.queue-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    margin-top: 16px;
    padding: 16px 30px;

    border-radius: 14px;
    border: 2px solid rgba(255, 255, 255, 0.15);

    color: var(--primary-light);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;

    background: rgba(15, 23, 42, 0.6);
    transition: all 0.25s ease;
}

.queue-btn:hover {
    color: #fff;
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.15);
    transform: translateY(-1px);
}

.queue-btn i {
    font-size: 16px;
}

        :root {
            /* 主题颜色 - 参考您提供的模板 */
            --primary: #4f46e5;
            --primary-light: #818cf8;
            --primary-dark: #3730a3;
            --secondary: #f59e0b;
            --dark: #1e293b;
            --dark-light: #334155;
            --light: #f8fafc;
            --gray: #64748b;
            --gray-light: #cbd5e1;
            --success: #10b981;
            --error: #ef4444;
            --card-bg: rgba(255, 255, 255, 0.03);
            --border-color: rgba(255, 255, 255, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: var(--light);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            line-height: 1.6;
            position: relative;
            overflow-x: hidden;
        }
        
        /* 背景装饰元素 */
        .bg-decoration {
            position: fixed;
            z-index: -1;
            opacity: 0.1;
        }
        
        .bg-circle-1 {
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            filter: blur(100px);
            top: -300px;
            right: -300px;
        }
        
        .bg-circle-2 {
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-light) 100%);
            filter: blur(80px);
            bottom: -200px;
            left: -200px;
        }
        
        /* 登录容器 */
        .login-container {
            width: 100%;
            max-width: 440px;
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 50px;
            box-shadow: 
                0 20px 40px rgba(0, 0, 0, 0.2),
                0 0 60px rgba(79, 70, 229, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
            animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 装饰边框 */
        .login-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                var(--primary) 20%, 
                var(--primary-light) 50%, 
                var(--primary) 80%, 
                transparent 100%);
        }
        
        /* 头部 */
        .login-header {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .login-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
        }
        
        .login-icon i {
            font-size: 32px;
            color: white;
        }
        
        .login-title {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--light) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        
        .login-subtitle {
            font-size: 15px;
            color: var(--gray);
            font-weight: 400;
        }
        
        /* 错误消息 */
        .error-message {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.2);
            border-radius: 12px;
            padding: 15px 20px;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: fadeIn 0.3s ease-out;
        }
        
        .error-message i {
            color: var(--error);
            font-size: 18px;
        }
        
        .error-text {
            font-size: 14px;
            color: #fca5a5;
            flex: 1;
        }
        
        /* 表单 */
        .login-form {
            margin-bottom: 30px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--gray-light);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        
        .input-container {
            position: relative;
        }
        
        .input-container i {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
            font-size: 18px;
            z-index: 1;
        }
        
        .form-input {
            width: 100%;
            padding: 18px 20px 18px 52px;
            background: rgba(15, 23, 42, 0.5);
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            color: var(--light);
            font-size: 15px;
            font-family: 'Poppins', sans-serif;
            font-weight: 400;
            transition: all 0.3s ease;
        }
        
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(15, 23, 42, 0.8);
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
        }
        
        .form-input::placeholder {
            color: var(--gray);
        }
        
        /* 按钮 */
        .submit-btn {
            width: 100%;
            padding: 18px 30px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border: none;
            border-radius: 14px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            font-family: 'Poppins', sans-serif;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
        }
        
        .submit-btn:active {
            transform: translateY(0);
        }
        
        .submit-btn i {
            font-size: 18px;
            transition: transform 0.3s ease;
        }
        
        .submit-btn:hover i {
            transform: translateX(3px);
        }
        
        /* 加载动画 */
        .loading-spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }
        
        .loading .loading-spinner {
            display: inline-block;
        }
        
        .loading .btn-text {
            display: none;
        }
        
        /* 页脚 */
        .login-footer {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid var(--border-color);
        }
        
        .footer-text {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.6;
        }
        
        .footer-text a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-text a:hover {
            color: white;
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 输入框动画 */
        .form-input:focus + .input-glow {
            opacity: 1;
            transform: scale(1.02);
        }
        
        .input-glow {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 14px;
            z-index: -1;
            opacity: 0;
            transition: all 0.3s ease;
            filter: blur(10px);
        }
        
        /* 响应式设计 */
        @media (max-width: 480px) {
            .login-container {
                padding: 35px 25px;
                border-radius: 20px;
            }
            
            .login-title {
                font-size: 28px;
            }
            
            .login-icon {
                width: 70px;
                height: 70px;
            }
            
            .login-icon i {
                font-size: 28px;
            }
        }
        
        /* 辅助类 */
        .hidden {
            display: none !important;
        }