* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
            color: #fff;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
        }
        
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
            z-index: -1;
        }
        
        .container {
            max-width: 1200px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            background: rgba(30, 30, 30, 0.8);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.1);
        }
        
        .left-panel {
            flex: 1;
            min-width: 300px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .right-panel {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 140, 0, 0.1) 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        
        .logo {
            display: flex;
            align-items: center;
            margin-bottom: 40px;
        }
        
        .logo-img {
            height: 60px;
            margin-right: 15px;
            filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
        }
        
        .logo-text {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(to right, #ffd700, #ffed4e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        
        .subtitle {
            font-size: 16px;
            color: #aaa;
            margin-bottom: 40px;
            line-height: 1.6;
        }
        
        .buttons-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .btn {
            padding: 16px 24px;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            position: relative;
            overflow: hidden;
            text-decoration: none;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn-login {
            background: linear-gradient(to right, #ffd700, #ffaa00);
            color: #000;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
        }
        
        .btn-login:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
        }
        
        .btn-secure {
            background: linear-gradient(to right, #4a6fff, #2a4bcc);
            color: #fff;
            box-shadow: 0 4px 15px rgba(74, 111, 255, 0.4);
        }
        
        .btn-secure:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(74, 111, 255, 0.6);
        }
        
        .btn-download {
            background: linear-gradient(to right, #2ecc71, #27ae60);
            color: #fff;
            box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
        }
        
        .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(46, 204, 113, 0.6);
        }
        
        .btn-pc {
            background: linear-gradient(to right, #9b59b6, #8e44ad);
            color: #fff;
            box-shadow: 0 4px 15px rgba(155, 89, 182, 0.4);
        }
        
        .btn-pc:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(155, 89, 182, 0.6);
        }
        
        .btn-icon {
            font-size: 18px;
        }
        
        .feature-image {
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            animation: float 6s ease-in-out infinite;
            border: 2px solid rgba(255, 215, 0, 0.2);
        }
        
        @keyframes float {
            0% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-15px) rotate(1deg); }
            100% { transform: translateY(0px) rotate(0deg); }
        }
        
        .features {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
        }
        
        .feature {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #ccc;
        }
        
        .feature i {
            color: #ffd700;
        }
        
        .footer {
            text-align: center;
            margin-top: 30px;
            color: #888;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
            }
            
            .left-panel, .right-panel {
                padding: 30px 20px;
            }
            
            .title {
                font-size: 28px;
            }
            
            .logo-text {
                font-size: 28px;
            }
        }
        
        /* 装饰元素 */
        .decoration {
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            z-index: -1;
        }
        
        .decoration:nth-child(1) {
            top: 10%;
            left: 5%;
            width: 150px;
            height: 150px;
        }
        
        .decoration:nth-child(2) {
            bottom: 10%;
            right: 5%;
            width: 180px;
            height: 180px;
        }