:root {
            --primary-gold: #b8860b;
            --dark-gold: #8b6508;
            --primary-red: #c0392b;
            --light-red: #e74c3c;
            --text-dark: #333;
            --bg-light: #f8f9fa;
            --glass: rgba(255, 255, 255, 0.95);
        }

        * { box-sizing: border-box; }
        body, html { margin: 0; padding: 0; font-family: 'Noto Sans SC', sans-serif; background: #fff; color: var(--text-dark); }

        /* 顶部导航 */
        .header {
            background: linear-gradient(135deg, #fff, var(--bg-light));
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 100;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo { font-size: 24px; font-weight: 900; color: var(--primary-red); }
        .header-title { font-size: 18px; font-weight: 800; color: var(--primary-red); }
        .cta-btn {
            background: linear-gradient(135deg, var(--primary-red), #a93226);
            color: #fff;
            padding: 12px 25px;
            border: none;
            border-radius: 30px;
            font-weight: bold;
            cursor: pointer;
            transition: 0.3s;
            box-shadow: 0 5px 15px rgba(192, 57, 43, 0.3);
        }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(192, 57, 43, 0.4); }

        /* 主容器 */
        .container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }

        /* 标题区 */
        .hero-section {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: linear-gradient(135deg, rgba(192, 57, 43, 0.05), rgba(184, 134, 11, 0.05));
            border-radius: 20px;
            border: 2px solid rgba(192, 57, 43, 0.1);
        }
        .hero-title { font-size: 42px; font-weight: 900; color: var(--primary-red); margin: 0; letter-spacing: 2px; }
        .hero-subtitle { font-size: 18px; color: var(--primary-gold); margin-top: 15px; font-weight: 700; }
        .hero-desc { font-size: 14px; color: #666; margin-top: 10px; line-height: 1.8; }

        /* 表格容器 */
        .section {
            margin-bottom: 50px;
            background: var(--glass);
            padding: 30px;
            border-radius: 15px;
            border: 1px solid rgba(192, 57, 43, 0.1);
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .section-title {
            font-size: 24px;
            font-weight: 900;
            color: var(--primary-red);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--primary-gold);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title i { color: var(--primary-gold); }

        /* 表格样式 */
        table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
        }
        th {
            background: linear-gradient(135deg, var(--primary-red), #a93226);
            color: #fff;
            padding: 15px;
            text-align: center;
            font-weight: 800;
            font-size: 14px;
        }
        td {
            padding: 12px 15px;
            text-align: center;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            font-size: 14px;
        }
        tr:nth-child(even) { background: rgba(192, 57, 43, 0.02); }
        tr:hover { background: rgba(192, 57, 43, 0.05); }

        /* 邀请码区 */
        .invite-box {
            background: linear-gradient(135deg, rgba(192, 57, 43, 0.1), rgba(184, 134, 11, 0.1));
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            margin: 30px 0;
            border: 2px dashed var(--primary-gold);
        }
        .invite-label { font-size: 14px; color: #666; margin-bottom: 10px; }
        .invite-code {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary-red);
            cursor: pointer;
            transition: 0.3s;
            letter-spacing: 3px;
        }
        .invite-code:hover { transform: scale(1.05); text-shadow: 0 0 20px rgba(192, 57, 43, 0.3); }
        .copy-hint { font-size: 12px; color: #888; margin-top: 8px; }

        /* 浮窗客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-red), #a93226);
            color: #fff;
            border: none;
            cursor: pointer;
            font-size: 24px;
            box-shadow: 0 5px 20px rgba(192, 57, 43, 0.4);
            transition: 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .service-btn:hover { transform: scale(1.1); box-shadow: 0 8px 25px rgba(192, 57, 43, 0.5); }

        /* 底部CTA */
        .footer-cta {
            text-align: center;
            padding: 40px 20px;
            background: linear-gradient(135deg, var(--primary-red), #a93226);
            color: #fff;
            border-radius: 15px;
            margin-top: 50px;
        }
        .footer-cta h3 { font-size: 28px; margin: 0 0 15px; font-weight: 900; }
        .footer-cta p { font-size: 16px; margin: 0 0 25px; opacity: 0.9; }
        .footer-cta .cta-btn {
            background: #fff;
            color: var(--primary-red);
            font-weight: 900;
            padding: 15px 40px;
            font-size: 16px;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .hero-title { font-size: 28px; }
            .section-title { font-size: 18px; }
            th, td { padding: 10px 8px; font-size: 12px; }
            .invite-code { font-size: 24px; }
            .service-btn { width: 50px; height: 50px; font-size: 20px; }
        }