/* roulang page: index */
:root {
            --primary: #17203B;
            --secondary: #1E4A5A;
            --gold: #D9A441;
            --gold-light: #E8C06B;
            --gold-dark: #B8852E;
            --bg: #F4F3F7;
            --card: #FFFFFF;
            --text: #1C2431;
            --text-light: #5A6474;
            --border: #E3E5EC;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 2px 12px rgba(23, 32, 59, .06);
            --shadow-hover: 0 12px 32px rgba(23, 32, 59, .12);
            --transition: .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 2px;
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
        }

        .section-head h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 44px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 15px;
            margin-top: 14px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            border-radius: 999px;
            padding: 12px 30px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn:focus,
        .btn:active:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(217, 164, 65, .18);
        }

        .btn-gold {
            background: var(--gold);
            color: var(--primary);
            border: 1px solid var(--gold);
        }

        .btn-gold:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 164, 65, .3);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .7);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(23, 32, 59, .2);
        }

        .badge-tag {
            display: inline-block;
            background: rgba(217, 164, 65, .14);
            color: var(--gold-dark);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
        }

        /* ===== Floating Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 80px);
            max-width: 1200px;
            z-index: 1060;
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(23, 32, 59, .92);
            border-radius: 999px;
            padding: 8px 16px 8px 24px;
            border: 1px solid rgba(255, 255, 255, .08);
            box-shadow: 0 8px 28px rgba(23, 32, 59, .25);
            transition: all .3s ease;
        }

        .site-header.scrolled .dock-nav {
            background: rgba(23, 32, 59, .97);
            border-color: rgba(217, 164, 65, .4);
            box-shadow: 0 10px 32px rgba(23, 32, 59, .35);
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), #F0D48A);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            box-shadow: 0 0 0 3px rgba(217, 164, 65, .25);
        }

        .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .main-menu {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .main-menu a {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            padding: 8px 18px;
            border-radius: 999px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-menu a:hover {
            color: var(--gold);
            background: rgba(217, 164, 65, .08);
        }

        .main-menu a.active {
            color: var(--gold);
            background: rgba(217, 164, 65, .12);
        }

        .main-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

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

        .dock-actions .btn-gold {
            padding: 8px 22px;
            font-size: 14px;
        }

        .search-toggle,
        .hamburger {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .3);
            background: transparent;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .search-toggle:hover,
        .hamburger:hover {
            color: var(--gold);
            border-color: var(--gold);
        }

        .hamburger {
            display: none;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: 16px;
            border: 1px solid rgba(217, 164, 65, .3);
            box-shadow: 0 12px 32px rgba(23, 32, 59, .35);
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu a {
            color: rgba(255, 255, 255, .85);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--gold);
            background: rgba(217, 164, 65, .1);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: linear-gradient(120deg, rgba(23, 32, 59, .96) 0%, rgba(30, 74, 90, .9) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 150px 0 90px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            left: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 20% 40%, rgba(255, 255, 255, .08) 1px, transparent 1px),
                radial-gradient(circle at 70% 25%, rgba(255, 255, 255, .06) 1px, transparent 1px),
                radial-gradient(circle at 45% 75%, rgba(255, 255, 255, .05) 1px, transparent 1px),
                radial-gradient(circle at 85% 60%, rgba(255, 255, 255, .07) 1px, transparent 1px);
            background-size: 220px 220px, 320px 320px, 260px 260px, 400px 400px;
            pointer-events: none;
        }

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

        .hero-content {
            max-width: 560px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 164, 65, .15);
            border: 1px solid rgba(217, 164, 65, .35);
            color: var(--gold-light);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 2px;
            margin-bottom: 18px;
        }

        .hero h1 .gold-text {
            color: var(--gold);
        }

        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .86);
            margin-bottom: 36px;
            max-width: 440px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
            max-width: 100%;
            height: auto;
        }

        .hero-orbit {
            position: absolute;
            width: 120%;
            max-width: 560px;
            height: 560px;
            border: 1px solid rgba(217, 164, 65, .25);
            border-radius: 50%;
            animation: spin 32s linear infinite;
            pointer-events: none;
        }

        .hero-orbit::before {
            content: '';
            position: absolute;
            top: -6px;
            left: 50%;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 16px rgba(217, 164, 65, .7);
        }

        @keyframes spin {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        /* ===== Services ===== */
        .services-section {
            background: var(--bg);
        }

        .service-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, .4);
        }

        .service-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 1px solid rgba(217, 164, 65, .5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--gold-dark);
            margin-bottom: 20px;
            transition: all var(--transition);
            background: rgba(217, 164, 65, .06);
        }

        .service-card:hover .icon-wrap {
            background: var(--gold);
            color: var(--primary);
            border-color: var(--gold);
        }

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

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }

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

        .service-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .service-link:hover {
            color: var(--gold-dark);
        }

        .service-link:hover i {
            transform: translateX(4px);
        }

        .service-card.dark-card {
            background: var(--primary);
            border-color: var(--primary);
        }

        .service-card.dark-card h3 {
            color: #fff;
        }

        .service-card.dark-card p {
            color: rgba(255, 255, 255, .75);
        }

        .service-card.dark-card .icon-wrap {
            border-color: var(--gold);
            background: rgba(217, 164, 65, .15);
            color: var(--gold);
        }

        .service-card.dark-card .service-link {
            color: var(--gold);
        }

        .service-card.dark-card:hover {
            box-shadow: 0 12px 32px rgba(23, 32, 59, .3);
            border-color: var(--gold);
        }

        .service-card.dark-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20px;
            width: 36px;
            height: 3px;
            background: var(--gold);
            border-radius: 0 0 4px 4px;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--primary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

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

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            text-align: center;
        }

        .stat-item {
            padding: 12px 24px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 46px;
            background: rgba(255, 255, 255, .15);
        }

        .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            font-family: 'Inter', 'PingFang SC', sans-serif;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .82);
            margin-top: 6px;
        }

        /* ===== Cases ===== */
        .cases-section {
            background: var(--bg);
        }

        .case-card {
            display: block;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: all var(--transition);
        }

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

        .case-img {
            position: relative;
            overflow: hidden;
        }

        .case-large .case-img {
            height: 320px;
        }

        .case-small .case-img {
            height: 180px;
        }

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

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

        .case-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(23, 32, 59, .85);
            color: var(--gold-light);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 2;
            letter-spacing: 1px;
        }

        .case-body {
            padding: 22px 24px 26px;
        }

        .case-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .case-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .case-small .case-body {
            padding: 16px 18px 18px;
        }

        .case-small .case-body h3 {
            font-size: 16px;
            margin-bottom: 4px;
        }

        .case-small .case-body p {
            font-size: 13px;
        }

        /* ===== Solutions ===== */
        .solutions-section {
            background: linear-gradient(135deg, rgba(244, 243, 247, .6), rgba(217, 164, 65, .06)), var(--bg);
        }

        .solution-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            height: 100%;
            position: relative;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .solution-card.featured {
            border: 1px solid var(--gold);
            box-shadow: 0 4px 24px rgba(217, 164, 65, .15);
        }

        .recommend-badge {
            position: absolute;
            top: -14px;
            left: 30px;
            background: var(--gold);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 999px;
            letter-spacing: 2px;
            box-shadow: 0 4px 12px rgba(217, 164, 65, .3);
        }

        .solution-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            border: 1px solid rgba(217, 164, 65, .45);
            background: rgba(217, 164, 65, .06);
            color: var(--gold-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }

        .solution-card.featured .solution-icon {
            background: var(--gold);
            color: var(--primary);
            border-color: var(--gold);
        }

        .solution-card h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .solution-scope {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 18px;
        }

        .solution-card ul {
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .solution-card ul li {
            font-size: 14px;
            color: var(--text);
            padding: 5px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .solution-card ul li i {
            color: var(--gold);
            font-size: 14px;
            margin-top: 3px;
        }

        .solution-card .btn {
            width: 100%;
        }

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

        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            margin-bottom: 16px;
            display: flex;
            gap: 20px;
            transition: all var(--transition);
            align-items: center;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, .4);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg);
        }

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

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

        .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-body h3 a {
            transition: color var(--transition);
        }

        .news-body h3 a:hover {
            color: var(--gold-dark);
        }

        .news-body .news-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

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

        .news-meta .badge-tag {
            font-size: 11px;
            padding: 2px 10px;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-light);
        }

        .read-more {
            margin-left: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .read-more:hover {
            color: var(--gold-dark);
        }

        .read-more i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .read-more:hover i {
            transform: translateX(3px);
        }

        .news-empty {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-light);
        }

        .news-empty i {
            font-size: 32px;
            color: var(--gold);
            margin-bottom: 12px;
            display: block;
        }

        .news-empty p {
            font-size: 15px;
            color: var(--text-light);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: linear-gradient(180deg, var(--bg) 0%, #F1EFF5 100%);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(217, 164, 65, .35);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--gold-dark);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--gold);
            flex-shrink: 0;
            transition: transform .3s ease;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== Contact ===== */
        .contact-section {
            background: linear-gradient(120deg, var(--primary) 0%, var(--secondary) 100%);
            position: relative;
            overflow: hidden;
        }

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

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

        .contact-section .section-head p {
            color: rgba(255, 255, 255, .75);
        }

        .contact-section .section-head h2::after {
            background: var(--gold);
        }

        .contact-box {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 36px;
            height: 100%;
        }

        .contact-form .form-label {
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .contact-form .form-control {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 16px;
            color: #fff;
            transition: all var(--transition);
            margin-bottom: 18px;
        }

        .contact-form .form-control::placeholder {
            color: rgba(255, 255, 255, .45);
        }

        .contact-form .form-control:focus {
            background: rgba(255, 255, 255, .12);
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(217, 164, 65, .18);
            outline: none;
            color: #fff;
        }

        .contact-form textarea.form-control {
            resize: vertical;
            min-height: 110px;
        }

        .form-feedback {
            color: var(--gold-light);
            font-size: 14px;
            margin-top: 10px;
        }

        .form-feedback i {
            margin-right: 6px;
        }

        .contact-info-list {
            margin-top: 8px;
        }

        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 12px 0;
            color: rgba(255, 255, 255, .88);
            font-size: 15px;
        }

        .contact-info-item i {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(217, 164, 65, .6);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .contact-info-item a {
            color: rgba(255, 255, 255, .88);
        }

        .contact-info-item a:hover {
            color: var(--gold);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 56px 0 24px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 13px;
        }

        .footer-brand .brand-text {
            font-size: 18px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            padding: 4px 0;
            transition: all var(--transition);
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            padding: 5px 0;
        }

        .footer-contact-item i {
            color: var(--gold);
            font-size: 13px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .section {
                padding: 64px 0;
            }

            .hero {
                padding: 130px 0 70px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .main-menu {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px 0;
            }

            .stat-item:nth-child(2)::after {
                display: none;
            }

            .case-small .case-img {
                height: 200px;
            }

            .hero-visual {
                margin-top: 48px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

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

            .site-header {
                width: calc(100% - 32px);
                top: 12px;
            }

            .dock-nav {
                border-radius: 999px;
                padding: 6px 12px 6px 18px;
            }

            .brand-text {
                font-size: 17px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }

            .dock-actions .btn-gold {
                display: none;
            }

            .hero {
                padding: 120px 0 60px;
            }

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

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

            .hero-orbit {
                display: none;
            }

            .stat-number {
                font-size: 32px;
            }

            .case-large .case-img {
                height: 220px;
            }

            .news-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }

            .news-thumb {
                width: 100%;
                height: 160px;
            }

            .read-more {
                margin-left: 0;
            }

            .contact-box {
                padding: 24px;
            }

            .footer-title {
                margin-top: 24px;
            }

            .footer-brand {
                margin-bottom: 12px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }

            .stat-number {
                font-size: 28px;
            }

            .stat-item {
                padding: 8px 12px;
            }

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

            .solution-card {
                padding: 28px 22px;
            }
        }

/* roulang page: article */
:root {
            --navy: #17203B;
            --navy-dark: #101728;
            --gold: #D9A441;
            --gold-light: #E8BB62;
            --teal: #1E4A5A;
            --bg: #F4F3F7;
            --white: #FFFFFF;
            --text: #1C2431;
            --text-muted: #5A6474;
            --border: #E3E5EC;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 2px 12px rgba(23, 32, 59, .06);
            --shadow-hover: 0 12px 32px rgba(23, 32, 59, .12);
            --font-mono: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-mono);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
        }
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }
        
        /* ========== Dock 导航 ========== */
        .dock-nav-wrap {
            position: fixed;
            top: 16px;
            left: 5%;
            right: 5%;
            z-index: 1000;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }
        .dock-nav {
            pointer-events: auto;
            width: 100%;
            max-width: 1200px;
            background: rgba(23, 32, 59, .92);
            border-radius: 999px;
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 24px rgba(16, 23, 40, .25);
            border: 1px solid rgba(217, 164, 65, .15);
            transition: background .3s, border-color .3s, box-shadow .3s;
        }
        .dock-nav.is-scrolled {
            background: rgba(23, 32, 59, .97);
            border-color: rgba(217, 164, 65, .4);
            box-shadow: 0 6px 30px rgba(16, 23, 40, .35);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 8px;
            flex-shrink: 0;
        }
        .brand-logo .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #fff, var(--navy) 60%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 14px;
            border: 1px solid rgba(217, 164, 65, .5);
            box-shadow: 0 0 12px rgba(217, 164, 65, .2);
        }
        .brand-logo .brand-text {
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .main-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .main-menu a {
            display: inline-block;
            padding: 6px 16px;
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
            font-weight: 500;
            border-radius: 999px;
            transition: all .25s;
            white-space: nowrap;
        }
        .main-menu a:hover {
            color: var(--gold);
        }
        .main-menu a.active {
            background: rgba(217, 164, 65, .15);
            color: var(--gold);
            box-shadow: inset 0 0 0 1px rgba(217, 164, 65, .3);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-size: 14px;
            transition: all .25s;
            border: 1px solid transparent;
        }
        .nav-search:hover {
            background: rgba(217, 164, 65, .2);
            color: var(--gold);
            border-color: rgba(217, 164, 65, .3);
        }
        .nav-cta {
            background: var(--gold);
            color: var(--navy);
            border-radius: 999px;
            padding: 8px 22px;
            font-size: 14px;
            font-weight: 700;
            transition: all .25s;
            display: inline-block;
        }
        .nav-cta:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(217, 164, 65, .35);
            color: var(--navy);
        }
        .nav-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, .1);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 74px;
            left: 16px;
            right: 16px;
            z-index: 999;
            background: var(--navy);
            border-radius: 16px;
            padding: 16px;
            box-shadow: 0 16px 40px rgba(16, 23, 40, .4);
            border: 1px solid rgba(217, 164, 65, .2);
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: rgba(255, 255, 255, .9);
            border-radius: 10px;
            font-size: 15px;
            margin-bottom: 4px;
        }
        .mobile-menu a:hover {
            background: rgba(217, 164, 65, .12);
            color: var(--gold);
        }
        .mobile-menu a.active {
            background: rgba(217, 164, 65, .15);
            color: var(--gold);
        }

        /* ========== 文章页 ========== */
        .article-hero {
            background: linear-gradient(120deg, var(--navy) 0%, var(--teal) 100%);
            padding: 160px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 30%, rgba(217, 164, 65, .1) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 70%, rgba(255, 255, 255, .05) 0%, transparent 50%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-crumb {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .article-crumb a:hover {
            color: var(--gold);
        }
        .article-crumb .sep {
            margin: 0 4px;
            color: rgba(255, 255, 255, .4);
        }
        .article-crumb .current {
            color: rgba(255, 255, 255, .85);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-hero h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            max-width: 850px;
            letter-spacing: 1px;
        }
        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, .1);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, .85);
        }
        .article-meta-item i {
            color: var(--gold);
            font-size: 12px;
        }
        .article-meta-item .meta-cat {
            color: var(--gold);
            font-weight: 600;
        }

        .article-main-wrap {
            padding: 60px 0 90px;
            background: var(--bg);
        }
        .article-content-col {
            max-width: 760px;
        }
        .article-body-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 48px 52px;
            margin-bottom: 32px;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 24px;
        }
        .article-body h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--navy);
            margin: 40px 0 16px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin: 28px 0 12px;
            line-height: 1.4;
        }
        .article-body blockquote {
            border-left: 4px solid var(--gold);
            padding: 16px 24px;
            background: var(--bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }

        /* 侧边栏 */
        .sidebar-col {
            padding-left: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--gold);
        }
        .sidebar-article-list {
            list-style: none;
        }
        .sidebar-article-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--bg);
        }
        .sidebar-article-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-article-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            display: block;
            line-height: 1.5;
            transition: color .25s;
        }
        .sidebar-article-list a:hover {
            color: var(--gold);
        }
        .sidebar-article-list .item-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }
        .sidebar-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            background: var(--navy);
            color: #fff;
            border-radius: 999px;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s;
            border: 1px solid var(--navy);
        }
        .sidebar-btn:hover {
            background: transparent;
            color: var(--navy);
        }

        /* ========== CTA 区块 ========== */
        .article-cta-section {
            background: linear-gradient(120deg, var(--navy) 0%, var(--teal) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .article-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(217, 164, 65, .12) 0%, transparent 50%);
        }
        .article-cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .article-cta-box h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .article-cta-box p {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            margin-bottom: 28px;
        }
        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--navy);
            border-radius: 999px;
            padding: 13px 34px;
            font-weight: 700;
            font-size: 15px;
            transition: all .25s;
            display: inline-block;
        }
        .btn-gold:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 164, 65, .3);
            color: var(--navy);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .5);
            border-radius: 999px;
            padding: 12px 32px;
            font-weight: 600;
            font-size: 15px;
            transition: all .25s;
            display: inline-block;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }

        /* ========== CTA 未找到 ========== */
        .article-notfound {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 80px 40px;
            text-align: center;
        }
        .article-notfound .icon{
            font-size: 48px;
            color: var(--gold);
            margin-bottom: 20px;
        }
        .article-notfound h2 {
            font-size: 26px;
            color: var(--navy);
            margin-bottom: 12px;
        }
        .article-notfound p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--navy);
            padding: 56px 0 24px;
            border-top: 3px solid var(--gold);
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(217, 164, 65, .15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 16px;
            border: 1px solid rgba(217, 164, 65, .3);
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            line-height: 1.8;
            max-width: 380px;
            margin-bottom: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: all .25s;
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
        }
        .footer-contact-item i {
            color: var(--gold);
            font-size: 14px;
            margin-top: 3px;
            width: 16px;
            text-align: center;
        }
        .footer-contact-item a {
            color: rgba(255, 255, 255, .65);
        }
        .footer-contact-item a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, .4);
            font-size: 13px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .sidebar-col {
                padding-left: 16px;
            }
        }
        @media (max-width: 992px) {
            .dock-nav-wrap {
                left: 16px;
                right: 16px;
                top: 12px;
            }
            .main-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .dock-nav {
                border-radius: 24px;
                padding: 8px 14px;
            }
            .article-hero {
                padding: 140px 0 56px;
            }
            .article-hero h1 {
                font-size: 32px;
            }
            .article-body-card {
                padding: 32px 28px;
            }
            .sidebar-col {
                padding-left: 0;
                margin-top: 24px;
            }
            .article-main-wrap {
                padding: 40px 0 60px;
            }
            .article-cta-box h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .nav-cta {
                display: none;
            }
            .article-hero {
                padding: 130px 0 44px;
            }
            .article-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }
            .article-meta-row {
                gap: 8px;
            }
            .article-meta-item {
                padding: 4px 10px;
                font-size: 12px;
            }
            .article-body-card {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .article-body blockquote {
                padding: 12px 16px;
                margin: 18px 0;
            }
            .section-padding {
                padding: 40px 0;
            }
            .article-cta-section {
                padding: 40px 0;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-gold,
            .btn-outline-white {
                width: 200px;
                text-align: center;
            }
            .footer-bottom {
                font-size: 12px;
            }
            .article-crumb .current {
                max-width: 180px;
            }
        }
        @media (max-width: 520px) {
            .dock-nav-wrap {
                left: 10px;
                right: 10px;
                top: 10px;
            }
            .brand-logo .brand-text {
                font-size: 16px;
            }
            .brand-logo .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .article-crumb {
                font-size: 12px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-meta-item span {
                max-width: 80px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                animation: none !important;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --night-blue: #17203B;
            --comet-gold: #D9A441;
            --interstellar-cyan: #1E4A5A;
            --mist-gray: #F4F3F7;
            --text-dark: #1C2431;
            --text-muted: #5A6474;
            --border: #E3E5EC;
            --white: #FFFFFF;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 2px 12px rgba(23,32,59,.06);
            --shadow-hover: 0 12px 32px rgba(23,32,59,.12);
            --transition: all .25s ease;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--mist-gray);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--comet-gold);
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-block {
            padding: 90px 0;
        }

        /* ===== Floating Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 5%;
            right: 5%;
            z-index: 1000;
        }
        .dock-nav {
            background: rgba(23,32,59,.92);
            border-radius: 999px;
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 24px rgba(23,32,59,.2);
            transition: var(--transition);
        }
        .dock-nav.scrolled {
            background: rgba(23,32,59,.97);
            border: 1px solid rgba(217,164,65,.4);
            box-shadow: 0 8px 32px rgba(23,32,59,.3);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .nav-logo .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--comet-gold), #f0c86a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--night-blue);
            box-shadow: 0 0 0 2px rgba(217,164,65,.3);
        }
        .nav-logo .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .main-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-menu a {
            color: rgba(255,255,255,.8);
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-menu a:hover {
            color: var(--comet-gold);
        }
        .main-menu a.active {
            background: rgba(217,164,65,.2);
            color: var(--comet-gold);
            box-shadow: inset 0 0 0 1px rgba(217,164,65,.35);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-search-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,.25);
            background: transparent;
            color: rgba(255,255,255,.85);
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-search-btn:hover {
            border-color: var(--comet-gold);
            color: var(--comet-gold);
        }
        .btn-gold {
            display: inline-block;
            background: var(--comet-gold);
            color: var(--night-blue) !important;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 24px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn-gold:hover {
            background: #e8b857;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(217,164,65,.35);
            color: var(--night-blue) !important;
        }
        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: var(--white);
            font-size: 14px;
            font-weight: 500;
            padding: 9px 24px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,.5);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,.1);
            color: var(--comet-gold);
            border-color: var(--comet-gold);
        }
        /* Mobile toggle */
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255,255,255,.3);
            border-radius: 50%;
            width: 36px;
            height: 36px;
            color: var(--white);
            font-size: 14px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .mobile-panel {
            display: none;
            background: var(--night-blue);
            border-radius: 16px;
            margin-top: 8px;
            padding: 16px;
            box-shadow: 0 16px 40px rgba(23,32,59,.35);
        }
        .mobile-panel a {
            display: block;
            color: rgba(255,255,255,.85);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            transition: var(--transition);
        }
        .mobile-panel a:hover {
            background: rgba(217,164,65,.12);
            color: var(--comet-gold);
        }
        .mobile-panel a.active {
            background: rgba(217,164,65,.2);
            color: var(--comet-gold);
        }

        /* ===== Hero Banner ===== */
        .category-banner {
            position: relative;
            padding: 180px 0 110px;
            background: linear-gradient(120deg, var(--night-blue), var(--interstellar-cyan));
            background-image: url('/assets/images/backpic/back-1.webp'), linear-gradient(120deg, var(--night-blue), var(--interstellar-cyan));
            background-size: cover;
            background-position: center;
            background-blend-mode: multiply;
            color: var(--white);
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(120deg, rgba(23,32,59,.9), rgba(30,74,90,.75));
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            font-size: 13px;
            color: rgba(255,255,255,.65);
            margin-bottom: 20px;
        }
        .breadcrumb-nav a {
            color: rgba(255,255,255,.65);
        }
        .breadcrumb-nav a:hover {
            color: var(--comet-gold);
        }
        .breadcrumb-nav .separator {
            margin: 0 10px;
            opacity: .6;
        }
        .breadcrumb-nav .current {
            color: rgba(255,255,255,.95);
        }
        .category-banner h1 {
            font-size: 50px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--white);
            line-height: 1.25;
        }
        .category-banner .lead-text {
            font-size: 18px;
            color: rgba(255,255,255,.85);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Category Intro ===== */
        .cat-intro {
            padding: 80px 0;
            background: var(--white);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-badge {
            display: inline-block;
            background: rgba(217,164,65,.12);
            color: var(--comet-gold);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .intro-content h2 {
            font-size: 32px;
            color: var(--text-dark);
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .intro-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .intro-points {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .intro-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-dark);
            background: var(--mist-gray);
            padding: 12px 16px;
            border-radius: 12px;
        }
        .intro-points li i {
            color: var(--comet-gold);
            font-size: 16px;
        }
        .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .intro-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(23,32,59,.15), transparent 60%);
        }

        /* ===== Service Cards ===== */
        .service-cards-section {
            padding: 90px 0;
            background: var(--mist-gray);
        }
        .section-heading {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-heading .section-tag {
            display: inline-block;
            background: rgba(217,164,65,.12);
            color: var(--comet-gold);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-heading h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .service-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217,164,65,.4);
        }
        .service-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 1.5px solid var(--comet-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--comet-gold);
            margin-bottom: 20px;
            background: rgba(217,164,65,.06);
            transition: var(--transition);
        }
        .service-card:hover .icon-wrap {
            background: var(--comet-gold);
            color: var(--night-blue);
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-card .card-link {
            font-size: 14px;
            color: var(--comet-gold);
            font-weight: 500;
        }
        .service-card .card-link i {
            font-size: 12px;
            margin-left: 4px;
            transition: var(--transition);
        }
        .service-card .card-link:hover i {
            transform: translateX(4px);
        }
        /* Featured dark card */
        .service-card.featured-dark {
            background: var(--night-blue);
            border-color: transparent;
        }
        .service-card.featured-dark h3 {
            color: var(--white);
        }
        .service-card.featured-dark p {
            color: rgba(255,255,255,.75);
        }
        .service-card.featured-dark .icon-wrap {
            background: rgba(217,164,65,.2);
            border-color: var(--comet-gold);
            color: var(--comet-gold);
        }
        .service-card.featured-dark .card-link {
            color: var(--comet-gold);
        }
        .service-card.featured-dark::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--comet-gold), transparent);
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: var(--night-blue);
            padding: 60px 0;
        }
        .stats-bar .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .stats-item {
            text-align: center;
            padding: 0 40px;
        }
        .stats-item .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--comet-gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stats-item .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,.75);
        }
        .stats-divider {
            width: 1px;
            height: 56px;
            background: rgba(255,255,255,.2);
        }

        /* ===== Work Steps ===== */
        .steps-section {
            padding: 90px 0;
            background: var(--white);
        }
        .step-item {
            position: relative;
            text-align: center;
            padding: 0 16px;
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--night-blue);
            color: var(--comet-gold);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 0 0 6px rgba(217,164,65,.15);
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .step-arrow {
            position: absolute;
            top: 28px;
            right: -20px;
            color: var(--comet-gold);
            font-size: 18px;
            z-index: 2;
        }

        /* ===== Scenarios ===== */
        .scenarios-section {
            padding: 90px 0;
            background: var(--mist-gray);
        }
        .scenario-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-card img {
            height: 180px;
            width: 100%;
            object-fit: cover;
        }
        .scenario-card .scenario-body {
            padding: 24px;
        }
        .scenario-card .scenario-tag {
            display: inline-block;
            background: rgba(217,164,65,.12);
            color: var(--comet-gold);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .scenario-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: var(--white);
        }
        .faq-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--white);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-card:hover {
            border-color: rgba(217,164,65,.3);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--comet-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--comet-gold);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-card.open .faq-icon {
            transform: rotate(45deg);
            background: var(--comet-gold);
            color: var(--night-blue);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(120deg, var(--night-blue), var(--interstellar-cyan));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(217,164,65,.08);
            top: -150px;
            right: -100px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,.04);
            bottom: -80px;
            left: 10%;
        }
        .cta-content {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: 34px;
            color: var(--white);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255,255,255,.8);
            max-width: 540px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--night-blue);
            padding: 56px 0 24px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(to right, var(--comet-gold), rgba(217,164,65,.4), var(--comet-gold));
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--comet-gold), #f0c86a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--night-blue);
        }
        .footer-brand .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,.65);
            line-height: 1.7;
            max-width: 400px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255,255,255,.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--comet-gold);
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            color: rgba(255,255,255,.6);
            font-size: 14px;
        }
        .footer-contact-item i {
            color: var(--comet-gold);
            font-size: 15px;
            width: 18px;
            text-align: center;
        }
        .footer-contact-item a {
            color: rgba(255,255,255,.6);
        }
        .footer-contact-item a:hover {
            color: var(--comet-gold);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,.1);
            padding-top: 24px;
            margin-top: 40px;
            color: rgba(255,255,255,.4);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .section-block {
                padding: 60px 0;
            }
            .category-banner {
                padding: 150px 0 80px;
            }
            .category-banner h1 {
                font-size: 36px;
            }
            .category-banner .lead-text {
                font-size: 16px;
            }
            .section-heading h2 {
                font-size: 28px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .intro-image img {
                height: 280px;
            }
            .main-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta .btn-gold {
                display: none;
            }
            .mobile-panel.open {
                display: block;
            }
            .stats-item {
                padding: 20px;
            }
            .stats-divider {
                display: none;
            }
            .step-arrow {
                display: none;
            }
            .step-item {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 767px) {
            .site-header {
                left: 16px;
                right: 16px;
                top: 12px;
            }
            .category-banner {
                padding: 140px 0 60px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner .lead-text {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .banner-actions .btn-gold,
            .banner-actions .btn-outline-light {
                padding: 8px 20px;
                font-size: 13px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .intro-points {
                grid-template-columns: 1fr;
            }
            .stats-item .stat-number {
                font-size: 32px;
            }
            .cta-content h2 {
                font-size: 26px;
            }
            .service-card {
                margin-bottom: 20px;
            }
            .scenario-card {
                margin-bottom: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-banner {
                padding: 130px 0 50px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .lead-text {
                font-size: 14px;
            }
            .section-block {
                padding: 48px 0;
            }
            .stats-bar {
                padding: 40px 0;
            }
            .stats-item {
                padding: 12px;
            }
            .stats-item .stat-number {
                font-size: 26px;
            }
            .stats-item .stat-label {
                font-size: 12px;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }

        /* ===== Focus States ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(217,164,65,.45);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
            --primary: #17203B;
            --primary-2: #1E4A5A;
            --gold: #D9A441;
            --gold-hover: #E4B85C;
            --gold-dark: #B8873A;
            --bg: #F4F3F7;
            --card-bg: #FFFFFF;
            --text: #1C2431;
            --muted: #5A6474;
            --border: #E3E5EC;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 2px 12px rgba(23, 32, 59, .06);
            --shadow-hover: 0 12px 32px rgba(23, 32, 59, .12);
            --transition: .25s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-top: 96px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: 999px;
            padding: 10px 28px;
            font-weight: 600;
            transition: background .25s, transform .25s, box-shadow .25s, border-color .25s;
        }
        .btn-gold {
            background: var(--gold);
            border: 1px solid var(--gold);
            color: var(--primary);
        }
        .btn-gold:hover {
            background: var(--gold-hover);
            border-color: var(--gold-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(217, 164, 65, .3);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(217, 164, 65, .35);
            outline-offset: 2px;
        }

        /* ===== 导航 Dock ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 5% 0;
        }
        .nav-dock {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(23, 32, 59, .92);
            border-radius: 999px;
            padding: 8px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid rgba(217, 164, 65, .25);
            box-shadow: 0 8px 28px rgba(23, 32, 59, .28);
            transition: background .3s, border-color .3s, box-shadow .3s;
        }
        .site-header.scrolled .nav-dock {
            background: rgba(23, 32, 59, .97);
            border-color: rgba(217, 164, 65, .6);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: .5px;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--gold), #f0c878);
            color: var(--primary);
            border-radius: 50%;
            font-size: 18px;
            box-shadow: 0 0 0 3px rgba(217, 164, 65, .25);
        }
        .main-menu {
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .main-menu a {
            color: rgba(255, 255, 255, .85);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            transition: color .25s, background .25s;
            white-space: nowrap;
        }
        .main-menu a:hover {
            color: var(--gold);
        }
        .main-menu a.active {
            background: var(--gold);
            color: var(--primary);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-actions .btn {
            padding: 8px 22px;
            font-size: 14px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .4);
            border-radius: 50%;
            width: 44px;
            height: 44px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: border-color .25s;
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform .25s, opacity .25s;
        }
        .nav-toggle:hover {
            border-color: var(--gold);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            max-width: 1320px;
            margin: 8px auto 0;
            background: var(--primary);
            border-radius: 16px;
            padding: 16px;
            flex-direction: column;
            border: 1px solid rgba(217, 164, 65, .3);
            box-shadow: 0 16px 40px rgba(23, 32, 59, .35);
        }
        .mobile-menu a {
            color: rgba(255, 255, 255, .9);
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            transition: background .25s, color .25s;
        }
        .mobile-menu a:hover {
            background: rgba(217, 164, 65, .15);
            color: var(--gold);
        }
        .mobile-menu a.active {
            color: var(--gold);
            font-weight: 700;
        }
        .mobile-menu .btn {
            margin-top: 8px;
            text-align: center;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(120deg, var(--primary), var(--primary-2));
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 120px 0 96px;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 18% 24%, rgba(255, 255, 255, .08) 0, transparent 280px),
                radial-gradient(circle at 82% 72%, rgba(217, 164, 65, .12) 0, transparent 320px);
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(23, 32, 59, .9), rgba(30, 74, 90, .75));
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 164, 65, .18);
            border: 1px solid rgba(217, 164, 65, .5);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 22px;
        }
        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 18px;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tags span {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            color: rgba(255, 255, 255, .9);
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 86px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-label {
            display: inline-block;
            color: var(--gold-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            background: rgba(217, 164, 65, .12);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 14px;
            color: var(--primary);
        }
        .section-head p {
            color: var(--muted);
            font-size: 16px;
            margin: 0;
        }

        /* ===== 分类介绍 ===== */
        .intro-section {
            background: var(--bg);
        }
        .intro-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .intro-section p {
            color: var(--muted);
            margin-bottom: 16px;
        }
        .feature-list {
            margin-top: 24px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list i {
            color: var(--gold);
            font-size: 18px;
        }
        .intro-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
        }
        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        /* ===== 服务卡片 ===== */
        .coverage-section {
            background: #fff;
        }
        .coverage-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow);
            transition: transform .25s, box-shadow .25s;
        }
        .coverage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .coverage-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #eee;
        }
        .coverage-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .coverage-card:hover .card-img img {
            transform: scale(1.03);
        }
        .coverage-card .card-body {
            padding: 24px;
        }
        .coverage-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .coverage-card p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .coverage-card .card-link {
            color: var(--gold-dark);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s, color .25s;
        }
        .coverage-card .card-link:hover {
            color: var(--gold-dark);
            gap: 10px;
        }

        /* ===== 执行优势 ===== */
        .strength-section {
            background: var(--bg);
        }
        .strength-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }
        .strength-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, .4);
        }
        .strength-card .icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(217, 164, 65, .12);
            color: var(--gold-dark);
            border-radius: 14px;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .strength-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .strength-card p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: #fff;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            position: relative;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, .45);
        }
        .process-step .step-num {
            font-size: 40px;
            font-weight: 800;
            color: rgba(217, 164, 65, .5);
            line-height: 1;
            display: block;
            margin-bottom: 20px;
            transition: color .25s;
        }
        .process-step:hover .step-num {
            color: var(--gold);
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .process-step p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
        }
        .process-step::after {
            content: "";
            position: absolute;
            top: 32px;
            right: -24px;
            width: 24px;
            height: 1px;
            background: var(--border);
        }
        .process-step:last-child::after {
            display: none;
        }

        /* ===== 数据带 ===== */
        .data-band {
            background: var(--primary);
            padding: 52px 0;
            position: relative;
            overflow: hidden;
        }
        .data-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }
        .data-band-inner {
            display: flex;
            justify-content: space-between;
            max-width: 1040px;
            margin: 0 auto;
        }
        .data-item {
            flex: 1;
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, .2);
            padding: 0 24px;
        }
        .data-item:last-child {
            border-right: none;
        }
        .data-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-label {
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .cus-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cus-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .25s, border-color .25s;
        }
        .cus-accordion .accordion-item:hover {
            border-color: rgba(217, 164, 65, .4);
            box-shadow: var(--shadow-hover);
        }
        .cus-accordion .accordion-button {
            background: #fff;
            color: var(--text);
            font-size: 15px;
            font-weight: 700;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            transition: color .25s;
        }
        .cus-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary);
        }
        .cus-accordion .accordion-button::after {
            background: none;
            width: 22px;
            height: 22px;
            border: 2px solid var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\2b";
            color: var(--gold-dark);
            font-size: 13px;
            line-height: 1;
            transition: transform .25s;
            background-color: transparent;
        }
        .cus-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background: var(--gold);
            color: var(--primary);
            border-color: var(--gold);
        }
        .cus-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== CTA / 联系 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            margin-bottom: 28px;
            max-width: 440px;
        }
        .contact-form label {
            color: rgba(255, 255, 255, .9);
            font-size: 14px;
            margin-bottom: 6px;
            display: block;
            font-weight: 500;
        }
        .contact-form .form-control {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 16px;
            transition: border-color .25s, box-shadow .25s, background .25s;
        }
        .contact-form .form-control::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        .contact-form .form-control:focus {
            background: rgba(255, 255, 255, .12);
            border-color: var(--gold);
            color: #fff;
            box-shadow: 0 0 0 3px rgba(217, 164, 65, .18);
            outline: none;
        }
        .contact-form .btn {
            width: 100%;
            padding: 14px 28px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding-left: 16px;
        }
        .contact-line {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 15px;
            color: rgba(255, 255, 255, .9);
        }
        .contact-line i {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(217, 164, 65, .5);
            color: var(--gold);
            border-radius: 50%;
            font-size: 16px;
            flex-shrink: 0;
        }
        .contact-line a {
            color: rgba(255, 255, 255, .9);
            transition: color .25s;
        }
        .contact-line a:hover {
            color: var(--gold);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, .85);
            padding: 56px 0 24px;
            border-top: 3px solid var(--gold);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }
        .footer-desc {
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .75);
            font-size: 14px;
            transition: color .25s, padding-left .25s;
        }
        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }
        .footer-contact-item i {
            color: var(--gold);
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-contact-item a {
            color: rgba(255, 255, 255, .8);
            transition: color .25s;
        }
        .footer-contact-item a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            body {
                padding-top: 88px;
            }
            .nav-dock {
                padding: 8px 12px;
            }
            .main-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .section-padding {
                padding: 64px 0;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step::after {
                display: none;
            }
            .data-band-inner {
                flex-wrap: wrap;
            }
            .data-item {
                width: 50%;
                border-bottom: 1px solid rgba(255, 255, 255, .12);
                padding: 18px 12px;
            }
            .data-item:nth-child(2) {
                border-right: none;
            }
            .data-item:nth-child(3) {
                border-bottom: none;
            }
            .data-item:last-child {
                border-bottom: none;
            }
            .contact-info {
                padding-left: 0;
            }
        }
        @media (max-width: 767.98px) {
            body {
                padding-top: 84px;
            }
            .page-hero {
                padding: 90px 0 72px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .section-padding {
                padding: 52px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .intro-section h2 {
                font-size: 26px;
            }
            .data-num {
                font-size: 34px;
            }
            .data-label {
                font-size: 13px;
            }
        }
        @media (max-width: 575.98px) {
            .nav-dock {
                width: calc(100% - 32px);
            }
            .brand-text {
                font-size: 17px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .nav-actions .btn {
                display: none;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .data-item {
                width: 100%;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, .12);
            }
            .data-item:last-child {
                border-bottom: none;
            }
            .hero-tags {
                gap: 8px;
            }
            .hero-tags span {
                font-size: 12px;
            }
        }