/**
 * 站点导航 · Bento / Glass 卡片矩阵（与 home_modern / ai_theme 色系对齐）
 * 作用域：.sitemap-modern
 */

.sitemap-modern .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sitemap-modern {
  --sm-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --sm-text: #0f172a;
  --sm-muted: #64748b;
  --sm-line: rgba(15, 23, 42, 0.08);
  --sm-card-bg: var(--color-surface-raised, #ffffff);
  --sm-card-border: var(--color-border, #e2e8f0);
  --sm-shadow: none;
  --sm-radius-card: 24px;
  --sm-radius-link: 8px;
  font-family: var(--sm-font);
  color: var(--sm-text);
  padding: 8px 0 12px;
}

.sitemap-modern__title {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sm-text);
}

.sitemap-modern__lead {
  margin: 0 0 20px;
  font-size: 13px;
  color: var(--sm-muted);
  max-width: 62ch;
}

/* ---------- 六大类快速跳转 ---------- */
.sitemap-cat-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--color-surface-subtle, #f1f5f9);
  border: 1px solid var(--sm-line);
}

.sitemap-cat-jump__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  color: #475569;
  margin-right: 4px;
}

.sitemap-cat-jump a {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #334155 !important;
  text-decoration: none !important;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.35);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.sitemap-cat-jump a:hover,
.sitemap-cat-jump a:focus-visible {
  background: rgba(30, 58, 138, 0.08);
  border-color: rgba(30, 58, 138, 0.2);
  color: #1e3a8a !important;
}

/* ---------- 卡片内子分类 ---------- */
.sitemap-subsection {
  margin-top: 14px;
}

.sitemap-subsection:first-child {
  margin-top: 0;
}

.sitemap-subsection__title {
  margin: 0 0 8px;
  padding: 0 0 0 10px;
  border: 1px solid rgba(30, 58, 138, 0.2);
  border-radius: var(--radius-sm, 8px);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  color: #475569;
  line-height: 1.35;
}

/* ---------- 顶栏：搜索 + A–Z ---------- */
.sitemap-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 22px;
}

.sitemap-search-wrap {
  position: relative;
}

.sitemap-search {
  width: 100%;
  min-height: 48px;
  padding: 0 16px 0 44px;
  border-radius: 14px;
  border: 1px solid var(--sm-line);
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  font-size: 14px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
}

.sitemap-search:focus {
  outline: 2px solid var(--color-accent, #1e3a8a);
  outline-offset: 1px;
}

.sitemap-search-wrap::before {
  content: "\f002";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: #94a3b8;
  pointer-events: none;
}

.sitemap-az {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 2px;
  border-radius: 14px;
  background: var(--color-surface-subtle, #f1f5f9);
  border: 1px solid var(--sm-line);
}

.sitemap-az__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-right: 6px;
}

.sitemap-az a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  color: #475569;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.sitemap-az a:hover,
.sitemap-az a:focus-visible {
  background: rgba(30, 58, 138, 0.08);
  color: #1e3a8a;
}

.sitemap-az a.is-active {
  background: var(--color-info-bg, #eff6ff);
  border-color: var(--color-info-border, #bfdbfe);
  color: #1e3a8a;
}

.sitemap-az a.is-dim {
  opacity: 0.35;
  pointer-events: none;
}

/* ---------- Bento 网格 ---------- */
.sitemap-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 640px) {
  .sitemap-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .sitemap-bento {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1400px) {
  .sitemap-bento {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 大类卡片：玻璃 + 弥散阴影 */
.sitemap-card {
  border-radius: var(--sm-radius-card);
  background: var(--sm-card-bg);
  border: 1px solid var(--sm-card-border);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 18px 18px 16px;
  scroll-margin-top: 88px;
  transition: border-color 0.15s ease;
}

.sitemap-card:hover {
  border-color: var(--color-border-strong, #cbd5e1);
}

.sitemap-card__header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.sitemap-card__icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
}

.sitemap-card__icon--code {
  background: #4338ca;
}
.sitemap-card__icon--security {
  background: #b45309;
}
.sitemap-card__icon--seo {
  background: #0f766e;
}
.sitemap-card__icon--life {
  background: #be185d;
}
.sitemap-card__icon--convert {
  background: #0369a1;
}
.sitemap-card__icon--ai {
  background: #6d28d9;
}

.sitemap-card__head-text {
  min-width: 0;
}

.sitemap-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sitemap-card__desc {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--sm-muted);
  line-height: 1.45;
}

/* 链接区：flex 平铺 + hover */
.sitemap-link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sitemap-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--sm-radius-link);
  font-size: 12.5px;
  font-weight: 500;
  color: #334155 !important;
  text-decoration: none !important;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.sitemap-link:hover,
.sitemap-link:focus-visible {
  background: rgba(15, 23, 42, 0.06);
  border-color: rgba(15, 23, 42, 0.06);
}

.sitemap-link.is-muted {
  opacity: 0.38;
  pointer-events: none;
}

.sitemap-link mark {
  background: rgba(250, 204, 21, 0.45);
  color: inherit;
  padding: 0 2px;
  border-radius: 3px;
}

/* 微型 Badge */
.sitemap-badge {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.4;
  flex-shrink: 0;
}

.sitemap-badge--pro {
  color: var(--color-warning-text, #78350f);
  border: 1px solid var(--color-warning-border, #fcd34d);
  background: var(--color-warning-bg, #fffbeb);
}

.sitemap-badge--hot {
  color: #9f1239;
  border: 1px solid rgba(251, 113, 133, 0.45);
  background: rgba(255, 228, 230, 0.95);
}

.sitemap-badge--new {
  color: #1e40af;
  border: 1px solid rgba(147, 197, 253, 0.7);
  background: rgba(219, 234, 254, 0.95);
}

.sitemap-link__label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

@media (max-width: 480px) {
  .sitemap-link__label {
    max-width: 160px;
  }
}