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

        :root {
            --primary: #4F46E5;
            --primary-dark: #4338CA;
            --secondary: #10B981;
            --bg: #F9FAFB;
            --card-bg: #FFFFFF;
            --text: #111827;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --shadow: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
        }

        /* 顶部导航 */
        .header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        /* 通知栏 */
        .notice-bar {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            padding: 1rem 1.5rem;
            text-align: center;
            animation: slideDown 0.5s ease-out;
        }

        @keyframes slideDown {
            from { transform: translateY(-100%); }
            to { transform: translateY(0); }
        }

        .notice-bar a {
            color: white;
            font-weight: 600;
            text-decoration: underline;
        }

        /* 主容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1.5rem;
        }

        /* 教程/监控区域 */
        .info-section {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }

        .info-section h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .info-card {
            padding: 1.5rem;
            background: var(--bg);
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            transition: transform 0.3s;
        }

        .info-card:hover {
            transform: translateX(4px);
        }

        .info-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--text);
        }

        .info-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
        }

        .info-card a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }

        .info-card a:hover {
            color: var(--primary-dark);
        }

        /* 服务器列表 */
        .section-header {
            margin-bottom: 1.5rem;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .server-grid {
            display: grid;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .server-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            transition: all 0.3s;
            border: 2px solid transparent;
        }

        .server-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .server-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .server-location {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .location-flag {
            font-size: 1.5rem;
        }

        .traffic-badge {
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: #D1FAE5;
            color: #065F46;
        }

        .traffic-limited {
            background: #FEF3C7;
            color: #92400E;
        }

        .server-details {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1rem 0;
            padding: 1rem;
            background: var(--bg);
            border-radius: 8px;
        }

        .detail-item {
            display: flex;
            flex-direction: column;
        }

        .detail-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            margin-bottom: 0.25rem;
        }

        .detail-value {
            font-family: 'Monaco', 'Courier New', monospace;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
        }

        .detail-value input {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 0.25rem 0.5rem;
            font-family: inherit;
            font-size: inherit;
            font-weight: inherit;
        }

        .detail-value input:focus {
            outline: none;
            border-color: var(--primary);
        }

        .server-actions {
            display: flex;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .btn {
            flex: 1;
            padding: 0.75rem;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
        }

        .btn-secondary {
            background: var(--bg);
            color: var(--text);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background: var(--border);
        }

        /* 广告位 - 原生风格 */
        .ad-section {
            background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            border: 2px dashed #F59E0B;
        }

        .ad-label {
            display: inline-block;
            background: #F59E0B;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .ad-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .ad-card {
            background: white;
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s;
        }

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

        .ad-card h4 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .ad-card .price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0.5rem 0;
        }

        .ad-card button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }

        .ad-card button:hover {
            background: var(--primary-dark);
        }

        /* 使用提示 */
        .tips-section {
            background: linear-gradient(135deg, #EDE9FE 0%, #DDD6FE 100%);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
        }

        .tips-section h3 {
            margin-bottom: 1rem;
            color: var(--primary);
            font-size: 1.3rem;
        }

        .tips-section ul {
            list-style: none;
            padding: 0;
        }

        .tips-section li {
            padding: 0.5rem 0;
            color: var(--text);
        }

        .tips-section a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .tips-section a:hover {
            text-decoration: underline;
        }

        /* 页脚 */
        .footer {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            padding: 2rem 1.5rem;
            margin-top: 3rem;
            text-align: center;
            color: var(--text-secondary);
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        /* 响应式 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .server-details {
                grid-template-columns: 1fr;
            }

            .server-actions {
                flex-direction: column;
            }

            .info-grid {
                grid-template-columns: 1fr;
            }
        }
    </style>