/* 博客基础设计系统与布局样式 */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-muted: #f1f5f9;
  --text: #0f172a;
  --text-muted: #475569;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff6ff;
  --accent: #0ea5e9;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --warning: #d97706;
  --warning-soft: #fffbeb;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.06);
  --radius: 12px;
  --max-width: 1220px;
}

html[data-theme="dark"] {
  --bg: #0b1120;
  --surface: #111827;
  --surface-muted: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #1e293b;
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-soft: rgba(59, 130, 246, 0.14);
  --accent: #38bdf8;
  --success: #4ade80;
  --success-soft: rgba(34, 197, 94, 0.14);
  --warning: #fbbf24;
  --warning-soft: rgba(245, 158, 11, 0.14);
  --code-bg: #020617;
  --code-text: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: background-color 0.15s, color 0.15s;
}

.nav-link:hover,
.nav-link.active {
  background-color: var(--primary-soft);
  color: var(--primary);
}

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

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 200px;
  padding: 7px 12px 7px 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--surface-muted);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, width 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  width: 240px;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}

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

/* Hero 区域 */
.hero {
  margin: 28px 0 24px;
  padding: 32px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--primary-soft) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background-color: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  max-width: 620px;
  color: var(--text-muted);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
}

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

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

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

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

.btn-sm {
  padding: 5px 11px;
  font-size: 12px;
  border-radius: 7px;
}

.brand-quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brand-quick-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background-color: var(--surface-muted);
  font-size: 13px;
  transition: background-color 0.15s;
}

.brand-quick-item:hover {
  background-color: var(--primary-soft);
}

.brand-quick-name {
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 14px 16px;
  border-radius: 10px;
  background-color: var(--surface);
  border: 1px solid var(--border);
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* 首页主推品牌推广横幅 */
.promo-banner {
  margin: 26px 0 34px;
  padding: 20px 24px;
  border-radius: 14px;
  border: 1.5px solid color-mix(in srgb, #f59e0b 60%, var(--border));
  background: linear-gradient(135deg, var(--surface) 0%, color-mix(in srgb, #f59e0b 11%, var(--surface)) 100%);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.promo-banner-main {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex: 1 1 560px;
}

.promo-banner-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.promo-banner-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.promo-banner-meta {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.promo-banner-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* 推荐对比速览表 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.section-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.table-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table th,
.data-table td:nth-child(1),
.data-table td:nth-child(3),
.data-table td:nth-child(4),
.data-table td:nth-child(6) {
  white-space: nowrap;
}

.data-table td {
  line-height: 1.55;
}

.data-table td:nth-child(1) {
  min-width: 240px;
}

.data-table td:nth-child(2) {
  min-width: 215px;
}

.data-table th:nth-child(4),
.data-table td:nth-child(4) {
  text-align: center;
}

.data-table td:nth-child(5) {
  min-width: 230px;
}

.data-table th:nth-child(6),
.data-table td:nth-child(6) {
  text-align: right;
}

.brand-cell-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background-color: #ffffff;
  object-fit: cover;
  overflow: hidden;
}

.brand-logo-fallback {
  background: linear-gradient(135deg, var(--primary-soft), var(--surface-muted));
  color: var(--primary);
  font-weight: 800;
}

.brand-logo-xs {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  font-size: 11px;
}

.brand-logo-sm {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  font-size: 12px;
}

.brand-logo-md {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 15px;
}

.brand-logo-lg {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  font-size: 18px;
}

.recommend-card.is-spotlight .brand-logo-lg,
.review-card.is-spotlight .brand-logo-lg {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  font-size: 20px;
}

.recommend-brand-wrap,
.quick-featured-head,
.sidebar-brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-cell-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.brand-cell-badges {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.data-table th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background-color: var(--surface-muted);
  font-weight: 600;
}

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

.data-table tbody tr:hover {
  background-color: color-mix(in srgb, var(--primary-soft) 45%, transparent);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  background-color: var(--surface-muted);
  color: var(--text-muted);
}

.tag-primary {
  background-color: var(--primary-soft);
  color: var(--primary);
}

.tag-success {
  background-color: var(--success-soft);
  color: var(--success);
}

.tag-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  border: 1px solid #d97706;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.28);
}

.score-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--primary);
}

/* 主内容两栏布局 */
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

/* 分类筛选栏 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.filter-pill {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-pill.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* 文章列表卡片 */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.post-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--primary) 50%, var(--border));
  box-shadow: var(--shadow-md);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.post-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

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

.post-excerpt {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 14px;
}

.post-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

/* 侧边栏 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 84px;
}

.widget {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.widget-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.popular-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.popular-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
}

.popular-rank {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background-color: var(--surface-muted);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.popular-item:first-child .popular-rank {
  background-color: var(--primary-soft);
  color: var(--primary);
}

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

/* 文章详情页布局 */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 28px;
  align-items: start;
  margin: 28px 0 56px;
}

.article-container {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.article-header h1 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.35;
}

.article-prose h2 {
  margin: 28px 0 12px;
  font-size: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.article-prose h3 {
  margin: 20px 0 10px;
  font-size: 17px;
}

.article-prose p {
  margin: 0 0 14px;
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 16px;
  padding-left: 22px;
}

.article-prose li {
  margin-bottom: 6px;
}

.article-table-wrap {
  margin: 18px 0;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 560px;
}

.article-table th,
.article-table td {
  padding: 10px 13px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.article-table th {
  background-color: var(--surface-muted);
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

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

.callout {
  padding: 14px 16px;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
  background-color: var(--primary-soft);
  margin: 18px 0;
  font-size: 14px;
}

.callout.warning {
  border-left-color: var(--warning);
  background-color: var(--warning-soft);
}

.code-block {
  position: relative;
  margin: 18px 0;
  border-radius: 10px;
  overflow: hidden;
  background-color: var(--code-bg);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background-color: rgba(255, 255, 255, 0.06);
  color: #94a3b8;
  font-size: 12px;
}

.copy-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e2e8f0;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
}

.copy-btn:hover {
  border-color: #60a5fa;
  color: #ffffff;
}

.code-block pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  color: var(--code-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
}

.pros-cons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.pros-box,
.cons-box {
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.pros-box {
  background-color: var(--success-soft);
}

.cons-box {
  background-color: var(--warning-soft);
}

.pros-box h4,
.cons-box h4 {
  margin: 0 0 8px;
  font-size: 14px;
}

/* TOC 侧边目录 */
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-link {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 8px;
  border-left: 2px solid transparent;
  transition: all 0.15s;
}

.toc-link:hover,
.toc-link.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background-color: var(--primary-soft);
  border-radius: 0 6px 6px 0;
}

/* 推荐卡片与多列网格 */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}

.recommend-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.recommend-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  box-shadow: var(--shadow-md);
}

.recommend-card.is-top {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  background: linear-gradient(180deg, var(--surface) 0%, color-mix(in srgb, var(--primary-soft) 35%, var(--surface)) 100%);
}

.recommend-card.is-spotlight,
.review-card.is-spotlight {
  grid-column: 1 / -1;
  border-color: color-mix(in srgb, #f59e0b 60%, var(--border));
  background: linear-gradient(135deg, var(--surface) 0%, color-mix(in srgb, #f59e0b 10%, var(--surface)) 100%);
}

.recommend-card.is-spotlight .recommend-head h3,
.review-card.is-spotlight .recommend-head h3 {
  font-size: 22px;
}

.recommend-card.is-spotlight .spec-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.recommend-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.recommend-head h3 {
  margin: 4px 0 0;
  font-size: 18px;
}

.score-badge {
  padding: 6px 12px;
  border-radius: 10px;
  background-color: var(--primary-soft);
  color: var(--primary);
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}

.spec-list {
  list-style: none;
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  font-size: 13px;
}

.spec-list li span {
  color: var(--text-muted);
  display: block;
  font-size: 12px;
}

.spec-list li.spec-full {
  grid-column: 1 / -1;
}

.recommend-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hidden {
  display: none !important;
}

/* 节点评测模板卡片与填表预览器 */
.review-template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.review-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.review-meta-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background-color: var(--surface-muted);
  font-size: 13px;
}

.review-meta-strip span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.review-region-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.review-region-table th,
.review-region-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.review-region-table th {
  font-size: 12px;
  color: var(--text-muted);
  background-color: var(--surface-muted);
  font-weight: 600;
}

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

.region-code-pill {
  display: inline-block;
  min-width: 26px;
  text-align: center;
  padding: 1px 5px;
  border-radius: 5px;
  background-color: var(--primary-soft);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  margin-right: 6px;
}

.review-builder {
  margin-bottom: 24px;
}

.builder-top-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.builder-regions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.builder-region-row {
  display: grid;
  grid-template-columns: 88px 1fr 1fr;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--surface-muted);
}

.builder-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.builder-input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.builder-input:focus {
  border-color: var(--primary);
}

/* FAQ 手风琴组件 */
.faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.faq-toolbar .filter-bar {
  margin-bottom: 0;
}

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

.faq-search-input {
  width: 260px;
  max-width: 100%;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.faq-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
}

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

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 20px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 15px;
  font-weight: 600;
}

.faq-trigger:hover {
  color: var(--primary);
}

.faq-icon {
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-panel {
  display: none;
  padding: 14px 20px 18px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  border-top: 1px solid var(--border);
}

.faq-panel p {
  margin: 0;
  color: var(--text);
}

.faq-points {
  margin: 10px 0 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.faq-tip {
  margin-top: 12px;
  padding: 10px 13px;
  border-radius: 8px;
  border-left: 3px solid var(--primary);
  background-color: var(--primary-soft);
  color: var(--text);
  font-size: 13px;
}

.faq-item.open .faq-panel {
  display: block;
}

/* 关于与说明页卡片 */
.prose-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.prose-card h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

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

.prose-card p:last-child {
  margin-bottom: 0;
}

.prose-card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.prose-card-head h2 {
  margin: 0;
}

.prose-list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prose-list li strong {
  color: var(--text);
}

.prose-note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background-color: var(--surface-muted);
  font-size: 13.5px;
  color: var(--text-muted);
}

/* 移动端导航抽屉 */
.mobile-menu-btn {
  display: none;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  background-color: var(--surface);
  padding: 10px 20px 14px;
}

.mobile-nav.open {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 页脚（四栏布局） */
.site-footer {
  border-top: 1px solid var(--border);
  background-color: var(--surface);
  padding: 40px 0 24px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.footer-brand-desc {
  margin: 12px 0 14px;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  font-size: 12px;
}

.empty-state {
  padding: 36px 20px;
  text-align: center;
  background-color: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
}

/* 锚点跳转避让吸顶导航栏 */
[id] {
  scroll-margin-top: 84px;
}

/* 右侧快捷浏览悬浮导航栏 */
.quick-dock {
  position: fixed;
  right: 20px;
  top: 88px;
  width: 232px;
  max-height: calc(100vh - 108px);
  z-index: 45;
  display: flex;
  flex-direction: column;
}

.quick-dock-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 108px);
  overflow: hidden;
}

.quick-dock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background-color: var(--surface-muted);
  font-size: 13px;
  font-weight: 700;
}

.quick-dock-toggle {
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
}

.quick-dock-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.quick-dock-body {
  padding: 12px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quick-featured-box {
  padding: 12px;
  border-radius: 10px;
  border: 1.5px solid color-mix(in srgb, #f59e0b 65%, var(--border));
  background: linear-gradient(135deg, var(--surface) 0%, color-mix(in srgb, #f59e0b 14%, var(--surface)) 100%);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quick-featured-badges {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.quick-featured-name {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}

.quick-featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.quick-featured-meta span {
  padding: 2px 7px;
  border-radius: 6px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
}

.quick-featured-desc {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.quick-featured-cta {
  width: 100%;
  justify-content: center;
  padding: 8px 10px;
  font-size: 13px;
}

.quick-section-title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.quick-anchor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.quick-pill-link {
  display: block;
  padding: 5px 8px;
  border-radius: 7px;
  background-color: var(--surface-muted);
  color: var(--text);
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background-color 0.15s, color 0.15s;
}

.quick-pill-link:hover,
.quick-pill-link.active {
  background-color: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

.quick-brand-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.quick-brand-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 7px;
  font-size: 12px;
  color: var(--text);
  background-color: transparent;
  transition: background-color 0.15s, color 0.15s;
}

.quick-brand-link:hover {
  background-color: var(--primary-soft);
  color: var(--primary);
}

.quick-brand-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quick-gold-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background-color: #f59e0b;
  flex-shrink: 0;
}

.quick-dock-fab {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 45;
  display: none;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background-color: var(--primary);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.quick-dock-fab:hover {
  background-color: var(--primary-hover);
}

.quick-dock.is-collapsed .quick-dock-card {
  display: none;
}

.quick-dock.is-collapsed .quick-dock-fab {
  display: inline-flex;
}

@media (max-width: 1759px) and (min-width: 1680px) {
  .quick-dock {
    width: 208px;
    right: 12px;
  }
}

@media (max-width: 1679px) {
  .quick-dock {
    top: auto;
    bottom: 76px;
    width: 240px;
  }

  .quick-dock .quick-dock-card {
    display: none;
  }

  .quick-dock .quick-dock-fab {
    display: inline-flex;
  }

  .quick-dock.is-drawer-open .quick-dock-card {
    display: flex;
  }
}

/* 响应式 */
@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .main-grid,
  .article-layout,
  .recommend-grid,
  .review-template-grid,
  .builder-top-grid,
  .builder-regions-grid {
    grid-template-columns: 1fr;
  }

  .recommend-card.is-spotlight .spec-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar {
    position: static;
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .search-input {
    width: 130px;
  }

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

  .hero {
    padding: 22px;
  }

  .hero h1,
  .article-header h1 {
    font-size: 22px;
  }

  .article-container,
  .prose-card {
    padding: 20px;
  }

  .faq-actions {
    width: 100%;
  }

  .faq-search-input {
    width: auto;
    flex: 1;
    min-width: 160px;
  }

  .spec-list,
  .recommend-card.is-spotlight .spec-list,
  .review-meta-strip,
  .builder-region-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}