* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
            background: #0b0e1a;
            color: #e5e9f0;
            line-height: 1.6;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: 0.3s;
        }
        a:hover {
            color: #93c5fd;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 导航 */
        nav {
            background: rgba(11, 14, 26, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .nav-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            border-bottom-color: #3b82f6;
        }
        .nav-extra {
            display: flex;
            gap: 12px;
            font-size: 0.9rem;
        }
        /* H1 */
        h1 {
            font-size: 2.6rem;
            background: linear-gradient(135deg, #3b82f6, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-align: center;
            margin: 40px 0 20px;
            word-break: break-word;
        }
        h2 {
            font-size: 2rem;
            color: #93c5fd;
            margin-bottom: 24px;
            border-left: 4px solid #3b82f6;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.4rem;
            color: #bfdbfe;
            margin-bottom: 12px;
        }
        /* 卡片发光 */
        .glow-card {
            background: rgba(16, 22, 40, 0.7);
            border: 1px solid rgba(59, 130, 246, 0.3);
            border-radius: 20px;
            padding: 28px 24px;
            backdrop-filter: blur(4px);
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.08);
            transition: 0.3s;
        }
        .glow-card:hover {
            border-color: #3b82f6;
            box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
        }
        .glow-card img {
            max-width: 100%;
            border-radius: 12px;
            margin-bottom: 16px;
            display: block;
        }
        /* 网格 */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 20px;
        }
        section {
            margin: 60px 0;
        }
        .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, #3b82f6, #6366f1);
            color: #fff;
            padding: 14px 40px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: 0.3s;
            box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
        }
        .btn-cta:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 32px rgba(59, 130, 246, 0.5);
        }
        .center {
            text-align: center;
        }
        .mt-2 { margin-top: 20px; }
        .mb-2 { margin-bottom: 20px; }
        .text-muted { color: #9ca3af; }
        .badge {
            background: rgba(59, 130, 246, 0.2);
            border-radius: 40px;
            padding: 4px 14px;
            font-size: 0.8rem;
            color: #93c5fd;
            display: inline-block;
        }
        /* 新闻卡片 */
        .news-item {
            margin-bottom: 28px;
        }
        .news-item h3 {
            font-size: 1.2rem;
            margin-bottom: 6px;
        }
        .news-item .date {
            color: #9ca3af;
            font-size: 0.85rem;
        }
        /* faq */
        .faq-item {
            border-bottom: 1px solid rgba(59,130,246,0.15);
            padding: 20px 0;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.5rem;
            color: #3b82f6;
        }
        .faq-item[open] summary::after {
            content: "−";
        }
        .faq-item p {
            margin-top: 16px;
            color: #cbd5e1;
        }
        /* 页脚 */
        footer {
            background: #0a0d18;
            border-top: 1px solid #1e293b;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
        }
        .footer-links a {
            display: block;
            margin: 6px 0;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            margin-top: 30px;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 0.9rem;
        }
        .friend-links a {
            color: #7f8ea3;
        }
        @media (max-width: 640px) {
            h1 { font-size: 1.8rem; }
            .nav-links { gap: 12px; }
        }