/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-text: #777;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --border-radius: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    z-index: 1;
}

/* 容器样式 */
.art-assessment-container {
    max-width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* 头部样式 */
.art-assessment-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.art-assessment-header h1 {
    font-size: 1.8em;
    font-weight: 600;
    margin: 0;
    letter-spacing: 1px;
}

/* 主内容样式 */
.art-assessment-main {
    flex: 1;
    padding: 20px;
    background-color: var(--background-color);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    z-index: 1;
}

/* 卡片样式 */
.art-assessment-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.art-assessment-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

/* 区块样式 */
.art-assessment-section {
    margin-bottom: 30px;
}

.art-assessment-section h2 {
    color: var(--primary-color);
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
    background-color: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    background-color: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* 按钮样式 */
.art-assessment-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--secondary-color), #2980b9);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.art-assessment-btn:hover {
    background: linear-gradient(135deg, #2980b9, var(--secondary-color));
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(52, 152, 219, 0.4);
}

.art-assessment-btn:active {
    transform: translateY(0);
}

/* 列表样式 */
.process-list {
    list-style: none;
    margin: 20px 0;
}

.process-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.5;
}

.process-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 12px;
    height: 12px;
    background-color: var(--secondary-color);
    border-radius: 50%;
}

.process-list li::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 18px;
    width: 2px;
    height: calc(100% + 5px);
    background-color: #e0e0e0;
}

.process-list li:last-child::after {
    display: none;
}

/* 结果区域样式 */
#payment-result,
#report-result {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--secondary-color);
}

#result-message {
    font-size: 16px;
    font-weight: 600;
    color: #27ae60;
    margin-bottom: 15px;
}

/* 报告样式 */
.report-info {
    background-color: var(--card-background);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.report-info p {
    margin-bottom: 10px;
    font-size: 14px;
}

.report-info strong {
    color: var(--primary-color);
}

.report-content {
    background-color: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.report-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
    font-size: 16px;
}

.report-content p {
    margin-bottom: 12px;
    line-height: 1.6;
    font-size: 14px;
}

.report-file {
    background-color: #e8f4f8;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    border-left: 4px solid var(--secondary-color);
}

.report-pending {
    background-color: #fff3cd;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    color: #856404;
    border-left: 4px solid #ffc107;
}

/* 支付信息样式 */
.payment-info {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
}

.payment-info h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.4em;
}

.payment-amount {
    font-size: 2em;
    font-weight: 600;
    color: var(--accent-color);
    margin: 20px 0;
}

/* 页脚样式 */
.art-assessment-footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    margin-top: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .art-assessment-header {
        padding: 15px;
    }
    
    .art-assessment-header h1 {
        font-size: 1.6em;
    }
    
    .art-assessment-main {
        padding: 15px;
    }
    
    .art-assessment-card {
        padding: 20px;
    }
    
    .art-assessment-section h2 {
        font-size: 1.3em;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 15px;
    }
    
    .art-assessment-btn {
        padding: 14px;
        font-size: 15px;
    }
    
    .process-list li {
        padding-left: 25px;
        font-size: 13px;
    }
    
    .payment-info {
        padding: 20px 15px;
    }
    
    .payment-amount {
        font-size: 1.8em;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误提示 */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 14px;
}

/* 成功提示 */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 14px;
}

/* 文件上传样式 */
.file-upload {
    position: relative;
    border: 2px dashed #e0e0e0;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    background-color: #fafafa;
}

.file-upload:hover {
    border-color: var(--secondary-color);
    background-color: #f0f8ff;
}

.file-upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-label {
    display: block;
    color: var(--light-text);
    font-size: 14px;
}

.file-upload-icon {
    font-size: 32px;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

/* 专业感增强 */
.professional-header {
    position: relative;
    overflow: hidden;
}

.professional-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1), transparent 70%);
}

.professional-card {
    position: relative;
    overflow: hidden;
}

.professional-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--secondary-color), #2980b9);
}

/* 按钮专业样式 */
.professional-btn {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.professional-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
    z-index: -1;
}

.professional-btn:hover::before {
    left: 100%;
}

/* 按钮组样式 */
.button-group {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.button-group .art-assessment-btn {
    flex: 1;
}

.button-group .art-assessment-btn.secondary {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
    box-shadow: 0 4px 10px rgba(149, 165, 166, 0.3);
}

.button-group .art-assessment-btn.secondary:hover {
    background: linear-gradient(135deg, #7f8c8d, #95a5a6);
    box-shadow: 0 6px 14px rgba(149, 165, 166, 0.4);
}

/* 报告订单样式 */
.report-order {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid var(--secondary-color);
}

.report-order h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e0e0e0;
    font-size: 16px;
    font-weight: 600;
}

.report-order .report-content h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
    font-size: 14px;
}

/* 艺术品评估系统专业样式 */
.art-assessment-card h2 {
    color: var(--primary-color);
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.art-assessment-card p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text-color);
}

.art-assessment-card strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 响应式按钮组 */
@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .button-group .art-assessment-btn {
        width: 100%;
    }
}

/* 报告模板样式 */
.report-template {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
}

.report-template h3 {
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.report-section {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.report-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.report-section h4 {
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    padding-left: 10px;
    border-left: 4px solid var(--secondary-color);
}

.report-section p {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--text-color);
}

.report-footer {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
    font-size: 14px;
    color: var(--light-text);
    text-align: center;
    font-style: italic;
}