/* ============================================
   音响 - 专业音响设备工程解决方案
   www.ciqishoucang.cn
   API文档风格样式表
   ============================================ */

/* CSS变量 */
:root {
  --accent-color: #00bcd4;
  --accent-dark: #0097a7;
  --accent-light: #b2ebf2;
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-muted: #9e9e9e;
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-code: #263238;
  --border-color: #e0e0e0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --header-height: 64px;
  --sidebar-width: 280px;
}

/* 重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* ============================================
   布局
   ============================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-wrapper {
  display: flex;
  min-height: calc(100vh - var(--header-height));
}

.main-content {
  flex: 1;
  min-width: 0;
  padding: 32px 0;
}

.sidebar {
  width: var(--sidebar-width);
  padding: 32px 24px 32px 0;
  border-right: 1px solid var(--border-color);
}

/* ============================================
   页头
   ============================================ */

.header {
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.header-search {
  position: relative;
}

.header-search input {
  width: 240px;
  height: 36px;
  padding: 0 36px 0 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--bg-secondary);
}

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

.header-search button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
}

/* ============================================
   Hero区域
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--accent-light) 100%);
  padding: 64px 0;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero .subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================
   快速开始
   ============================================ */

.quick-start {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
}

.quick-start h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.code-block {
  background: var(--bg-code);
  color: #aed581;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
  font-size: 13px;
  overflow-x: auto;
}

.code-block .comment {
  color: #90a4ae;
}

/* ============================================
   端点导航（侧边栏）
   ============================================ */

.sidebar-nav h3 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-left: 12px;
}

.sidebar-nav ul {
  margin-bottom: 24px;
}

.sidebar-nav li {
  margin-bottom: 4px;
}

.sidebar-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--accent-light);
  color: var(--accent-dark);
}

/* ============================================
   端点卡片
   ============================================ */

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.endpoint-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.endpoint-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: box-shadow 0.2s;
}

.endpoint-card:hover {
  box-shadow: var(--shadow-md);
}

.endpoint-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

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

/* ============================================
   端点列表
   ============================================ */

.endpoint-list {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.endpoint-item {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s;
}

.endpoint-item:last-child {
  border-bottom: none;
}

.endpoint-item:hover {
  background: var(--bg-secondary);
}

.endpoint-method {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  margin-right: 16px;
}

.endpoint-method.get {
  background: #e3f2fd;
  color: #1976d2;
}

.endpoint-method.post {
  background: #e8f5e9;
  color: #388e3c;
}

.endpoint-method.put {
  background: #fff3e0;
  color: #f57c00;
}

.endpoint-method.delete {
  background: #ffebee;
  color: #d32f2f;
}

.endpoint-path {
  font-family: "SF Mono", Monaco, monospace;
  font-size: 14px;
  color: var(--text-primary);
  flex: 1;
}

.endpoint-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 16px;
}

.endpoint-status {
  display: flex;
  gap: 6px;
}

.status-badge {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-muted);
}

/* ============================================
   面包屑
   ============================================ */

.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

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

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

.breadcrumb li:not(:last-child)::after {
  content: ">";
  margin-left: 8px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--accent-color);
}

/* ============================================
   文章详情
   ============================================ */

.article-header {
  margin-bottom: 32px;
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.article-header .lead {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.article-section {
  margin-bottom: 32px;
}

.article-section h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.article-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text-primary);
}

.article-section p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* 参数表格 */
.params-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.params-table th,
.params-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
}

.params-table th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.params-table td {
  color: var(--text-secondary);
}

.params-table code {
  font-family: "SF Mono", Monaco, monospace;
  font-size: 12px;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  color: var(--accent-dark);
}

.param-required {
  color: #d32f2f;
  font-size: 11px;
  font-weight: 600;
}

.param-optional {
  color: var(--text-muted);
  font-size: 11px;
}

/* 响应预览 */
.response-preview {
  background: var(--bg-code);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.response-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.response-status {
  font-size: 13px;
  font-weight: 600;
  color: #81c784;
}

.response-body {
  padding: 16px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 13px;
  color: #aed581;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* 错误列表 */
.error-list {
  list-style: disc;
  padding-left: 20px;
}

.error-list li {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.error-list code {
  font-family: "SF Mono", Monaco, monospace;
  font-size: 12px;
  padding: 2px 6px;
  background: #ffebee;
  border-radius: var(--radius-sm);
  color: #d32f2f;
}

/* ============================================
   推荐文章
   ============================================ */

.recommended-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.recommended-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.recommended-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-color);
}

.recommended-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recommended-col li {
  font-size: 13px;
}

.recommended-col a {
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.recommended-col a::before {
  content: "•";
  color: var(--accent-color);
  font-weight: bold;
}

.recommended-col a:hover {
  color: var(--accent-color);
}

/* 两列推荐 */
.recommended-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* ============================================
   页脚
   ============================================ */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
  margin-top: 48px;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer p {
  font-size: 13px;
  color: var(--text-muted);
}

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

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-color);
}

/* ============================================
   404页面
   ============================================ */

.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 200px);
  text-align: center;
  padding: 48px 24px;
}

.error-code {
  font-size: 120px;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

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

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

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

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }

  .recommended-grid {
    grid-template-columns: 1fr;
  }

  .recommended-two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .container {
    padding: 0 16px;
  }

  .header .container {
    flex-wrap: wrap;
  }

  .main-nav {
    display: none;
  }

  .header-search input {
    width: 160px;
  }

  .hero {
    padding: 40px 0;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero .subtitle {
    font-size: 16px;
  }

  .hero-meta {
    flex-direction: column;
    gap: 8px;
  }

  .endpoint-grid {
    grid-template-columns: 1fr;
  }

  .endpoint-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .endpoint-method {
    margin-right: 8px;
  }

  .endpoint-desc {
    width: 100%;
    margin-right: 0;
    margin-top: 4px;
  }

  .article-header h1 {
    font-size: 24px;
  }

  .params-table {
    display: block;
    overflow-x: auto;
  }

  .error-code {
    font-size: 80px;
  }

  .footer .container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .endpoint-status {
    display: none;
  }

  .error-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
  }

  .btn {
    width: 100%;
  }
}