/* roulang page: index */
:root {
            --primary: #1E5F9E;
            --primary-light: #2B7BCA;
            --neon: #00CFC8;
            --amber: #F0B94E;
            --bg: #F4F8FC;
            --card-bg: #FFFFFF;
            --dark: #0B1A2E;
            --dark-2: #101E33;
            --text: #1A2C3E;
            --text-second: #5E7894;
            --text-muted: #A5B8CC;
            --border: #DCE8F2;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 10px 30px rgba(17, 62, 112, 0.10);
            --shadow-hover: 0 18px 40px rgba(17, 62, 112, 0.16);
            --neon-glow: 0 0 0 1px rgba(0, 207, 200, .4), 0 0 24px rgba(0, 207, 200, .25);
            --transition: all .3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #164a7a;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1280px;
            padding: 0 24px;
        }
        .section {
            padding: 100px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-head .overline {
            display: inline-block;
            font-size: 14px;
            letter-spacing: 3px;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
            padding: 0 20px;
        }
        .section-head .overline::before,
        .section-head .overline::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 24px;
            height: 1px;
            background: var(--neon);
        }
        .section-head .overline::before {
            left: 0;
        }
        .section-head .overline::after {
            right: 0;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-second);
            max-width: 640px;
            margin: 0 auto;
        }
        .text-neon {
            color: var(--neon) !important;
        }
        .text-amber {
            color: var(--amber) !important;
        }

        /* ====== Navigation ====== */
        .navbar-main {
            background: var(--dark);
            min-height: 76px;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            transition: background .3s;
        }
        .navbar-main .navbar-brand {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: .5px;
            padding: 20px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-main .navbar-brand i {
            color: var(--neon);
            font-size: 22px;
        }
        .navbar-main .navbar-brand:hover {
            color: #fff;
        }
        .navbar-main .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            font-weight: 500;
            padding: 26px 20px;
            position: relative;
            transition: var(--transition);
            letter-spacing: .3px;
        }
        .navbar-main .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--neon);
            transform: scaleX(0);
            transition: transform .3s;
        }
        .navbar-main .navbar-nav .nav-link:hover {
            color: #fff;
        }
        .navbar-main .navbar-nav .nav-link:hover::after {
            transform: scaleX(1);
        }
        .navbar-main .navbar-nav .nav-link.active {
            color: #fff;
            text-shadow: 0 0 10px rgba(0, 207, 200, .5);
        }
        .navbar-main .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
            box-shadow: 0 0 12px rgba(0, 207, 200, .6);
        }
        .btn-neon {
            background: var(--dark-2);
            color: #fff;
            border: 1px solid var(--neon);
            border-radius: 999px;
            padding: 10px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, .15);
        }
        .btn-neon:hover {
            box-shadow: var(--neon-glow);
            transform: translateY(-2px);
            color: #fff;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            color: #fff;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                background: var(--dark);
                padding: 16px 0 24px;
                border-top: 1px solid rgba(255, 255, 255, .06);
            }
            .navbar-main .navbar-nav .nav-link {
                padding: 14px 20px;
                border-left: 3px solid transparent;
            }
            .navbar-main .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-main .navbar-nav .nav-link.active {
                border-left-color: var(--neon);
                background: rgba(0, 207, 200, .06);
            }
            .navbar-main .btn-neon {
                margin: 12px 20px 0;
                display: inline-block;
            }
        }

        /* ====== Hero ====== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 60px 0 80px;
            background: linear-gradient(135deg, #EAF2FA 0%, #F8FBFE 60%, #E9F3FA 100%);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(rgba(30, 95, 158, .06) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .85);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 22px;
            box-shadow: var(--shadow);
        }
        .hero .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--neon);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 207, 200, .5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(0, 207, 200, 0);
            }
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero .hero-sub {
            font-size: 17px;
            color: var(--text-second);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.85;
        }
        .hero .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .btn-primary-custom {
            background: var(--dark-2);
            color: #fff;
            border: 1px solid var(--neon);
            border-radius: 999px;
            padding: 14px 38px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, .15);
        }
        .btn-primary-custom:hover {
            box-shadow: var(--neon-glow);
            transform: translateY(-3px);
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 999px;
            padding: 14px 38px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            background: #E8F3FF;
            border-color: var(--primary-light);
            color: #164a7a;
            transform: translateY(-2px);
        }
        .hero .hero-anchors {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            font-size: 14px;
            color: var(--text-second);
        }
        .hero .hero-anchors a {
            color: var(--text-second);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero .hero-anchors a i {
            color: var(--primary);
        }
        .hero .hero-anchors a:hover {
            color: var(--primary);
        }
        .hero .hero-visual {
            position: relative;
            z-index: 2;
        }
        .hero .hero-visual .main-img {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }
        .hero .hero-visual .main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .hero .float-card {
            position: absolute;
            background: #fff;
            border-radius: 16px;
            padding: 14px 20px;
            box-shadow: var(--shadow-hover);
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            z-index: 3;
        }
        .hero .float-card .fc-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .hero .float-card.fc-1 {
            top: 30px;
            left: -30px;
            animation: floatY 4s ease-in-out infinite;
        }
        .hero .float-card.fc-1 .fc-icon {
            background: #E8F3FF;
            color: var(--primary);
        }
        .hero .float-card.fc-2 {
            bottom: 40px;
            right: -20px;
            animation: floatY 5s ease-in-out infinite .5s;
        }
        .hero .float-card.fc-2 .fc-icon {
            background: #E6FAFA;
            color: var(--neon);
        }
        @keyframes floatY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        .hero .scroll-indicator {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
            z-index: 2;
        }
        .hero .scroll-indicator .line {
            width: 1px;
            height: 42px;
            background: linear-gradient(to bottom, var(--primary-light), transparent);
            margin: 6px auto 0;
        }
        @media (max-width: 991.98px) {
            .hero {
                min-height: auto;
                padding: 60px 0 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero .hero-visual {
                margin-top: 50px;
            }
            .hero .float-card.fc-1 {
                left: 10px;
            }
            .hero .float-card.fc-2 {
                right: 10px;
            }
        }

        /* ====== Timeline ====== */
        .timeline-section {
            background: #fff;
            padding: 100px 0;
        }
        .timeline {
            position: relative;
            padding: 40px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 50px;
            width: 50%;
            padding: 0 48px 0 0;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
            padding: 0 0 0 48px;
            text-align: left;
        }
        .timeline-item .tl-dot {
            position: absolute;
            top: 24px;
            right: -8px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--neon);
            box-shadow: 0 0 0 5px rgba(0, 207, 200, .2), 0 0 20px rgba(0, 207, 200, .4);
            z-index: 2;
        }
        .timeline-item:nth-child(even) .tl-dot {
            right: auto;
            left: -8px;
        }
        .timeline-item .tl-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: inline-block;
            text-align: left;
        }
        .timeline-item .tl-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .timeline-item .tl-date {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 1px;
            display: block;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .timeline-item .tl-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .timeline-item:nth-child(odd) .tl-title {
            justify-content: flex-end;
        }
        .timeline-item .tl-desc {
            font-size: 14px;
            color: var(--text-second);
            margin-bottom: 14px;
        }
        .tl-badge {
            display: inline-block;
            font-size: 12px;
            padding: 3px 14px;
            border-radius: 999px;
            font-weight: 600;
            background: #E8F3FF;
            color: var(--primary);
        }
        .tl-badge.done {
            background: #E6FAFA;
            color: #00948F;
        }
        .tl-badge.now {
            background: #FFF4E0;
            color: #C58A1B;
        }
        .tl-btn {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 1px dashed var(--primary);
            padding-bottom: 2px;
        }
        .tl-btn:hover {
            color: #164a7a;
            border-bottom-style: solid;
        }
        @media (max-width: 767.98px) {
            .timeline-section {
                padding: 60px 0;
            }
            .timeline::before {
                left: 12px;
            }
            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                width: 100%;
                left: 0;
                padding: 0 0 0 44px;
                text-align: left;
            }
            .timeline-item .tl-dot,
            .timeline-item:nth-child(even) .tl-dot {
                left: 3px;
                right: auto;
            }
            .timeline-item:nth-child(odd) .tl-title {
                justify-content: flex-start;
            }
            .timeline-item .tl-card {
                width: 100%;
            }
        }

        /* ====== News Section (CMS) ====== */
        .news-section {
            background: var(--bg);
            padding: 100px 0;
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .news-featured {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .news-featured::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--neon), var(--primary-light), var(--neon));
            z-index: 2;
        }
        .news-featured:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-featured .news-thumb {
            height: 230px;
            overflow: hidden;
            background: var(--border);
        }
        .news-featured .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .news-featured:hover .news-thumb img {
            transform: scale(1.04);
        }
        .news-featured .news-body {
            padding: 24px 28px 28px;
        }
        .news-featured .news-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-featured .news-body h3 a {
            color: inherit;
        }
        .news-featured .news-body h3 a:hover {
            color: var(--primary);
        }
        .news-featured .news-body p {
            color: var(--text-second);
            font-size: 15px;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .news-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card h4 a {
            color: var(--text);
        }
        .news-card h4 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-second);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .news-meta .badge {
            background: #E8F3FF;
            color: var(--primary);
            font-weight: 600;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .news-empty {
            grid-column: 1 / -1;
            background: #fff;
            border-radius: var(--radius);
            border: 2px dashed var(--border);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-second);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--text-muted);
            display: block;
            margin-bottom: 14px;
        }
        @media (max-width: 991.98px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .news-section {
                padding: 60px 0;
            }
        }

        /* ====== Highlight / Speakers ====== */
        .highlight-section {
            background: #fff;
            padding: 100px 0;
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .hl-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .hl-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .hl-card .hl-img {
            width: 96px;
            height: 96px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 20px;
            border: 3px solid #fff;
            box-shadow: var(--shadow);
        }
        .hl-card .hl-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hl-card h3 {
            font-size: 20px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 4px;
        }
        .hl-card .hl-role {
            text-align: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 14px;
        }
        .hl-card .hl-desc {
            font-size: 14px;
            color: var(--text-second);
            text-align: center;
            margin-bottom: 18px;
            line-height: 1.75;
        }
        .hl-card .hl-tags {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .hl-card .hl-tags span {
            display: inline-block;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 12px;
            color: var(--text-second);
        }
        @media (max-width: 991.98px) {
            .highlight-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
        }
        @media (max-width: 767.98px) {
            .highlight-section {
                padding: 60px 0;
            }
        }

        /* ====== Pricing / Compare ====== */
        .pricing-section {
            background: var(--bg);
            padding: 100px 0;
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            align-items: stretch;
        }
        .price-card {
            background: #fff;
            border-radius: 20px;
            padding: 36px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .price-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        .price-card.featured {
            border-color: var(--neon);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, .4), 0 0 40px rgba(0, 207, 200, .15), var(--shadow);
            background: linear-gradient(to bottom, #FDFFFE, #fff 40%);
            z-index: 2;
        }
        .price-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(90deg, var(--neon), #00A89F);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 20px;
            border-radius: 999px;
            box-shadow: 0 4px 16px rgba(0, 207, 200, .35);
            letter-spacing: 1px;
        }
        .price-card .price-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .price-card .price-tag {
            font-size: 40px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .price-card .price-tag small {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex-grow: 1;
        }
        .price-card ul li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 15px;
            color: var(--text-second);
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }
        .price-card ul li i {
            color: var(--neon);
            font-size: 14px;
            margin-top: 4px;
        }
        .price-card .price-btn {
            display: block;
            text-align: center;
            border-radius: 999px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }
        .price-card.featured .price-btn {
            background: var(--dark-2);
            color: #fff;
            border: 1px solid var(--neon);
        }
        .price-card.featured .price-btn:hover {
            box-shadow: var(--neon-glow);
            transform: translateY(-2px);
            color: #fff;
        }
        .price-card:not(.featured) .price-btn {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .price-card:not(.featured) .price-btn:hover {
            background: #E8F3FF;
        }
        @media (max-width: 991.98px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .price-card.featured {
                order: -1;
            }
        }
        @media (max-width: 767.98px) {
            .pricing-section {
                padding: 60px 0;
            }
        }

        /* ====== CTA + FAQ ====== */
        .cta-section {
            background: var(--dark);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, .12), transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-card {
            position: relative;
            background: var(--dark-2);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 24px;
            padding: 50px 45px;
            backdrop-filter: blur(10px);
            color: #fff;
        }
        .cta-section .cta-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, .7);
            font-size: 15px;
            margin-bottom: 30px;
        }
        .form-label {
            color: #B9CCE4;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 8px;
            display: block;
        }
        .form-control-custom {
            width: 100%;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 14px;
            padding: 14px 16px;
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }
        .form-control-custom:focus {
            outline: none;
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(0, 207, 200, .25);
            background: rgba(255, 255, 255, .09);
        }
        .form-control-custom::placeholder {
            color: rgba(255, 255, 255, .35);
        }
        select.form-control-custom {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(255,255,255,0.6)' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }
        .cta-section .btn-submit {
            width: 100%;
            background: var(--neon);
            color: var(--dark-2);
            border: none;
            border-radius: 999px;
            padding: 14px 24px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            cursor: pointer;
        }
        .cta-section .btn-submit:hover {
            box-shadow: 0 0 30px rgba(0, 207, 200, .4);
            transform: translateY(-2px);
        }
        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            text-align: center;
            margin-top: 14px;
        }
        .cta-note a {
            color: rgba(255, 255, 255, .6);
            text-decoration: underline;
        }
        .faq-wrapper .accordion-item {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-wrapper .accordion-button {
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
        }
        .faq-wrapper .accordion-button:not(.collapsed) {
            color: var(--neon);
            background: rgba(0, 207, 200, .06);
        }
        .faq-wrapper .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300CFC8' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
        }
        .faq-wrapper .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(0, 207, 200, .3);
        }
        .faq-wrapper .accordion-body {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            padding: 0 24px 18px;
            line-height: 1.8;
        }
        @media (max-width: 767.98px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section .cta-card {
                padding: 30px 22px;
            }
        }

        /* ====== Footer ====== */
        .site-footer {
            background: var(--dark);
            padding: 70px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .04);
            color: rgba(255, 255, 255, .7);
        }
        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .footer-brand i {
            color: var(--neon);
        }
        .site-footer .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.8;
            max-width: 360px;
        }
        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--neon);
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--neon);
            padding-left: 4px;
        }
        .site-footer .footer-contact li {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 14px;
        }
        .site-footer .footer-contact i {
            color: var(--neon);
            margin-top: 4px;
            width: 16px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 22px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, .5);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--neon);
        }
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--dark-2);
            border: 1px solid var(--neon);
            color: var(--neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            cursor: pointer;
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-top:hover {
            background: var(--neon);
            color: var(--dark-2);
        }

        /* ====== Responsive Additional ====== */
        @media (max-width: 575.98px) {
            .section {
                padding: 60px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero .hero-ctas .btn-primary-custom,
            .hero .hero-ctas .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
            .price-card {
                padding: 28px 22px;
            }
            .back-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
            }
        }
        .btn:focus,
        .btn:focus-visible,
        .form-control:focus,
        .accordion-button:focus {
            outline: 3px solid rgba(0, 207, 200, .4);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1E5F9E;
            --primary-light: #2B7BCA;
            --primary-lighter: #E8F3FF;
            --neon: #00CFC8;
            --amber: #F0B94E;
            --bg-body: #F4F8FC;
            --bg-card: #FFFFFF;
            --bg-dark: #0B1A2E;
            --text-main: #1A2C3E;
            --text-sub: #5E7894;
            --text-weak: #A5B8CC;
            --border: #DCE8F2;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-card: 0 10px 30px rgba(17,62,112,0.10);
            --shadow-hover: 0 18px 40px rgba(17,62,112,0.16);
            --shadow-neon: 0 0 0 1px rgba(0,207,200,.4), 0 0 24px rgba(0,207,200,.25);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --section-space: 100px;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .3s ease;
        }

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

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

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

        .container {
            max-width: 1240px;
        }

        section {
            padding: var(--section-space) 0;
            position: relative;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.8;
        }

        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(0, 207, 200, .12);
            color: #0B8A85;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        /* ========== 按钮 ========== */
        .btn-neon {
            background: var(--bg-dark);
            color: #fff;
            border: 1px solid rgba(0, 207, 200, .6);
            padding: 13px 34px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 1px;
            transition: all .3s ease;
            box-shadow: 0 0 0 1px rgba(0, 207, 200, .15), 0 0 18px rgba(0, 207, 200, .12);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-neon:hover {
            background: #15243a;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
            border-color: var(--neon);
        }

        .btn-neon:focus {
            outline: 3px solid rgba(0, 207, 200, .4);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 13px 34px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background: var(--primary-lighter);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 95, 158, .12);
        }

        .btn-outline:focus {
            outline: 3px solid rgba(30, 95, 158, .25);
            outline-offset: 2px;
        }

        /* ========== 导航 ========== */
        .navbar-main {
            background: var(--bg-dark);
            min-height: 76px;
            padding: 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            box-shadow: 0 4px 24px rgba(11, 26, 46, .35);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .navbar-main.is-scrolled {
            background: rgba(11, 26, 46, .96);
            backdrop-filter: blur(8px);
            box-shadow: 0 2px 16px rgba(11, 26, 46, .4);
        }

        .navbar-main .navbar-brand {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }

        .navbar-main .navbar-brand i {
            color: var(--neon);
            font-size: 24px;
            text-shadow: 0 0 12px rgba(0, 207, 200, .5);
        }

        .navbar-main .navbar-brand:hover {
            color: #fff;
        }

        .navbar-main .nav-link {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            font-weight: 500;
            padding: 24px 18px;
            position: relative;
            transition: color .3s ease;
            letter-spacing: .5px;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 0;
            height: 3px;
            border-radius: 4px 4px 0 0;
            background: linear-gradient(90deg, var(--neon), var(--amber));
            opacity: 0;
            transform: scaleX(.3);
            transition: all .3s ease;
        }

        .navbar-main .nav-link:hover {
            color: #fff;
        }

        .navbar-main .nav-link:hover::after {
            opacity: .7;
            transform: scaleX(.8);
        }

        .navbar-main .nav-link.active {
            color: var(--neon);
            text-shadow: 0 0 10px rgba(0, 207, 200, .5);
        }

        .navbar-main .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
            background: linear-gradient(90deg, var(--neon), var(--amber));
        }

        .navbar-main .btn-neon {
            padding: 10px 26px;
            font-size: 14px;
        }

        .navbar-toggler {
            border: none;
            font-size: 22px;
            padding: 4px 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-collapse {
            background: transparent;
        }

        @media (max-width: 991.98px) {
            .navbar-main {
                min-height: 64px;
            }

            .navbar-main .navbar-collapse {
                background: rgba(11, 26, 46, .98);
                padding: 16px 8px;
                border-radius: 0 0 16px 16px;
                margin-top: 8px;
                border-top: 1px solid rgba(0, 207, 200, .15);
                box-shadow: 0 18px 40px rgba(11, 26, 46, .45);
            }

            .navbar-main .nav-link {
                padding: 12px 18px;
                border-left: 3px solid transparent;
                border-radius: 0 8px 8px 0;
            }

            .navbar-main .nav-link::after {
                display: none;
            }

            .navbar-main .nav-link.active {
                border-left-color: var(--neon);
                background: rgba(0, 207, 200, .08);
            }

            .navbar-main .btn-neon {
                margin: 12px 18px;
                justify-content: center;
            }
        }

        /* ========== 分类页 Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, #E8F4FF 0%, #F4F8FC 50%, #EAF6F6 100%);
            padding: 160px 0 90px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, .12), transparent 70%);
            pointer-events: none;
        }

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

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 7px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(17, 62, 112, .08);
            margin-bottom: 22px;
        }

        .category-hero .hero-badge i {
            color: var(--neon);
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .category-hero .hero-lead {
            font-size: 18px;
            color: var(--text-sub);
            line-height: 1.85;
            max-width: 600px;
            margin-bottom: 32px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .category-hero .hero-image {
            position: relative;
            z-index: 2;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card), 0 0 40px rgba(0, 207, 200, .08);
        }

        .category-hero .hero-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .hero-info-strip {
            margin-top: 48px;
            background: var(--bg-dark);
            border-radius: 16px;
            padding: 22px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 18px;
            box-shadow: 0 12px 32px rgba(11, 26, 46, .25);
        }

        .hero-info-strip .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, .88);
            font-size: 14px;
        }

        .hero-info-strip .info-item i {
            color: var(--neon);
            font-size: 20px;
        }

        .hero-info-strip .info-item strong {
            color: var(--amber);
            font-size: 16px;
            margin-right: 4px;
        }

        /* ========== 核心服务 ========== */
        .service-cards {
            background: var(--bg-body);
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 30px 28px;
            height: 100%;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all .35s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), var(--amber));
            opacity: 0;
            transition: opacity .35s ease;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 207, 200, .3);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: rgba(30, 95, 158, .1);
            color: var(--primary);
            transition: all .3s ease;
        }

        .service-card:hover .service-icon {
            background: rgba(0, 207, 200, .14);
            color: #0B8A85;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== 服务优势 ========== */
        .advantage-section {
            background: var(--bg-dark);
            padding: 100px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .advantage-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 207, 200, .4), transparent);
        }

        .advantage-section .section-title {
            color: #fff;
        }

        .advantage-section .section-subtitle {
            color: rgba(255, 255, 255, .65);
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 20px;
        }

        .advantage-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 16px;
            padding: 32px 26px;
            text-align: center;
            transition: all .3s ease;
        }

        .advantage-item:hover {
            background: rgba(255, 255, 255, .09);
            border-color: rgba(0, 207, 200, .35);
            transform: translateY(-4px);
        }

        .advantage-item .num {
            font-size: 36px;
            font-weight: 700;
            color: var(--neon);
            margin-bottom: 10px;
            text-shadow: 0 0 20px rgba(0, 207, 200, .35);
        }

        .advantage-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .advantage-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767.98px) {
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .advantage-item {
                padding: 24px 16px;
            }

            .advantage-item .num {
                font-size: 28px;
            }
        }

        /* ========== 适用场景 ========== */
        .scenario-section {
            background: var(--bg-body);
        }

        .scenario-item {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .scenario-item .scenario-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .scenario-item .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .scenario-item:hover .scenario-img img {
            transform: scale(1.06);
        }

        .scenario-item .scenario-body {
            padding: 26px 28px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scenario-tag {
            display: inline-block;
            align-self: flex-start;
            background: rgba(30, 95, 158, .1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

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

        .scenario-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

        .scenario-item .scenario-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .scenario-item .scenario-footer span {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ========== 流程时间线 ========== */
        .process-section {
            background: linear-gradient(180deg, var(--bg-body) 0%, #EDF5FA 100%);
        }

        .process-timeline {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
            padding: 40px 0;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--border);
            transform: translateX(-50%);
        }

        .process-item {
            position: relative;
            padding: 20px 0;
            width: 50%;
            padding-left: 50px;
        }

        .process-item:nth-child(odd) {
            left: 0;
            padding-left: 0;
            padding-right: 50px;
            text-align: right;
        }

        .process-item:nth-child(even) {
            left: 50%;
        }

        .process-item .process-dot {
            position: absolute;
            top: 36px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--neon);
            box-shadow: 0 0 0 4px rgba(0, 207, 200, .18), 0 0 18px rgba(0, 207, 200, .45);
            z-index: 1;
        }

        .process-item:nth-child(odd) .process-dot {
            right: -7px;
        }

        .process-item:nth-child(even) .process-dot {
            left: -7px;
        }

        .process-card {
            background: var(--bg-card);
            border-radius: 14px;
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all .3s ease;
        }

        .process-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 207, 200, .3);
        }

        .process-card .process-step {
            display: inline-block;
            background: rgba(0, 207, 200, .12);
            color: #0B8A85;
            font-size: 13px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

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

        .process-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .process-timeline::before {
                left: 8px;
                transform: none;
            }

            .process-item,
            .process-item:nth-child(odd),
            .process-item:nth-child(even) {
                width: 100%;
                left: 0;
                padding-left: 36px;
                padding-right: 0;
                text-align: left;
            }

            .process-item .process-dot,
            .process-item:nth-child(odd) .process-dot,
            .process-item:nth-child(even) .process-dot {
                left: 1px;
                right: auto;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-body);
        }

        .faq-card {
            background: var(--bg-card);
            border-radius: 14px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 14px rgba(17, 62, 112, .06);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all .3s ease;
        }

        .faq-card:hover {
            border-color: rgba(0, 207, 200, .3);
            box-shadow: var(--shadow-card);
        }

        .faq-card .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 17px;
            font-weight: 600;
            padding: 22px 28px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .faq-card .accordion-button::after {
            content: none;
        }

        .faq-card .accordion-button .faq-icon {
            width: 32px;
            height: 32px;
            min-width: 32px;
            border-radius: 50%;
            background: rgba(30, 95, 158, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: all .3s ease;
        }

        .faq-card .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(30, 95, 158, .04);
        }

        .faq-card .accordion-button:not(.collapsed) .faq-icon {
            background: var(--neon);
            color: var(--bg-dark);
        }

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

        .faq-card .accordion-button::before {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            height: 2px;
            width: 0;
            background: var(--neon);
            transition: width .35s ease;
        }

        .faq-card .accordion-button:not(.collapsed)::before {
            width: 100%;
        }

        .faq-card .accordion-body {
            padding: 8px 28px 24px 74px;
            background: var(--bg-body);
            border-top: 1px solid var(--border);
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.85;
        }

        .faq-card .accordion-body p {
            margin-bottom: 0;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: 90px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, .15), transparent 70%);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 185, 78, .1), transparent 70%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-content .btn-neon {
            padding: 15px 44px;
            font-size: 16px;
        }

        .cta-note {
            margin-top: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .6);
            padding: 70px 0 30px;
        }

        .site-footer .footer-brand {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand i {
            color: var(--neon);
            font-size: 24px;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 0;
            max-width: 340px;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: all .3s ease;
        }

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

        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .site-footer .footer-contact li i {
            color: var(--neon);
            margin-top: 4px;
            font-size: 14px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            margin-top: 50px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            transition: color .3s ease;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--neon);
        }

        .back-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
            transition: all .3s ease;
        }

        .back-top:hover {
            color: var(--neon);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .container {
                max-width: 960px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --section-space: 80px;
            }

            .section-title {
                font-size: 30px;
            }

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

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

            .hero-info-strip {
                padding: 18px 24px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-space: 56px;
            }

            .section-title {
                font-size: 26px;
            }

            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }

            .category-hero {
                padding: 120px 0 50px;
            }

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

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

            .category-hero .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .category-hero .hero-image img {
                height: 240px;
            }

            .hero-info-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-top: 32px;
            }

            .service-card {
                padding: 24px 22px;
            }

            .scenario-item .scenario-body {
                padding: 22px 20px 24px;
            }

            .cta-content h2 {
                font-size: 28px;
            }

            .cta-content p {
                font-size: 15px;
            }

            .faq-card .accordion-button {
                font-size: 15px;
            }

            .faq-card .accordion-body {
                padding-left: 20px;
                padding-right: 20px;
            }

            .site-footer {
                padding: 50px 0 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

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

            .category-hero h1 {
                font-size: 27px;
                line-height: 1.35;
            }

            .btn-neon,
            .btn-outline {
                padding: 12px 26px;
                font-size: 14px;
            }

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

            .advantage-item {
                padding: 20px;
            }
        }

/* roulang page: article */
/* ============ 设计变量 ============ */
        :root {
            --primary-blue: #1E5F9E;
            --primary-light: #2B7BCA;
            --neon-cyan: #00CFC8;
            --amber-gold: #F0B94E;
            --bg-light: #F4F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #0B1A2E;
            --text-dark: #1A2C3E;
            --text-body: #3A5568;
            --text-muted: #5E7894;
            --text-disabled: #A5B8CC;
            --border-color: #DCE8F2;
            --border-light: #EAF1F7;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(17,62,112,0.10);
            --shadow-card-hover: 0 18px 40px rgba(17,62,112,0.16);
            --shadow-neon: 0 0 0 1px rgba(0,207,200,.4), 0 0 24px rgba(0,207,200,.25);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --section-pad-desktop: 100px;
            --section-pad-tablet: 80px;
            --section-pad-mobile: 56px;
        }

        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.8;
            font-size: 16px;
            padding-top: 76px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            transition: all .3s ease;
        }

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

        .container {
            max-width: 1240px;
        }

        /* ============ 通用标题 ============ */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: 44px;
        }

        h2 {
            font-size: 34px;
        }

        h3 {
            font-size: 22px;
            font-weight: 600;
        }

        p {
            color: var(--text-body);
        }

        /* ============ 按钮 ============ */
        .btn-neon {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 13px 34px;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: .5px;
            transition: all .35s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-neon:hover {
            background: var(--neon-cyan);
            color: var(--bg-dark);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }

        .btn-neon:focus {
            outline: 3px solid rgba(0, 207, 200, .4);
            outline-offset: 2px;
        }

        .btn-outline-primary-custom {
            background: transparent;
            border: 1px solid var(--primary-blue);
            color: var(--primary-blue);
            border-radius: var(--radius-pill);
            padding: 13px 34px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-primary-custom:hover {
            background: #E8F3FF;
            color: var(--primary-blue);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .btn-primary-custom {
            background: var(--primary-blue);
            border: 1px solid var(--primary-blue);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 13px 34px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        /* ============ 导航 ============ */
        .navbar-main {
            background: var(--bg-dark);
            min-height: 76px;
            padding: 0;
            box-shadow: 0 4px 24px rgba(2, 8, 18, 0.4);
            z-index: 1030;
            transition: background .3s ease;
        }

        .navbar-main .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 21px;
            font-weight: 700;
            letter-spacing: .5px;
            padding: 0;
        }

        .navbar-main .navbar-brand i {
            font-size: 26px;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 8px rgba(0, 207, 200, .5));
        }

        .navbar-main .navbar-brand:hover {
            color: #fff;
        }

        .navbar-main .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 500;
            padding: 26px 10px !important;
            position: relative;
            transition: color .3s ease;
            letter-spacing: .3px;
        }

        .navbar-main .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 20px;
            left: 10px;
            right: 10px;
            height: 3px;
            border-radius: 3px;
            background: var(--neon-cyan);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .35s ease;
        }

        .navbar-main .navbar-nav .nav-link:hover::after,
        .navbar-main .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .navbar-main .navbar-nav .nav-link:hover {
            color: #fff;
        }

        .navbar-main .navbar-nav .nav-link.active {
            color: #fff;
            text-shadow: 0 0 12px rgba(0, 207, 200, .5);
        }

        .navbar-main .btn-neon {
            padding: 9px 28px;
            font-size: 14px;
        }

        .navbar-main .navbar-toggler {
            border: none;
            outline: none;
            padding: 6px 10px;
        }

        .navbar-main .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(0, 207, 200, .4);
            border-radius: 8px;
        }

        @media (max-width: 991.98px) {
            .navbar-main {
                min-height: 62px;
            }

            body {
                padding-top: 62px;
            }

            .navbar-main .navbar-collapse {
                background: var(--bg-dark);
                padding: 16px 20px 24px;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 24px 48px rgba(0, 0, 0, .35);
                margin-top: 8px;
            }

            .navbar-main .navbar-nav .nav-link {
                padding: 14px 20px !important;
                border-left: 3px solid transparent;
                font-size: 16px;
            }

            .navbar-main .navbar-nav .nav-link::after {
                display: none;
            }

            .navbar-main .navbar-nav .nav-link.active {
                border-left-color: var(--neon-cyan);
                background: rgba(0, 207, 200, .08);
                border-radius: 8px;
            }

            .navbar-main .btn-neon {
                margin-top: 12px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ============ 面包屑 ============ */
        .article-breadcrumb {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .article-breadcrumb .breadcrumb {
            margin: 0;
        }

        .article-breadcrumb .breadcrumb-item {
            font-size: 14px;
            color: var(--text-muted);
        }

        .article-breadcrumb .breadcrumb-item a {
            color: var(--primary-blue);
        }

        .article-breadcrumb .breadcrumb-item a:hover {
            color: var(--primary-light);
        }

        .article-breadcrumb .breadcrumb-item.active {
            color: var(--text-disabled);
            max-width: 300px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            color: var(--border-color);
        }

        /* ============ 文章头部 ============ */
        .article-hero {
            background: linear-gradient(180deg, #EDF4FB 0%, var(--bg-light) 100%);
            padding: 64px 0 56px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero-inner {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            color: var(--primary-blue);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
            box-shadow: 0 2px 10px rgba(17, 62, 112, 0.06);
        }

        .article-cat-badge i {
            color: var(--neon-cyan);
        }

        .article-hero h1 {
            font-size: 40px;
            line-height: 1.35;
            margin: 0 auto 20px;
            max-width: 800px;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--primary-light);
        }

        /* ============ 正文区 ============ */
        .article-body-section {
            padding: 80px 0 60px;
            background: var(--bg-light);
        }

        .article-content-wrap {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-card);
            position: relative;
            border-top: 3px solid var(--neon-cyan);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-content>*:first-child {
            margin-top: 0 !important;
        }

        .article-content p {
            margin-bottom: 1.8em;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 2em 0 1em;
            padding-bottom: .5em;
            border-bottom: 1px solid var(--border-color);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 1.8em 0 .8em;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.8em;
            padding-left: 1.6em;
        }

        .article-content li {
            margin-bottom: .6em;
        }

        .article-content a {
            color: var(--primary-blue);
            border-bottom: 1px solid rgba(30, 95, 158, .25);
        }

        .article-content a:hover {
            color: var(--primary-light);
            border-bottom-color: var(--primary-light);
        }

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.5em auto;
            display: block;
            box-shadow: var(--shadow-card);
        }

        .article-content blockquote {
            background: var(--bg-light);
            border-left: 4px solid var(--neon-cyan);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 22px 26px;
            margin: 2em 0;
            color: var(--text-body);
            font-style: normal;
            position: relative;
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content pre {
            background: var(--bg-dark);
            color: #E2E8F0;
            padding: 22px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 2em 0;
        }

        .article-content code {
            background: #EFF4F9;
            color: var(--primary-blue);
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 14px;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            border-radius: 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            font-size: 15px;
        }

        .article-content th {
            background: var(--bg-light);
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            border-bottom: 2px solid var(--border-color);
            color: var(--text-dark);
        }

        .article-content td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
        }

        .article-tags {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-light);
            color: var(--primary-blue);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-color);
            transition: all .3s;
        }

        .article-tag:hover {
            background: var(--primary-blue);
            color: #fff;
            border-color: var(--primary-blue);
        }

        /* 内容未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .article-not-found i {
            font-size: 56px;
            color: var(--text-disabled);
            margin-bottom: 20px;
            display: block;
        }

        .article-not-found h3 {
            font-size: 24px;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 文章底部导航 ============ */
        .post-nav-section {
            padding: 40px 0 20px;
            background: var(--bg-light);
        }

        .post-nav-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            box-shadow: var(--shadow-card);
        }

        .post-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-blue);
            font-size: 15px;
            font-weight: 500;
            transition: all .3s;
        }

        .post-nav-link:hover {
            color: var(--neon-cyan);
            transform: translateY(-2px);
        }

        .post-nav-center a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 7px 22px;
            transition: all .3s;
        }

        .post-nav-center a:hover {
            color: #fff;
            background: var(--primary-blue);
            border-color: var(--primary-blue);
        }

        /* ============ 相关推荐 ============ */
        .related-section {
            padding: 60px 0 var(--section-pad-desktop);
            background: var(--bg-light);
        }

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

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--neon-cyan);
            letter-spacing: .5px;
            text-transform: uppercase;
            margin-bottom: 10px;
            padding: 4px 16px;
            border: 1px solid rgba(0, 207, 200, .3);
            border-radius: var(--radius-pill);
            background: rgba(0, 207, 200, .06);
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .4s ease;
            height: 100%;
            border-top: 3px solid transparent;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
            border-top-color: var(--neon-cyan);
        }

        .related-card-img {
            display: block;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-light);
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .related-card-body {
            padding: 26px 26px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card-tag {
            display: inline-block;
            background: rgba(0, 207, 200, .1);
            color: var(--neon-cyan);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .related-card h3 {
            font-size: 18px;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .related-card h3 a {
            color: var(--text-dark);
            transition: color .3s;
        }

        .related-card h3 a:hover {
            color: var(--primary-blue);
        }

        .related-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex: 1;
        }

        .related-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
            font-size: 13px;
            color: var(--text-disabled);
        }

        .related-card-meta a {
            color: var(--primary-blue);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .related-card-meta a:hover {
            color: var(--primary-light);
        }

        /* ============ CTA 区 ============ */
        .cta-section {
            padding: var(--section-pad-desktop) 0;
            background: linear-gradient(rgba(11, 26, 46, 0.93), rgba(11, 26, 46, 0.93)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            color: #fff;
            font-size: 34px;
            margin-bottom: 16px;
        }

        .cta-box .lead {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cta-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            padding: 8px 0;
        }

        .cta-points li i {
            width: 20px;
            height: 20px;
            background: rgba(0, 207, 200, .2);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--neon-cyan);
        }

        .signup-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border-radius: 20px;
            padding: 32px;
        }

        .signup-form label {
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 8px;
            display: block;
        }

        .signup-form .form-control,
        .signup-form .form-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 13px 16px;
            font-size: 15px;
            transition: all .3s ease;
        }

        .signup-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .signup-form .form-control:focus,
        .signup-form .form-select:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 4px rgba(0, 207, 200, 0.12);
            color: #fff;
        }

        .signup-form .form-select option {
            color: var(--text-dark);
            background: #fff;
        }

        .signup-form .btn-neon {
            width: 100%;
            margin-top: 8px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            padding: 70px 0 0;
            color: rgba(255, 255, 255, 0.65);
            position: relative;
        }

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

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .footer-brand i {
            font-size: 28px;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(0, 207, 200, .4));
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: all .3s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--neon-cyan);
            transform: translateX(4px);
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .footer-contact li i {
            color: var(--neon-cyan);
            margin-top: 4px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 50px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--neon-cyan);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 991.98px) {
            :root {
                --section-pad-desktop: 76px;
                --section-pad-tablet: 60px;
                --section-pad-mobile: 48px;
            }

            .article-hero {
                padding: 48px 0 40px;
            }

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

            .article-content-wrap {
                padding: 36px 32px;
            }

            .cta-section {
                padding: var(--section-pad-tablet) 0;
            }

            .cta-box h2 {
                font-size: 28px;
            }

            .site-footer {
                padding-top: 50px;
            }
        }

        @media (max-width: 767.98px) {
            .article-breadcrumb {
                padding: 10px 0;
            }

            .article-breadcrumb .breadcrumb-item.active {
                max-width: 180px;
            }

            .article-hero {
                padding: 36px 0 32px;
            }

            .article-hero h1 {
                font-size: 28px;
                line-height: 1.4;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-body-section {
                padding: 40px 0 36px;
            }

            .article-content-wrap {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

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

            .article-content h2 {
                font-size: 21px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-content table {
                font-size: 13px;
            }

            .article-content th,
            .article-content td {
                padding: 8px 10px;
            }

            .post-nav-row {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }

            .post-nav-link,
            .post-nav-center a {
                justify-content: center;
            }

            .related-section {
                padding: 40px 0 56px;
            }

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

            .signup-form {
                padding: 24px 20px;
                margin-top: 30px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .site-footer {
                padding-top: 44px;
            }

            .footer-bottom {
                margin-top: 36px;
            }
        }

        @media (max-width: 575.98px) {
            .article-hero h1 {
                font-size: 24px;
            }

            .article-cat-badge {
                font-size: 12px;
                padding: 4px 14px;
            }

            .article-meta {
                flex-direction: column;
                gap: 6px;
                align-items: center;
            }

            .article-content-wrap {
                padding: 22px 16px;
            }

            .related-card-body {
                padding: 20px;
            }

            .post-nav-row {
                padding: 16px 20px;
            }

            .signup-form {
                padding: 20px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E5F9E;
            --primary-light: #2B7BCA;
            --neon: #00CFC8;
            --amber: #F0B94E;
            --bg: #F4F8FC;
            --card: #FFFFFF;
            --dark: #0B1A2E;
            --text: #1A2C3E;
            --text-secondary: #5E7894;
            --text-muted: #A5B8CC;
            --border: #DCE8F2;
            --radius-lg: 18px;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 10px 30px rgba(17, 62, 112, 0.10);
            --shadow-hover: 0 18px 40px rgba(17, 62, 112, 0.16);
            --neon-glow: 0 0 0 1px rgba(0, 207, 200, 0.4), 0 0 24px rgba(0, 207, 200, 0.25);
            --gap: 100px;
            --gap-md: 80px;
            --gap-sm: 56px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.8;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: var(--gap) 0;
        }

        @media (max-width: 991.98px) {
            section {
                padding: var(--gap-md) 0;
            }
        }

        @media (max-width: 575.98px) {
            section {
                padding: var(--gap-sm) 0;
            }
        }

        /* ========== Navigation ========== */
        .navbar-main {
            background: rgba(11, 26, 46, 0.98);
            min-height: 76px;
            padding: 0;
            position: relative;
            z-index: 999;
            box-shadow: 0 4px 24px rgba(11, 26, 46, 0.35);
        }

        .navbar-main .navbar-brand {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            letter-spacing: 0.5px;
        }

        .navbar-main .navbar-brand i {
            color: var(--neon);
            font-size: 24px;
        }

        .navbar-main .navbar-brand:hover {
            color: #fff;
        }

        .navbar-main .navbar-nav {
            gap: 8px;
        }

        .navbar-main .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 18px !important;
            position: relative;
            border-radius: 10px;
            transition: color .25s ease, background .25s ease, text-shadow .25s ease;
        }

        .navbar-main .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-main .nav-link.active {
            color: #fff;
            text-shadow: 0 0 10px rgba(0, 207, 200, 0.5);
        }

        .navbar-main .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--neon), var(--amber));
            box-shadow: 0 0 12px rgba(0, 207, 200, 0.5);
        }

        .navbar-main .btn-neon {
            margin-left: 14px;
        }

        .navbar-main .navbar-toggler {
            border: none;
            padding: 6px 10px;
            outline: none;
        }

        .navbar-main .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 207, 200, 0.3);
        }

        @media (max-width: 991.98px) {
            .navbar-main .navbar-collapse {
                background: var(--dark);
                padding: 16px 20px 24px;
                border-radius: 0 0 18px 18px;
                margin-top: 8px;
            }

            .navbar-main .navbar-nav {
                gap: 4px;
            }

            .navbar-main .nav-link {
                border-left: 3px solid rgba(0, 207, 200, 0.3);
                border-radius: 0;
                margin: 4px 0;
                padding: 10px 16px !important;
            }

            .navbar-main .nav-link.active {
                border-left-color: var(--neon);
            }

            .navbar-main .nav-link.active::after {
                display: none;
            }

            .navbar-main .btn-neon {
                margin-left: 0;
                margin-top: 14px;
                width: 100%;
                text-align: center;
            }
        }

        /* ========== Buttons ========== */
        .btn {
            border-radius: 999px;
            padding: 13px 34px;
            font-size: 15px;
            font-weight: 600;
            transition: all .3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn:focus {
            outline: 3px solid rgba(0, 207, 200, 0.4);
            outline-offset: 2px;
            box-shadow: none;
        }

        .btn-neon {
            background: #101E33;
            color: #fff;
            border: 1px solid rgba(0, 207, 200, 0.6);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.25);
        }

        .btn-neon:hover,
        .btn-neon:focus {
            background: #0B1A2E;
            color: #fff;
            border-color: var(--neon);
            box-shadow: var(--neon-glow);
            transform: translateY(-2px);
        }

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

        .btn-outline-primary:hover {
            background: #E8F3FF;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-amber {
            background: var(--amber);
            color: #1A2C3E;
        }

        .btn-amber:hover {
            background: #E5A83B;
            color: #1A2C3E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 185, 78, 0.35);
        }

        .btn-disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== Section head ========== */
        .section-tag {
            display: inline-block;
            background: rgba(0, 207, 200, 0.1);
            color: #0B9A95;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 207, 200, 0.25);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
        }

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

        @media (max-width: 575.98px) {
            .section-head h2 {
                font-size: 26px;
            }
        }

        /* ========== Page Hero ========== */
        .page-hero {
            background: var(--bg);
            padding: 90px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0, 207, 200, 0.08), transparent 70%);
            pointer-events: none;
        }

        .page-hero-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .breadcrumb-wrap {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-wrap a {
            color: var(--text-secondary);
            text-decoration: none;
        }

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

        .breadcrumb-wrap .sep {
            color: var(--text-muted);
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-hero h1 .highlight {
            color: var(--primary);
        }

        .lead-text {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 580px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .hero-meta {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
        }

        .hero-meta span {
            font-size: 14px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta i {
            color: var(--neon);
        }

        .page-hero-visual {
            position: relative;
        }

        .hero-img-wrap {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
        }

        .hero-img-wrap::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 207, 200, 0.06), transparent 50%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-img-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
        }

        .float-card {
            position: absolute;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-radius: 14px;
            box-shadow: var(--shadow);
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 2;
            border: 1px solid rgba(0, 207, 200, 0.25);
            animation: floatUp 4s ease-in-out infinite alternate;
        }

        .float-card i {
            color: var(--neon);
        }

        .float-card-1 {
            top: -18px;
            left: -20px;
        }

        .float-card-2 {
            bottom: 24px;
            right: -14px;
            animation-delay: 1.8s;
        }

        @keyframes floatUp {
            0% {
                transform: translateY(0);
            }

            100% {
                transform: translateY(-8px);
            }
        }

        @media (max-width: 991.98px) {
            .page-hero-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

            .float-card-1 {
                left: 0;
            }

            .float-card-2 {
                right: 0;
            }
        }

        @media (max-width: 575.98px) {
            .page-hero {
                padding: 60px 0 48px;
            }

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

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

            .hero-img-wrap img {
                height: 240px;
            }

            .float-card {
                padding: 8px 12px;
                font-size: 12px;
                border-radius: 10px;
            }

            .float-card-1 {
                top: 8px;
                left: 8px;
            }

            .float-card-2 {
                bottom: 12px;
                right: 8px;
            }
        }

        /* ========== Service Features ========== */
        .service-features {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), var(--amber));
            opacity: 0;
            transition: opacity .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 207, 200, 0.4);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(0, 207, 200, 0.12), rgba(30, 95, 158, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: transform .3s ease, background .3s ease;
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.05);
            background: linear-gradient(135deg, rgba(0, 207, 200, 0.2), rgba(30, 95, 158, 0.15));
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 16px;
        }

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

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

        /* ========== Service Scene ========== */
        .scene-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .scene-img {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
        }

        .scene-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 26, 46, 0.12), transparent 40%);
            pointer-events: none;
        }

        .scene-img img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
        }

        .scene-content .section-tag {
            margin-bottom: 16px;
        }

        .scene-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text);
        }

        .scene-content>p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .scene-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .scene-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }

        .scene-list li:last-child {
            border-bottom: none;
        }

        .scene-list i {
            color: var(--neon);
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 991.98px) {
            .scene-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .scene-img img {
                height: 300px;
            }
        }

        /* ========== Service Process ========== */
        .service-process {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .service-process::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(ellipse, rgba(0, 207, 200, 0.12), transparent 65%);
            pointer-events: none;
        }

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

        .service-process .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .process-step {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            backdrop-filter: blur(6px);
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

        .process-step:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 207, 200, 0.4);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.2), 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .process-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 0 0 4px rgba(0, 207, 200, 0.15), 0 4px 16px rgba(0, 207, 200, 0.3);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Service Stats ========== */
        .service-stats {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .stats-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .stat-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 20px;
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .stat-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        @media (max-width: 991.98px) {
            .stats-wrap {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .stats-wrap {
                grid-template-columns: 1fr;
            }

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

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            background: #fff;
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .faq-wrap .accordion-button {
            background: #fff;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            transition: color .25s ease, background .25s ease;
        }

        .faq-wrap .accordion-button::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background: none;
            width: auto;
            height: auto;
            color: var(--primary);
            font-size: 14px;
            transition: transform .3s ease, color .3s ease;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            content: "\f068";
            color: var(--neon);
            transform: rotate(0deg);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: #F7FAFD;
            color: var(--primary);
            border-bottom: 2px solid rgba(0, 207, 200, 0.5);
        }

        .faq-wrap .accordion-button:focus {
            outline: 3px solid rgba(0, 207, 200, 0.3);
            box-shadow: none;
        }

        .faq-wrap .accordion-body {
            background: #F7FAFD;
            padding: 20px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid var(--border);
        }

        /* ========== CTA Panel ========== */
        .service-cta {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .service-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .service-cta::after {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
            width: 500px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(0, 207, 200, 0.1), transparent 70%);
            pointer-events: none;
        }

        .cta-panel {
            position: relative;
            z-index: 2;
            background: rgba(11, 26, 46, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            padding: 60px;
        }

        .cta-panel .row {
            align-items: center;
        }

        .cta-left h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .cta-left>p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .cta-rules {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 18px 20px;
            margin-top: 24px;
        }

        .cta-rules p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .cta-rules p i {
            color: var(--neon);
            margin-top: 3px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 36px;
            backdrop-filter: blur(6px);
        }

        .cta-form .form-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .cta-form .form-control,
        .cta-form .form-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            color: #fff;
            padding: 13px 16px;
            font-size: 15px;
            transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
        }

        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--neon);
            box-shadow: 0 0 0 4px rgba(0, 207, 200, 0.15);
            color: #fff;
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .cta-form .form-select option {
            background: var(--dark);
            color: #fff;
        }

        .cta-form .btn {
            margin-top: 10px;
            width: 100%;
        }

        .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .form-note i {
            color: var(--neon);
        }

        @media (max-width: 991.98px) {
            .cta-panel {
                padding: 36px 28px;
            }
        }

        @media (max-width: 575.98px) {
            .cta-panel {
                padding: 28px 18px;
                border-radius: 18px;
            }

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

            .cta-left h2 {
                font-size: 24px;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), var(--primary-light), var(--amber));
            opacity: 0.5;
        }

        .footer-brand {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand i {
            color: var(--neon);
            font-size: 22px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color .25s ease, padding-left .25s ease;
        }

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

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--neon);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 50px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a:hover {
            color: var(--neon);
        }

        /* ========== Back to top ========== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--dark);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            z-index: 999;
            border: 1px solid rgba(0, 207, 200, 0.4);
            box-shadow: 0 6px 20px rgba(11, 26, 46, 0.3);
            transition: all .3s ease;
            text-decoration: none;
        }

        .back-to-top:hover {
            background: var(--neon);
            color: var(--dark);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.4), 0 0 24px rgba(0, 207, 200, 0.35);
            transform: translateY(-3px);
            color: #0B1A2E;
        }

        @media (max-width: 575.98px) {
            .back-to-top {
                bottom: 18px;
                right: 18px;
                width: 38px;
                height: 38px;
                font-size: 14px;
            }
        }

        /* ========== Accessibility ========== */
        :focus-visible {
            outline: 3px solid rgba(0, 207, 200, 0.5);
            outline-offset: 2px;
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E5F9E;
            --primary-light: #2B7BCA;
            --primary-bg: #E8F3FF;
            --neon: #00CFC8;
            --accent: #F0B94E;
            --bg: #F4F8FC;
            --card-bg: #FFFFFF;
            --dark: #0B1A2E;
            --dark-2: #101E33;
            --text: #1A2C3E;
            --text-secondary: #5E7894;
            --text-muted: #A5B8CC;
            --border: #DCE8F2;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 10px 30px rgba(17,62,112,0.10);
            --shadow-hover: 0 18px 40px rgba(17,62,112,0.16);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'sans-serif';
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.8;
            overflow-x: hidden;
        }

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

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

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: var(--dark);
            min-height: 76px;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            background-color: rgba(11, 26, 46, 0.95);
        }

        .navbar-main .navbar-brand {
            color: #ffffff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-main .navbar-brand i {
            color: var(--neon);
            font-size: 24px;
            background: rgba(0, 207, 200, 0.12);
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid rgba(0, 207, 200, 0.25);
        }

        .navbar-main .navbar-brand:hover {
            color: #ffffff;
            text-shadow: 0 0 14px rgba(0, 207, 200, 0.4);
        }

        .navbar-main .navbar-nav {
            gap: 32px;
        }

        .navbar-main .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), var(--accent));
            border-radius: 3px;
            transition: width 0.35s ease;
        }

        .navbar-main .nav-link:hover {
            color: #ffffff;
        }

        .navbar-main .nav-link:hover::after {
            width: 100%;
        }

        .navbar-main .nav-link.active {
            color: #ffffff;
            text-shadow: 0 0 12px rgba(0, 207, 200, 0.5);
        }

        .navbar-main .nav-link.active::after {
            width: 100%;
            background: linear-gradient(90deg, var(--neon), var(--accent));
            box-shadow: 0 0 10px rgba(0, 207, 200, 0.5);
        }

        .btn-neon {
            background: var(--dark-2);
            color: #ffffff;
            border: 1.5px solid var(--neon);
            border-radius: 50rem;
            padding: 11px 30px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 1px;
            transition: var(--transition);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.25), 0 0 18px rgba(0, 207, 200, 0.12);
        }

        .btn-neon:hover {
            background: var(--neon);
            color: var(--dark-2);
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.5), 0 0 30px rgba(0, 207, 200, 0.3);
        }

        .btn-neon:focus {
            outline: 3px solid rgba(0, 207, 200, 0.4);
            outline-offset: 2px;
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(0, 207, 200, 0.3);
        }

        @media (max-width: 991px) {
            .navbar-main .navbar-nav {
                gap: 4px;
                padding-top: 16px;
            }

            .navbar-main .nav-link {
                padding: 10px 12px;
                border-left: 3px solid rgba(0, 207, 200, 0.3);
                margin-bottom: 4px;
            }

            .navbar-main .nav-link.active {
                border-left-color: var(--neon);
                background: rgba(0, 207, 200, 0.06);
            }

            .navbar-main .nav-link::after {
                display: none;
            }

            .btn-neon {
                margin-top: 14px;
                display: inline-block;
                text-align: center;
            }
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #EAF3FB 0%, #D6E8F7 55%, #F4F8FC 100%);
            padding: 120px 0 100px;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(27, 95, 158, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 95, 158, 0.10);
            border: 1px solid rgba(30, 95, 158, 0.15);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50rem;
            margin-bottom: 22px;
            letter-spacing: 1px;
        }

        .category-hero .hero-badge i {
            color: var(--neon);
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .category-hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .category-hero h1 span::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 10px;
            background: linear-gradient(90deg, rgba(0, 207, 200, 0.25), rgba(240, 185, 78, 0.25));
            border-radius: 4px;
            z-index: -1;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 620px;
            margin-bottom: 30px;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }

        .category-hero .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 10px 20px;
            font-size: 14px;
            color: var(--text);
            box-shadow: 0 4px 12px rgba(17, 62, 112, 0.06);
        }

        .category-hero .hero-meta .meta-item i {
            color: var(--primary);
            font-size: 16px;
        }

        .category-hero .hero-image {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(17, 62, 112, 0.15);
            border: 4px solid #ffffff;
        }

        .category-hero .hero-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            display: block;
        }

        .category-hero .hero-image .image-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            background: rgba(11, 26, 46, 0.85);
            backdrop-filter: blur(8px);
            color: #ffffff;
            border-radius: 12px;
            padding: 12px 18px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .category-hero .hero-image .image-caption i {
            color: var(--neon);
        }

        .category-hero .hero-float-card {
            position: absolute;
            bottom: -24px;
            left: -40px;
            background: #ffffff;
            border-radius: 16px;
            padding: 14px 22px;
            box-shadow: 0 15px 40px rgba(17, 62, 112, 0.2);
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid var(--border);
            animation: floatIn 2.5s ease-in-out infinite;
        }

        .category-hero .hero-float-card .float-icon {
            width: 44px;
            height: 44px;
            background: rgba(0, 207, 200, 0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon);
            font-size: 18px;
        }

        .category-hero .hero-float-card .float-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .category-hero .hero-float-card .float-text strong {
            display: block;
            color: var(--text);
            font-size: 15px;
        }

        @keyframes floatIn {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        @media (max-width: 991px) {
            .category-hero {
                padding: 90px 0 80px;
            }

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

            .category-hero .hero-image {
                margin-top: 40px;
            }

            .category-hero .hero-image img {
                height: 260px;
            }

            .category-hero .hero-float-card {
                left: 12px;
                bottom: -20px;
                padding: 10px 16px;
            }
        }

        @media (max-width: 576px) {
            .category-hero {
                padding: 70px 0 60px;
                min-height: auto;
            }

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

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .category-hero .hero-meta {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 100px 0;
        }

        .section-block-alt {
            background: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: rgba(30, 95, 158, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 50rem;
            letter-spacing: 1px;
            margin-bottom: 14px;
            border: 1px solid rgba(30, 95, 158, 0.12);
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 70px 0;
            }

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

        /* ===== 最新动态卡片 ===== */
        .news-card {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--neon), var(--accent));
            border-radius: 0 3px 3px 0;
            opacity: 0.85;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .news-card .card-body {
            padding: 28px;
        }

        .news-card .card-badge {
            display: inline-block;
            background: rgba(30, 95, 158, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50rem;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            border: 1px solid rgba(30, 95, 158, 0.12);
        }

        .news-card .card-badge.urgent {
            background: rgba(240, 185, 78, 0.12);
            color: #B67B18;
            border-color: rgba(240, 185, 78, 0.25);
        }

        .news-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .news-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .news-card .card-meta .meta-time i {
            margin-right: 5px;
        }

        .news-card .btn-read {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .btn-read:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        .news-featured {
            background: #ffffff;
            border-radius: 20px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow);
        }

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

        .news-featured .featured-image {
            position: relative;
            height: 240px;
            overflow: hidden;
        }

        .news-featured .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-featured .featured-image .badge-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(0, 207, 200, 0.15);
            backdrop-filter: blur(6px);
            color: #ffffff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50rem;
            border: 1px solid rgba(0, 207, 200, 0.3);
        }

        .news-featured .featured-body {
            padding: 30px;
        }

        .news-featured .featured-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .news-featured .featured-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        @media (max-width: 767px) {
            .news-featured .featured-image {
                height: 200px;
            }

            .news-featured .featured-body {
                padding: 22px;
            }
        }

        /* ===== 资讯标签块 ===== */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .topic-tags .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 50rem;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            cursor: pointer;
        }

        .topic-tags .tag-item i {
            color: var(--primary);
            font-size: 13px;
        }

        .topic-tags .tag-item:hover,
        .topic-tags .tag-item.active {
            background: var(--dark);
            border-color: var(--dark);
            color: #ffffff;
            box-shadow: 0 0 20px rgba(0, 207, 200, 0.15);
        }

        .topic-tags .tag-item:hover i,
        .topic-tags .tag-item.active i {
            color: var(--neon);
        }

        /* ===== 数据统计条 ===== */
        .stats-bar {
            background: var(--dark);
            border-radius: 20px;
            padding: 44px 48px;
            position: relative;
            overflow: hidden;
        }

        .stats-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--neon), var(--accent), transparent);
            border-radius: 3px;
        }

        .stats-bar .stat-item {
            text-align: center;
            padding: 10px 20px;
        }

        .stats-bar .stat-item .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 6px;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        .stats-bar .stat-item .stat-num span {
            color: var(--neon);
        }

        .stats-bar .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 1px;
        }

        @media (max-width: 768px) {
            .stats-bar {
                padding: 32px 24px;
            }

            .stats-bar .stat-item {
                margin-bottom: 20px;
            }

            .stats-bar .stat-item .stat-num {
                font-size: 32px;
            }
        }

        /* ===== 时间线 ===== */
        .timeline-wrap {
            position: relative;
            padding: 40px 0 20px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: #E0ECF5;
            transform: translateX(-50%);
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 48px;
            width: 50%;
            padding-right: 48px;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding-right: 0;
            padding-left: 48px;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            right: -45px;
            top: 32px;
            width: 20px;
            height: 20px;
            background: var(--neon);
            border-radius: 50%;
            box-shadow: 0 0 0 6px rgba(0, 207, 200, 0.15), 0 0 20px rgba(0, 207, 200, 0.4);
            z-index: 2;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            right: auto;
            left: -45px;
        }

        .timeline-item .timeline-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(17, 62, 112, 0.06);
        }

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

        .timeline-item .timeline-time {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-item .timeline-time i {
            color: var(--primary);
        }

        .timeline-item .timeline-status {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50rem;
            margin-bottom: 12px;
            background: rgba(30, 95, 158, 0.08);
            color: var(--primary);
            border: 1px solid rgba(30, 95, 158, 0.15);
        }

        .timeline-item .timeline-status.done {
            background: rgba(0, 207, 200, 0.1);
            color: #008F8A;
            border-color: rgba(0, 207, 200, 0.2);
        }

        .timeline-item .timeline-status.upcoming {
            background: rgba(240, 185, 78, 0.12);
            color: #B67B18;
            border-color: rgba(240, 185, 78, 0.25);
        }

        .timeline-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .timeline-item .btn-timeline {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(30, 95, 158, 0.25);
            border-radius: 50rem;
            padding: 6px 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-bg);
            transition: var(--transition);
        }

        .timeline-item .btn-timeline:hover {
            background: var(--primary);
            color: #ffffff;
            gap: 10px;
        }

        @media (max-width: 768px) {
            .timeline-wrap::before {
                left: 18px;
                transform: none;
            }

            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding-right: 0;
                padding-left: 56px;
                margin-bottom: 36px;
            }

            .timeline-item .timeline-dot,
            .timeline-item:nth-child(even) .timeline-dot {
                left: 10px;
                right: auto;
                width: 16px;
                height: 16px;
            }

            .timeline-item .timeline-card {
                padding: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-panel {
            max-width: 850px;
            margin: 0 auto;
        }

        .accordion-item-custom {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item-custom:hover {
            border-color: rgba(30, 95, 158, 0.3);
            box-shadow: 0 6px 20px rgba(17, 62, 112, 0.08);
        }

        .accordion-item-custom .accordion-header-custom {
            padding: 22px 28px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
            user-select: none;
        }

        .accordion-item-custom .accordion-header-custom i {
            color: var(--primary);
            font-size: 18px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-item-custom .accordion-body-custom {
            padding: 0 28px 24px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
            display: none;
            background: #F7FAFD;
            border-top: 2px solid var(--neon);
            margin: 0 28px;
            padding: 20px 24px;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        .accordion-item-custom.active .accordion-header-custom {
            color: var(--primary);
        }

        .accordion-item-custom.active .accordion-header-custom i {
            transform: rotate(45deg);
            color: var(--neon);
        }

        .accordion-item-custom.active .accordion-body-custom {
            display: block;
        }

        @media (max-width: 576px) {
            .accordion-item-custom .accordion-header-custom {
                padding: 18px 20px;
                font-size: 15px;
            }

            .accordion-item-custom .accordion-body-custom {
                margin: 0 20px;
                padding: 16px 18px;
            }
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: var(--dark);
            border-radius: 24px;
            padding: 70px 60px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), var(--accent), var(--neon));
            background-size: 200% 100%;
            animation: gradientMove 3s ease infinite;
        }

        @keyframes gradientMove {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 207, 200, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.9;
        }

        .cta-section .btn-group-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-section .btn-primary-custom {
            background: var(--neon);
            color: var(--dark-2);
            border: none;
            border-radius: 50rem;
            padding: 14px 36px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.3), 0 0 24px rgba(0, 207, 200, 0.2);
        }

        .cta-section .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 0 1px rgba(0, 207, 200, 0.5), 0 0 40px rgba(0, 207, 200, 0.35);
            background: #00E0D8;
        }

        .cta-section .btn-outline-custom {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            border-radius: 50rem;
            padding: 14px 36px;
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

        .cta-section .btn-outline-custom:hover {
            border-color: var(--neon);
            color: var(--neon);
            background: rgba(0, 207, 200, 0.08);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 28px;
            }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .site-footer .footer-brand i {
            color: var(--neon);
            background: rgba(0, 207, 200, 0.1);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 20px;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: var(--neon);
            border-radius: 3px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-links a::before {
            content: '›';
            color: var(--neon);
            font-size: 16px;
        }

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

        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-contact li {
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .site-footer .footer-contact li i {
            color: var(--neon);
            margin-top: 5px;
            width: 18px;
            flex-shrink: 0;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 50px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--neon);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 50px 0 24px;
            }

            .site-footer .footer-bottom {
                margin-top: 32px;
            }
        }

        /* ===== 通用 ===== */
        .btn-back-home {
            background: var(--primary-bg);
            border: 1px solid rgba(30, 95, 158, 0.2);
            color: var(--primary);
            border-radius: 50rem;
            padding: 12px 30px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-back-home:hover {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 8px 25px rgba(30, 95, 158, 0.3);
        }

        .section-padding-sm {
            padding: 60px 0;
        }

        .bg-white-section {
            background: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }