/* ===== 基础与变量 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#FBF7F0;
  --surface:#FFFFFF;
  --surface-2:#F3EDE3;
  --ink:#2B2620;
  --ink-2:#6B6357;
  --ink-3:#A09688;
  --line:#EAE2D4;
  --brand:#FF6B35;
  --brand-2:#FF9A5C;
  --brand-soft:#FFF0E7;
  --ok:#3D9A5F;
  --danger:#E5484D;
  --radius:16px;
  --radius-s:12px;
  --shadow:0 4px 18px rgba(43,38,32,.09);
  --shadow-lg:0 12px 40px rgba(43,38,32,.16);
  --c-smileys:#FFB84D; --c-smileys-soft:#FFF4DF;
  --c-people:#FF8A5C; --c-people-soft:#FFEDE5;
  --c-animals:#6FBF6F; --c-animals-soft:#EAF7EA;
  --c-food:#F26B5E; --c-food-soft:#FFECEA;
  --c-travel:#4FA3E3; --c-travel-soft:#E7F3FD;
  --c-activities:#9B7EDE; --c-activities-soft:#F1ECFB;
  --c-objects:#3FB6AD; --c-objects-soft:#E6F6F5;
  --c-symbols:#E76FA8; --c-symbols-soft:#FCECF4;
  --c-flags:#8FA05A; --c-flags-soft:#F2F5E6;
  --font-display:'ZCOOL KuaiLe','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}
img,svg{display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}
a{color:inherit;text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 16px}
.view{display:none}
.view.active{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ===== 顶部导航 ===== */
.topbar{position:sticky;top:0;z-index:100;background:rgba(251,247,240,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:14px;height:62px}
.brand{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:22px;font-weight:400;color:var(--ink);white-space:nowrap}
.brand .brand-mark{width:34px;height:34px;flex:none}
.search-wrap{flex:1;max-width:420px;position:relative;margin-left:auto}
.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--ink-3)}
#searchInput{width:100%;height:42px;padding:0 42px 0 38px;border:1.5px solid var(--line);border-radius:999px;background:var(--surface);font-size:14px;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
#searchInput:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,53,.15)}
.topnav{display:flex;align-items:center;gap:2px}
.topnav a{padding:8px 12px;border-radius:10px;font-size:14px;font-weight:500;color:var(--ink-2);transition:background .2s,color .2s}
.topnav a:hover{background:var(--surface-2);color:var(--ink)}
.topnav a.active{color:var(--brand);background:var(--brand-soft)}
.hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;border:1.5px solid var(--line);background:var(--surface)}
.hamburger svg{width:20px;height:20px;stroke:var(--ink)}
.mask{display:none;position:fixed;inset:0;background:rgba(43,38,32,.4);z-index:199}

/* ===== 首屏 Hero ===== */
.hero{padding:44px 0 20px;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700}
.hero h1{font-family:var(--font-display);font-size:clamp(30px,5.6vw,52px);font-weight:400;line-height:1.25;margin:16px 0 8px;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero p{color:var(--ink-2);font-size:15px;max-width:520px;margin:0 auto}
.hero-search{max-width:560px;margin:26px auto 8px;position:relative}
.hero-search svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--ink-3)}
.hero-search input{width:100%;height:56px;padding:0 120px 0 50px;border:none;border-radius:999px;background:var(--surface);box-shadow:var(--shadow-lg);font-size:16px;outline:none;color:var(--ink)}
.hero-search button{position:absolute;right:8px;top:50%;transform:translateY(-50%);height:40px;padding:0 20px;border-radius:999px;background:var(--brand);color:#fff;font-size:14px;font-weight:700}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
.chip{padding:7px 14px;border-radius:999px;background:var(--surface);border:1.5px solid var(--line);font-size:13px;color:var(--ink-2);transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.hero-stats{display:flex;justify-content:center;gap:36px;margin-top:26px;flex-wrap:wrap}
.hero-stats .num{font-family:var(--font-display);font-size:30px;color:var(--brand);line-height:1}
.hero-stats .lbl{font-size:12px;color:var(--ink-3);margin-top:4px}

/* ===== 区块 ===== */
.section{padding:34px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}
.section-head h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}
.section-head h2 .bar{width:5px;height:20px;border-radius:3px;background:var(--brand);display:inline-block}
.section-head .more{font-size:13px;color:var(--brand);font-weight:500;white-space:nowrap}

/* ===== 分类九宫格 ===== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.cat-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:22px 12px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .2s,box-shadow .2s;min-height:112px}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.cat-card .cat-emoji{font-size:38px;line-height:1}
.cat-card .cat-name{font-size:14px;font-weight:700}
.cat-card .cat-count{font-size:12px;color:var(--ink-3)}
.cat-card::before{content:"";position:absolute;inset:auto 0 0 0;height:4px;background:var(--cat-c,#FFB84D)}
.cat-card:hover::before{height:6px}

/* ===== Emoji 网格 ===== */
.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(74px,1fr));gap:10px}
.emoji-card{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:36px;background:var(--surface);border:1px solid var(--line);border-radius:14px;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s;min-height:44px;user-select:none;-webkit-user-select:none}
.emoji-card:hover{transform:translateY(-3px) scale(1.05);box-shadow:var(--shadow);border-color:var(--brand-2);z-index:2}
.emoji-card .fav{position:absolute;top:4px;right:5px;width:20px;height:20px;opacity:0;transition:opacity .18s;stroke:var(--brand);fill:transparent}
.emoji-card.faved .fav{opacity:1;fill:var(--brand)}
.emoji-card:hover .fav{opacity:.7}
.emoji-card .fav:hover{opacity:1}
.emoji-card .name-tip{position:absolute;bottom:4px;left:0;right:0;text-align:center;font-size:10px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px}
.emoji-grid.cards-sm{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px}
.emoji-grid.cards-sm .emoji-card{font-size:30px}

/* ===== 排行 ===== */
.rank-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.rank-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s}
.rank-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--brand-2)}
.rank-item .rank-no{width:26px;height:26px;flex:none;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--surface-2);font-size:13px;font-weight:700;color:var(--ink-2)}
.rank-item:nth-child(1) .rank-no,.rank-item:nth-child(2) .rank-no,.rank-item:nth-child(3) .rank-no{background:var(--brand);color:#fff}
.rank-item .rank-e{font-size:30px;line-height:1}
.rank-item .rank-meta{flex:1;min-width:0}
.rank-item .rank-name{font-size:13px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-item .rank-freq{font-size:11px;color:var(--ink-3)}
.rank-item .rank-bar{height:5px;border-radius:3px;background:var(--surface-2);margin-top:6px;overflow:hidden}
.rank-item .rank-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}

/* ===== 横滑行 ===== */
.scroll-row{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.scroll-card{flex:none;display:flex;flex-direction:column;align-items:center;gap:6px;width:72px;padding:10px 6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);cursor:pointer;transition:transform .18s,border-color .18s}
.scroll-card:hover{transform:translateY(-3px);border-color:var(--brand-2)}
.scroll-card .sc-e{font-size:32px;line-height:1}
.scroll-card .sc-n{font-size:11px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.scroll-row .empty{padding:24px;color:var(--ink-3);font-size:13px}

/* ===== 主题卡 ===== */
.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.theme-card{display:flex;flex-direction:column;gap:10px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;transition:transform .2s,box-shadow .2s}
.theme-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.theme-card .th-e{font-size:22px;letter-spacing:2px;line-height:1.4}
.theme-card .th-t{font-size:14px;font-weight:700}
.theme-card .th-d{font-size:12px;color:var(--ink-3)}

/* ===== 工具/游戏入口卡 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.entry-card{display:flex;flex-direction:column;gap:8px;padding:20px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--brand-2)}
.entry-card .en-ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand)}
.entry-card .en-ic svg{width:22px;height:22px;stroke:var(--brand)}
.entry-card .en-t{font-size:15px;font-weight:700}
.entry-card .en-d{font-size:12px;color:var(--ink-3);line-height:1.5}

/* ===== 页面内部工具条 ===== */
.page-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.btn{padding:10px 18px;border-radius:12px;font-size:14px;font-weight:600;transition:background .2s,transform .15s;display:inline-flex;align-items:center;gap:7px}
.btn svg{width:16px;height:16px;stroke:currentColor}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#F25A24}
.btn-ghost{background:var(--surface);border:1.5px solid var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:10px}
.count-line{font-size:13px;color:var(--ink-3)}
.crumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);margin-bottom:6px}
.crumb a{color:var(--brand);font-weight:500}
.crumb svg{width:13px;height:13px;stroke:var(--ink-3)}

/* ===== 详情弹窗 ===== */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal .backdrop{position:absolute;inset:0;background:rgba(43,38,32,.45);backdrop-filter:blur(3px)}
.modal-box{position:relative;width:100%;max-width:420px;max-height:88vh;overflow-y:auto;background:var(--surface);border-radius:20px;padding:26px 22px;box-shadow:var(--shadow-lg);animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
.modal-close{position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--surface-2)}
.modal-close svg{width:18px;height:18px;stroke:var(--ink-2)}
.modal-big{font-size:96px;text-align:center;line-height:1.2;margin:14px 0 6px}
.modal-name{font-size:20px;font-weight:700;text-align:center}
.modal-sub{text-align:center;color:var(--ink-3);font-size:12px;margin-top:4px}
.modal-desc{text-align:center;color:var(--ink-2);font-size:14px;background:var(--bg);border-radius:12px;padding:12px 14px;margin:14px 0}
.modal-table{width:100%;border-collapse:collapse;font-size:13px}
.modal-table td{padding:8px 4px;border-bottom:1px dashed var(--line);vertical-align:top}
.modal-table td:first-child{color:var(--ink-3);width:72px;white-space:nowrap}
.modal-table .kw-tag{display:inline-block;padding:2px 9px;margin:2px 3px 2px 0;background:var(--surface-2);border-radius:999px;font-size:12px;color:var(--ink-2)}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.modal-actions .btn{flex:1;justify-content:center}
.btn-fav{background:var(--surface);border:1.5px solid var(--brand);color:var(--brand)}
.btn-fav.faved{background:var(--brand);color:#fff}
.btn-fav svg{width:16px;height:16px;fill:currentColor;stroke:currentColor}

/* ===== Toast ===== */
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:11px 22px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:all .3s;z-index:400;display:flex;align-items:center;gap:8px;max-width:calc(100vw - 40px)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast svg{width:16px;height:16px;stroke:#7CE09A}

/* ===== 工具页 ===== */
.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.tool-card h3{font-size:16px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.tool-card h3 .tag{font-size:11px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:2px 8px;border-radius:999px}
.tool-card .t-desc{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.tool-area{width:100%;min-height:120px;padding:14px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;line-height:1.7;resize:vertical;outline:none;background:var(--bg);color:var(--ink)}
.tool-area:focus{border-color:var(--brand)}
.tool-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}
.trans-result{margin-top:14px;padding:14px;border-radius:12px;background:var(--bg);font-size:26px;line-height:1.9;min-height:60px;word-break:break-all}
.trans-result .hit{background:#FFE9B8;border-radius:6px;padding:0 2px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:14px}
.stat-cell{background:var(--bg);border-radius:12px;padding:14px;text-align:center}
.stat-cell .v{font-size:26px;font-weight:700;color:var(--brand);font-family:var(--font-display)}
.stat-cell .l{font-size:12px;color:var(--ink-3);margin-top:2px}
.stat-rows{margin-top:12px;display:flex;flex-direction:column;gap:6px;max-height:260px;overflow-y:auto}
.stat-row{display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--bg);border-radius:10px;font-size:14px}
.stat-row .se{font-size:22px}
.stat-row .sn{flex:1;font-size:13px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.stat-row .sc{width:120px;height:8px;border-radius:4px;background:var(--surface-2);overflow:hidden;flex:none}
.stat-row .sc i{display:block;height:100%;background:var(--brand);border-radius:4px}
.stat-row .sv{width:34px;text-align:right;font-weight:700;font-size:13px;flex:none}
.rand-box{text-align:center;padding:30px 16px}
.rand-e{font-size:110px;line-height:1.2;cursor:pointer;transition:transform .2s}
.rand-e:active{transform:scale(.9)}
.rand-name{font-size:16px;font-weight:700;margin-top:6px}
.rand-kw{font-size:12px;color:var(--ink-3);margin-top:2px}
.collage-ctrl{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.collage-palette{display:flex;gap:6px;flex-wrap:wrap}
.pal-swatch{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--bg);border:1.5px solid var(--line);transition:transform .15s}
.pal-swatch:hover{transform:scale(1.12)}
.pal-swatch.sel{border-color:var(--brand);background:var(--brand-soft)}
.collage-board{display:grid;gap:3px;margin-top:16px;justify-content:center}
.collage-cell{width:34px;height:34px;display:flex;align-items:center;justify-content:center;font-size:22px;line-height:1;background:var(--bg);border-radius:6px;user-select:none}
.collage-cell.off{opacity:0}
.collage-tpl{display:flex;gap:8px;flex-wrap:wrap}
.tpl-btn{padding:8px 14px;border-radius:10px;background:var(--surface);border:1.5px solid var(--line);font-size:13px;font-weight:600;transition:all .15s}
.tpl-btn.sel{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ===== 游戏 ===== */
.game-shell{max-width:460px;margin:0 auto}
.game-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.game-stat{display:flex;gap:18px}
.game-stat .gs{text-align:center}
.game-stat .gs .v{font-size:22px;font-weight:700;color:var(--brand);font-family:var(--font-display)}
.game-stat .gs .l{font-size:11px;color:var(--ink-3)}
.board{display:grid;gap:8px;justify-content:center}
.board.memory{grid-template-columns:repeat(4,minmax(64px,1fr))}
.board.match{grid-template-columns:repeat(6,minmax(52px,1fr))}
.tile{position:relative;aspect-ratio:1;border-radius:14px;cursor:pointer;background:linear-gradient(145deg,var(--brand-2),var(--brand));display:flex;align-items:center;justify-content:center;transition:transform .15s,opacity .3s;min-height:44px}
.tile:active{transform:scale(.94)}
.tile .face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:32px;backface-visibility:hidden;-webkit-backface-visibility:hidden;transform:rotateY(180deg);transition:transform .3s}
.tile .back{position:absolute;inset:0;border-radius:14px;background:linear-gradient(145deg,var(--brand-2),var(--brand));transition:transform .3s;display:flex;align-items:center;justify-content:center}
.tile .back svg{width:26px;height:26px;stroke:rgba(255,255,255,.85)}
.tile.flipped .face{transform:rotateY(0)}
.tile.flipped .back{transform:rotateY(180deg)}
.tile.matched{opacity:.25;pointer-events:none}
.tile.ko{animation:ko .4s ease}
@keyframes ko{0%{transform:scale(1)}40%{transform:scale(1.18) rotate(6deg)}100%{transform:scale(1)}}
.tile.open{background:var(--surface);border:1px solid var(--line)}
.tile.open .face{transform:rotateY(0)}
.tile.sel{box-shadow:0 0 0 3px var(--brand);border:1px solid var(--brand)}
.tile.wrong{animation:shake .4s ease}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-5px)}40%{transform:translateX(5px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.game-result{display:none;text-align:center;padding:26px 16px;background:var(--bg);border-radius:var(--radius);margin-top:16px}
.game-result.show{display:block}
.game-result .gr-e{font-size:52px}
.game-result .gr-t{font-size:20px;font-weight:700;margin:8px 0 4px}
.game-result .gr-s{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.game-tip{font-size:12px;color:var(--ink-3);text-align:center;margin-top:12px}

/* ===== 页脚 ===== */
footer{border-top:1px solid var(--line);padding:28px 0 40px;margin-top:40px;text-align:center;color:var(--ink-3);font-size:13px}
footer .f-brand{font-family:var(--font-display);font-size:18px;color:var(--ink);margin-bottom:6px}
footer p{margin:3px 0}

/* ===== 响应式 ===== */
@media (max-width:768px){
  .topbar-inner{height:56px;gap:10px}
  .brand{font-size:19px}
  .brand .brand-mark{width:30px;height:30px}
  .search-wrap{display:none}
  .topnav{position:fixed;top:0;right:0;bottom:0;width:240px;background:var(--surface);flex-direction:column;align-items:stretch;gap:4px;padding:70px 14px 20px;z-index:200;transform:translateX(100%);transition:transform .28s ease;box-shadow:var(--shadow-lg)}
  .topnav.open{transform:none}
  .topnav a{padding:13px 14px;font-size:15px;border-radius:12px}
  .hamburger{display:flex}
  .mask.show{display:block}
  .emoji-grid{grid-template-columns:repeat(auto-fill,minmax(62px,1fr));gap:8px}
  .emoji-grid .emoji-card{font-size:30px}
  .cat-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
  .hero{padding:30px 0 10px}
  .hero-search input{padding:0 108px 0 44px}
  .hero-search button{padding:0 16px;font-size:13px}
  .board.memory{grid-template-columns:repeat(4,minmax(56px,1fr))}
  .board.match{grid-template-columns:repeat(6,minmax(44px,1fr));gap:6px}
  .modal-big{font-size:84px}
}
@media (max-width:400px){
  .emoji-grid{grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:7px}
  .emoji-grid .emoji-card{font-size:28px}
  .rank-list{grid-template-columns:1fr}
}

/* ===== 深色模式 ===== */
:root[data-theme="dark"]{
  --bg:#171310;
  --surface:#221D18;
  --surface-2:#2C2620;
  --ink:#F1EBE1;
  --ink-2:#BCB2A4;
  --ink-3:#8A8072;
  --line:#38312A;
  --brand:#FF8A50;
  --brand-2:#FFA67A;
  --brand-soft:#3A2415;
  --shadow:0 4px 18px rgba(0,0,0,.45);
  --shadow-lg:0 12px 40px rgba(0,0,0,.6);
  --c-smileys-soft:#3A2F18; --c-people-soft:#3A2419; --c-animals-soft:#1E301C;
  --c-food-soft:#3A1F1C; --c-travel-soft:#16293A; --c-activities-soft:#2A2340;
  --c-objects-soft:#162E2C; --c-symbols-soft:#3A2030; --c-flags-soft:#2B3018;
}
:root[data-theme="dark"] .topbar{background:rgba(23,19,16,.9)}
:root[data-theme="dark"] .hero-search input{color:var(--ink)}
:root[data-theme="dark"] .modal-box{color:var(--ink)}
:root[data-theme="dark"] .rank-bar,:root[data-theme="dark"] .stat-row .sc{background:var(--surface-2)}
:root[data-theme="dark"] .collage-cell{background:var(--surface-2)}
:root[data-theme="dark"] .tool-area{color:var(--ink)}
.theme-toggle{width:44px;height:44px;flex:none;display:flex;align-items:center;justify-content:center;border-radius:12px;border:1.5px solid var(--line);background:var(--surface)}
.theme-toggle svg{width:19px;height:19px;stroke:var(--ink-2)}
:root[data-theme="dark"] .icon-sun{display:block}
:root[data-theme="dark"] .icon-moon{display:none}
.icon-sun{display:none}
.icon-moon{display:block}

/* ===== 子组分组 ===== */
.sg-block{margin-bottom:26px}
.sg-head{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.sg-head .sg-t{font-size:14px;font-weight:700}
.sg-head .sg-n{font-size:12px;color:var(--ink-3)}

/* ===== 搜索建议 ===== */
.suggest{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);z-index:60;max-height:340px;overflow-y:auto;display:none}
.suggest.show{display:block}
.suggest-item{display:flex;align-items:center;gap:12px;padding:9px 14px;font-size:13px;cursor:pointer;transition:background .15s}
.suggest-item:hover{background:var(--surface-2)}
.suggest-item .se{font-size:22px;line-height:1}
.suggest-item .sm{flex:1;min-width:0}
.suggest-item .sm b{font-weight:600;color:var(--brand)}
.suggest-item .sm span{display:block;color:var(--ink-3);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.suggest-item .sc2{font-size:11px;color:var(--ink-3);flex:none}

/* ===== 加载更多 ===== */
.load-more{display:flex;align-items:center;gap:8px;margin:22px auto 0;padding:12px 30px;border-radius:999px;background:var(--surface);border:1.5px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-2);transition:all .2s}
.load-more:hover{border-color:var(--brand);color:var(--brand)}
.load-more:disabled{opacity:.5;cursor:default}

/* ===== 详情页增强 ===== */
.modal-en{text-align:center;font-size:13px;color:var(--ink-3);margin-top:2px}
.rel-title{font-size:13px;font-weight:700;margin:16px 0 8px}
.rel-row{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:thin}
.rel-row::-webkit-scrollbar{height:5px}
.rel-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.rel-item{flex:none;width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:26px;background:var(--bg);border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:transform .15s,border-color .15s}
.rel-item:hover{transform:translateY(-2px);border-color:var(--brand-2)}
.modal-dl{width:100%;margin-top:8px;justify-content:center;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
.modal-dl:hover{border-color:var(--brand);color:var(--brand)}
.modal-dl svg{width:15px;height:15px;stroke:currentColor}

/* ===== 变体开关 ===== */
.opt-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;font-size:13px;color:var(--ink-3)}
.switch{position:relative;width:44px;height:24px;border-radius:999px;background:var(--surface-2);border:1.5px solid var(--line);transition:background .2s;flex:none}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--ink-3);transition:all .2s}
.switch.on{background:var(--brand);border-color:var(--brand)}
.switch.on::after{left:22px;background:#fff}

/* ===== 移动端搜索 ===== */
.search-toggle{display:none;width:44px;height:44px;flex:none;align-items:center;justify-content:center;border-radius:12px;border:1.5px solid var(--line);background:var(--surface)}
.search-toggle svg{width:19px;height:19px;stroke:var(--ink-2)}
.mobile-search{display:none;position:fixed;top:0;left:0;right:0;z-index:210;background:var(--bg);padding:14px 16px;box-shadow:var(--shadow-lg);border-bottom:1px solid var(--line)}
.mobile-search .ms-row{display:flex;gap:10px;align-items:center}
.mobile-search input{flex:1;height:44px;padding:0 16px;border:1.5px solid var(--line);border-radius:999px;background:var(--surface);font-size:15px;outline:none}
.mobile-search input:focus{border-color:var(--brand)}
.mobile-search .ms-close{width:40px;height:44px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink-2);flex:none}
.mobile-search .suggest{top:calc(100% + 4px)}

@media (max-width:768px){
  .search-toggle{display:flex}
  .topnav{top:56px}
  .theme-toggle{display:none}
  .hero-search input{padding:0 100px 0 40px;font-size:15px}
  .emoji-grid{grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:7px}
  .emoji-grid .emoji-card{font-size:28px}
  .rel-item{width:46px;height:46px}
}