* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', 'SimHei', sans-serif;
        }
        
        body {
            background: #0c0c14 url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%230c0c14"/><path d="M0 0L100 100M100 0L0 100" stroke="%231a1a2a" stroke-width="1"/></svg>');
            color: #e0c080;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* 顶部装饰 */
        .top-decoration {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 10px;
            background: linear-gradient(90deg, transparent, #b8860b, #daa520, #b8860b, transparent);
            box-shadow: 0 0 10px #daa520;
        }
        
        /* Logo区域 */
        .logo-container {
            text-align: center;
            padding: 30px 0 -30px;
            position: relative;
        }
        
        .logo {
            max-width: 400px;
            width: 100%;
            filter: drop-shadow(0 0 15px rgba(218, 165, 32, 0.7));
        }
        
        .logo-border {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 420px;
            height: 120px;
            border: 2px solid #daa520;
            border-radius: 10px;
            box-shadow: 0 0 -30px rgba(218, 165, 32, 0.5);
            z-index: -1;
        }
        
        /* 音乐播放器 */
        .music-player {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 100;
            background: rgba(20, 20, 30, 0.8);
            border: 2px solid #b8860b;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(218, 165, 32, 0.5);
        }
        
        .music-player:hover {
            transform: scale(1.1);
            background: rgba(30, 30, 45, 0.9);
            box-shadow: 0 0 20px rgba(218, 165, 32, 0.7);
        }
        
        .music-icon {
            font-size: 28px;
            color: #daa520;
        }
        
        .music-player.playing .music-icon {
            animation: spin 3s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* 下载区域 */
        .download-section {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .download-card {
            width: 300px;
            height: 200px;
            perspective: 1000px;
        }
        
        .download-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: center;
            transition: transform 0.8s;
            transform-style: preserve-3d;
            cursor: pointer;
        }
        
        /* 桌面设备使用悬停效果 */
        @media (hover: hover) and (pointer: fine) {
            .download-card:hover .download-card-inner {
                transform: rotateY(180deg);
            }
        }
        
        /* 移动设备使用点击效果 */
        .download-card.flipped .download-card-inner {
            transform: rotateY(180deg);
        }
        
        .download-card-front, .download-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 20px;
            box-sizing: border-box;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            border: 2px solid #8b4513;
        }
        
        .download-card-front {
            background: linear-gradient(135deg, #2a0a0a, #5a1a1a);
            color: #e0c080;
        }
        
        .download-card-back {
            background: linear-gradient(135deg, #5a1a1a, #8b4513);
            color: #ffd700;
            transform: rotateY(180deg);
        }
        
        .platform-icon {
            font-size: 50px;
            margin-bottom: 15px;
            color: #daa520;
            text-shadow: 0 0 10px rgba(218, 165, 32, 0.5);
        }
        
        .platform-name {
            margin: 10px 0;
            font-size: 22px;
            font-weight: bold;
            color: #ffd700;
        }
        
        .download-btn {
            display: inline-block;
            padding: 12px 35px;
            background: linear-gradient(to bottom, #daa520, #b8860b);
            color: #3a1a0a;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            transition: all 0.3s ease;
            margin-top: 15px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
            border: 1px solid #ffd700;
            font-size: 18px;
        }
        
        .download-btn:hover {
            background: linear-gradient(to bottom, #ffd700, #daa520);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
        }
        
        /* 特性区域 */
        .features {
            display: flex;
            justify-content: center;
            margin: 50px 0;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .feature {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            width: 220px;
            padding: 25px 15px;
            background: rgba(30, 20, 10, 0.7);
            border-radius: 10px;
            border: 2px solid #8b4513;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .feature::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #8b4513, #daa520, #8b4513);
        }
        
        .feature:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.5);
            border-color: #daa520;
        }
        
        .feature-icon {
            font-size: 45px;
            margin-bottom: 20px;
            color: #daa520;
            text-shadow: 0 0 10px rgba(218, 165, 32, 0.5);
        }
        
        .feature-text {
            font-size: 20px;
            font-weight: bold;
            color: #ffd700;
        }
        
        /* 客服区域 */
        .support-section {
            text-align: center;
            margin: 60px 0 40px;
            padding: 35px;
            background: rgba(20, 15, 10, 0.8);
            border-radius: 10px;
            border: 2px solid #8b4513;
            box-shadow: 0 0 25px rgba(139, 69, 19, 0.4);
            position: relative;
            overflow: hidden;
        }
        
        .support-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #8b4513, #daa520, #8b4513);
        }
        
        .support-title {
            font-size: 32px;
            margin-bottom: 35px;
            color: #ffd700;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
            position: relative;
            display: inline-block;
        }
        
        .support-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 10%;
            width: 80%;
            height: 3px;
            background: linear-gradient(90deg, transparent, #daa520, transparent);
        }
        
        .support-methods {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 60px;
        }
        
        .support-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 25px;
            background: rgba(40, 25, 15, 0.7);
            border-radius: 10px;
            width: 220px;
            transition: all 0.3s ease;
            border: 2px solid #8b4513;
            position: relative;
            overflow: hidden;
        }
        
        .support-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #8b4513, #daa520, #8b4513);
        }
        
        .support-item:hover {
            transform: translateY(-8px);
            background: rgba(50, 30, 15, 0.8);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.5);
            border-color: #daa520;
        }
        
        .support-icon {
            font-size: 60px;
            margin-bottom: 20px;
            color: #daa520;
            text-shadow: 0 0 10px rgba(218, 165, 32, 0.5);
        }
        
        .support-label {
            font-size: 22px;
            margin-bottom: 15px;
            font-weight: bold;
            color: #ffd700;
        }
        
        .support-id {
            font-size: 18px;
            background: rgba(20, 10, 5, 0.7);
            padding: 10px 20px;
            border-radius: 5px;
            border: 1px solid #8b4513;
            color: #e0c080;
        }
        
        /* 页脚 */
        .footer {
            text-align: center;
            margin: 40px 0 20px;
            padding: 25px;
            border-top: 2px solid #8b4513;
            position: relative;
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 10%;
            width: 80%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #daa520, transparent);
        }
        
        .beian-link {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 16px;
        }
        
        .beian-link:hover {
            color: #ffd700;
            text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .download-section {
                flex-direction: column;
                align-items: center;
            }
            
            .download-card {
                width: 90%;
                max-width: 320px;
            }
            
            .features {
                flex-direction: column;
                align-items: center;
                gap: 25px;
            }
            
            .support-methods {
                flex-direction: column;
                align-items: center;
                gap: 30px;
            }
            
            .support-item {
                width: 90%;
                max-width: 280px;
            }
            
            .music-player {
                top: 10px;
                right: 10px;
                width: 50px;
                height: 50px;
            }
            
            .music-icon {
                font-size: 24px;
            }
            
            .logo-border {
                width: 90%;
                max-width: 350px;
            }
            
            .game-desc {
                font-size: 18px;
            }
        }