* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        
        body {
            background-color: #f7f8fa;
            color: #333;
            line-height: 1.5;
        }
        
        .container {
            max-width: 100%;
            margin: 0 auto;
            padding: 15px;
            padding-bottom: 120px;
        }
        
        h1 {
            font-size: 20px;
            text-align: center;
            margin-bottom: 20px;
            color: #333;
        }
        
        .steps {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            padding: 0 20px;
            position: relative;
        }
        
        .step {
            text-align: center;
            font-size: 14px;
            color: #999;
            position: relative;
            flex: 1;
            z-index: 2;
            background-color: #f7f8fa;
            padding: 0 5px;
        }
        
        .step.active {
            color: #1890ff;
            font-weight: bold;
        }
        
        .steps:before {
            content: "";
            position: absolute;
            top: 10px;
            left: 20px;
            right: 20px;
            height: 1px;
            background-color: #ddd;
            z-index: 1;
        }
        
        .form-container {
            background-color: #fff;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }
        
        h2 {
            font-size: 16px;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #eee;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-size: 14px;
        }
        
        .form-group input, .form-group select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 10px center;
            background-size: 16px;
        }
        
        .radio-group {
            display: flex;
            margin-bottom: 15px;
            justify-content: center;
        }
        
        .radio-option {
            display: flex;
            align-items: center;
            margin: 0 10px;
            position: relative;
        }
        
        .radio-option input {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .radio-option label {
            padding: 8px 15px 8px 30px;
            border: 1px solid #ddd;
            border-radius: 4px;
            position: relative;
            cursor: pointer;
        }
        
        .radio-option input:checked + label {
            border-color: #1890ff;
            background-color: #f0f9ff;
        }
        
        .radio-option input:checked + label:after {
            content: "✓";
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            color: #1890ff;
            font-weight: bold;
        }
        
        .service-type {
            margin: 20px 0;
        }
        
        .service-type p.title {
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .service-buttons {
            display: flex;
            justify-content: space-between;
        }
        
        .service-btn {
            flex: 1;
            padding: 10px;
            text-align: center;
            border: 1px solid #ddd;
            border-radius: 4px;
            margin: 0 5px;
            background-color: #f9f9f9;
            position: relative;
            cursor: pointer;
        }
        
        .service-btn:first-child {
            margin-left: 0;
        }
        
        .service-btn:last-child {
            margin-right: 0;
        }
        
        .service-btn.selected {
            border-color: #1890ff;
            background-color: #f0f9ff;
        }
        
        .service-btn.selected:after {
            content: "✓";
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            color: #1890ff;
            font-weight: bold;
        }
        
        .checkbox-group {
            display: flex;
            align-items: center;
            margin: 20px 0;
        }
        
        .checkbox-group input {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .checkbox-group label {
            position: relative;
            padding-left: 25px;
            cursor: pointer;
            font-size: 14px;
        }
        
        .checkbox-group label:before {
            content: "";
            position: absolute;
            left: 0;
            top: 2px;
            width: 16px;
            height: 16px;
            border: 1px solid #ddd;
            border-radius: 3px;
            background-color: #fff;
        }
        
        .checkbox-group input:checked + label:before {
            background-color: #1890ff;
            border-color: #1890ff;
        }
        
        .checkbox-group input:checked + label:after {
            content: "✓";
            position: absolute;
            left: 4px;
            top: 0;
            color: white;
            font-size: 12px;
        }
        
        .checkbox-group a {
            color: #1890ff;
            text-decoration: none;
        }
        
        .submit-btn {
            width: 100%;
            padding: 12px;
            background-color: #1890ff;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
        }
        
        .submit-btn:hover {
            background-color: #40a9ff;
        }
        
        hr {
            border: none;
            border-top: 1px solid #eee;
            margin: 15px 0;
        }
        
        /* 支付相关样式 */
        .payment-footer {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
            z-index: 100;
            padding: 10px 15px;
        }
        
        .btn-pay {
            width: 100%;
            border: none;
            font-size: 16px;
            font-weight: bold;
            color: white;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding: 12px;
            border-radius: 4px;
        }
        
        .btn-wechat {
            background: linear-gradient(135deg, #07c160, #05a84e);
        }
        
        .btn-alipay {
            background: linear-gradient(135deg, #1677ff, #0958d9);
        }
        
        .btn-both {
            background: linear-gradient(135deg, #1890ff, #096dd9);
        }
        
        .error-message {
            color: #f5222d;
            background-color: rgba(245, 34, 45, 0.05);
            padding: 12px;
            text-align: center;
            font-size: 14px;
            margin-bottom: 10px;
        }
        
        /* 弹窗样式 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background-color: white;
            width: 90%;
            max-width: 400px;
            border-radius: 10px;
            overflow: hidden;
            animation: modalFadeIn 0.3s;
        }
        
        @keyframes modalFadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .modal-header {
            padding: 15px;
            background-color: #f7f8fa;
            border-bottom: 1px solid #eee;
            text-align: center;
            font-weight: bold;
            position: relative;
        }
        
        .modal-body {
            padding: 20px;
        }
        
        .payment-option {
            display: flex;
            align-items: center;
            padding: 15px;
            margin-bottom: 10px;
            border: 1px solid #eee;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .payment-option:hover {
            background-color: #f7f8fa;
            border-color: #1890ff;
        }
        
        .payment-option i {
            font-size: 24px;
            margin-right: 15px;
            width: 30px;
            text-align: center;
        }
        
        .payment-option .payment-text {
            flex: 1;
        }
        
        .payment-option .payment-title {
            font-weight: bold;
            margin-bottom: 3px;
        }
        
        .payment-option .payment-desc {
            font-size: 12px;
            color: #888;
        }
        
        .close-modal {
            position: absolute;
            top: 50%;
            right: 15px;
            transform: translateY(-50%);
            font-size: 20px;
            color: #888;
            cursor: pointer;
        }
        
        /* 图片展示区 */
        .image-container {
            display: flex;
            flex-direction: column;
            width: 100%;
            margin-bottom: 15px;
        }
        
        .image-container img {
            width: 100%;
            display: block;
            margin: 0;
            padding: 0;
            border-radius: 8px;
        }