        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: #f5faff;
            color: #0a2540;
            line-height: 1.6;
            scroll-behavior: smooth;
        }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }

        /* ===== navbar（无品牌标识文字） ===== */
        .navbar {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,80,200,0.06);
            position: sticky; top:0; z-index:100;
            padding: 14px 0;
        }
        .nav-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 12px;
        }
        .logo-area {
            display: flex; align-items: center;
            text-decoration: none;
        }
        .logo-area img { height: 40px; width: auto; display: block; }
        .nav-links {
            display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none; font-weight: 500; color: #1d3b5a;
            font-size: 0.92rem; transition: 0.2s; position: relative;
        }
        .nav-links a::after {
            content:''; position:absolute; bottom:-2px; left:0; width:0;
            height:2px; background: #0066ff; transition: width 0.3s;
        }
        .nav-links a:hover::after { width:100%; }
        .nav-links a:hover { color:#0066ff; }
        .nav-links a.active { color:#0066ff; }
        .nav-links a.active::after { width:100%; }
        .btn-nav {
            background: #0066ff; color:#fff !important;
            padding: 8px 24px; border-radius: 40px;
            font-weight:600; font-size:0.85rem;
            box-shadow: 0 4px 16px rgba(0,102,255,0.18);
            transition: all 0.3s;
        }
        .btn-nav::after { display:none !important; }
        .btn-nav:hover { background: #0052cc; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,102,255,0.25); }

        .section-badge {
            display: inline-block; background: rgba(0,102,255,0.04);
            border: 1px solid rgba(0,102,255,0.06); border-radius: 40px;
            padding: 3px 18px; font-size: 0.75rem; font-weight: 600;
            color: #0066ff; margin-bottom: 4px;
        }
        .section-title {
            font-size: 1.8rem; font-weight: 700; color: #0a2540;
        }
        .section-title i { color: #0066ff; margin-right: 8px; }
        .section-sub { color: #2f5478; font-size: 0.95rem; }

        /* ===== 价格英雄区 ===== */
        .price-hero {
            padding: 70px 0 60px;
            background: linear-gradient(135deg, #ffffff 0%, #e6f0ff 100%);
        }
        .price-hero .hero-content {
            max-width: 820px; margin: 0 auto; text-align: center;
        }
        .price-hero .hero-badge {
            display: inline-block; background: rgba(0,102,255,0.06);
            border: 1px solid rgba(0,102,255,0.08); border-radius: 40px;
            padding: 6px 22px; font-size: 0.85rem; font-weight: 600;
            color: #0066ff; margin-bottom: 14px;
        }
        .price-hero h1 {
            font-size: 3.2rem; font-weight: 800; color: #0a2540;
            line-height: 1.08; margin-bottom: 12px;
        }
        .price-hero h1 .highlight { color: #0066ff; }
        .price-hero .hero-desc {
            font-size: 1.08rem; color: #2f5478; max-width: 720px;
            margin: 0 auto 20px; line-height: 1.9;
        }
        .price-hero .hero-desc strong { color: #0a2540; }
        .price-hero .hero-actions {
            display: flex; flex-wrap: wrap; gap: 14px;
            justify-content: center; margin-bottom: 18px;
        }
        .btn-primary {
            background: #0066ff; color: #fff; border: none;
            padding: 14px 38px; border-radius: 60px; font-weight: 600;
            font-size: 1rem; display: inline-flex; align-items: center; gap: 10px;
            box-shadow: 0 4px 16px rgba(0,102,255,0.2);
            transition: all 0.3s; cursor: pointer; text-decoration: none;
        }
        .btn-primary:hover { transform: translateY(-3px); background: #0052cc; box-shadow: 0 8px 28px rgba(0,102,255,0.3); }
        .btn-outline {
            background: transparent; border: 1.5px solid rgba(0,102,255,0.15);
            color: #1d3b5a; padding: 14px 28px; border-radius: 60px;
            font-weight: 600; font-size: 1rem; display: inline-flex;
            align-items: center; gap: 10px; transition: 0.3s; text-decoration: none;
        }
        .btn-outline:hover { border-color: #0066ff; color: #0066ff; background: rgba(0,102,255,0.02); }
        .price-hero .hero-tags {
            display: flex; flex-wrap: wrap; gap: 14px;
            justify-content: center; margin-top: 4px;
        }
        .price-hero .hero-tags span {
            display: inline-flex; align-items: center; gap: 8px;
            background: #ffffff; padding: 6px 20px; border-radius: 30px;
            font-size: 0.9rem; font-weight: 500; color: #1d3b5a;
            border: 1px solid rgba(0,102,255,0.06);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
        }
        .price-hero .hero-tags i { color: #22c55e; }

        /* ===== 套餐卡片（按钮对齐） ===== */
        .pricing-section { padding: 60px 0 70px; background: #ffffff; }
        .pricing-grid {
            display: flex; flex-wrap: wrap; gap: 30px;
            justify-content: center;
        }
        .pricing-card {
            background: #f7faff; border-radius: 28px; padding: 38px 32px 34px;
            flex: 1; min-width: 280px; max-width: 380px;
            border: 1px solid rgba(0,102,255,0.04);
            transition: 0.4s; text-align: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.02);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            transform: translateY(-8px); border-color: rgba(0,102,255,0.10);
            box-shadow: 0 24px 48px -12px rgba(0,102,255,0.08);
        }
        .pricing-card.featured {
            border: 2px solid #0066ff;
            background: linear-gradient(145deg, #ffffff, #f0f7ff);
        }
        .pricing-card.featured::before {
            content: "🔥 最受欢迎"; position: absolute; top: -12px; right: 20px;
            background: #0066ff; color: #fff; padding: 3px 18px;
            border-radius: 30px; font-size: 0.65rem; font-weight: 600;
        }
        .pricing-card .icon { font-size: 2.8rem; color: #0066ff; margin-bottom: 14px; display: block; }
        .pricing-card .name { font-size: 1.5rem; font-weight: 700; color: #0a2540; margin-bottom: 4px; }
        .pricing-card .sub-desc { color: #2f5478; font-size: 0.9rem; margin-bottom: 12px; }
        .pricing-card .price {
            font-size: 2.6rem; font-weight: 800; color: #0066ff; margin-bottom: 4px;
        }
        .pricing-card .price .unit { font-size: 0.9rem; font-weight: 400; color: #5a7fa0; }
        .pricing-card .price .old { font-size: 0.9rem; color: #94a3b8; text-decoration: line-through; margin-left: 8px; font-weight: 400; }
        .pricing-card .saving { font-size: 0.75rem; color: #22c55e; font-weight: 600; margin-bottom: 12px; }
        .pricing-card .features {
            list-style: none; margin: 16px 0; text-align: left; padding-left: 4px;
            flex: 1;
        }
        .pricing-card .features li {
            padding: 7px 0; color: #2f5478; font-size: 0.88rem;
            display: flex; align-items: center; gap: 10px; line-height: 1.4;
        }
        .pricing-card .features li i { color: #0066ff; width: 22px; flex-shrink: 0; text-align: center; }
        .pricing-card .features li .na { color: #94a3b8; }
        .pricing-card .btn-subscribe {
            background: #0066ff; color: #fff; display: inline-flex;
            align-items: center; justify-content: center; gap: 8px;
            width: 100%; padding: 14px; border-radius: 40px;
            font-weight: 600; font-size: 0.95rem; text-decoration: none;
            transition: 0.3s; border: none; cursor: pointer;
            margin-top: auto;
        }
        .pricing-card .btn-subscribe:hover { background: #0052cc; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,102,255,0.2); }

        /* ===== 套餐对比表格 ===== */
        .compare-section { padding: 60px 0 70px; background: #f7faff; border-top: 1px solid rgba(0,102,255,0.04); }
        .compare-wrapper { overflow-x: auto; }
        .compare-table {
            width: 100%; border-collapse: collapse; background: #ffffff;
            border-radius: 20px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.02);
        }
        .compare-table th {
            background: #0a2540; color: #fff; padding: 16px 20px;
            font-size: 0.95rem; font-weight: 600; text-align: center;
        }
        .compare-table th:first-child { text-align: left; }
        .compare-table td {
            padding: 14px 20px; border-bottom: 1px solid rgba(0,102,255,0.04);
            text-align: center; font-size: 0.9rem; color: #2f5478;
        }
        .compare-table td:first-child { text-align: left; font-weight: 600; color: #0a2540; }
        .compare-table tr:hover td { background: #f7faff; }
        .compare-table .check { color: #22c55e; font-size: 1.1rem; }
        .compare-table .cross { color: #94a3b8; font-size: 1.1rem; }
        .compare-table .highlight-col { background: #f0f7ff; }
        .compare-table .highlight-col td { background: #f0f7ff; }
        .compare-table .highlight-col td:first-child { background: #f0f7ff; }

        /* ===== 价格FAQ ===== */
        .faq-section { padding: 50px 0 60px; background: #f7faff; border-top: 1px solid rgba(0,102,255,0.04); }
        .faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: #ffffff; border-radius: 16px; padding: 18px 24px;
            border: 1px solid rgba(0,102,255,0.03);
        }
        .faq-item .q { font-weight: 700; color: #0a2540; display: flex; align-items: center; gap: 10px; }
        .faq-item .q i { color: #0066ff; }
        .faq-item .a { margin-top: 4px; padding-left: 26px; color: #2f5478; font-size: 0.92rem; line-height: 1.7; }
        .faq-item .a strong { color: #0a2540; }

        /* ===== 底部 ===== */
        .footer {
            background: #0a2540; color: rgba(255,255,255,0.7);
            padding: 50px 0 30px; border-top: 3px solid #0066ff;
        }
        .footer a { color: rgba(255,255,255,0.6); text-decoration: none; transition: 0.2s; }
        .footer a:hover { color: #ffffff; }
        .footer .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px; margin-bottom: 30px;
        }
        .footer .brand-col .logo {
            font-size: 1.8rem; font-weight: 700; color: #fff;
            display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
        }
        .footer .brand-col .logo i { color: #0066ff; }
        .footer .brand-col .logo span { color: #0066ff; }
        .footer .brand-col p { font-size: 0.9rem; line-height: 1.7; max-width: 340px; }
        .footer .col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 14px; letter-spacing: 0.3px; }
        .footer .col ul { list-style: none; }
        .footer .col ul li { margin-bottom: 8px; }
        .footer .col ul li a { font-size: 0.9rem; }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 18px; display: flex; flex-wrap: wrap;
            justify-content: center; align-items: center; gap: 12px; font-size: 0.8rem;
        }
        .footer .footer-bottom .icp { color: rgba(255,255,255,0.4); text-align: center; }
        .footer .footer-bottom .icp a { color: rgba(255,255,255,0.4); }
        .footer .footer-bottom .icp a:hover { color: #fff; }
        .footer .footer-bottom .icp .sep { margin: 0 10px; color: rgba(255,255,255,0.15); }

        @media (max-width: 1024px) {
            .container { padding: 0 30px; }
            .price-hero h1 { font-size: 2.6rem; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .nav-inner { flex-direction: column; align-items: center; }
            .nav-links { justify-content: center; gap: 10px; }
            .price-hero h1 { font-size: 2.2rem; }
            .price-hero .hero-desc { font-size: 1rem; }
            .pricing-card { max-width: 100%; }
            .compare-table th, .compare-table td { padding: 10px 12px; font-size: 0.8rem; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 14px; }
            .price-hero h1 { font-size: 1.8rem; }
            .pricing-card { padding: 28px 18px; }
            .footer .footer-grid { grid-template-columns: 1fr; gap: 20px; text-align: center; }
            .footer .brand-col p { max-width: 100%; }
            .compare-table th, .compare-table td { padding: 8px 8px; font-size: 0.7rem; }
        }
    
