:root {
            --primary: #6D28D9;
            --primary-dark: #4C1D95;
            --primary-light: #8B5CF6;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg-dark: #0D0A1A;
            --bg-light: #F5F3FF;
            --text-dark: #1E1040;
            --text-medium: #4C3A78;
            --text-light: #8B7AB8;
            --white: #ffffff;
            --card-bg: #FAF8FF;
            --border-light: rgba(109, 40, 217, 0.08);
            --shadow-sm: 0 2px 12px rgba(109, 40, 217, 0.04);
            --shadow-md: 0 8px 28px rgba(109, 40, 217, 0.08);
            --shadow-lg: 0 16px 48px rgba(109, 40, 217, 0.12);
            --gradient-hero: linear-gradient(135deg, #0D0A1A 0%, #1E1040 40%, #2D1B69 70%, #4C1D95 100%);
            --gradient-cta: linear-gradient(135deg, #6D28D9 0%, #4C1D95 100%);
            --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 40px;
        }

        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.65;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

        /* ========== NAVBAR (与首页一致) ========== */
        .navbar {
            background: rgba(13, 10, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(139, 92, 246, 0.12);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 10px 0;
        }
        .nav-inner {
            display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
        }
        .logo-area {
            display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.5rem; color: #fff; text-decoration: none; letter-spacing: -0.5px;
        }
        .logo-area img { height: 42px; width: auto; display: block; filter: drop-shadow(0 0 8px rgba(139,92,246,0.5)); }
        .logo-area span { color: var(--accent); }
        .logo-area .logo-tag { font-size:0.6rem; background:var(--accent); color:#0D0A1A; padding:2px 10px; border-radius:20px; font-weight:700; letter-spacing:1px; margin-left:4px; }
        .nav-links { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
        .nav-links a {
            text-decoration: none; font-weight: 500; color: rgba(255,255,255,0.75); font-size: 0.88rem; transition: 0.25s; position: relative; letter-spacing: 0.3px;
        }
        .nav-links a::after { content:''; position:absolute; bottom:-3px; left:0; width:0; height:2px; background:var(--accent); transition:width 0.3s; border-radius:2px; }
        .nav-links a:hover::after { width:100%; }
        .nav-links a:hover { color: var(--accent); }
        .nav-links a.active { color: var(--accent); }
        .nav-links a.active::after { width:100%; }
        .btn-nav {
            background: var(--gradient-accent) !important; color:#0D0A1A !important; padding:8px 22px; border-radius:40px; font-weight:700; font-size:0.82rem; box-shadow:0 4px 20px rgba(245,158,11,0.35); transition:all 0.3s; letter-spacing:0.5px;
        }
        .btn-nav::after { display:none !important; }
        .btn-nav:hover { transform: translateY(-2px); box-shadow:0 8px 32px rgba(245,158,11,0.5); color:#0D0A1A !important; }

        /* ========== HERO ========== */
        .hero-price {
            padding: 70px 0 60px;
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
        }
        .hero-price::before {
            content:''; position:absolute; top:-30%; right:-15%; width:500px; height:500px; background: radial-gradient(circle, rgba(139,92,246,0.2), transparent 70%); border-radius:50%;
        }
        .hero-price::after {
            content:''; position:absolute; bottom:-20%; left:-10%; width:400px; height:400px; background: radial-gradient(circle, rgba(245,158,11,0.08), transparent 70%); border-radius:50%;
        }
        .hero-price-grid {
            display: flex; align-items: center; gap: 50px; flex-wrap: wrap; position: relative; z-index:1;
        }
        .hero-price-left { flex:1.2; min-width:320px; }
        .hero-price-right { flex:1; min-width:300px; display:flex; justify-content:center; }
        .hero-price-badge {
            display:inline-block; background:rgba(245,158,11,0.12); border:1px solid rgba(245,158,11,0.25); border-radius:40px; padding:6px 22px; font-size:0.8rem; font-weight:700; color:var(--accent); margin-bottom:14px; letter-spacing:1px;
        }
        .hero-price-badge .dot { width:8px; height:8px; background:#22c55e; border-radius:50%; display:inline-block; margin-right:6px; animation: pulse-dot 1.5s infinite; }
        @keyframes pulse-dot { 0%,100%{opacity:1; transform:scale(1);} 50%{opacity:0.5; transform:scale(1.3);} }
        .hero-price h1 { font-size: 2.8rem; font-weight:800; line-height:1.12; color:#fff; margin-bottom:14px; letter-spacing:-1px; }
        .hero-price h1 .highlight { background: var(--gradient-accent); -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent; }
        .hero-price-desc { font-size:1.02rem; color:rgba(255,255,255,0.7); max-width:560px; margin-bottom:20px; line-height:1.8; }
        .hero-price-desc strong { color:#fff; }
        .hero-price-desc .highlight-text { color: var(--accent); font-weight:700; }
        .btn-primary {
            background: var(--gradient-accent); color:#0D0A1A; border:none; padding:14px 36px; border-radius:60px; font-weight:700; font-size:1rem; display:inline-flex; align-items:center; gap:10px; box-shadow:0 4px 24px rgba(245,158,11,0.4); transition:all 0.3s; cursor:pointer; text-decoration:none; letter-spacing:0.5px;
        }
        .btn-primary:hover { transform:translateY(-3px); box-shadow:0 12px 40px rgba(245,158,11,0.55); background: linear-gradient(135deg,#FBBF24,#F59E0B); }
        .hero-price-image { background:rgba(255,255,255,0.04); border:1px solid rgba(139,92,246,0.2); border-radius:24px; padding:10px; box-shadow:0 8px 40px rgba(0,0,0,0.3); transition:0.4s; display:inline-flex; align-items:center; justify-content:center; max-width:100%; animation: heroFloat 4s ease-in-out infinite; backdrop-filter: blur(4px); }
        .hero-price-image img { width:100%; max-width:600px; height:auto; border-radius:16px; object-fit:contain; display:block; }
        @keyframes heroFloat { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-12px);} }

        /* ========== SECTION HEADERS ========== */
        .section-header { text-align:center; margin-bottom:36px; }
        .section-badge { display:inline-block; background:rgba(109,40,217,0.06); border:1px solid rgba(109,40,217,0.1); border-radius:40px; padding:4px 20px; font-size:0.78rem; font-weight:700; color:var(--primary); margin-bottom:8px; letter-spacing:1px; }
        .section-title { font-size:2rem; font-weight:800; color:var(--text-dark); letter-spacing:-0.5px; }
        .section-title i { color:var(--primary); margin-right:8px; }
        .section-title .gold { color:var(--accent-dark); }
        .section-sub { color:var(--text-medium); font-size:1rem; margin-top:4px; }

        /* ========== PLAN CYCLE (创意版块1：周月季年选择器) ========== */
        .cycle-section { padding: 60px 0 70px; background: var(--white); }
        .cycle-tabs { display:flex; justify-content:center; gap:12px; flex-wrap:wrap; margin-bottom:32px; }
        .cycle-tab {
            background: var(--card-bg); border:1px solid var(--border-light); border-radius:40px; padding:10px 28px; font-weight:700; font-size:0.95rem; cursor:pointer; transition:0.3s; color:var(--text-medium);
        }
        .cycle-tab.active { background: var(--gradient-cta); color:#fff; border-color:var(--primary); box-shadow:0 4px 16px rgba(109,40,217,0.2); }
        .cycle-tab .cycle-save { font-size:0.7rem; background:var(--accent); color:#0D0A1A; border-radius:30px; padding:2px 10px; margin-left:8px; font-weight:800; }
        .cycle-tab:hover { border-color: var(--primary); color: var(--primary); }

        /* ========== PRICING (核心套餐卡片) ========== */
        .pricing-section { padding: 70px 0 80px; background: var(--bg-light); }
        .pricing-grid { display:flex; flex-wrap:wrap; gap:26px; justify-content:center; }
        .pricing-card {
            background: var(--card-bg); border-radius: var(--radius-lg); padding:34px 28px 30px; flex:1; min-width:260px; max-width:320px; border:1px solid var(--border-light); transition:0.4s; text-align:center; box-shadow:var(--shadow-sm); position:relative;
        }
        .pricing-card:hover { transform: translateY(-6px); border-color: rgba(109,40,217,0.15); box-shadow: var(--shadow-lg); }
        .pricing-card.featured { border:2px solid var(--primary); background: linear-gradient(145deg,#FAF8FF,#F0EBFF); }
        .pricing-card.featured::before { content:"最受欢迎"; position:absolute; top:-13px; right:20px; background:var(--gradient-accent); color:#0D0A1A; padding:3px 18px; border-radius:30px; font-size:0.68rem; font-weight:800; letter-spacing:1px; }
        .pricing-icon { font-size:2.6rem; color:var(--primary); margin-bottom:14px; }
        .pricing-name { font-size:1.4rem; font-weight:800; margin-bottom:6px; color:var(--text-dark); }
        .pricing-desc { color:var(--text-medium); font-size:0.9rem; margin-bottom:14px; }
        .pricing-price { font-size:2.2rem; font-weight:900; color:var(--primary); margin-bottom:14px; letter-spacing:-1px; }
        .price-unit { font-size:0.85rem; font-weight:500; color:var(--text-light); }
        .price-old { font-size:0.82rem; color:#B8A8D8; text-decoration:line-through; margin-left:8px; }
        .pricing-features { list-style:none; margin:14px 0 18px; text-align:left; padding-left:4px; }
        .pricing-features li { padding:7px 0; color:var(--text-medium); font-size:0.88rem; display:flex; align-items:center; gap:10px; line-height:1.4; }
        .pricing-features li i { color:var(--primary); width:22px; flex-shrink:0; text-align:center; }
        .pricing-btn {
            background: var(--gradient-cta); color:#fff; display:inline-flex; align-items:center; justify-content:center; gap:8px; width:100%; padding:13px; border-radius:40px; font-weight:700; font-size:0.9rem; text-decoration:none; transition:0.3s; border:none; cursor:pointer; letter-spacing:0.5px;
        }
        .pricing-btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow:0 8px 28px rgba(109,40,217,0.3); }

        /* ========== GLOBAL NODES (创意版块2：节点地图展示) ========== */
        .nodes-section { padding: 70px 0 80px; background: var(--bg-dark); position:relative; }
        .nodes-section .section-title { color:#fff; }
        .nodes-section .section-sub { color: rgba(255,255,255,0.5); }
        .nodes-section .section-badge { background:rgba(245,158,11,0.08); border-color:rgba(245,158,11,0.2); color:var(--accent); }
        .nodes-grid { display:grid; grid-template-columns: repeat(6, 1fr); gap:16px; margin-bottom:30px; }
        .node-card {
            background: rgba(255,255,255,0.04); border:1px solid rgba(139,92,246,0.12); border-radius:16px; padding:16px 10px; text-align:center; transition:0.3s;
        }
        .node-card:hover { transform: translateY(-4px); border-color:rgba(245,158,11,0.3); background:rgba(245,158,11,0.05); }
        .node-flag { font-size:1.8rem; display:block; margin-bottom:6px; }
        .node-country { color:#fff; font-weight:700; font-size:0.85rem; }
        .node-ping { color:rgba(255,255,255,0.5); font-size:0.7rem; display:flex; align-items:center; justify-content:center; gap:4px; }
        .node-ping .ping-dot { width:6px; height:6px; border-radius:50%; background:#22c55e; display:inline-block; }
        .node-ping .ping-dot.medium { background:#f59e0b; }
        .node-ping .ping-dot.high { background:#ef4444; }
        .nodes-more { text-align:center; color:rgba(255,255,255,0.6); font-size:0.9rem; margin-top:12px; }
        .nodes-more i { color: var(--accent); }

        /* ========== SMART ROUTING (创意版块3：智能选线) ========== */
        .smart-section { padding: 70px 0 80px; background: var(--white); }
        .smart-grid { display:flex; align-items:center; gap:50px; flex-wrap:wrap; }
        .smart-left { flex:1.3; min-width:300px; }
        .smart-left h2 { font-size:2rem; font-weight:800; color:var(--text-dark); margin-bottom:14px; }
        .smart-left h2 i { color:var(--primary); margin-right:8px; }
        .smart-left p { color:var(--text-medium); font-size:0.98rem; line-height:1.85; margin-bottom:12px; }
        .smart-left p strong { color:var(--text-dark); }
        .smart-left .smart-points { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
        .smart-left .smart-points span { background:var(--bg-light); border:1px solid var(--border-light); border-radius:30px; padding:5px 16px; font-size:0.78rem; color:var(--primary); font-weight:600; }
        .smart-right { flex:1; min-width:280px; display:flex; justify-content:center; }
        .smart-right .smart-visual {
            background: var(--card-bg); border-radius: var(--radius-md); padding:20px; border:1px solid var(--border-light); width:100%; max-width:400px; text-align:center;
        }
        .smart-right .smart-visual .route-line {
            display:flex; align-items:center; justify-content:center; gap:10px; margin:16px 0;
        }
        .smart-right .smart-visual .route-dot {
            width:14px; height:14px; border-radius:50%; background:var(--primary); display:inline-block;
        }
        .smart-right .smart-visual .route-line .arrow {
            flex:1; height:2px; background:linear-gradient(90deg, var(--primary), var(--accent)); position:relative;
        }
        .smart-right .smart-visual .route-line .arrow::after {
            content:'→'; position:absolute; right:-8px; top:-12px; color:var(--accent); font-size:1.2rem;
        }
        .smart-right .smart-visual .label { color:var(--text-medium); font-size:0.8rem; }

        /* ========== UNLIMITED & MULTI-DEVICE (创意版块4) ========== */
        .unlimited-section { padding: 70px 0 80px; background: var(--bg-light); }
        .unlimited-cards { display:grid; grid-template-columns: repeat(3, 1fr); gap:26px; }
        .unlimited-card {
            background: var(--white); border-radius: var(--radius-md); padding:30px 24px 26px; text-align:center; border:1px solid var(--border-light); transition:0.3s; box-shadow:var(--shadow-sm);
        }
        .unlimited-card:hover { transform: translateY(-4px); border-color:rgba(109,40,217,0.15); box-shadow:var(--shadow-md); }
        .unlimited-card .icon { font-size:2.8rem; color:var(--primary); margin-bottom:14px; }
        .unlimited-card h3 { font-size:1.3rem; font-weight:800; color:var(--text-dark); }
        .unlimited-card p { color:var(--text-medium); font-size:0.92rem; line-height:1.7; margin-top:8px; }

        /* ========== DISCOUNT COMPARISON (创意版块5：时长优惠对比) ========== */
        .discount-section { padding: 70px 0 80px; background: var(--white); }
        .discount-table { max-width:700px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
        .discount-row {
            display:flex; align-items:center; justify-content:space-between; padding:16px 24px; background:var(--card-bg); border-radius:14px; border:1px solid var(--border-light); transition:0.3s;
        }
        .discount-row:hover { border-color: rgba(109,40,217,0.15); box-shadow: var(--shadow-sm); }
        .discount-row .cycle-name { font-weight:800; color:var(--text-dark); font-size:1.1rem; display:flex; align-items:center; gap:8px; }
        .discount-row .cycle-name i { color:var(--primary); }
        .discount-row .price { font-weight:900; color:var(--primary); font-size:1.3rem; }
        .discount-row .price .per { font-size:0.8rem; color:var(--text-light); font-weight:500; }
        .discount-row .save { background:rgba(245,158,11,0.1); color:var(--accent-dark); padding:2px 12px; border-radius:30px; font-size:0.75rem; font-weight:700; }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.65); padding: 50px 0 28px; border-top: 3px solid var(--primary);
        }
        .footer a { color: rgba(255,255,255,0.55); text-decoration: none; transition:0.2s; }
        .footer a:hover { color: var(--accent); }
        .footer .footer-grid { display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap:34px; margin-bottom:28px; }
        .footer .brand-col .logo { font-size:1.7rem; font-weight:800; color:#fff; display:flex; align-items:center; gap:8px; margin-bottom:10px; }
        .footer .brand-col .logo i { color: var(--accent); }
        .footer .brand-col .logo span { color: var(--accent); }
        .footer .brand-col p { font-size:0.88rem; line-height:1.7; max-width:340px; }
        .footer .brand-col p strong { color:rgba(255,255,255,0.85); }
        .footer .col h4 { color:#fff; font-size:0.95rem; font-weight:700; margin-bottom:12px; }
        .footer .col ul { list-style:none; }
        .footer .col ul li { margin-bottom:7px; }
        .footer .col ul li a { font-size:0.88rem; color:rgba(255,255,255,0.55); transition:0.2s; }
        .footer .col ul li a:hover { color: var(--accent); }
        .footer .footer-bottom { border-top:1px solid rgba(255,255,255,0.06); padding-top:16px; display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:10px; font-size:0.78rem; }
        .footer .footer-bottom .icp { color:rgba(255,255,255,0.35); text-align:center; }
        .footer .footer-bottom .icp a { color:rgba(255,255,255,0.35); text-decoration:none; }
        .footer .footer-bottom .icp a:hover { color:var(--accent); }
        .footer .footer-bottom .icp .sep { margin:0 8px; color:rgba(255,255,255,0.12); }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container { padding:0 24px; }
            .hero-price h1 { font-size:2.3rem; }
            .nodes-grid { grid-template-columns: repeat(3, 1fr); }
            .unlimited-cards { grid-template-columns: 1fr 1fr; }
            .footer .footer-grid { grid-template-columns:1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { padding:0 18px; }
            .nav-inner { flex-direction:column; align-items:center; }
            .nav-links { justify-content:center; gap:10px; }
            .hero-price-grid { flex-direction:column; text-align:center; }
            .hero-price-left { min-width:unset; }
            .hero-price-right { min-width:unset; }
            .hero-price-desc { margin:0 auto; }
            .cycle-tabs { gap:8px; }
            .cycle-tab { padding:8px 16px; font-size:0.85rem; }
            .pricing-grid { flex-direction:column; align-items:center; }
            .pricing-card { max-width:100%; width:100%; }
            .nodes-grid { grid-template-columns: repeat(2, 1fr); }
            .smart-grid { flex-direction:column; text-align:center; }
            .smart-left .smart-points { justify-content:center; }
            .unlimited-cards { grid-template-columns:1fr; }
            .discount-row { flex-wrap:wrap; gap:8px; justify-content:center; text-align:center; }
            .footer .footer-grid { grid-template-columns:1fr 1fr; gap:26px; }
        }
        @media (max-width: 480px) {
            .container { padding:0 12px; }
            .hero-price h1 { font-size:1.8rem; }
            .nodes-grid { grid-template-columns:1fr; }
            .footer .footer-grid { grid-template-columns:1fr; text-align:center; }
            .footer .brand-col p { max-width:100%; }
        }