* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }
        
        body {
            background-color: #000;
            color: white;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            position: relative;
            overflow: hidden;
        }
        
        .video-container {
            position: absolute;
            top: 150px;
            bottom: 150px;
            left: 150px;
            right: 150px;
            overflow: hidden;
            z-index: -1;
            border-radius: 10px;
        }
        
        video {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .header {
            display: flex;
            justify-content: space-between;
            width: calc(100% - 100px);
            padding: 10px 80px;
            position: absolute;
            top: 80px;
            left: 80px;
            z-index: 2;
        }
        
        .site-list-btn {
            background-color: rgba(50, 50, 50, 0.8);
            color: white;
            border: none;
            border-radius: 20px;
            padding: 8px 15px;
            display: flex;
            align-items: center;
            gap: 5px;
            cursor: pointer;
        }
        
        .coin-icon-img {
            width: 25px;
            height: 25px;
        }
        
        .language-selector {
            background-color: rgba(50, 50, 50, 0.8);
            color: white;
            border: none;
            border-radius: 20px;
            padding: 8px 15px;
            display: flex;
            align-items: center;
            gap: 5px;
            cursor: pointer;
        }
        
        .flag-icon-img {
            width: 25px;
            height: 25px;
        }
        
        .main-content {
            width: calc(100% - 100px);
            max-width: 800px;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .top-logo {
            width: 200px;
            margin-bottom: 20px;
        }
        
        .login-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 50px;
        }
        
        .qr-section {
            background-color: rgba(50, 50, 50, 0.7);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            width: 250px;
        }
        
        .qr-title {
            margin-bottom: 15px;
            font-size: 18px;
        }
        
        .qr-code {
            width: 150px;
            height: 150px;
        }
        
        .login-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            width: 300px;
        }
        
        .input-group {
            position: relative;
        }
        
        .form-input {
            width: 100%;
            padding: 12px 40px 12px 40px;
            border: none;
            border-radius: 25px;
            background-color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
        }
        
        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #e0a800;
        }
        
        .captcha-input {
            width: 70%;
        }
        
        .captcha-image {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            height: 30px;
            background-color: #333;
            color: white;
            padding: 5px;
            border-radius: 5px;
        }
        
        .login-btn-img {
            width: 300px;
            height: 50px;
            background: url('/img/pc_btn.png') no-repeat center center;
            background-size: cover;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;

            font-size: 16px;
            border-radius: 25px;
            cursor: pointer;
            margin-top: 5px;
        }
        
        .switch-btn {
            padding: 12px;
            border: none;
            border-radius: 25px;
            background: linear-gradient(to right, #e0a800, #f0c14b);
            color: #333;
            font-weight: bold;
            cursor: pointer;
            margin-top: 5px;
        }
        
        .footer {
            position: absolute;
            bottom: 10px;
            text-align: center;
            font-size: 12px;
            color: #999;
            z-index: 2;
        }
        
        .volume-icon {
            position: absolute;
            top: 70px;
            right: 70px;
            color: white;
            font-size: 20px;
            cursor: pointer;
            z-index: 2;
        }