/* ============================================================
   思想潮 sixiangchao.net — 权威杂志风导航
   红主墨蓝辅 · 奶白底近纯白 · Instrument Serif + Inter + Noto Serif SC
   ============================================================ */

:root {
  --bg: #FCFCFA;            /* 全站底色：接近纯白 */
  --surface: #FFFFFF;       /* 卡片面 */
  --surface-soft: #F6F5F1;  /* 更深一档的软面 */
  --accent: #9E1B1B;        /* 主红 */
  --accent-deep: #7A1414;
  --accent-navy: #1B2A4A;   /* 墨蓝辅 */
  --ink: #1A1A1A;           /* 主文字 */
  --ink-2: #4A4A46;         /* 次级文字 */
  --ink-3: #8A8A84;         /* 弱文字 */
  --hairline: #E8E6E0;      /* 发丝线 */
  --shadow-sm: 0 1px 2px rgba(26, 26, 26, .04), 0 2px 8px rgba(26, 26, 26, .04);
  --shadow-md: 0 2px 6px rgba(26, 26, 26, .06), 0 8px 24px rgba(26, 26, 26, .08);
  --radius: 10px;
  --radius-lg: 14px;
  --maxw: 1344px;
  --serif: "Instrument Serif", "Noto Serif SC", "Songti SC", serif;
  --sans: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

body.dark {
  --bg: #14140F;
  --surface: #1D1D18;
  --surface-soft: #23231E;
  --accent: #C43A3A;
  --accent-deep: #A32B2B;
  --accent-navy: #93A5C8;
  --ink: #ECEAE2;
  --ink-2: #B5B3A8;
  --ink-3: #7C7A70;
  --hairline: #2E2E28;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .2), 0 2px 8px rgba(0, 0, 0, .24);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .36);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection { background: rgba(158, 27, 27, .14); }

/* ============ 顶部导航 ============ */

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 252, 250, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
  box-shadow: var(--shadow-sm);
}
body.dark #site-header { background: rgba(20, 20, 15, .92); }

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 64px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark { display: flex; align-items: center; }
.brand-mark svg { display: block; }
.brand-text {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.nav-link {
  position: relative;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 6px;
  transition: color .15s ease;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--accent); font-weight: 600; }
/* 快捷入口（子分类直达）：视觉弱一档，前置竖线与板块区分 */
.nav-quick { color: var(--accent-navy); font-size: 13px; }
.nav-quick::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent-navy);
  opacity: .5;
  margin-right: 5px;
  vertical-align: 2px;
}
.nav-quick.active { color: var(--accent); }
/* 锚点跳转避开 sticky 头部遮挡 */
.category, .subcat { scroll-margin-top: 84px; }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.theme-toggle {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  color: var(--ink-2);
  font-size: 15px;
  transition: all .15s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* 顶部导航：我的收藏（文字按钮） */
.nav-fav-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .15s ease;
}
.nav-fav-btn svg { flex-shrink: 0; }
.nav-fav-btn:hover { color: var(--accent); border-color: var(--accent); }
.nav-fav-btn.active { color: #FFF; background: var(--accent); border-color: var(--accent); }
.nav-fav-count {
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 99px;
  background: var(--accent);
  color: #FFF;
  font-size: 10.5px;
  font-weight: 700;
  line-height: 17px;
  text-align: center;
}
.nav-fav-btn.active .nav-fav-count { background: #FFF; color: var(--accent); }

/* 小屏：收藏按钮只显示文字，隐藏图标 */
@media (max-width: 820px) {
  .nav-fav-btn { padding: 6px 10px; }
  .nav-fav-btn svg { display: none; }
}

/* ============ Hero 搜索区 ============ */

.hero {
  padding: 24px 32px 18px;
  background:
    radial-gradient(1200px 400px at 50% -120px, rgba(158, 27, 27, .045), transparent 70%),
    var(--bg);
}

.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kicker {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1.15;
  font-weight: 700;
  text-align: center;
  letter-spacing: .02em;
  color: var(--ink);
  margin-bottom: 16px;
  white-space: nowrap;
}
.hero-sub {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .28em;
  color: var(--ink-3);
  text-align: center;
  margin-bottom: 8px;
}

/* —— 搜索控制台 —— */

.search-console {
  position: relative;
  width: 100%;
  max-width: 760px;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  padding: 6px 6px 6px 8px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.search-console:focus-within {
  border-color: rgba(158, 27, 27, .45);
  box-shadow: 0 0 0 4px rgba(158, 27, 27, .08), var(--shadow-md);
}

.engine-select {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
  transition: background .15s ease;
}
.engine-select:hover { background: var(--surface-soft); }
.engine-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.caret { font-size: 10px; color: var(--ink-3); }

.search-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 12px;
}
.search-input::placeholder { color: var(--ink-3); }

.kbd {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  border: 1px solid var(--hairline);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 2px 7px;
  margin-right: 10px;
  white-space: nowrap;
}
.search-console input:not(:placeholder-shown) ~ .kbd { display: none; }

.search-btn {
  padding: 9px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #FFF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  transition: background .15s ease;
  flex-shrink: 0;
}
.search-btn:hover { background: var(--accent-deep); }

/* 引擎下拉 */
.engine-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 8px;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 6px;
  z-index: 50;
}
.engine-dropdown li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.engine-dropdown li:hover { background: var(--surface-soft); color: var(--ink); }
.engine-dropdown li.active { color: var(--accent); font-weight: 600; }
.engine-dropdown .engine-dot { width: 8px; height: 8px; }

/* 站内搜索建议 */
.search-suggest {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  max-height: 420px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 8px;
  z-index: 80;
  scrollbar-width: thin;
}
.search-suggest::-webkit-scrollbar { width: 6px; }
.search-suggest::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 3px; }
.suggest-item {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  transition: background .12s ease;
}
.suggest-item:hover, .suggest-item.active { background: var(--surface-soft); }
.suggest-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.suggest-item:hover .suggest-name, .suggest-item.active .suggest-name { color: var(--accent); }
.suggest-cat {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-navy);
  margin-left: 8px;
  letter-spacing: .04em;
}
.suggest-desc {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.suggest-empty {
  padding: 14px 12px;
  font-size: 13px;
  color: var(--ink-3);
  text-align: center;
}
.suggest-web {
  display: block;
  width: 100%;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  border-radius: 8px;
  transition: background .12s ease;
  border-top: 1px solid var(--hairline);
  margin-top: 4px;
}
.suggest-web:hover { background: rgba(158, 27, 27, .06); }
.suggest-group-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  padding: 6px 12px 4px;
  letter-spacing: .06em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.suggest-clear {
  font-size: 11px;
  color: var(--ink-3);
  font-weight: 400;
  padding: 2px 6px;
  border-radius: 4px;
}
.suggest-clear:hover { color: var(--accent); }
.suggest-word {
  display: inline-block;
  margin: 2px 4px 6px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--surface-soft);
  font-size: 12.5px;
  color: var(--ink-2);
  transition: all .12s ease;
}
.suggest-word:hover { color: var(--accent); border-color: rgba(158, 27, 27, .35); }

/* —— 引擎 Tab 行 —— */

.engine-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.engine-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-3);
  border: 1px solid transparent;
  transition: all .15s ease;
}
.engine-tab .engine-dot { width: 6px; height: 6px; background: currentColor; opacity: .55; }
.engine-tab:hover { color: var(--ink-2); background: var(--surface-soft); }
.engine-tab.active {
  color: var(--accent);
  border-color: rgba(158, 27, 27, .3);
  background: rgba(158, 27, 27, .06);
}
.engine-tab.active .engine-dot { background: var(--accent); opacity: 1; }

/* —— 推荐轨（编辑推荐） —— */

.rec-rail {
  width: 100%;
  max-width: var(--maxw);
  margin-top: 14px;
}
.rec-rail:first-of-type { margin-top: 18px; }

.rec-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.rec-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}
.rec-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent);
  margin-right: 10px;
  vertical-align: -2px;
}
.rec-date {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(158, 27, 27, .08);
  border: 1px solid rgba(158, 27, 27, .18);
  padding: 2px 9px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: .04em;
}
.rec-refresh {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  transition: all .15s ease;
  white-space: nowrap;
}
.rec-refresh:hover { color: var(--accent); border-color: rgba(158, 27, 27, .35); }

/* 今日推荐：默认一行 4 个，宽屏自动增加 */
.daily-rail .rec-grid { gap: 12px; }
.daily-rail .rec-card {
  flex: 0 1 calc((100% - 36px) / 4);
  min-width: 0;
  height: 96px;
  gap: 8px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  border-color: rgba(158, 27, 27, .18);
}
.daily-rail .rec-card:hover { border-color: rgba(158, 27, 27, .45); }
.daily-rail .rec-fav {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 17px;
}
.daily-rail .rec-fav img { padding: 5px; }
.daily-rail .rec-name { font-size: 14px; font-weight: 600; }

/* 响应式：窄屏 2 个/行 */
@media (max-width: 640px) {
  .daily-rail .rec-card { flex: 0 1 calc((100% - 12px) / 2); height: 88px; }
  .daily-rail .rec-fav { width: 34px; height: 34px; }
  .daily-rail .rec-name { font-size: 13px; }
}
/* 宽屏 6 个/行 */
@media (min-width: 1280px) {
  .daily-rail .rec-card { flex: 0 1 calc((100% - 60px) / 6); height: 104px; }
}
/* 超宽屏 8 个/行 */
@media (min-width: 1600px) {
  .daily-rail .rec-card { flex: 0 1 calc((100% - 84px) / 8); }
}
.rec-rule {
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

.rec-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.rec-card {
  flex: 0 1 calc((100% - 60px) / 6);
  min-width: 0;
  height: 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  transition: all .15s ease;
}
.rec-card:hover {
  border-color: rgba(158, 27, 27, .35);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.rec-fav {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #FFF;
  background: var(--surface-soft);
  overflow: hidden;
  flex-shrink: 0;
}
.rec-fav img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5px;
  display: block;
}
.rec-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 8px;
}

/* ============ 主体内容区 ============ */

.content-area {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 32px 64px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.category {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cat-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}
.cat-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}
.cat-title .cat-index {
  font-size: 14px;
  color: var(--accent);
  font-family: var(--sans);
  font-weight: 600;
  margin-right: 8px;
  letter-spacing: .1em;
}
.cat-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: .06em;
}

.subcat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.subcat-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--accent-navy);
  padding-left: 12px;
  border-left: 3px solid var(--accent-navy);
}
.subcat-count {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink-3);
  margin-left: 8px;
  background: var(--surface-soft);
  border-radius: 99px;
  padding: 1px 8px;
  vertical-align: 1px;
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.site-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  transition: all .15s ease;
}
.site-card:hover {
  border-color: rgba(158, 27, 27, .3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* 收藏星标 */
.fav-star {
  position: absolute;
  top: 8px;
  right: 10px;
  z-index: 2;
  font-size: 15px;
  line-height: 1;
  color: var(--ink-3);
  opacity: 0;
  cursor: pointer;
  transition: all .15s ease;
  user-select: none;
}
.site-card:hover .fav-star, .fav-star.on { opacity: 1; }
.fav-star:hover { color: #F5A623; transform: scale(1.2); }
.fav-star.on { color: #F5A623; opacity: 1; }
.fav-star:focus-visible { outline: 2px solid #F5A623; outline-offset: 2px; border-radius: 3px; }

.site-fav {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #FFF;
  background: var(--surface-soft);
  overflow: hidden;
  flex-shrink: 0;
}
.site-fav img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5px;
  display: block;
}

.site-info { min-width: 0; }
.site-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.site-card:hover .site-name { color: var(--accent); }
.site-badges {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 6px;
  vertical-align: 1px;
}
.badge {
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  padding: 2.5px 6px;
  border-radius: 4px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.badge-lang { color: var(--accent); background: rgba(158, 27, 27, .08); border: 1px solid rgba(158, 27, 27, .18); }
.badge-region { color: var(--accent-navy); background: rgba(27, 42, 74, .06); border: 1px solid rgba(27, 42, 74, .15); }
.badge-proxy { color: #B45309; background: rgba(180, 83, 9, .08); border: 1px solid rgba(180, 83, 9, .2); }
.badge-dead { color: #6B7280; background: rgba(107, 114, 128, .08); border: 1px solid rgba(107, 114, 128, .2); }
.site-desc {
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.5;
  margin-top: 3px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============ 标签筛选栏 ============ */

.filter-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 0 4px;
}
.filter-btn {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all .15s ease;
}
.filter-btn:hover { color: var(--ink); border-color: rgba(158, 27, 27, .35); }
.filter-btn.active {
  color: #FFF;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}
.filter-sep {
  width: 1px;
  height: 18px;
  background: var(--hairline);
  margin: 0 4px;
}
@media (max-width: 820px) {
  .filter-wrap { padding: 0 16px; }
}

/* ============ 页脚 ============ */

#site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--surface-soft);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
}
.footer-tagline {
  font-size: 13px;
  color: var(--ink-2);
}
.footer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-copy, .footer-icp {
  font-size: 12px;
  color: var(--ink-3);
}
.footer-icp a {
  color: var(--ink-3);
  transition: color .15s ease;
}
.footer-icp a:hover { color: var(--accent); }
.footer-contact-link {
  font-size: 12px;
  color: var(--ink-3);
  transition: color .15s ease;
}
.footer-contact-link:hover { color: var(--accent); }

/* ============ 响应式 ============ */

/* 平板横置 / 小笔记本 */
@media (max-width: 1280px) {
  .rec-card { flex: 0 1 calc((100% - 60px) / 6); } /* 维持 6 卡/行，卡片随容器收缩 */
}

@media (max-width: 1100px) {
  .site-grid { grid-template-columns: repeat(3, 1fr); }
  .rec-card { flex: 0 1 calc((100% - 48px) / 5); }
  .nav { gap: 0; }
  .header-inner { gap: 20px; }
}

/* 平板竖置 / 大屏手机 */
@media (max-width: 820px) {
  .header-inner { gap: 12px; padding: 0 16px; height: 56px; }
  .brand-text { font-size: 20px; }
  .nav {
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav-link { padding: 6px 8px; font-size: 13px; white-space: nowrap; }
  .hero { padding: 18px 16px 12px; }
  .site-grid { grid-template-columns: repeat(2, 1fr); }
  .rec-card { flex: 0 1 calc((100% - 36px) / 4); height: 84px; }
  .content-area { padding: 20px 16px 48px; }
  .footer-inner { flex-direction: column; align-items: flex-start; padding: 24px 16px; }
  .engine-select { padding: 8px 10px; font-size: 12px; }
  .search-input { font-size: 14px; }
}

/* 手机 */
@media (max-width: 520px) {
  .kicker { font-size: 11px; letter-spacing: .22em; margin-bottom: 6px; }
  .hero-title { margin-bottom: 10px; }
  .search-console { padding: 4px; }
  .search-btn { padding: 8px 14px; font-size: 13px; }
  .kbd { display: none; }
  .engine-tabs { gap: 4px; }
  .engine-tab { padding: 4px 10px; font-size: 11.5px; }
  .rec-rail { margin-top: 12px; }
  .rec-rail:first-of-type { margin-top: 14px; }
  .search-suggest { max-height: 320px; }
  .rec-card { flex: 0 1 calc((100% - 24px) / 3); height: 78px; }
  .rec-fav { width: 28px; height: 28px; }
  .rec-name { font-size: 12.5px; }
  .site-grid { grid-template-columns: 1fr; }
  .cat-title { font-size: 21px; }
  .subcat-title { letter-spacing: .12em; }
  .footer-meta { gap: 10px 14px; }
}

/* 超小屏 */
@media (max-width: 360px) {
  .brand-text { font-size: 18px; }
  .theme-toggle { width: 30px; height: 30px; }
}

/* 触屏：去除悬停位移，点按更稳 */
@media (hover: none) {
  .rec-card:hover, .site-card:hover { transform: none; }
  .fav-star { opacity: .5; }
  .fav-star.on { opacity: 1; }
}

/* 收藏本地存储提示（内容区顶部） */
.fav-note-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.fav-note-wrap[hidden] { display: none; }
.fav-local-note {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: rgba(180, 83, 9, .07);
  border: 1px solid rgba(180, 83, 9, .22);
  font-size: 13px;
  color: #92400E;
  line-height: 1.6;
}
.fav-local-note[hidden] { display: none; }
.fln-icon { flex-shrink: 0; font-size: 15px; }
.fln-text { flex: 1; min-width: 0; }
.fln-text strong { color: #78350F; }
.fln-close {
  flex-shrink: 0;
  font-size: 17px;
  line-height: 1;
  color: #92400E;
  padding: 3px 7px;
  border-radius: 4px;
  transition: background .15s ease;
}
.fln-close:hover { background: rgba(180, 83, 9, .12); }
body.dark .fav-local-note { background: rgba(245, 158, 11, .09); border-color: rgba(245, 158, 11, .22); color: #FBBF24; }
body.dark .fln-text strong { color: #FDE68A; }
body.dark .fln-close { color: #FBBF24; }
@media (max-width: 820px) {
  .fav-note-wrap { padding: 0 16px; }
}

/* 收藏分组栏 */
.fav-group-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.fav-group-wrap[hidden] { display: none; }

/* 同步口令面板（紧凑） */
.sync-panel {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 12px 14px;
  margin-top: 6px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--hairline);
  font-size: 13px;
}
.sync-status { font-weight: 600; letter-spacing: .04em; font-size: 13.5px; }
.sync-status.ok { color: #166534; }
body.dark .sync-status.ok { color: #4ADE80; }
.sync-tip { color: var(--ink-3); line-height: 1.6; font-size: 12.5px; }
.sync-tip strong { color: var(--accent); }
.sync-btn {
  padding: 7px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #FFF;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background .15s ease;
}
.sync-btn:hover { background: var(--accent-deep); }
/* 操作按钮一行（含口令输入） */
.sync-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.sync-actions .sync-input {
  flex: 0 1 200px;
  min-width: 0;
  padding: 7px 12px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--surface-soft);
  font-size: 13px;
  color: var(--ink);
  outline: none;
  transition: border-color .15s ease;
}
.sync-actions .sync-input:focus { border-color: rgba(158, 27, 27, .45); }
.sync-btn {
  padding: 7px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #FFF;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background .15s ease;
}
.sync-btn:hover { background: var(--accent-deep); }
.sync-edit, .sync-clear, .sync-export {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--hairline);
  font-size: 12.5px;
  color: var(--ink-2);
  white-space: nowrap;
  transition: all .15s ease;
}
.sync-edit:hover { color: var(--accent); border-color: rgba(158, 27, 27, .35); }
.sync-clear:hover { color: var(--accent-deep); border-color: rgba(158, 27, 27, .35); }
.sync-export:hover { color: var(--accent); border-color: rgba(158, 27, 27, .35); }
.sync-privacy {
  padding: 6px 9px;
  border-radius: 6px;
  background: rgba(27, 42, 74, .04);
  border: 1px dashed rgba(27, 42, 74, .18);
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.6;
}
.sync-privacy strong { color: var(--accent); }
.fav-group-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 0 4px;
}
.fg-btn {
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all .15s ease;
}
.fg-btn:hover { color: var(--ink); border-color: rgba(158, 27, 27, .35); }
.fg-btn.active { color: #FFF; background: var(--accent); border-color: var(--accent); font-weight: 600; }
.fg-add {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px dashed rgba(158, 27, 27, .4);
  transition: all .15s ease;
}
.fg-add:hover { background: rgba(158, 27, 27, .06); }

/* 收藏卡片上的移动分组按钮 */
.fav-group-btn {
  position: absolute;
  top: 30px;
  right: 10px;
  z-index: 2;
  font-size: 12px;
  line-height: 1;
  color: var(--ink-3);
  opacity: 0;
  cursor: pointer;
  padding: 3px 5px;
  border-radius: 4px;
  transition: all .15s ease;
  user-select: none;
}
.site-card:hover .fav-group-btn, .fav-group-btn.on { opacity: 1; }
.fav-group-btn:hover { color: var(--accent); background: var(--surface-soft); }

/* 自定义链接卡片 */
.custom-link-card { border-style: dashed; border-color: rgba(27, 42, 74, .25); }
.custom-link-card .site-fav { background: #5B3A6E !important; }
.custom-del {
  position: absolute;
  top: 8px;
  right: 36px;
  z-index: 2;
  font-size: 15px;
  line-height: 1;
  color: var(--ink-3);
  opacity: 0;
  cursor: pointer;
  padding: 2px 5px;
  border-radius: 4px;
  transition: all .15s ease;
  user-select: none;
}
.custom-link-card:hover .custom-del { opacity: 1; }
.custom-del:hover { color: var(--accent); background: var(--surface-soft); }

/* 分组移动菜单 */
.fav-group-menu {
  position: fixed;
  z-index: 300;
  min-width: 150px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 6px;
}
.fgm-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  padding: 5px 10px 4px;
  letter-spacing: .04em;
}
.fgm-item {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 7px 10px;
  border-radius: 6px;
  transition: background .12s ease;
}
.fgm-item:hover { background: var(--surface-soft); color: var(--accent); }
.fgm-item.current { color: var(--accent); font-weight: 600; }

@media (max-width: 820px) {
  .fav-group-wrap { padding: 0 16px; }
  .fav-group-btn { opacity: .5; }
}

/* 筛选空状态 */
.filter-empty {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 32px;
  text-align: center;
  font-size: 13.5px;
  color: var(--ink-3);
}
@media (max-width: 820px) {
  .filter-empty { padding: 20px 16px; }
}

/* 收藏空状态卡片（内容区中央） */
.fav-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 70px 24px;
  text-align: center;
  border: 1px dashed var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.fes-icon {
  font-size: 42px;
  color: #F5A623;
  line-height: 1;
}
.fes-title {
  font-size: 19px;
  font-weight: 700;
  font-family: var(--serif);
  letter-spacing: .04em;
  color: var(--ink);
}
.fes-desc {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.8;
}
.fes-desc b { color: var(--accent); }
.fes-btn {
  margin-top: 6px;
  padding: 9px 30px;
  border-radius: 999px;
  background: var(--accent);
  color: #FFF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  transition: background .15s ease;
}
.fes-btn:hover { background: var(--accent-deep); }

/* 收藏 toast 轻提示 */
.fav-toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%) translateY(20px);
  z-index: 400;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all .25s ease;
  white-space: nowrap;
}
.fav-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.fav-toast.on { background: var(--accent); color: #FFF; }

/* ============ 最近访问 ============ */

.recent-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.recent-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 14px;
  margin-top: 4px;
  background: var(--surface);
  border: 1px dashed var(--hairline);
  border-radius: var(--radius);
}
.recent-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .06em;
  white-space: nowrap;
}
.recent-note {
  font-size: 12px;
  color: var(--ink-3);
  white-space: nowrap;
}
.recent-list {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}
.recent-item {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--surface-soft);
  transition: all .15s ease;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recent-item:hover { color: var(--accent); border-color: rgba(158, 27, 27, .35); }
.recent-clear {
  font-size: 11.5px;
  color: var(--ink-3);
  padding: 3px 8px;
  border-radius: 5px;
  transition: color .15s ease;
}
.recent-clear:hover { color: var(--accent); }
@media (max-width: 820px) {
  .recent-wrap { padding: 0 16px; }
}

/* ============ 页脚分享 ============ */

.footer-share {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.share-label {
  font-size: 12px;
  color: var(--ink-3);
  margin-right: 2px;
}
.share-btn {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  transition: all .15s ease;
}
.share-btn:hover { color: #FFF; background: var(--accent); border-color: var(--accent); }

/* ============ 微信二维码弹窗 ============ */

.qr-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, .45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.qr-overlay[hidden] { display: none; }
.qr-modal {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 26px 28px 22px;
  text-align: center;
  max-width: 320px;
  width: 100%;
}
.qr-close {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 22px;
  line-height: 1;
  color: var(--ink-3);
  padding: 4px;
}
.qr-close:hover { color: var(--accent); }
.qr-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}
.qr-img {
  width: 200px;
  height: 200px;
  border-radius: 8px;
  border: 1px solid var(--hairline);
  display: block;
  margin: 0 auto;
}
.qr-hint {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 12px;
  line-height: 1.6;
}

/* ============ 悬浮导航 ============ */

.float-nav {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
/* 随便看看（骰子）始终显示 */
.float-dice {
  width: 46px;
  height: 46px;
  color: #FFF;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.float-dice:hover { transform: translateY(-2px) rotate(8deg); }
body.dark .float-dice { color: #FFF; background: var(--accent); }
.float-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity .25s ease, transform .25s ease;
}
.float-nav.hidden .float-group {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}
.float-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-sm);
  transition: all .18s ease;
}
.float-btn:hover {
  color: #FFF;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.float-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 深色模式适配 */
body.dark .float-btn {
  background: var(--surface);
  color: var(--ink-2);
}

/* 小屏：略缩小、贴边，避免遮挡 */
@media (max-width: 820px) {
  /* 悬浮导航：只保留 随便看看 + 返回顶部 */
  #float-search, #float-bottom { display: none; }
  /* 收藏按钮图标化（隐藏文字） */
  .nav-fav-text { display: none; }
  .nav-fav-btn { padding: 6px 10px; }
  .nav-fav-btn svg { display: block; }
}
@media (max-width: 520px) {
  .float-nav { right: 14px; bottom: 18px; gap: 8px; }
  .float-group { gap: 8px; }
  .float-btn { width: 38px; height: 38px; }
  .float-dice { width: 42px; height: 42px; }
}

/* 移动端导航"更多"下拉 */
.nav-more {
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 6px;
  white-space: nowrap;
  transition: color .15s ease;
}
.nav-more:hover { color: var(--accent); }
.nav-more-menu {
  position: absolute;
  top: 56px;
  right: 16px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 6px;
  z-index: 120;
  display: flex;
  flex-direction: column;
  min-width: 140px;
}
.nav-more-menu[hidden] { display: none; }
.nav-more-menu .nav-link { text-align: left; }

/* ============ 板块静态页 ============ */

.page-header {
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
}
.page-header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.p-nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 6px 14px;
  border-radius: 6px;
  transition: all .15s ease;
}
.p-nav a:hover { color: var(--accent); background: var(--surface-soft); }
.page-main { max-width: var(--maxw); margin: 0 auto; padding: 28px 32px 64px; }
.page-hero { padding: 8px 0 20px; border-bottom: 2px solid var(--ink); margin-bottom: 22px; }
.page-hero h1 {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}
.page-count {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-left: 12px;
  letter-spacing: .06em;
}
.page-sub {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--accent-navy);
  margin-top: 8px;
}
.page-content { display: flex; flex-direction: column; gap: 26px; }
.p-sub { display: flex; flex-direction: column; gap: 12px; }
.p-sub-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent-navy);
  padding-left: 12px;
  border-left: 3px solid var(--accent-navy);
}
.p-sub-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  margin-left: 8px;
  background: var(--surface-soft);
  border-radius: 99px;
  padding: 1px 8px;
  vertical-align: 2px;
}
.p-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.p-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 14px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  transition: all .15s ease;
}
.p-card:hover {
  border-color: rgba(158, 27, 27, .3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.p-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.p-card:hover .p-card-name { color: var(--accent); }
.p-card-desc {
  font-size: 12px;
  color: var(--ink-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.page-footer {
  border-top: 1px solid var(--hairline);
  background: var(--surface-soft);
  padding: 22px 32px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-3);
}
.page-footer a { color: var(--ink-3); }
.page-footer a:hover { color: var(--accent); }

/* 关于/隐私页 */
.about-main { max-width: 860px; }
.about-article { display: flex; flex-direction: column; gap: 14px; line-height: 1.8; color: var(--ink); }
.about-article h2 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  margin-top: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--hairline);
}
.about-article p, .about-article li { font-size: 14.5px; color: var(--ink-2); }
.about-article ul { padding-left: 20px; list-style: disc; display: flex; flex-direction: column; gap: 8px; }
.about-article strong { color: var(--accent); }
.about-article a { color: var(--accent); }
.about-article a:hover { text-decoration: underline; }

@media (max-width: 820px) {
  .p-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header-inner, .page-main { padding-left: 16px; padding-right: 16px; }
}
@media (max-width: 520px) {
  .p-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 24px; }
  .page-sub { letter-spacing: .1em; }
}