:root {
            --primary: #00d4ff;
            --primary-dark: #0099cc;
            --primary-light: #7ae9ff;
            --deep-blue: #0b1a2e;
            --navy: #0d2137;
            --night: #081524;
            --bg-deep: #050d18;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.1);
            --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --text-light: #eaf6ff;
            --text-soft: #a6c1d9;
            --text-muted: #64809c;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            background-color: var(--bg-deep);
            color: var(--text-light);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航系统 */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 13, 24, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-light);
            transition: opacity 0.2s;
        }
        .nav-logo:hover { opacity: 0.85; }
        .nav-logo .logo-badge {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-size: 26px;
        }
        .site-short {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 34px;
            list-style: none;
        }

        .nav-links > li {
            position: relative;
        }

        .nav-links a.nav-item {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            padding: 8px 4px;
            display: flex;
            align-items: center;
            gap: 6px;
            border-bottom: 2px solid transparent;
        }

        .nav-links a.nav-item:hover,
        .nav-links a.nav-item.active {
            color: var(--primary-light);
            border-bottom-color: var(--primary);
        }

        .nav-links a.nav-item i {
            font-size: 12px;
            transition: transform 0.3s;
        }
        .nav-links li:hover > a.nav-item i {
            transform: rotate(180deg);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            min-width: 560px;
            background: rgba(13, 33, 55, 0.96);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--glass-shadow);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 200;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .nav-links li:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(4px);
        }

        .mega-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mega-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mega-list a {
            font-size: 14px;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }

        .mega-list a:hover {
            background: rgba(0, 212, 255, 0.08);
            color: var(--primary-light);
        }

        .mega-card {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 204, 0.04));
            border: 1px solid rgba(0, 212, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mega-card span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .mega-card strong {
            font-size: 15px;
            color: var(--text-light);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-header {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #03141f;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 22px;
            border-radius: 50px;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.3);
            transition: all 0.3s;
        }

        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
        }

        .menu-toggle {
            display: none;
            background: none;
            color: var(--text-light);
            font-size: 26px;
            cursor: pointer;
            padding: 6px;
        }

        /* 移动端导航 */
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 24px 24px;
            background: rgba(5, 13, 24, 0.97);
            gap: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .mobile-menu a {
            font-size: 16px;
            color: var(--text-soft);
            padding: 10px 12px;
            border-radius: 10px;
            border-left: 3px solid transparent;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active-mobile {
            color: var(--primary-light);
            background: rgba(0, 212, 255, 0.06);
            border-left-color: var(--primary);
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(180deg, #091527 0%, #0b1a2e 55%, #0d2137 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            opacity: 0.15;
            animation: heroFloat 18s ease-in-out infinite alternate;
        }

        @keyframes heroFloat {
            0% { transform: scale(1.02); }
            100% { transform: scale(1.06); }
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.3);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }

        .hero-section h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            background: linear-gradient(120deg, #ffffff, var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-sub {
            font-size: 17px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-form {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 26px;
            box-shadow: var(--glass-shadow);
            max-width: 500px;
        }

        .hero-form label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-soft);
            display: block;
            margin-bottom: 6px;
        }

        .hero-form select,
        .hero-form input {
            width: 100%;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 16px;
            transition: border-color 0.3s, box-shadow 0.3s;
            appearance: none;
        }

        .hero-form select:focus,
        .hero-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            outline: none;
        }

        .hero-form select option {
            background: var(--navy);
            color: var(--text-light);
        }

        .btn-hero {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #03141f;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 32px;
            border-radius: 50px;
            box-shadow: 0 4px 24px rgba(0, 212, 255, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
            justify-content: center;
        }

        .btn-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 32px rgba(0, 212, 255, 0.6);
        }

        .hero-stats {
            display: flex;
            gap: 42px;
            margin-top: 34px;
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item strong {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
            line-height: 1.2;
        }

        .hero-stat-item span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-pain-box {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .hero-pain-box i {
            color: var(--primary);
            font-size: 22px;
        }

        .hero-pain-box p {
            font-size: 15px;
            color: var(--text-soft);
        }

        /* 板块通用 */
        .section-block {
            padding: 80px 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
            background: rgba(0, 212, 255, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 14px;
            color: var(--text-light);
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-soft);
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* About / KPI */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content .section-title {
            margin-bottom: 20px;
        }

        .about-content p {
            font-size: 15px;
            color: var(--text-soft);
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .kpi-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            text-align: center;
            transition: all 0.3s;
        }

        .kpi-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .kpi-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .kpi-card .kpi-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
        }

        .kpi-card .kpi-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 资讯列表 */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: padding 0.3s, background 0.3s;
            border-radius: 8px;
        }

        .news-list-item:hover {
            padding-left: 14px;
            background: rgba(0, 212, 255, 0.04);
        }

        .news-list-item a {
            font-size: 15px;
            color: var(--text-light);
            font-weight: 500;
            flex: 1;
        }

        .news-list-item a:hover {
            color: var(--primary-light);
        }

        .news-list-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .news-list-item .news-tag {
            font-size: 11px;
            background: rgba(0, 212, 255, 0.12);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 20px;
            white-space: nowrap;
            font-weight: 600;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: box-shadow 0.3s;
        }

        .sidebar-card:hover {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .sidebar-card img {
            border-radius: 10px;
            margin-bottom: 14px;
            height: 160px;
            object-fit: cover;
            width: 100%;
        }

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

        .sidebar-card p {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        .sidebar-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
        }

        /* 服务卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
        }

        .service-card img {
            height: 140px;
            width: 100%;
            object-fit: cover;
        }

        .service-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .service-card-body p {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }

        .service-card-tag {
            font-size: 12px;
            color: var(--primary);
            margin-top: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* App 板块 */
        .app-section {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(0, 153, 204, 0.02));
        }

        .app-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .app-content h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .app-content p {
            font-size: 15px;
            color: var(--text-soft);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .app-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 30px;
        }

        .app-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-soft);
        }

        .app-features li i {
            color: var(--primary);
            background: rgba(0, 212, 255, 0.12);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        .app-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }

        .app-image-wrap img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .btn-download {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #03141f;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 34px;
            border-radius: 50px;
            box-shadow: 0 4px 24px rgba(0, 212, 255, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 32px rgba(0, 212, 255, 0.6);
        }

        /* FAQ */
        .faq-container {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-item:hover {
            border-color: rgba(0, 212, 255, 0.2);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            cursor: pointer;
            gap: 14px;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s;
            font-size: 14px;
            flex-shrink: 0;
        }

        .faq-item[open] .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .faq-answer p {
            margin-bottom: 10px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
            padding: 90px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(5, 13, 24, 0.92), rgba(11, 26, 46, 0.82));
        }

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

        .cta-content h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 14px;
            color: #fff;
        }

        .cta-content p {
            font-size: 16px;
            color: #c7d7e8;
            max-width: 620px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .btn-cta-large {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #03141f;
            font-weight: 800;
            font-size: 17px;
            padding: 16px 46px;
            border-radius: 50px;
            box-shadow: 0 6px 30px rgba(0, 212, 255, 0.45);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn-cta-large:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 10px 40px rgba(0, 212, 255, 0.65);
        }

        /* 页脚 */
        .footer-main {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-list a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 通用玻璃卡片 */
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            box-shadow: var(--glass-shadow);
        }

        /* 卖点三板 */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 20px;
        }

        .highlight-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            text-align: left;
            position: relative;
            transition: all 0.3s;
            overflow: hidden;
        }

        .highlight-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), transparent);
            opacity: 0.5;
            transition: opacity 0.3s;
        }

        .highlight-card:hover::after {
            opacity: 1;
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.3);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
        }

        .highlight-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 212, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .highlight-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-light);
        }

        .highlight-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.65;
        }

        /* 滚动媒体精选 */
        .media-strip {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 18px;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) rgba(255,255,255,0.05);
            margin: 0 -4px;
        }

        .media-strip::-webkit-scrollbar {
            height: 6px;
        }

        .media-strip::-webkit-scrollbar-thumb {
            background: var(--primary-dark);
            border-radius: 20px;
        }

        .media-strip::-webkit-scrollbar-track {
            background: rgba(255,255,255,0.05);
        }

        .media-card {
            min-width: 300px;
            max-width: 300px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all 0.3s;
            flex-shrink: 0;
        }

        .media-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.35);
        }

        .media-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(0, 212, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .media-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .media-card p {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.5;
        }

        .media-card small {
            font-size: 11px;
            color: var(--text-muted);
            display: block;
            margin-top: 10px;
        }

        /* 按钮通用 */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(0, 212, 255, 0.4);
            color: var(--primary-light);
            padding: 10px 26px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-outline:hover {
            background: rgba(0, 212, 255, 0.1);
            border-color: var(--primary);
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.15);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-section h1 { font-size: 36px; }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .highlight-grid { grid-template-columns: 1fr; }
            .news-layout { grid-template-columns: 1fr 320px; }
            .about-grid { grid-template-columns: 1fr; }
            .app-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta .btn-header {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero-section {
                padding: 70px 0 60px;
            }
            .hero-section .container-main {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .section-block {
                padding: 56px 0;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .app-grid {
                grid-template-columns: 1fr;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-content h2 {
                font-size: 28px;
            }
            .media-card {
                min-width: 260px;
                max-width: 260px;
            }
            .mega-panel {
                position: static;
                min-width: 0;
                transform: none;
                visibility: visible;
                opacity: 1;
                grid-template-columns: 1fr;
                box-shadow: none;
                margin-top: 8px;
                background: rgba(5,13,24,0.7);
                border: none;
                padding: 12px;
            }
            .mega-card {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-container {
                height: 60px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .hero-section h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
                align-items: flex-start;
            }
            .hero-stat-item {
                text-align: left;
            }
            .hero-stat-item strong {
                font-size: 26px;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 24px;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .app-image-wrap img {
                height: 240px;
            }
            .btn-hero {
                font-size: 14px;
                padding: 12px 20px;
            }
            .glass-card {
                padding: 18px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 14px;
            }
            .faq-answer {
                padding: 0 14px 16px;
            }
        }

:root {
  --primary: #00d4ff;
  --primary-dark: #0099cc;
  --primary-light: #7ae9ff;
  --deep-blue: #0b1a2e;
  --navy: #0d2137;
  --night: #081524;
  --bg-deep: #050d18;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.1);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.35);
  --text-light: #eaf6ff;
  --text-soft: #a6c1d9;
  --text-muted: #64809c;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height: 1.7;
  background-color: var(--bg-deep);
  color: var(--text-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
.container-main { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* Header */
.header-main {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5,13,24,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; letter-spacing: 0.5px; color: var(--text-light); transition: opacity 0.2s; }
.nav-logo:hover { opacity: 0.85; }
.nav-logo .logo-badge { background: linear-gradient(135deg,var(--primary),var(--primary-dark)); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 26px; }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; }
.nav-links > li { position: relative; }
.nav-links a.nav-item { font-size: 15px; font-weight: 500; color: var(--text-soft); padding: 8px 4px; display: flex; align-items: center; gap: 6px; border-bottom: 2px solid transparent; }
.nav-links a.nav-item:hover, .nav-links a.nav-item.active { color: var(--primary-light); border-bottom-color: var(--primary); }
.nav-links a.nav-item i { font-size: 12px; transition: transform 0.3s; }
.nav-links li:hover > a.nav-item i { transform: rotate(180deg); }
.mega-panel {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(12px);
  min-width: 560px; background: rgba(13,33,55,0.96); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md);
  padding: 24px; box-shadow: var(--glass-shadow); opacity: 0; visibility: hidden;
  transition: all 0.3s ease; z-index: 200; display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.nav-links li:hover .mega-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.mega-title { font-size: 13px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.mega-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.mega-list a { font-size: 14px; color: var(--text-soft); display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; transition: background 0.2s, color 0.2s; }
.mega-list a:hover { background: rgba(0,212,255,0.08); color: var(--primary-light); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.btn-header {
  background: linear-gradient(135deg,var(--primary),var(--primary-dark));
  color: #03141f; font-weight: 700; font-size: 14px; padding: 9px 22px; border-radius: 50px;
  box-shadow: 0 0 18px rgba(0,212,255,0.3); transition: all 0.3s;
}
.btn-header:hover { transform: translateY(-2px); box-shadow: 0 0 28px rgba(0,212,255,0.55); color: #03141f; }
.menu-toggle { display: none; background: none; color: var(--text-light); font-size: 26px; cursor: pointer; padding: 4px; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg,var(--primary),var(--primary-dark));
  color: #03141f; font-weight: 700; padding: 14px 32px; border-radius: 50px;
  font-size: 16px; box-shadow: 0 0 24px rgba(0,212,255,0.35); transition: all 0.3s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(0,212,255,0.6); color: #03141f; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.06); color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 13px 30px; border-radius: 50px; font-weight: 600; font-size: 16px;
  backdrop-filter: blur(8px); transition: all 0.3s ease;
}
.btn-ghost:hover { background: rgba(0,212,255,0.1); border-color: var(--primary); color: var(--primary-light); transform: translateY(-2px); }

/* Sections */
.section-pad { padding: 96px 0; }
.section-eyebrow { font-size: 13px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; }
.section-title { font-size: 34px; font-weight: 800; color: var(--text-light); line-height: 1.3; }
.section-sub { font-size: 16px; color: var(--text-soft); margin-top: 12px; }
.section-head { max-width: 720px; margin-bottom: 48px; }

/* Glass card */
.glass-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}
.glass-card:hover { background: rgba(255,255,255,0.09); border-color: rgba(0,212,255,0.25); transform: translateY(-4px); box-shadow: var(--glass-shadow); }
.icon-circle {
  width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,rgba(0,212,255,0.2),rgba(0,153,204,0.08));
  border: 1px solid rgba(0,212,255,0.2); font-size: 24px; color: var(--primary); margin-bottom: 20px;
}

/* Image card */
.img-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  transition: all 0.3s ease; height: 100%;
}
.img-card:hover { transform: translateY(-6px); border-color: rgba(0,212,255,0.3); box-shadow: var(--glass-shadow); }
.img-card img { width: 100%; height: 190px; object-fit: cover; transition: transform 0.5s ease; }
.img-card:hover img { transform: scale(1.04); }
.img-card-body { padding: 24px; }

/* Tags */
.tag-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; padding: 4px 12px; border-radius: 50px;
  background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.15);
  color: var(--primary-light);
}
.link-more { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.2s; }
.link-more:hover { gap: 10px; color: var(--primary-light); }

/* Scenario */
.scenario-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 28px; transition: all 0.3s ease; height: 100%;
}
.scenario-card:hover { transform: translateY(-4px); border-color: rgba(0,212,255,0.3); }
.scenario-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg,rgba(0,212,255,0.2),rgba(0,153,204,0.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--primary); margin-bottom: 16px;
}

/* Stats */
.stat-num {
  font-size: 40px; font-weight: 800;
  background: linear-gradient(135deg,var(--primary),var(--primary-light));
  -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.2;
}
.stat-label { color: var(--text-muted); font-size: 14px; margin-top: 6px; }

/* Testimonial */
.testimonial-item {
  display: flex; gap: 16px; padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.testimonial-item:last-child { border-bottom: none; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg,var(--primary),var(--primary-dark));
  color: #03141f; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.testimonial-text { color: var(--text-soft); font-size: 14px; line-height: 1.7; }
.testimonial-name { color: var(--text-light); font-size: 13px; font-weight: 600; margin-top: 8px; }

/* Price */
.price-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 36px 32px; position: relative;
  transition: all 0.3s ease; height: 100%;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow); border-color: rgba(0,212,255,0.3); }
.price-card.popular { background: linear-gradient(135deg,rgba(0,212,255,0.12),rgba(0,153,204,0.04)); border-color: var(--primary); }
.popular-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg,var(--primary),var(--primary-dark));
  color: #03141f; font-size: 12px; font-weight: 700; padding: 3px 14px; border-radius: 50px;
}

/* FAQ */
.faq-item {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); margin-bottom: 16px; overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(0,212,255,0.2); }
.faq-item summary {
  padding: 20px 24px; cursor: pointer; font-weight: 600; font-size: 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 22px; color: var(--primary); font-weight: 400; transition: transform 0.3s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 24px 20px; color: var(--text-soft); font-size: 15px; }

/* New merchant bar */
.new-merchant-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: linear-gradient(135deg,rgba(0,212,255,0.08),rgba(0,153,204,0.02));
  border: 1px solid rgba(0,212,255,0.15); border-radius: var(--radius-md);
  padding: 16px 24px; margin-top: 40px;
}
.new-merchant-bar i { color: var(--primary); }
.new-merchant-bar span { color: var(--text-soft); font-size: 14px; }

/* CTA */
.cta-wrap {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg,rgba(0,212,255,0.1),rgba(0,153,204,0.03));
  border: 1px solid rgba(0,212,255,0.2); border-radius: 24px;
  padding: 64px 48px; text-align: center;
}
.cta-wrap::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle,rgba(0,212,255,0.15) 0%,transparent 60%); pointer-events: none;
}
.coupon-box {
  max-width: 420px; margin: 32px auto; padding: 24px;
  background: rgba(5,13,24,0.6); border: 1px dashed rgba(0,212,255,0.4);
  border-radius: var(--radius-md);
}
.coupon-box span { font-size: 13px; color: var(--text-muted); display: block; }
.coupon-box strong { font-size: 26px; color: var(--primary-light); display: block; margin: 6px 0; }
.coupon-box p { font-size: 12px; color: var(--text-muted); margin: 0; }

/* Footer */
.footer-main { position: relative; background: #040b13; border-top: 1px solid rgba(255,255,255,0.06); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand p { margin-top: 16px; color: var(--text-muted); font-size: 14px; max-width: 320px; }
.footer-title { font-size: 16px; font-weight: 700; color: var(--text-light); margin-bottom: 16px; }
.footer-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-list a { color: var(--text-soft); font-size: 14px; transition: color 0.2s; }
.footer-list a:hover { color: var(--primary-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; text-align: center; color: var(--text-muted); font-size: 13px; }

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed; top: 72px; left: 0; right: 0;
  background: rgba(8,21,36,0.98); border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px; z-index: 99; transform: translateY(-110%); transition: transform 0.3s ease;
}
.mobile-nav.open { transform: translateY(0); }
.mobile-nav a { display: block; padding: 12px 0; color: var(--text-soft); font-size: 16px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.mobile-nav a.active { color: var(--primary-light); }
.mobile-nav a:last-child { border-bottom: none; }

/* Hero category */
.hero-category { position: relative; min-height: 82vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,rgba(5,13,24,0.95) 0%,rgba(5,13,24,0.75) 50%,rgba(0,153,204,0.25) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 120px 0 140px; max-width: 760px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,212,255,0.15); border: 1px solid rgba(0,212,255,0.3);
  color: var(--primary-light); font-size: 14px; font-weight: 600;
  padding: 6px 16px; border-radius: 50px; margin-bottom: 20px;
}
.hero-category h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.hero-desc { font-size: 18px; color: var(--text-soft); margin-bottom: 28px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.countdown-bar {
  display: inline-flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: rgba(5,13,24,0.6); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 14px 24px; backdrop-filter: blur(10px);
}
.cd-label { color: var(--text-soft); font-size: 14px; }
.cd-box { display: flex; gap: 6px; align-items: center; }
.cd-num {
  background: rgba(0,212,255,0.15); border: 1px solid rgba(0,212,255,0.2);
  border-radius: 8px; padding: 4px 10px; font-size: 18px; font-weight: 700;
  color: var(--primary-light); font-family: monospace;
}
.cd-sep { color: var(--text-muted); }

/* District tags */
.district-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.district-row .tag-pill { font-size: 13px; padding: 6px 14px; }

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
  .section-title { font-size: 30px; }
  .hero-category h1 { font-size: 40px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .nav-cta { margin-left: auto; }
  .mega-panel { display: none; }
  .section-pad { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-category { min-height: auto; }
  .hero-content { padding: 90px 0 80px; }
  .hero-category h1 { font-size: 32px; }
  .cta-wrap { padding: 40px 24px; }
  .section-title { font-size: 26px; }
  .countdown-bar { flex-wrap: wrap; width: 100%; }
  .mobile-nav { display: block; }
}
@media (max-width: 520px) {
  .container-main { padding-left: 16px; padding-right: 16px; }
  .hero-buttons .btn-primary, .hero-buttons .btn-ghost { width: 100%; justify-content: center; }
  .section-title { font-size: 24px; }
  .hero-category h1 { font-size: 28px; }
}