* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: #333;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            background-image: url('');
            background-size: cover;
            background-position: center;
            background-blend-mode: multiply;
        }
        
        .container {
            width: 100%;
            max-width: 500px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        header {
            background: linear-gradient(to right, #00c6ff, #0072ff);
            color: white;
            padding: 25px;
            text-align: center;
            position: relative;
        }
        
        .logo {
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: white;
            display: flex;
            justify-content: center;
        }
        
        h1 {
            font-size: 1.8rem;
            margin-bottom: 5px;
            font-weight: 600;
        }
        
        .subtitle {
            font-size: 1rem;
            opacity: 0.9;
            margin-top: 8px;
        }
        
        .main-content {
            padding: 30px;
        }
        
        .notification {
            background-color: #fff9db;
            border-left: 4px solid #ffd43b;
            padding: 15px;
            margin-bottom: 25px;
            border-radius: 4px;
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
        }
        
        .notification i {
            color: #f59f00;
            margin-right: 10px;
            flex-shrink: 0;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #495057;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
        }
        
        label i {
            margin-right: 10px;
            width: 20px;
            text-align: center;
        }
        
        .input-with-icon {
            position: relative;
        }
        
        .input-with-icon i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #6c757d;
        }
        
        input {
            width: 100%;
            padding: 14px 14px 14px 45px;
            border: 2px solid #e1e5eb;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        input:focus {
            border-color: #007bff;
            box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
            outline: none;
        }
        
        .steps-info {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 5px;
        }
        
        .steps-range {
            flex: 1;
            height: 8px;
            background: #e9ecef;
            border-radius: 4px;
            overflow: hidden;
        }
        
        .steps-progress {
            height: 100%;
            background: linear-gradient(to right, #00d2ff, #3a7bd5);
            width: 65%;
        }
        
        .steps-text {
            font-size: 0.85rem;
            color: #6c757d;
        }
        
        button {
            background: linear-gradient(to right, #00c6ff, #0072ff);
            color: white;
            border: none;
            padding: 16px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s;
            margin-top: 10px;
            box-shadow: 0 4px 15px rgba(0, 114, 255, 0.3);
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 114, 255, 0.4);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        .links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 25px;
            flex-wrap: wrap;
        }
        
        .links a {
            color: #007bff;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            padding: 8px 12px;
            border-radius: 6px;
        }
        
        .links a:hover {
            color: #0056b3;
            background: #e7f3ff;
            text-decoration: none;
        }
        
        .links a i {
            margin-right: 5px;
        }
        
        footer {
            text-align: center;
            padding: 20px;
            color: #6c757d;
            font-size: 0.85rem;
            border-top: 1px solid #e9ecef;
            margin-top: 10px;
            background: rgba(0, 0, 0, 0.02);
        }
        
        footer a {
            color: #007bff;
            text-decoration: none;
        }
        
        footer a:hover {
            text-decoration: underline;
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background: white;
            border-radius: 15px;
            width: 90%;
            max-width: 400px;
            padding: 30px;
            text-align: center;
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            animation: modalAppear 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        @keyframes modalAppear {
            from {
                transform: translateY(30px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        .modal-icon {
            font-size: 3.5rem;
            margin-bottom: 20px;
        }
        
        .success .modal-icon {
            color: #28a745;
        }
        
        .error .modal-icon {
            color: #dc3545;
        }
        
        .modal-message {
            font-size: 1.2rem;
            margin-bottom: 25px;
            line-height: 1.5;
        }
        
        .close-modal {
            background: #007bff;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        
        .close-modal:hover {
            background: #0069d9;
        }
        
        .api-status {
            margin-top: 15px;
            padding: 10px;
            border-radius: 8px;
            background: #f8f9fa;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .api-status i {
            margin-right: 8px;
            color: #28a745;
        }
        
        .loading {
            display: none;
            text-align: center;
            padding: 15px;
        }
        
        .spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border-left-color: #007bff;
            animation: spin 1s linear infinite;
            margin: 0 auto 15px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* 新增的滑动条样式 */
        .steps-slider-container {
            margin-top: 15px;
            background: #f8f9fa;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        
        .slider-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .slider-value {
            background: #e9ecef;
            padding: 6px 12px;
            border-radius: 20px;
            font-weight: 600;
            color: #495057;
            min-width: 90px;
            text-align: center;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .slider-value i {
            margin-right: 5px;
            color: #007bff;
        }
        
        .steps-slider {
            width: 100%;
            height: 16px;
            -webkit-appearance: none;
            appearance: none;
            background: #e1e5eb;
            border-radius: 8px;
            outline: none;
            margin: 10px 0;
        }
        
        .steps-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #007bff;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.5);
            border: 3px solid white;
            transition: all 0.2s;
        }
        
        .steps-slider::-webkit-slider-thumb:hover {
            transform: scale(1.1);
            background: #0062cc;
        }
        
        .steps-slider::-moz-range-thumb {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #007bff;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.5);
            border: 3px solid white;
            transition: all 0.2s;
        }
        
        .steps-slider::-moz-range-thumb:hover {
            transform: scale(1.1);
            background: #0062cc;
        }
        
        .slider-controls {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
        }
        
        .slider-btn {
            background: #e9ecef;
            border: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 1.2rem;
            color: #495057;
        }
        
        .slider-btn:hover {
            background: #dee2e6;
            transform: scale(1.05);
        }
        
        .slider-btn:active {
            transform: scale(0.95);
        }
        
        .slider-presets {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
        }
        
        .slider-preset {
            background: #e9f7fe;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            text-align: center;
            flex: 1;
            margin: 0 5px;
        }
        
        .slider-preset:hover {
            background: #d1f0fd;
            transform: translateY(-2px);
        }
        
        .slider-preset.active {
            background: linear-gradient(to right, #00c6ff, #0072ff);
            color: white;
            font-weight: 600;
        }
        
        .slider-footer {
            display: flex;
            justify-content: space-between;
            margin-top: 10px;
            font-size: 0.85rem;
            color: #6c757d;
        }
        
        @media (max-width: 600px) {
            body {
                padding: 10px;
            }
            
            header {
                padding: 20px 15px;
            }
            
            .main-content {
                padding: 20px;
            }
            
            h1 {
                font-size: 1.5rem;
            }
            
            .subtitle {
                font-size: 0.9rem;
            }
            
            .links {
                gap: 10px;
            }
            
            .links a {
                font-size: 0.85rem;
                padding: 6px 10px;
            }
            
            .slider-preset {
                font-size: 0.8rem;
                padding: 6px 8px;
            }
        }