 130px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .mega-card:hover img {
            transform: scale(1.04);
        }

        /* Header CTA */
        .header-cta {
            margin-left: auto;
            display: flex;
            align-items: center;
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background .3s ease;
        }

        .nav-toggle:hover {
            background: rgba(20, 69, 61, .08);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all .3s cubic-bezier(.4, 0, .2, 1);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--primary-strong);
            background: rgba(198, 166, 100, .08);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            border: 2px solid #fff;
        }

        .btn-light:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
        }

        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(198, 166, 100, .5);
            outline-offset: 2px;
        }

        /* Hero / Page Header */
        .page-hero {
            position: relative;
            background: var(--primary-strong);
            color: #fff;
            padding: 96px 0 88px;
            overflow: hidden;
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .35;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 51, 45, .92) 30%, rgba(14, 51, 45, .55) 70%, rgba(14, 51, 45, .75) 100%);
        }

        .page-hero .container-x {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: .04em;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-family: "Noto Serif SC", serif;
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
            margin-bottom: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }

        .hero-tag {
            padding: 5px 16px;
            background: rgba(198, 166, 100, .18);
            border: 1px solid rgba(198, 166, 100, .35);
            color: #F2E8D5;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }

        /* Section spacing */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-sm {
            padding: 64px 0;
        }

        .section-header {
            margin-bottom: 44px;
            max-width: 720px;
        }

        .section-header h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 14px;
        }

        .section-header h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-header.center h2::after {
            left: 50%;
            transform: translateX(-50%);
        }

        /* Content Cards Grid (4 columns) */
        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(198, 166, 100, .4);
        }

        .content-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #EEEBE3;
        }

        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .content-card:hover .card-img img {
            transform: scale(1.04);
        }

        .content-card .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
        }

        .content-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-main);
            font-family: "Noto Sans SC", sans-serif;
        }

        .content-card .card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-link {
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            position: relative;
            padding-bottom: 2px;
        }

        .content-card .card-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            height: 2px;
            width: 0;
            background: var(--accent);
            transition: width .3s ease;
        }

        .content-card .card-link:hover::after {
            width: 100%;
        }

        /* Feature section (图文交替) */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 72px;
        }

        .feature-block:last-child {
            margin-bottom: 0;
        }

        .feature-block.reverse .feature-media {
            order: 2;
        }

        .feature-block.reverse .feature-content {
            order: 1;
        }

        .feature-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            border: 1px solid var(--line);
            position: relative;
        }

        .feature-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .feature-media:hover img {
            transform: scale(1.03);
        }

        .feature-content h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .feature-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .feature-content ul {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .feature-content ul li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-main);
            padding: 8px 12px;
            background: rgba(124, 154, 138, .1);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent);
        }

        /* Workflow Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 20px 24px;
            text-align: center;
            transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-family: "Noto Serif SC", serif;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            transition: background .3s ease;
        }

        .step-card:hover::before {
            background: var(--accent);
            color: var(--primary-strong);
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .step-card p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-sub);
        }

        /* Stats */
        .stats-section {
            background: var(--primary);
            padding: 80px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
        }

        .stat-item {
            text-align: center;
            padding: 24px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 64px;
            background: rgba(255, 255, 255, .2);
        }

        .stat-number {
            font-family: "Noto Serif SC", serif;
            font-size: 56px;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
        }

        .stat-number .unit {
            font-size: 22px;
            margin-left: 2px;
            color: var(--accent);
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-default);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            background: #fff;
            transition: color .3s ease;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(20, 69, 61, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: transform .3s ease, background .3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
            background: #FAF8F3;
            border-top: 0 solid var(--line);
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            border-top-width: 1px;
        }

        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
            border-left: 3px solid var(--accent);
            margin: 16px 24px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            background: rgba(198, 166, 100, .06);
        }

        /* CTA bar */
        .cta-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(198, 166, 100, .12);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            max-width: 560px;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-strong);
            color: rgba(255, 255, 255, .8);
            padding: 72px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            background: var(--accent);
            color: var(--primary-strong);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color .3s ease, padding-left .3s ease;
            position: relative;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 8px;
        }

        .footer-links a::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .3s ease;
        }

        .footer-links a:hover::before {
            width: 4px;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.6;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            transition: color .3s ease;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Pagination placeholder */
        .pagination-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            background: #fff;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            transition: all .3s ease;
        }

        .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .page-btn.load-more {
            min-width: 120px;
            border-style: dashed;
            color: var(--text-sub);
        }

        .page-btn.load-more:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(198, 166, 100, .08);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .nav-toggle {
                display: inline-flex;
            }

            .nav-list {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 32px;
                box-shadow: 0 20px 40px rgba(16, 63, 54, .1);
                border-bottom: 1px solid var(--line);
                max-height: 0;
                overflow: hidden;
                visibility: hidden;
                opacity: 0;
                transition: max-height .4s ease, opacity .3s ease, visibility .3s;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                gap: 4px;
            }

            .nav-list.open {
                max-height: 80vh;
                overflow-y: auto;
                visibility: visible;
                opacity: 1;
            }

            .nav-item>a {
                padding: 14px 16px;
                font-size: 16px;
                width: 100%;
                justify-content: space-between;
            }

            .nav-item.active>a::after {
                display: none;
            }

            .nav-item.active>a {
                background: rgba(20, 69, 61, .06);
                border-radius: var(--radius-sm);
            }

            .mega-panel {
                position: static;
                width: 100%;
                transform: none;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                padding: 12px 16px;
                margin-top: 0;
                border: none;
                border-left: 2px solid var(--accent);
                border-radius: 0;
                display: none;
                background: #FAF8F3;
            }

            .nav-item.has-mega:hover .mega-panel {
                transform: none;
            }

            .nav-item.has-mega.open .mega-panel {
                display: block;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .mega-card img {
                height: 100px;
            }

            .header-cta {
                margin-left: auto;
            }

            .header-cta .btn-sm {
                display: none;
            }

            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .feature-block.reverse .feature-media {
                order: 1;
            }

            .feature-block.reverse .feature-content {
                order: 2;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .stat-number {
                font-size: 40px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .section {
                padding: 64px 0;
            }

            .section-header h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 767px) {
            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 64px;
            }

            .logo {
                font-size: 20px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .cards-grid-4 {
                grid-template-columns: 1fr;
            }

            .feature-content ul {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .stat-item:not(:last-child)::after {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-inner h2 {
                font-size: 22px;
            }

            .cta-inner .btn {
                width: 100%;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 16px;
            }

            .faq-answer-inner {
                margin: 12px 16px 16px;
                padding: 16px;
                font-size: 13px;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .feature-media img {
                height: 220px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .pagination-bar {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .btn {
                padding: 0 20px;
                height: 44px;
            }

            .hero-tag {
                font-size: 12px;
                padding: 4px 12px;
            }

            .step-card {
                padding: 20px 16px;
            }

            .stat-number {
                font-size: 34px;
            }

            .section {
                padding: 48px 0;
            }
        }
