/* 端口转发配置生成器样式 */
        .port-forward-page {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
        }

        .page-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 20px;
            background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
            border-radius: 16px;
            color: #fff;
        }

        .header-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            display: block;
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 12px 0;
        }

        .page-header p {
            font-size: 16px;
            opacity: 0.9;
            margin: 0;
        }

        .generator-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 40px;
        }

        .config-card, .result-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .config-card h3, .result-card h3 {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 20px 0;
            color: #2c3e50;
        }

        .config-card h3 svg, .result-card h3 svg {
            width: 20px;
            height: 20px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: #2c3e50;
            margin-bottom: 8px;
        }

        .select-input, .input-field {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 14px;
            transition: all 0.2s;
            box-sizing: border-box;
        }

        .select-input:focus, .input-field:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }

        /* IP快捷选择按钮 */
        .ip-quick-select {
            display: flex;
            gap: 6px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .ip-btn {
            padding: 4px 10px;
            font-size: 11px;
            border: 1px solid #ddd;
            background: #f8f8f8;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .ip-btn:hover {
            border-color: #3498db;
            background: #e3f2fd;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-top: 12px;
        }

        .service-btn {
            padding: 12px;
            border: 2px solid #e8e8e8;
            background: #fff;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            text-align: left;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .service-btn:hover {
            border-color: #3498db;
            background: #f0f8ff;
            transform: translateY(-2px);
        }

        .service-btn.active {
            border-color: #3498db;
            background: #3498db;
            color: #fff;
        }

        .service-btn i {
            font-size: 20px;
            width: 24px;
            text-align: center;
        }

        .service-info {
            flex: 1;
        }

        .service-name {
            font-weight: 600;
            font-size: 14px;
            display: block;
        }

        .service-port {
            font-size: 12px;
            opacity: 0.7;
            display: block;
            margin-top: 2px;
        }

        .security-warning {
            padding: 12px 16px;
            border-radius: 6px;
            margin-top: 12px;
            border-left: 4px solid;
            transition: all 0.3s;
        }

        .security-warning.level-safe {
            background: #d4edda;
            border-color: #28a745;
        }

        .security-warning.level-warning {
            background: #fff3cd;
            border-color: #ffc107;
        }

        .security-warning.level-danger {
            background: #f8d7da;
            border-color: #dc3545;
        }

        .security-warning strong {
            display: block;
            margin-bottom: 4px;
        }

        .security-warning.level-safe strong {
            color: #155724;
        }

        .security-warning.level-warning strong {
            color: #856404;
        }

        .security-warning.level-danger strong {
            color: #721c24;
        }

        .security-warning p {
            margin: 0;
            font-size: 13px;
            line-height: 1.6;
        }

        .security-warning.level-safe p {
            color: #155724;
        }

        .security-warning.level-warning p {
            color: #856404;
        }

        .security-warning.level-danger p {
            color: #721c24;
        }

        .port-test-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #3498db;
            color: #fff;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.2s;
            margin-top: 12px;
        }

        .port-test-btn:hover {
            background: #2980b9;
            transform: translateY(-1px);
        }

        .port-test-btn i {
            font-size: 14px;
        }

        .result-section {
            margin-bottom: 24px;
        }

        .result-section h4 {
            font-size: 16px;
            font-weight: 600;
            color: #2c3e50;
            margin: 0 0 12px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .config-output {
            background: #f8f8f8;
            border: 1px solid #e8e8e8;
            border-radius: 8px;
            padding: 16px;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            line-height: 1.8;
            position: relative;
            margin-bottom: 12px;
        }

        .copy-btn {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 6px 12px;
            background: #3498db;
            color: #fff;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 12px;
            transition: all 0.2s;
        }

        .copy-btn:hover {
            background: #2980b9;
        }

        .copy-btn:active {
            transform: scale(0.95);
        }

        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .step-list li {
            padding: 12px;
            margin-bottom: 8px;
            background: #f8f8f8;
            border-left: 3px solid #3498db;
            border-radius: 4px;
            font-size: 14px;
            line-height: 1.6;
        }

        .step-list li strong {
            color: #3498db;
        }

        .info-section {
            background: #fff;
            border-radius: 12px;
            padding: 32px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 24px;
        }

        .info-section h3 {
            font-size: 20px;
            font-weight: 600;
            color: #2c3e50;
            margin: 0 0 20px 0;
        }

        .faq-item {
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e8e8e8;
        }

        .faq-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .faq-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: #2c3e50;
            margin: 0 0 8px 0;
        }

        .faq-item p {
            margin: 0;
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        .protocol-selector {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .protocol-btn {
            flex: 1;
            padding: 8px;
            border: 2px solid #e8e8e8;
            background: #fff;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s;
        }

        .protocol-btn:hover {
            border-color: #3498db;
        }

        .protocol-btn.active {
            border-color: #3498db;
            background: #3498db;
            color: #fff;
        }

        @media (max-width: 768px) {
            .generator-area {
                grid-template-columns: 1fr;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .page-header h1 {
                font-size: 24px;
            }
        }