* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body.hzbgs-auth {
            font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: #fbfbfd;
            min-height: 100vh;
            display: flex;   
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .login-container {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-radius: 20px;
            padding: 48px;
            width: 100%;
            max-width: 460px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }

        .login-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .login-header h1 {
            font-size: 40px;
            font-weight: 600;
            color: #1d1d1f;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .login-header p {
            font-size: 19px;
            color: #86868b;
            line-height: 1.4;
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            font-size: 17px;
            color: #1d1d1f;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            height: 52px;
            padding: 0 16px;
            font-size: 17px;
            border: 1px solid #d2d2d7;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.8);
            transition: all 0.2s ease;
        }

        .form-group input:focus {
            outline: none;
            border-color: #0066cc;
            background: #ffffff;
            box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.15);
        }

        button {
            width: 100%;
            height: 52px;
            font-size: 17px;
            font-weight: 500;
            color: #ffffff;
            background: #0066cc;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-top: 8px;
        }

        button:hover {
            background: #0077ed;
        }

        button:active {
            transform: scale(0.98);
            background: #004499;
        }

        .error-message {
            background: #fff2f2;
            border-radius: 8px;
            padding: 12px 16px;
            color: #ff3b30;
            font-size: 15px;
            margin-bottom: 20px;
            display: none;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }