/* ============================================================
   Emoji 大全 · 样式
   多主题：candy(默认) / mint / sunset / night
   ============================================================ */

/* ---------- 自托管字体（P1 SEO：去掉 miaoda.feishu.cn 外部依赖） ----------
   由完整可变字体按本站用字子集化生成，保留 wght 轴（Noto 400-900 / Baloo 600-800） */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-subset.woff2') format('woff2');
}
@font-face {
  font-family: 'Baloo 2';
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
  src: url('../fonts/baloo2-subset.woff2') format('woff2');
}

/* ---------- 主题变量 ---------- */
:root, [data-theme='candy'] {
  --bg: #FFF7F0;
  --bg-soft: #FFEFE3;
  --card: #FFFFFF;
  --card-hover: #FFF3F7;
  --text: #3B2E3A;
  --text-soft: #8A7A86;
  --accent: #FF5D8F;
  --accent-2: #FFC93C;
  --accent-3: #4ECDC4;
  --border: rgba(59, 46, 58, .09);
  --shadow: 0 8px 24px rgba(255, 93, 143, .12);
  --code-bg: #FFF0F5;
  --header-bg: rgba(255, 247, 240, .86);
}
[data-theme='mint'] {
  --bg: #F1FBF6;
  --bg-soft: #E2F6ED;
  --card: #FFFFFF;
  --card-hover: #EAFBF4;
  --text: #1F3D37;
  --text-soft: #5F7E77;
  --accent: #2EC4B6;
  --accent-2: #80ED99;
  --accent-3: #FFD166;
  --border: rgba(31, 61, 55, .10);
  --shadow: 0 8px 24px rgba(46, 196, 182, .14);
  --code-bg: #E8F8F3;
  --header-bg: rgba(241, 251, 246, .86);
}
[data-theme='sunset'] {
  --bg: #FFF6EF;
  --bg-soft: #FFE9DA;
  --card: #FFFFFF;
  --card-hover: #FFF0E6;
  --text: #4A2B20;
  --text-soft: #9A6B58;
  --accent: #FF6B35;
  --accent-2: #FF9F1C;
  --accent-3: #E63946;
  --border: rgba(74, 43, 32, .10);
  --shadow: 0 8px 24px rgba(255, 107, 53, .14);
  --code-bg: #FFF0E6;
  --header-bg: rgba(255, 246, 239, .86);
}
[data-theme='night'] {
  --bg: #15152B;
  --bg-soft: #1E1E3C;
  --card: #22224A;
  --card-hover: #2A2A58;
  --text: #EDEAF7;
  --text-soft: #9B96C0;
  --accent: #8B5CF6;
  --accent-2: #06B6D4;
  --accent-3: #F472B6;
  --border: rgba(237, 234, 247, .10);
  --shadow: 0 10px 28px rgba(0, 0, 0, .35);
  --code-bg: #2C2C5C;
  --header-bg: rgba(21, 21, 43, .88);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background .3s ease, color .3s ease;
}
a { color: inherit; text-decoration: none; }
code {
  font-family: 'SF Mono', 'JetBrains Mono', Consolas, monospace;
  font-size: .82em;
  background: var(--code-bg);
  padding: .1em .4em;
  border-radius: 6px;
}
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 36px; height: 36px; }
.logo-text {
  font-family: 'Baloo 2', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  font-size: 1.22rem;
  line-height: 1.1;
}
.logo-text em {
  display: block;
  font-style: normal;
  font-size: .62rem;
  letter-spacing: .18em;
  color: var(--text-soft);
  font-weight: 600;
  text-transform: uppercase;
}
.header-tools { display: flex; align-items: center; gap: 12px; flex: 1; justify-content: flex-end; }
.search { position: relative; flex: 1; max-width: 480px; }
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  stroke: var(--text-soft);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}
.search input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  border-radius: 999px;
  border: 2px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.search input::placeholder { color: var(--text-soft); }
.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }

/* 主题切换 */
.theme-switch { display: flex; gap: 6px; }
.theme-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--card);
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  transition: transform .15s, border-color .2s;
}
.theme-btn:hover { transform: scale(1.12); }
.theme-btn[aria-pressed='true'] { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.theme-btn span { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* 汉堡 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded='true'] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded='true'] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 主导航（一行：分类 | 集合） */
.site-nav {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.nav-group { display: flex; align-items: center; gap: 6px; min-width: 0; }
.nav-group-label {
  font-size: .66rem;
  letter-spacing: .08em;
  color: var(--text-soft);
  text-transform: uppercase;
  flex-shrink: 0;
  font-weight: 600;
}
.nav-links { display: flex; flex-wrap: wrap; gap: 1px; min-width: 0; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: .84rem;
  color: var(--text-soft);
  transition: background .18s, color .18s;
  white-space: nowrap;
}
.nav-links a:hover { background: var(--bg-soft); color: var(--text); }
.nav-links a.active { background: var(--card); color: var(--text); font-weight: 600; box-shadow: 0 2px 8px var(--shadow); }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.nav-divider { width: 1px; height: 16px; background: var(--border); flex-shrink: 0; }

/* ---------- 首页 Hero ---------- */
.home-main, .page-main { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.hero {
  padding: 72px 20px 56px;
  text-align: center;
  background:
    radial-gradient(circle at 12% 20%, color-mix(in srgb, var(--accent) 14%, transparent) 0, transparent 42%),
    radial-gradient(circle at 88% 18%, color-mix(in srgb, var(--accent-3) 14%, transparent) 0, transparent 42%),
    radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--accent-2) 12%, transparent) 0, transparent 46%);
}
.hero h1 {
  font-family: 'Baloo 2', 'Noto Sans SC', sans-serif;
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.18;
  margin: 0 0 14px;
  letter-spacing: .01em;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub { color: var(--text-soft); font-size: 1.05rem; margin: 0 0 30px; }
.hero-search { position: relative; max-width: 640px; margin: 0 auto 16px; }
.hero-search .search-icon.lg { width: 22px; height: 22px; left: 20px; }
.hero-search input {
  width: 100%;
  padding: 16px 24px 16px 54px;
  border-radius: 999px;
  border: 2px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 1.05rem;
  font-family: inherit;
  box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s;
}
.hero-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 18%, transparent); }
.hero-hot { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; align-items: center; }
.hot-label { font-size: .85rem; color: var(--text-soft); }
.hot-chip {
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: .88rem;
  font-family: inherit;
  cursor: pointer;
  transition: transform .15s, border-color .2s, background .2s;
}
.hot-chip:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--card-hover); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 36px;
  margin-top: 34px;
  color: var(--text-soft);
  font-size: .92rem;
}
.hero-stats strong { color: var(--text); font-weight: 700; font-size: 1.15rem; }

/* ---------- 通用 Section ---------- */
.home-section { padding: 44px 0 20px; }
.section-title {
  font-family: 'Baloo 2', 'Noto Sans SC', sans-serif;
  font-size: 1.6rem;
  margin: 0 0 6px;
}
.section-sub { color: var(--text-soft); margin: 0 0 22px; }

/* ---------- 分类/集合卡片 ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}
.cat-card {
  --cat: var(--accent);
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
  transition: transform .18s, box-shadow .18s;
}
.cat-card::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 5px;
  background: var(--cat);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cat-icon { width: 40px; height: 40px; margin-bottom: 6px; }
.cat-icon * { stroke: var(--cat); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.cat-icon circle { fill: none; }
.cat-name { font-weight: 700; font-size: 1.05rem; }
.cat-en { color: var(--text-soft); font-size: .8rem; }
.cat-count {
  margin-top: 6px;
  font-size: .78rem;
  color: var(--cat);
  font-weight: 600;
  background: color-mix(in srgb, var(--cat) 12%, transparent);
  align-self: flex-start;
  padding: 2px 10px;
  border-radius: 999px;
}

.col-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.col-card {
  --cat: var(--accent);
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform .18s, box-shadow .18s;
}
.col-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.col-name { font-weight: 700; font-size: 1.1rem; }
.col-en { color: var(--text-soft); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.col-preview { display: flex; gap: 4px; flex-wrap: wrap; margin: 8px 0 4px; }
.col-preview-char { font-size: 1.5rem; line-height: 1.3; filter: grayscale(.15); }
.col-count { font-size: .78rem; color: var(--text-soft); }

/* ---------- Emoji 网格与卡片 ---------- */
.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 10px;
}
.ecard {
  --cat: var(--accent);
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 14px 12px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: default;
  font-family: inherit;
  color: inherit;
  text-align: center;
  transition: transform .14s ease, box-shadow .18s, border-color .18s;
  min-height: 158px;
}
.ecard:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }

.ecard.copied { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
.ecard { position: relative; }
/* 收藏按钮（卡片右上角） */
.fav-btn {
  position: absolute;
  top: 8px; right: 8px;
  width: 24px; height: 24px;
  line-height: 21px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: .9rem;
  cursor: pointer;
  opacity: .6;
  z-index: 2;
  transition: opacity .15s, transform .15s, color .15s, background .15s, border-color .15s;
}
.ecard:hover .fav-btn, .fav-btn:focus { opacity: 1; }
.fav-btn:hover { transform: scale(1.18); background: color-mix(in srgb, var(--accent) 12%, var(--card)); }
.fav-btn.on { opacity: 1; color: #f5a623; border-color: color-mix(in srgb, #f5a623 55%, var(--border)); }
.fav-btn.on:hover { background: color-mix(in srgb, #f5a623 12%, var(--card)); }
/* 区块标题提示 */
.sec-hint { font-size: .78rem; font-weight: 400; color: var(--text-soft); margin-left: 8px; }
/* 搜索联想下拉 */
.suggest-box {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  z-index: 50;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: left;
}
.suggest-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 14px;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: .85rem;
  color: var(--text);
  text-align: left;
}
.suggest-item:last-child { border-bottom: 0; }
.suggest-item:hover, .suggest-item:focus { background: color-mix(in srgb, var(--accent) 8%, transparent); outline: none; }
.sg-char { font-size: 1.4rem; line-height: 1; }
.sg-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ec-char {
  font-size: 2.6rem; line-height: 1.15;
  cursor: pointer;
  border-radius: 12px;
  padding: 2px 10px;
  transition: transform .14s, background .18s, box-shadow .18s;
}
.ec-char:hover { background: color-mix(in srgb, var(--accent) 10%, var(--card-hover)); }
.ec-char:active { transform: scale(.92); }
.ecard:hover .ec-char { transform: scale(1.12) rotate(-4deg); }
.ecard:hover .ec-char:hover { transform: scale(1.12) rotate(-4deg); }
.ec-zh { font-weight: 600; font-size: .9rem; margin-top: 2px; }
.ec-en { color: var(--text-soft); font-size: .74rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.ec-meta {
  margin-top: 8px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.ec-code {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--code-bg);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: .72rem;
  font-family: 'SF Mono', 'JetBrains Mono', Consolas, monospace;
  color: var(--text-soft);
  transition: color .15s, background .15s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ec-code:hover { color: var(--text); background: color-mix(in srgb, var(--accent) 14%, var(--code-bg)); }
.ec-k {
  flex-shrink: 0;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: .66rem;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 5px;
  font-weight: 600;
}

/* ---------- 分类页 ---------- */
.breadcrumb {
  padding: 16px 0 4px;
  font-size: .85rem;
  color: var(--text-soft);
  display: flex;
  gap: 8px;
  align-items: center;
}
.breadcrumb a:hover { color: var(--accent); }
.page-hero {
  --cat: var(--accent);
  padding: 30px 4px 22px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-family: 'Baloo 2', 'Noto Sans SC', sans-serif; font-size: 2rem; margin: 0 0 8px; }
.page-hero h1 em {
  font-style: normal;
  font-size: .55em;
  color: var(--cat);
  background: color-mix(in srgb, var(--cat) 13%, transparent);
  padding: 3px 12px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 8px;
}
.page-hero p { color: var(--text-soft); margin: 0 0 16px; max-width: 780px; }
.page-stats { display: flex; gap: 26px; margin-bottom: 14px; font-size: .9rem; color: var(--text-soft); }
.page-stats strong { color: var(--text); font-size: 1.1rem; }
.sg-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.sg-nav a {
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--text-soft);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: .85rem;
  transition: color .15s, border-color .15s;
}
.sg-nav a:hover { color: var(--accent); border-color: var(--accent); }
.subgroup { padding: 26px 0 8px; }
/* 角色视图（工作常用集合） */
.role-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 4px; }
.role-tab {
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--text-soft);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s, transform .1s;
}
.role-tab:hover { color: var(--accent); border-color: var(--accent); }
.role-tab.active { background: var(--accent); border-color: var(--accent); color: var(--card); }
.role-tab:active { transform: scale(.96); }
.role-hint { font-size: .82rem; color: var(--text-soft); margin: 8px 0 0; }
.subgroup-title {
  font-size: 1.12rem;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.subgroup-title span {
  font-size: .78rem;
  color: var(--text-soft);
  background: var(--bg-soft);
  padding: 2px 10px;
  border-radius: 999px;
}

/* ---------- 使用说明 ---------- */
.howto-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.howto-item {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  display: flex;
  gap: 14px;
}
.howto-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: 'Baloo 2', sans-serif;
}
.howto-item p { margin: 0; font-size: .92rem; color: var(--text-soft); }
.howto-item strong { color: var(--text); }

/* ---------- 搜索结果区 ---------- */
.result-count { font-size: .9rem; color: var(--text-soft); font-weight: 400; }
.result-hint { color: var(--text-soft); font-size: .9rem; margin-bottom: 14px; }
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-soft);
  border: 2px dashed var(--border);
  border-radius: 20px;
}
.empty-state .big { font-size: 3rem; display: block; margin-bottom: 10px; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 36px 20px 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}
.footer-title { font-weight: 700; margin: 0 0 8px; }
.footer-title em { font-style: normal; color: var(--accent); }
.footer-about p { color: var(--text-soft); font-size: .88rem; margin: 0; max-width: 520px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.footer-links a { display: block; color: var(--text-soft); font-size: .86rem; padding: 2px 0; }
.footer-links a:hover { color: var(--accent); }
.footer-note {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px 22px;
  font-size: .76rem;
  color: var(--text-soft);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(16px);
  background: var(--text);
  color: var(--bg);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: .92rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .28);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast b { font-weight: 700; }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav { display: none; }
  .site-nav.open { display: flex; flex-direction: column; align-items: stretch; gap: 12px; padding: 10px 20px 16px; }
  .site-nav.open .nav-links { flex-wrap: wrap; }
  .site-nav.open .nav-divider { display: none; }
  .header-inner { flex-wrap: wrap; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .theme-switch { order: 2; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .logo-text { font-size: 1.05rem; }
  .hero { padding: 48px 12px 40px; }
  .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 8px; }
  .ecard { min-height: 142px; padding: 10px 8px; }
  .ec-char { font-size: 2.1rem; padding: 1px 6px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .col-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 8px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto; }
}

/* ================= P1：卡片详情链接 ================= */
.ec-detail {
  margin-top: 7px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 5px 16px;
  border: 1.5px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 6%, var(--card));
  position: relative;
  z-index: 2;
  transition: background .15s, transform .14s, border-color .15s;
}
.ec-detail:hover { background: color-mix(in srgb, var(--accent) 14%, var(--card)); border-color: var(--accent); transform: translateY(-1px); }
.ec-detail:active { transform: scale(.95); }

/* ================= P1：集合页复制整组 ================= */
.subgroup-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.copy-group {
  margin-left: auto;
  font-size: .76rem;
  font-weight: 600;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--card));
  border: 1.5px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 999px;
  padding: 4px 14px;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, transform .15s;
}
.copy-group:hover { background: color-mix(in srgb, var(--accent) 20%, var(--card)); transform: translateY(-1px); }
.copy-group:active { transform: scale(.95); }

/* ================= P1：首页快捷组合 ================= */
.combo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}
.combo-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: .9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform .14s, border-color .18s, box-shadow .18s;
}
.combo-chip:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow); }
.combo-chip:active { transform: scale(.97); }
.combo-chars { font-size: 1.05rem; letter-spacing: 1px; }

/* ================= P1：回到顶部 ================= */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 45%, transparent);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 80;
}
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { transform: translateY(-2px) scale(1.05); }

/* ================= P1：Emoji 详情页 ================= */
.detail-main { max-width: 760px; }
.detail-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 22px;
  padding: 34px 28px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.detail-char { font-size: 5.4rem; line-height: 1.15; }
.detail-card h1 { font-size: 1.7rem; margin: 6px 0 4px; }
.detail-card h1 em { color: var(--accent); font-style: normal; font-weight: 700; }
.detail-cat { color: var(--text-soft); font-size: .86rem; margin-bottom: 18px; }
.detail-cat a { color: var(--accent); text-decoration: none; }
.detail-copy { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.detail-btn {
  border: 1.5px solid var(--border);
  background: var(--card-hover);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: .88rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform .14s, border-color .18s, background .18s;
}
.detail-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.detail-btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.detail-btn.copied { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
.detail-keys { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 12px; }
.detail-keys.en { margin-bottom: 0; }
.keys-label { font-size: .78rem; color: var(--text-soft); font-weight: 600; align-self: center; }
.key-chip {
  font-size: .78rem;
  background: color-mix(in srgb, var(--accent) 8%, var(--card-hover));
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--text);
}
.detail-cols { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 14px; }
.rel-col {
  font-size: .8rem;
  color: var(--accent);
  text-decoration: none;
  border: 1.5px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 999px;
  padding: 4px 12px;
  background: color-mix(in srgb, var(--accent) 6%, var(--card));
  transition: background .15s;
}
.rel-col:hover { background: color-mix(in srgb, var(--accent) 14%, var(--card)); }
.detail-nav {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
}
.detail-nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: .88rem;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 8px 14px;
  transition: border-color .15s;
}
.detail-nav a:hover { border-color: var(--accent); }
.detail-nav span { flex: 1; }

/* ================= P1：移动端优化 ================= */
@media (max-width: 860px) {
  .site-header { position: sticky; top: 0; z-index: 60; }
  .detail-char { font-size: 4rem; }
  .detail-card { padding: 24px 16px 20px; }
  .back-top { right: 16px; bottom: 18px; width: 42px; height: 42px; }
  .copy-group { margin-left: 0; }
  .combo-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* ================= P2：详情页开发者格式 + 码点分解 + 含义说明 ================= */
.detail-copy.dev {
  margin-top: -6px;
  margin-bottom: 18px;
  align-items: center;
}
.dev-label {
  font-size: .76rem;
  font-weight: 700;
  color: var(--text-soft);
  letter-spacing: .5px;
}
.detail-btn.dev {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
  padding: 7px 13px;
  background: var(--card-hover);
}
.cp-section, .note-block {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 20px 22px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.note-title { font-size: 1.05rem; margin: 0 0 12px; color: var(--text); }
.cp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .86rem;
}
.cp-table th {
  text-align: left;
  font-size: .76rem;
  color: var(--text-soft);
  font-weight: 600;
  padding: 6px 10px;
  border-bottom: 1.5px solid var(--border);
}
.cp-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.cp-table tr:last-child td { border-bottom: 0; }
.cp-table code {
  background: var(--card-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: .8rem;
  color: var(--accent);
}
.cp-note { font-size: .76rem; color: var(--text-soft); margin: 10px 0 0; }
.note-block p { margin: 8px 0; line-height: 1.7; }
.note-block .note-zh { font-size: .98rem; color: var(--text); }
.note-block .note-en { font-size: .88rem; color: var(--text-soft); }
.note-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--card));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 999px;
  padding: 2px 10px;
  margin-right: 6px;
  vertical-align: 1px;
}
.note-pop, .note-tip { font-size: .9rem; color: var(--text); }
@media (max-width: 860px) {
  .detail-btn.dev { padding: 6px 10px; font-size: .72rem; }
  .cp-section, .note-block { padding: 16px 14px; }
}

/* ================= P2：跨平台渲染预览 + 无障碍优化 ================= */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 14px; top: -56px;
  z-index: 120;
  background: var(--accent); color: #fff;
  padding: 9px 18px; border-radius: 10px;
  font-weight: 600; font-size: .9rem;
  text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 12px; }
.vendor-section {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 20px 22px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.vendor-hint { font-size: .82rem; color: var(--text-soft); margin: -6px 0 14px; }
.vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
  gap: 10px;
}
.vendor-item {
  background: var(--card-hover);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 12px 6px 10px;
  text-align: center;
  transition: border-color .15s;
}
.vendor-item:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.vendor-item img { width: 52px; height: 52px; object-fit: contain; margin: 0 auto 8px; display: block; }
.vendor-item.missing { display: none; }
.vendor-name { display: block; font-size: .8rem; font-weight: 700; color: var(--text); }
.vendor-note { display: block; font-size: .68rem; color: var(--text-soft); margin-top: 1px; }
.detail-compose {
  display: flex; gap: 6px; justify-content: center; align-items: center;
  margin: 4px 0 8px; flex-wrap: wrap;
}
.compose-part { font-size: 1.9rem; line-height: 1.2; }
.compose-sep { color: var(--text-soft); font-size: 1.05rem; }
@media (max-width: 860px) {
  .vendor-grid { grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); }
  .compose-part { font-size: 1.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
.compose-zwj {
  font-size: .68rem;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--card-hover));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 8px;
  padding: 3px 8px;
  letter-spacing: .5px;
  vertical-align: 2px;
}