/* 热土用户开发者文档样式 - MD2风格蓝色主题 */

:root {
    --primary-color: #1976D2;
    --primary-light: #42A5F5;
    --primary-dark: #1565C0;
    --primary-bg: #E3F2FD;
    
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-hint: #9E9E9E;
    
    --bg-color: #FAFAFA;
    --surface-color: #FFFFFF;
    --border-color: #E0E0E0;
    
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    
    --sidebar-width: 260px;
    --toc-width: 220px;
    --header-height: 60px;
    
    --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-color);
}

/* 顶部导航栏 */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--primary-color);
    color: white;
    z-index: 1000;
    box-shadow: var(--shadow-2);
}

.header-container {
    max-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.logo-link {
    text-decoration: none;
    color: white;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 500;
}

.header-nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

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

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

.btn-secondary {
    background: #f5f5f5;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 13px;
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

/* 主内容区域 */
.main-wrapper {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* 左侧导航 */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--surface-color);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.sidebar-search {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.sidebar-nav {
    padding: 12px 0;
}

.nav-group {
    margin-bottom: 8px;
}

.nav-group-title {
    padding: 8px 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-items {
    display: flex;
    flex-direction: column;
}

.nav-item {
    padding: 10px 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.nav-item.active {
    background: var(--primary-bg);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

/* 文档内容区域 */
.doc-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    margin-right: var(--toc-width);
    padding: 40px 60px;
    max-width: 900px;
}

.doc-page {
    display: none;
}

.doc-page.active {
    display: block;
}

.doc-header {
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.doc-title {
    font-size: 32px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.doc-meta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.doc-update {
    font-size: 13px;
    color: var(--text-secondary);
}

.doc-body {
    
}

.doc-section {
    margin-bottom: 40px;
}

.doc-section h2 {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-color);
}

.doc-section h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 24px 0 12px;
}

.doc-section h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 16px 0 8px;
}

.doc-section p {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.doc-section ul, .doc-section ol {
    margin: 12px 0;
    padding-left: 24px;
}

.doc-section li {
    margin-bottom: 8px;
}

.doc-section code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 14px;
    color: #d32f2f;
}

/* 右侧目录 */
.toc-sidebar {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: var(--toc-width);
    height: calc(100vh - var(--header-height));
    padding: 24px;
    overflow-y: auto;
}

.toc-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.toc-nav {
    
}

.toc-nav a {
    display: block;
    padding: 6px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s ease;
}

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

/* 表格样式 */
.doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-1);
}

.doc-table th {
    background: #f5f5f5;
    padding: 14px 16px;
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.doc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.doc-table tr:last-child td {
    border-bottom: none;
}

.doc-table tr:hover td {
    background: #fafafa;
}

.doc-table td.good {
    color: var(--success-color);
}

.doc-table td.warning {
    color: var(--warning-color);
}

.doc-table td.bad {
    color: var(--error-color);
}

/* API列表表格 */
.api-list-table {
    
}

.api-list-table td:first-child {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* 方法徽章 */
.method-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.method-badge.post {
    background: #E8F5E9;
    color: #2E7D32;
}

.method-badge.put {
    background: #FFF3E0;
    color: #EF6C00;
}

.method-badge.del {
    background: #FFEBEE;
    color: #C62828;
}

/* API详情卡片 */
.api-detail-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin: 20px 0;
    overflow: hidden;
}

.api-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
}

.api-path {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 16px;
    font-weight: 500;
}

.api-desc {
    padding: 16px 20px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.api-params, .api-response {
    padding: 20px;
}

.api-params h4, .api-response h4 {
    margin-top: 0;
}

/* 代码块 */
.code-block {
    background: #263238;
    border-radius: var(--radius-md);
    margin: 12px 0;
    overflow: hidden;
}

.code-title {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
}

.code-block pre {
    padding: 16px 20px;
    margin: 0;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.5;
    color: #ECEFF1;
    background: transparent;
    padding: 0;
}

/* 提示框 */
.doc-tip {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin: 16px 0;
}

.doc-tip strong {
    display: block;
    margin-bottom: 8px;
}

.tip-info {
    background: var(--primary-bg);
    border-left: 4px solid var(--primary-color);
    color: #1565C0;
}

.tip-warning {
    background: #FFF3E0;
    border-left: 4px solid var(--warning-color);
    color: #E65100;
}

.tip-warning ul {
    margin: 8px 0;
    padding-left: 20px;
}

.tip-warning li {
    margin-bottom: 4px;
}

/* 特性网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.feature-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.2s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-2);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    margin-top: 0;
}

.feature-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* 架构图 */
.architecture-diagram {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 20px 0;
}

.arch-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.arch-box {
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.arch-box.app {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.arch-box.proxy {
    background: #FFF3E0;
    color: #EF6C00;
}

.arch-box.core {
    background: #E8F5E9;
    color: #2E7D32;
}

.arch-arrow {
    font-size: 24px;
    color: var(--text-secondary);
}

.arch-desc {
    text-align: center;
    color: var(--text-secondary);
}

.arch-desc code {
    color: var(--primary-color);
}

/* 流程步骤 */
.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 20px 0;
}

.flow-step {
    display: flex;
    gap: 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
}

.step-num {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h4 {
    margin: 0 0 4px;
    font-size: 15px;
}

.step-content p {
    margin: 0;
    color: var(--text-secondary);
}

/* 时间线 */
.timeline {
    position: relative;
    margin: 20px 0;
}

.timeline-item {
    display: flex;
    gap: 20px;
    padding-bottom: 24px;
    position: relative;
}

.timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 32px;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-marker {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    z-index: 1;
}

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

.timeline-content p {
    margin: 0;
    color: var(--text-secondary);
}

.timeline-detail {
    margin-top: 12px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: var(--radius-sm);
}

.timeline-detail ul {
    margin: 0;
    padding-left: 20px;
}

/* 优势列表 */
.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.advantage-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.advantage-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.advantage-content h3 {
    margin: 0 0 4px;
    font-size: 15px;
}

.advantage-content p {
    margin: 0;
    color: var(--text-secondary);
}

/* 比较表格 */
.comparison-table {
    margin: 20px 0;
}

/* 场景网格 */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.scenario-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.scenario-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.scenario-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.scenario-card p {
    margin: 0 0 12px;
    color: var(--text-secondary);
}

.scenario-example {
    font-size: 13px;
    color: var(--text-hint);
}

/* 文档步骤 */
.doc-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.step-header {
    padding: 12px 16px;
    background: #f8f9fa;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.step-body {
    padding: 16px;
}

.step-body ul {
    margin: 0;
    padding-left: 20px;
}

/* API地址框 */
.api-address-box {
    display: flex;
    align-items: center;
    background: #263238;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.api-label {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.api-url {
    padding: 16px 20px;
    color: var(--primary-light);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* 示例卡片 */
.doc-example {
    margin: 16px 0;
}

.example-title {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* 功能列表 */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.feature-icon {
    font-size: 18px;
}

.feature-text {
    font-size: 14px;
}

/* 好示例和坏示例 */
.good-examples, .bad-examples {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.example-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.example-card.good {
    border-color: #A5D6A7;
}

.example-card.bad {
    border-color: #EF9A9A;
}

.example-card h4 {
    margin: 0;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
}

.example-card.good h4 {
    background: #E8F5E9;
    color: #2E7D32;
}

.example-card.bad h4 {
    background: #FFEBEE;
    color: #C62828;
}

.example-card .code-block {
    margin: 0;
    border-radius: 0;
}

.example-warning {
    padding: 12px 16px;
    background: #FFF3E0;
    color: #E65100;
    font-size: 13px;
}

/* FAQ列表 */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #f8f9fa;
    cursor: pointer;
}

.faq-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.faq-text {
    font-weight: 500;
}

.faq-answer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.faq-answer p {
    margin: 0;
}

/* 联系卡片 */
.contact-cards {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

.contact-card {
    flex: 1;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
}

.contact-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.contact-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.contact-card p {
    margin: 0;
    color: var(--text-secondary);
}

/* 页脚 */
.doc-footer {
    background: #263238;
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 60px;
    margin-left: var(--sidebar-width);
}

.footer-container {
    max-width: 900px;
}

.footer-links {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .toc-sidebar {
        display: none;
    }
    
    .doc-content {
        margin-right: 0;
    }
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .doc-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .feature-grid, .scenario-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cards {
        flex-direction: column;
    }
    
    .doc-footer {
        margin-left: 0;
        padding: 20px;
    }
}

@media (max-width: 600px) {
    .header-nav {
        display: none;
    }
    
    .doc-title {
        font-size: 24px;
    }
    
    .doc-section h2 {
        font-size: 20px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 代码块滚动条 */
.code-block::-webkit-scrollbar {
    height: 6px;
}

.code-block::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.code-block::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

/* 文档内链接样式 */
.doc-body a:not(.btn) {
    color: var(--primary-color);
    text-decoration: none;
}

.doc-body a:not(.btn):hover {
    text-decoration: underline;
}

/* 选中文字样式 */
::selection {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

/* 推荐和不推荐方式 */
.recommended-method {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 20px 0;
}

.recommended-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

.recommended-method h3 {
    margin: 0 0 8px;
    color: var(--primary-dark);
}

.recommended-method p {
    margin: 8px 0;
    color: var(--text-secondary);
}

.form-apply-btn {
    display: inline-block;
    background: var(--primary-color);
    color: white !important;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    font-weight: 500;
    margin: 16px 0;
    transition: all 0.2s ease;
}

.form-apply-btn:hover {
    background: var(--primary-dark);
    color: white !important;
    text-decoration: none !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.method-note {
    font-size: 13px;
    color: var(--text-hint);
    margin-top: 12px;
}

.not-recommended-method {
    background: #FFF8E1;
    border: 1px solid #FFB74D;
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 20px 0;
}

.not-recommended-badge {
    display: inline-block;
    background: #FF9800;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

.not-recommended-method h3 {
    margin: 0 0 8px;
    color: #E65100;
}

.not-recommended-method > p {
    margin: 8px 0;
    color: var(--text-secondary);
}

/* 成为开发者步骤样式 */
.dev-join-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 24px 0;
}

.join-step {
    display: flex;
    gap: 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
}

.join-step-num {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

.join-step-content {
    flex: 1;
}

.join-step-content h3 {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 500;
}

.join-step-content p {
    margin: 8px 0;
}

.join-step-content ul {
    margin: 8px 0;
    padding-left: 20px;
}

/* QQ群信息框 */
.qq-group-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 12px;
}

.qq-group-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.qq-group-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qq-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.qq-value {
    font-size: 14px;
    font-weight: 500;
}

.qq-value.highlight {
    color: var(--primary-color);
    background: var(--primary-bg);
    padding: 2px 8px;
    border-radius: 3px;
}

.qq-join-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white !important;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    font-weight: 500;
    transition: all 0.2s ease;
}

.qq-join-btn:hover {
    background: var(--primary-dark);
    color: white !important;
    text-decoration: none !important;
}

/* 条件框 */
.requirement-box {
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 12px;
}

.requirement-box h4 {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
}

.requirement-section {
    margin-bottom: 16px;
}

.requirement-section:last-child {
    margin-bottom: 0;
}

.requirement-section h5 {
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.requirement-section ul {
    margin: 0;
    padding-left: 20px;
}

.requirement-section li {
    margin-bottom: 4px;
    font-size: 14px;
}

.requirement-note {
    color: var(--text-secondary);
    font-size: 13px;
}

.requirement-warning {
    color: var(--warning-color);
    font-size: 13px;
}

/* 材料列表 */
.material-list {
    background: #f8f9fa;
    padding: 16px;
    border-radius: var(--radius-sm);
    margin: 12px 0;
}

/* 联系卡片链接 */
.contact-link {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white !important;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    font-size: 13px;
    transition: all 0.2s ease;
}

.contact-link:hover {
    background: var(--primary-dark);
    color: white !important;
    text-decoration: none !important;
}

/* 必填/可选徽章 */
.required-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #FFEBEE;
    color: #C62828;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 500;
}

.optional-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #E8F5E9;
    color: #2E7D32;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 500;
}

/* URL分解列表 */
.url-breakdown {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
    padding: 16px;
    background: #f8f9fa;
    border-radius: var(--radius-sm);
}

.breakdown-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.breakdown-label {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 13px;
    color: var(--primary-color);
    background: var(--primary-bg);
    padding: 4px 10px;
    border-radius: 3px;
    white-space: nowrap;
}

.breakdown-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 弃用标记 */
.deprecated-text {
    color: #FF5722;
    font-size: 12px;
    font-weight: 500;
    text-decoration: line-through;
}