/**
 * IT项目价格评估 - 主样式表
 * @createtime 2025/12/13
 */

/* 基础变量 */
:root {
    --primary-color: #4a90d9;
    --primary-dark: #3a7bc8;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #ff4d4f;
    --text-color: #333;
    --text-secondary: #666;
    --text-light: #999;
    --border-color: #e8e8e8;
    --bg-color: #f5f7fa;
    --card-bg: #fff;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --radius: 8px;
}

/* 基础样式 */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* 头部导航 */
.pricing-header-bar {
    background: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.pricing-header-bar .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

.pricing-header-bar .logo i {
    font-size: 24px;
}

.header-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
    white-space: nowrap;
}

.header-nav a:hover {
    color: var(--primary-color);
}

.header-nav a.nav-login {
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-right .user-info {
    color: var(--text-secondary);
    font-size: 24px;
}

.header-right .login-link {
    color: var(--primary-color);
    text-decoration: none;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
}

.menu-toggle:hover {
    color: var(--primary-color);
}

/* 主容器 */
.pricing-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* 页面头部 */
.pricing-header {
    text-align: center;
    margin-bottom: 40px;
}

.pricing-header h1 {
    font-size: 32px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.pricing-header h1 i {
    color: var(--primary-color);
    margin-right: 10px;
}

.pricing-header .subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header .header-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-header h1 {
    font-size: 24px;
    margin: 0;
}

.back-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(-3px);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 徽章 */
.version-badge {
    background: var(--primary-color);
    color: #fff;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.status-badge {
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.status-badge.status-1 {
    background: #fff7e6;
    color: #fa8c16;
}

.status-badge.status-2 {
    background: #f6ffed;
    color: #52c41a;
}

/* 功能介绍区域 - 横向列表样式 */
.feature-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.feature-item:first-child {
    padding-top: 0;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 24px;
    color: #fff;
}

.feature-content h3 {
    font-size: 16px;
    margin: 0 0 6px 0;
    color: var(--text-color);
}

.feature-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* 统计区域 - 单独样式 */
.stats-section {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px 50px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-decoration: none;
    transition: all 0.2s;
}

.stat-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
}

.stat-box .stat-number {
    font-size: 42px;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1;
}

.stat-box .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* 操作按钮区域 */
.action-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

/* 介绍卡片 - 保留兼容 */
.pricing-intro {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.intro-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
}

.intro-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.intro-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.intro-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

/* 统计卡片 */
.pricing-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
    text-decoration: none;
    color: inherit;
    padding: 20px 40px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.stat-item:hover {
    transform: translateY(-3px);
}

.stat-number {
    font-size: 36px;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 5px;
}

/* 操作按钮 */
.pricing-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
}

.action-btn.secondary {
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.action-btn i {
    font-size: 32px;
    margin-bottom: 10px;
}

.action-btn span {
    font-size: 18px;
    font-weight: 500;
}

.action-btn small {
    color: rgba(255,255,255,0.8);
    font-size: 13px;
    margin-top: 8px;
}

.action-btn.secondary small {
    color: var(--text-light);
}

/* 最近项目 */
.recent-projects {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.recent-projects h3 {
    font-size: 16px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.project-list li {
    border-bottom: 1px solid var(--border-color);
}

.project-list li:last-child {
    border-bottom: none;
}

.project-list a {
    display: flex;
    align-items: center;
    padding: 12px 0;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
}

.project-list .project-name {
    flex: 1;
    font-size: 14px;
}

.project-list .project-stage {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
    margin-right: 15px;
}

.project-list .project-time {
    color: var(--text-light);
    font-size: 12px;
}

/* 阶段颜色 */
.stage-1 { background: #e6f7ff; color: #1890ff; }
.stage-2 { background: #fff7e6; color: #fa8c16; }
.stage-3 { background: #f6ffed; color: #52c41a; }
.stage-4 { background: #fff1f0; color: #f5222d; }
.stage-5 { background: #f9f0ff; color: #722ed1; }

.view-all {
    display: block;
    text-align: center;
    padding: 15px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.no-data {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

.no-data i {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

/* 登录提示 */
.login-prompt {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.login-prompt p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.login-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: var(--primary-color);
    color: #fff;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 16px;
}

/* 按钮 */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-primary.large, .btn-secondary.large {
    padding: 15px 40px;
    font-size: 16px;
}

.btn-small {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
    text-decoration: none;
    background: var(--bg-color);
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-small:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-small.primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-small.danger:hover {
    background: var(--danger-color);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-color);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--primary-color);
    color: #fff;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.action-buttons.center {
    justify-content: center;
}

/* 表单样式 */
.form-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

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

.form-group:last-child {
    margin-bottom: 0;
}

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

.form-group .required {
    color: var(--danger-color);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-light);
    font-size: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* 上传区域 */
.upload-section {
    margin-bottom: 30px;
}

.upload-area {
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.upload-area i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.upload-area p {
    font-size: 16px;
    margin-bottom: 10px;
}

.upload-tips {
    color: var(--text-light);
    font-size: 13px;
}

.upload-progress {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
}

.progress-bar {
    height: 8px;
    background: var(--bg-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    width: 0;
    transition: width 0.3s;
}

.upload-result {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-info i {
    font-size: 24px;
    color: var(--primary-color);
}

.file-info span {
    flex: 1;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
}

.remove-btn:hover {
    color: var(--danger-color);
}

/* 需求文档样式 */
.requirement-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.req-section {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
}

.req-section:last-child {
    border-bottom: none;
}

.req-section h2 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.req-section h2 i {
    color: var(--primary-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-item label {
    font-size: 12px;
    color: var(--text-light);
}

.info-item span {
    font-size: 14px;
}

.content-text {
    line-height: 1.8;
    color: var(--text-secondary);
}

.role-list,
.module-list,
.flow-list {
    display: grid;
    gap: 15px;
}

.role-card,
.module-card,
.flow-card {
    background: var(--bg-color);
    border-radius: 6px;
    padding: 15px;
}

.role-card h4,
.module-card h4,
.flow-card h4 {
    font-size: 14px;
    margin-bottom: 8px;
}

.role-card p,
.module-card p,
.flow-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.permissions {
    font-size: 12px;
}

.perm-tag {
    display: inline-block;
    background: var(--card-bg);
    padding: 2px 8px;
    border-radius: 3px;
    margin: 2px;
}

.feature-list,
.step-list {
    margin: 0;
    padding-left: 20px;
}

.feature-list li,
.step-list li {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.ref-list {
    margin: 0;
    padding-left: 20px;
}

.ref-list li {
    margin-bottom: 8px;
}

.summary-section {
    background: #f0f7ff;
}

/* 报价样式 */
.quote-settings {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.quote-settings h3 {
    font-size: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.setting-form {
    max-width: 600px;
}

.existing-quote-notice {
    background: #fffbe6;
    border: 1px solid #ffe58f;
    border-radius: var(--radius);
    padding: 15px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.existing-quote-notice i {
    color: var(--warning-color);
}

.existing-quote-notice a {
    margin-left: auto;
    color: var(--primary-color);
}

.quote-progress {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 60px;
    text-align: center;
    box-shadow: var(--shadow);
}

.quote-progress .progress-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.quote-progress .error-icon {
    font-size: 48px;
    color: var(--danger-color);
    margin-bottom: 20px;
}

.quote-progress .error-text {
    color: var(--danger-color);
    margin-bottom: 20px;
}

.quote-summary {
    display: flex;
    justify-content: center;
    gap: 40px;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.quote-summary .summary-item {
    text-align: center;
}

.quote-summary .summary-item label {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.quote-summary .summary-item .value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
}

.quote-summary .summary-item .value small {
    font-size: 14px;
    font-weight: normal;
}

.quote-summary .summary-item.highlight .value {
    color: var(--primary-color);
}

.quote-detail {
    margin-bottom: 30px;
}

.quote-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--bg-color);
    margin: 0;
    font-size: 15px;
}

.section-index {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.section-subtotal {
    margin-left: auto;
    font-size: 13px;
    color: var(--text-secondary);
}

.quote-table {
    width: 100%;
    border-collapse: collapse;
}

.quote-table th,
.quote-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.quote-table th {
    background: #fafafa;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-secondary);
}

.quote-table td {
    font-size: 13px;
}

.quote-table .text-center {
    text-align: center;
}

.quote-table .text-right {
    text-align: right;
}

.quote-notes {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.quote-notes h3 {
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quote-notes p {
    color: var(--text-secondary);
    font-size: 13px;
}

.quote-footer-info {
    background: #fafafa;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 30px;
}

.quote-footer-info p {
    font-size: 13px;
    margin-bottom: 8px;
}

.quote-footer-info .disclaimer {
    color: var(--text-light);
    font-style: italic;
}

/* 搜索栏 */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
}

.search-input-wrap {
    flex: 1;
    position: relative;
}

.search-input-wrap i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.search-input-wrap input {
    width: 100%;
    padding: 12px 15px 12px 42px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s;
}

.search-input-wrap input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 历史记录列表 */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.history-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.card-main {
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.card-title {
    font-size: 15px;
    font-weight: 500;
    margin: 0 0 8px 0;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-main:hover .card-title {
    color: var(--primary-color);
}

.card-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-item.doc-status {
    color: #52c41a;
}

.card-actions {
    display: flex;
    gap: 8px;
    margin-left: 15px;
    flex-shrink: 0;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-color);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-icon.danger:hover {
    background: var(--danger-color);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.empty-state i {
    font-size: 48px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 分页 */
.pagination {
    margin-top: 25px;
    text-align: center;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 8px 14px;
    margin: 0 3px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
}

.pagination a {
    background: var(--card-bg);
    color: var(--text-secondary);
    box-shadow: var(--shadow);
}

.pagination a:hover {
    background: var(--primary-color);
    color: #fff;
}

.pagination .current {
    background: var(--primary-color);
    color: #fff;
}

/* 旧版兼容 */
.history-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-item .item-main {
    flex: 1;
}

.history-item h4 {
    margin: 0 0 10px 0;
    font-size: 16px;
}

.history-item h4 a {
    color: var(--text-color);
    text-decoration: none;
}

.history-item h4 a:hover {
    color: var(--primary-color);
}

.item-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 13px;
}

.item-meta .time {
    color: var(--text-light);
}

.item-actions {
    display: flex;
    gap: 8px;
}

/* 底部 */
.pricing-footer {
    text-align: center;
    padding: 30px;
    color: var(--text-light);
    font-size: 13px;
}

.pricing-footer p {
    margin: 5px 0;
}

/* 关于页面 */
.about-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.about-section {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
}

.about-section:last-child {
    border-bottom: none;
}

.about-section h2 {
    font-size: 18px;
    margin: 0 0 20px 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-section h2 i {
    color: var(--primary-color);
}

.about-section p {
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0 0 15px 0;
}

.about-section ul {
    margin: 0 0 15px 0;
    padding-left: 20px;
    color: var(--text-secondary);
    line-height: 2;
}

.about-section a {
    color: var(--primary-color);
}

/* 流程步骤 */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.process-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 16px;
    margin: 0 0 8px 0;
}

.step-content p {
    margin: 0;
}

/* 使用场景 */
.use-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.use-case {
    background: var(--bg-color);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
}

.use-case i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.use-case h4 {
    font-size: 15px;
    margin: 0 0 8px 0;
}

.use-case p {
    font-size: 13px;
    margin: 0;
    color: var(--text-light);
}

/* 提示框 */
.notice-box {
    background: #fffbe6;
    border: 1px solid #ffe58f;
    border-radius: var(--radius);
    padding: 20px;
}

.notice-box p {
    margin: 0 0 10px 0;
}

.notice-box ul {
    margin: 0 0 15px 0;
}

.notice-box ul:last-child {
    margin-bottom: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    /* 移动端菜单 */
    .menu-toggle {
        display: block;
    }
    
    .header-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--card-bg);
        flex-direction: column;
        padding: 15px 20px;
        gap: 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .header-nav.show {
        display: flex;
    }
    
    .header-nav a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .header-nav a:last-child {
        border-bottom: none;
    }
    
    .header-right {
        display: none;
    }
    
    .pricing-intro {
        grid-template-columns: 1fr;
    }
    
    .action-section {
        grid-template-columns: 1fr;
    }
    
    .pricing-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        padding: 15px 30px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .quote-summary {
        flex-direction: column;
        gap: 20px;
    }
    
    .history-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .card-actions {
        margin-left: 0;
        width: 100%;
    }
    
    .quote-table {
        font-size: 12px;
    }
    
    .quote-table th,
    .quote-table td {
        padding: 8px 10px;
    }
    
    /* 关于页面响应式 */
    .use-cases {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .about-section {
        padding: 20px;
    }
}

/* ====== 上传页面样式 ====== */
.upload-container {
    max-width: 600px;
    margin: 40px auto;
    padding: 0 20px;
}

.upload-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 40px;
}

.upload-title {
    text-align: center;
    margin-bottom: 30px;
}

.upload-title h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
}

.upload-title p {
    color: #666;
    font-size: 14px;
}

.upload-container .upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: #fafafa;
}

.upload-container .upload-area:hover,
.upload-container .upload-area.dragover {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.upload-container .upload-area i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.upload-container .upload-area p {
    color: #666;
    margin-bottom: 8px;
}

.upload-container .upload-area .tips {
    font-size: 12px;
    color: #999;
}

.upload-container .upload-result {
    display: none;
    padding: 20px;
    background: #f0f7ff;
    border-radius: 12px;
    margin-top: 20px;
}

.upload-container .upload-result .file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.upload-container .upload-result .file-info i {
    font-size: 36px;
    color: var(--primary-color);
}

.upload-container .upload-result .file-name {
    flex: 1;
    font-weight: 500;
    color: #333;
    word-break: break-all;
}

.upload-container .upload-result .file-size {
    font-size: 12px;
    color: #999;
}

.upload-container .remove-btn {
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    font-size: 18px;
}

.upload-container .remove-btn:hover {
    color: var(--danger-color);
}

.upload-container .submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 30px;
    transition: all 0.3s;
}

.upload-container .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 144, 217, 0.4);
}

.upload-container .submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ====== 分析结果页面样式 ====== */
.result-container {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 20px;
}

.file-info-card {
    background: #f0f7ff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.file-info-card i {
    font-size: 36px;
    color: var(--primary-color);
}

.file-info-card .info {
    flex: 1;
}

.file-info-card .name {
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.file-info-card .project {
    font-size: 13px;
    color: #666;
}

.process-section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 20px;
    overflow: hidden;
}

.process-section h3 {
    background: #f8f9fa;
    padding: 15px 20px;
    margin: 0;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #eee;
}

.process-section h3 i {
    margin-right: 8px;
    color: var(--primary-color);
}

.thinking-box {
    padding: 20px;
    background: #fffef5;
    max-height: 200px;
    overflow-y: auto;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.result-box {
    padding: 20px;
    font-size: 14px;
    line-height: 1.8;
}

.result-box table {
    border-collapse: collapse;
    width: 100%;
    margin: 15px 0;
}

.result-box th,
.result-box td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
    vertical-align: top;
}

.result-box th {
    background: #f5f5f5;
    font-weight: 600;
}

.loading-text {
    color: #999;
    text-align: center;
    padding: 30px;
}

.loading-text i {
    margin-right: 8px;
}

.error-box {
    background: #fff5f5;
    border: 1px solid #ffccc7;
    border-radius: 8px;
    padding: 20px;
    color: #cf1322;
}

.status-message {
    text-align: center;
    padding: 15px;
    color: var(--danger-color);
    display: none;
}