/* w.qun111qun.xyz 资源导航 — 前台样式 */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #f59e0b;
  --color-bg: #f1f5f9;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --radius-lg: 12px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --pan-quark: #6366f1;
  --pan-baidu: #2932e1;
  --pan-uc: #ff6a00;
  --header-h: 56px;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

/* 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

.search-wrap {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.search-wrap input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  background: var(--color-bg);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-wrap input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  background: #fff;
}

.search-kbd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  padding: 2px 8px;
  font-size: 11px;
  font-family: inherit;
  color: var(--color-muted);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  pointer-events: none;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 14px;
  pointer-events: none;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-muted);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  text-decoration: none;
}

/* 主内容 */
.main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* 数据条 — 参考夸夸盘搜「收录量」+ 青羽「每日更新」 */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 40px;
  padding: 16px 24px;
  margin-bottom: 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.stat-item {
  text-align: center;
}

.stat-item .num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

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

/* Hero */
.hero {
  text-align: center;
  padding: 32px 20px 40px;
  background: linear-gradient(180deg, #fff 0%, var(--color-bg) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 16px;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  text-decoration: none;
}

/* 热门横滑 — 参考 AICG百科 / AIToolsNav「热门推荐」 */
.hot-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin: 0 -4px 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.hot-scroll::-webkit-scrollbar {
  height: 4px;
}

.hot-card {
  flex: 0 0 200px;
  scroll-snap-align: start;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.hot-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  text-decoration: none;
}

.hot-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 10px;
}

.hot-card h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hot-card p {
  margin: 0;
  font-size: 12px;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 紧凑图标卡片 — 参考 AIToolsNav 工具格 */
.compact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.compact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 10px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, box-shadow 0.15s;
}

.compact-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.compact-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 8px;
}

.compact-card span {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 区块标题 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-more {
  font-size: 14px;
  color: var(--color-muted);
}

.section {
  margin-bottom: 40px;
}

/* 每日更新 — 时间线 */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

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

.timeline-item:hover {
  background: rgba(37, 99, 235, 0.04);
  text-decoration: none;
}

.timeline-date {
  text-align: right;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.4;
}

.timeline-date .day {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-accent);
}

.timeline-body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.timeline-body p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 标签 */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 2px 10px;
  font-size: 12px;
  background: var(--color-bg);
  border-radius: 4px;
  color: var(--color-muted);
}

/* 资源卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.resource-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #e0e7ff, #fce7f3);
  overflow: hidden;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pan-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
}

.pan-badge.quark { background: var(--pan-quark); }
.pan-badge.baidu { background: var(--pan-baidu); }
.pan-badge.uc { background: var(--pan-uc); }

.card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-body p {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--color-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-muted);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  text-decoration: none;
  color: #fff;
}

.btn-outline {
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.load-more-wrap {
  text-align: center;
  margin-top: 24px;
}

/* 页脚 */
.site-footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

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

.footer-links a {
  color: var(--color-muted);
  font-size: 14px;
}

.footer-note {
  font-size: 12px;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* 分类页双栏 — 参考 AICG百科 左侧锚点导航 */
.category-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: start;
}

.category-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.category-sidebar a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-muted);
  text-decoration: none;
}

.category-sidebar a:hover,
.category-sidebar a.active {
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
}

/* ========== 分类页 ========== */
.page-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 20px;
  -webkit-overflow-scrolling: touch;
}

.page-tabs a {
  flex-shrink: 0;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
  text-decoration: none;
}

.page-tabs a.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.filter-bar label {
  font-size: 13px;
  color: var(--color-muted);
}

.filter-bar select {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
}

/* ========== 详情页 ========== */
.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.detail-main {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.detail-cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #dbeafe, #ede9fe);
}

.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-content {
  padding: 24px;
}

.detail-content h1 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.35;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--color-muted);
}

.detail-prose {
  font-size: 15px;
  line-height: 1.8;
  color: #334155;
}

.detail-prose h2 {
  font-size: 18px;
  margin: 24px 0 12px;
}

.detail-prose ul {
  padding-left: 20px;
}

.detail-sidebar {
  position: sticky;
  top: 80px;
}

.cta-box {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.cta-box .btn-primary {
  width: 100%;
  padding: 14px;
  font-size: 16px;
}

.cta-hint {
  margin-top: 12px;
  font-size: 12px;
  color: var(--color-muted);
}

.related-list {
  margin-top: 24px;
}

.related-list h3 {
  font-size: 16px;
  margin: 0 0 12px;
}

.related-item {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
}

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

/* 移动端 sticky 领取条 */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  z-index: 99;
}

.mobile-cta-bar .btn-primary {
  width: 100%;
}

/* ========== 搜索页 ========== */
.search-result-count {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.search-highlight {
  background: rgba(245, 158, 11, 0.25);
  padding: 0 2px;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--color-muted);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

/* 响应式 */
@media (max-width: 768px) {
  .search-kbd {
    display: none;
  }

  .category-layout {
    grid-template-columns: 1fr;
  }

  .category-sidebar {
    display: none;
  }

  .compact-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav-links {
    display: none;
  }

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

  .search-wrap {
    order: 3;
    max-width: none;
    width: 100%;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-sidebar .cta-box {
    display: none;
  }

  .mobile-cta-bar {
    display: block;
  }

  .main {
    padding-bottom: 80px;
  }

  .timeline-item {
    grid-template-columns: 56px 1fr;
  }
}