/* 成语大全 · 接龙阁 —— 响应式样式 */
:root{
  --bg:#f7f3ea; --bg2:#fffdf8; --card:#fffdf8; --ink:#2b2823; --ink2:#6c6559; --ink3:#9d9587;
  --line:#e9e1d2; --line2:#f0e9dc; --brand:#ad3a2d; --brand2:#c65a44; --brand-soft:#f8e8e2;
  --gold:#b08a45; --jade:#4c7a6f; --danger:#b3402f; --ok:#3f7a5e;
  --shadow:0 2px 14px rgba(80,60,35,.07); --shadow-lg:0 16px 44px rgba(55,40,20,.18);
  --r:16px; --serif:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#161613; --bg2:#1d1d19; --card:#22221d; --ink:#f1ede3; --ink2:#b8b1a2; --ink3:#8b8476;
  --line:#38362f; --line2:#302e28; --brand:#e4836c; --brand2:#f09b83; --brand-soft:#3b2a25;
  --gold:#d2ab68; --jade:#7fb3a4; --danger:#e07a68; --ok:#79c2a0;
  --shadow:0 2px 14px rgba(0,0,0,.3); --shadow-lg:0 16px 44px rgba(0,0,0,.5);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overscroll-behavior-y:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
input{outline:none}
h1,h2,h3,p{margin:0}
b{font-weight:700}
#app{max-width:960px;margin:0 auto;min-height:100vh;position:relative}

/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:10px 16px;background:color-mix(in srgb,var(--bg2) 88%,transparent);
  backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.brand-seal{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:10px;
  background:var(--brand);color:#fff;font-family:var(--serif);font-size:22px;font-weight:700;
  box-shadow:0 3px 10px rgba(173,58,45,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-family:var(--serif);font-size:18px;letter-spacing:.08em}
.brand-text small{color:var(--ink3);font-size:11px;letter-spacing:.06em}
.top-actions{display:flex;gap:8px}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  color:var(--ink2);font-size:17px;display:grid;place-items:center;transition:.2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn.muted{opacity:.42}

#main{padding:16px 16px calc(86px + env(safe-area-inset-bottom))}
.page{display:none;animation:fadeUp .28s ease both}
.page.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 通用 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:22px 2px 12px}
.section-head h2{font-family:var(--serif);font-size:18px;letter-spacing:.06em;position:relative;padding-left:12px}
.section-head h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:3px;background:var(--brand)}
.section-head span{font-size:12px;color:var(--ink3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 18px;
  border-radius:12px;font-weight:600;font-size:14px;transition:transform .15s,filter .15s,background .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(173,58,45,.22)}
.btn-primary:hover{filter:brightness(1.08)}
[data-theme="dark"] .btn-primary{color:#201a17}
.btn-ghost{background:var(--card);color:var(--brand);border:1px solid var(--brand)}
.btn-outline{background:transparent;color:var(--ink2);border:1px solid var(--line)}
.btn-small{min-height:34px;padding:0 12px;font-size:13px;border-radius:9px}
.btn-lg{min-height:50px;font-size:16px;border-radius:14px}
.btn-block{display:flex;width:100%}
.btn-danger{background:var(--brand-soft);color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent)}
.link-btn{color:var(--ink3);font-size:12px;text-decoration:underline;text-underline-offset:2px}
.foot-note{text-align:center;color:var(--ink3);font-size:12px;margin:24px 0 8px}
.foot-note b{color:var(--brand)}
.skeleton{height:72px;border-radius:10px;background:linear-gradient(90deg,var(--line2),var(--bg2),var(--line2));
  background-size:200% 100%;animation:shimmer 1.3s linear infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* ---------- 首页 ---------- */
.hero{position:relative;overflow:hidden;border-radius:20px;padding:26px 22px 24px;color:#fff;
  background:linear-gradient(135deg,#9d3326 0%,#b84935 48%,#c9704c 100%);
  box-shadow:0 12px 30px rgba(150,55,40,.24)}
.hero::after{content:"";position:absolute;inset:6px;border:1px solid rgba(255,255,255,.22);border-radius:15px;pointer-events:none}
.hero-watermark{position:absolute;right:-10px;top:-26px;font-family:var(--serif);font-size:130px;font-weight:700;
  color:rgba(255,255,255,.09);writing-mode:vertical-rl;letter-spacing:.1em;pointer-events:none}
.hero-kicker{font-size:12px;letter-spacing:.28em;opacity:.86;margin-bottom:10px}
.hero h1{font-family:var(--serif);font-size:32px;line-height:1.32;letter-spacing:.1em;font-weight:700}
.hero-sub{font-size:13px;opacity:.9;margin:12px 0 20px;max-width:90%}
.hero-actions{display:flex;gap:10px;position:relative;z-index:1}
.hero .btn-primary{background:#fff;color:#a2382a;box-shadow:none}
.hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.home-search{margin-top:14px;width:100%;display:flex;align-items:center;gap:10px;background:var(--card);
  border:1px solid var(--line);border-radius:14px;padding:0 14px;min-height:48px;color:var(--ink3);font-size:13px;
  box-shadow:var(--shadow);text-align:left}
.search-glyph{font-size:22px;line-height:1;color:var(--brand);font-family:var(--serif)}
.daily-card{position:relative;overflow:hidden;cursor:pointer}
.daily-card::before{content:"每日";position:absolute;right:14px;top:12px;font-size:11px;letter-spacing:.2em;
  color:var(--brand);border:1px solid var(--brand);border-radius:6px;padding:2px 7px}
.daily-word{font-family:var(--serif);font-size:34px;font-weight:700;letter-spacing:.16em;line-height:1.3}
.daily-pinyin{color:var(--gold);font-size:13px;letter-spacing:.12em;margin:2px 0 12px}
.daily-expl{color:var(--ink2);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.daily-more{margin-top:12px;color:var(--brand);font-size:12px}
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.quick-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;
  text-align:left;box-shadow:var(--shadow);transition:.2s;min-height:88px;display:flex;flex-direction:column;justify-content:space-between}
.quick-item:hover{transform:translateY(-2px);border-color:var(--brand)}
.quick-item .qi-ico{width:30px;height:30px;border-radius:9px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-family:var(--serif);font-size:17px;font-weight:700}
.quick-item b{font-size:14px;display:block;margin-top:8px}
.quick-item small{color:var(--ink3);font-size:11px;display:block}
.stats-card{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;margin-top:16px}
.stats-card .st b{display:block;font-family:var(--serif);font-size:22px;color:var(--brand)}
.stats-card .st small{font-size:11px;color:var(--ink3)}

/* ---------- 检索 ---------- */
.searchbar{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:6px 8px 6px 14px;box-shadow:var(--shadow);position:sticky;top:62px;z-index:12}
.searchbar .search-glyph{font-size:20px}
.searchbar input{flex:1;min-width:0;border:0;background:transparent;font-size:16px;padding:8px 0}
.searchbar input::placeholder{color:var(--ink3);font-size:13px}
.clear-btn{width:26px;height:26px;border-radius:50%;color:var(--ink3);font-size:19px;line-height:1}
.clear-btn[hidden]{display:none}
.chip-row{display:flex;gap:7px;overflow-x:auto;padding:10px 2px 2px;scrollbar-width:none}
.chip-row::-webkit-scrollbar{display:none}
.chip{flex:none;padding:6px 13px;border-radius:999px;background:var(--card);border:1px solid var(--line);
  color:var(--ink2);font-size:12px;white-space:nowrap;transition:.18s}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
[data-theme="dark"] .chip.on{color:#241b18}
.chip-letters .chip{min-width:32px;text-align:center;padding:6px 9px}
.list-meta{display:flex;justify-content:space-between;align-items:center;margin:12px 2px 8px;color:var(--ink3);font-size:12px}
.idiom-list{display:flex;flex-direction:column;gap:8px}
.idiom-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  display:flex;align-items:center;gap:12px;text-align:left;width:100%;transition:.18s}
.idiom-item:hover{border-color:var(--brand);transform:translateX(2px)}
.idiom-item .ii-word{font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:.08em;flex:none}
.idiom-item .ii-body{min-width:0;flex:1;overflow:hidden}
.idiom-item .ii-py{display:block;font-size:11px;color:var(--gold);letter-spacing:.05em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.idiom-item .ii-ex{display:block;font-size:12px;color:var(--ink2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.idiom-item .ii-arrow{color:var(--ink3);font-size:16px}
.idiom-item .ii-fav{color:var(--brand);font-size:14px}
.more-wrap{text-align:center;margin:16px 0}
.empty{text-align:center;color:var(--ink3);padding:36px 12px;font-size:13px}
.empty b{display:block;font-family:var(--serif);font-size:20px;color:var(--ink2);margin-bottom:6px}

/* ---------- 底部抽屉 / 弹窗 / toast ---------- */
.overlay{position:fixed;inset:0;background:rgba(30,24,18,.5);z-index:60;animation:fade .2s both;
  backdrop-filter:blur(2px)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:61;max-width:960px;margin:0 auto;
  background:var(--bg2);border-radius:22px 22px 0 0;border-top:1px solid var(--line);
  box-shadow:var(--shadow-lg);max-height:86vh;overflow-y:auto;padding:8px 18px calc(24px + env(safe-area-inset-bottom));
  animation:slideUp .28s cubic-bezier(.2,.8,.2,1) both;-webkit-overflow-scrolling:touch}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:none}}
.sheet-handle{width:38px;height:4px;border-radius:4px;background:var(--line);margin:8px auto 16px}
.sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.sheet-word{font-family:var(--serif);font-size:36px;font-weight:700;letter-spacing:.14em;line-height:1.25}
.sheet-py{color:var(--gold);font-size:13px;letter-spacing:.1em;margin-bottom:14px}
.sheet-actions{display:flex;gap:8px;flex-wrap:wrap}
.detail-block{margin-top:16px}
.detail-block h4{font-size:12px;color:var(--brand);letter-spacing:.16em;margin-bottom:6px;
  display:flex;align-items:center;gap:8px}
.detail-block h4::after{content:"";flex:1;height:1px;background:var(--line)}
.detail-block p{font-size:14px;color:var(--ink2);line-height:1.85}
.detail-block p.none{color:var(--ink3);font-size:13px}
.rel-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:4px}
.rel-chip{padding:5px 10px;border-radius:8px;background:var(--brand-soft);color:var(--brand);font-size:13px;
  font-family:var(--serif)}
.modal{position:fixed;z-index:70;left:50%;top:50%;transform:translate(-50%,-50%);width:min(88vw,400px);
  background:var(--bg2);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-lg);
  animation:pop .25s cubic-bezier(.2,.9,.3,1.2) both;text-align:center}
@keyframes pop{from{opacity:0;transform:translate(-50%,-46%) scale(.92)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.modal h3{font-family:var(--serif);font-size:22px;margin-bottom:6px}
.modal p{color:var(--ink2);font-size:13px;margin-bottom:14px}
.modal .m-result{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 18px}
.modal .m-result div{background:var(--bg);border-radius:10px;padding:10px 4px}
.modal .m-result b{display:block;font-family:var(--serif);font-size:21px;color:var(--brand)}
.modal .m-result small{font-size:11px;color:var(--ink3)}
.modal-btns{display:flex;gap:8px}
.modal-btns .btn{flex:1}
#toast-root{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translateX(-50%);
  z-index:90;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:min(92vw,420px)}
.toast{background:rgba(38,33,27,.93);color:#fff;padding:10px 16px;border-radius:12px;font-size:13px;
  box-shadow:var(--shadow-lg);animation:toastIn .25s both;text-align:center;max-width:100%}
.toast.ok{background:#3f7a5e}.toast.err{background:#a83b2c}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- 接龙设置 ---------- */
.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mode-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:left;
  box-shadow:var(--shadow);transition:.2s;position:relative;overflow:hidden}
.mode-card.on{border-color:var(--brand);background:color-mix(in srgb,var(--brand-soft) 55%,var(--card))}
.mode-card.on::after{content:"✓";position:absolute;right:10px;top:8px;color:var(--brand);font-size:15px}
.mode-card .mc-num{font-family:var(--serif);font-size:12px;color:var(--gold);letter-spacing:.12em}
.mode-card b{display:block;font-size:15px;margin:2px 0 4px}
.mode-card small{display:block;color:var(--ink3);font-size:11px;line-height:1.5}
.setup-card{padding:6px 16px;margin-top:18px}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;
  border-bottom:1px solid var(--line2)}
.setting-row:last-child{border-bottom:0}
.setting-row b{display:block;font-size:14px;font-weight:600}
.setting-row small{display:block;color:var(--ink3);font-size:11px;margin-top:2px}
.seg{display:flex;background:var(--bg);border-radius:10px;padding:3px;gap:2px;flex:none}
.seg button{padding:6px 10px;border-radius:8px;font-size:12px;color:var(--ink2);white-space:nowrap}
.seg button.on{background:var(--card);color:var(--brand);font-weight:700;box-shadow:var(--shadow)}
.switch{width:46px;height:26px;border-radius:20px;background:var(--line);position:relative;flex:none;transition:.2s}
.switch i{position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;
  box-shadow:0 1px 4px rgba(0,0,0,.2);transition:.2s}
.switch.on{background:var(--brand)}
.switch.on i{left:23px}
.mode-desc{margin-top:14px;font-size:13px;color:var(--ink2);line-height:1.8;
  background:color-mix(in srgb,var(--brand-soft) 40%,var(--card))}
.mode-desc b{color:var(--brand)}
#btn-start-game{margin-top:16px}
.best-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;justify-content:center;color:var(--ink3);font-size:11px}

/* ---------- 接龙对局 ---------- */
.game-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:8px}
.game-top-right{display:flex;align-items:center;gap:10px}
.back-link{color:var(--ink2);font-size:13px}
.game-mode-tag{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700}
.scoreboard{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.score-cell{background:var(--card);padding:10px 4px;text-align:center}
.score-cell b{display:block;font-family:var(--serif);font-size:20px;line-height:1.2;color:var(--ink)}
.score-cell small{font-size:10px;color:var(--ink3)}
.score-cell.hot b{color:var(--brand)}
.turn-banner{margin:12px 0 0;padding:9px 14px;border-radius:10px;background:var(--bg2);border:1px dashed var(--line);
  font-size:13px;color:var(--ink2);text-align:center}
.turn-banner b{color:var(--brand)}
.target-card{margin-top:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
  border-radius:16px;padding:14px 18px;display:flex;align-items:center;gap:16px;
  box-shadow:0 8px 22px rgba(173,58,45,.2)}
.target-label{font-size:12px;opacity:.9;line-height:1.4;flex:1}
.target-label b{display:block;font-size:14px;opacity:1}
.target-char{font-family:var(--serif);font-size:46px;font-weight:700;line-height:1;min-width:52px;text-align:center}
.target-hint{font-size:11px;opacity:.85;flex:1;text-align:right;line-height:1.5}
.chain-head{display:flex;justify-content:space-between;color:var(--ink3);font-size:12px;margin:16px 2px 8px}
.chain-list{display:flex;flex-direction:column;gap:8px;max-height:min(38vh,340px);overflow-y:auto;padding-right:2px}
.chain-item{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:9px 12px;animation:fadeUp .25s both}
.chain-item .ci-no{width:24px;height:24px;border-radius:7px;background:var(--bg);color:var(--ink3);
  font-size:11px;display:grid;place-items:center;flex:none}
.chain-item .ci-word{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.08em}
.chain-item .ci-py{font-size:11px;color:var(--gold);margin-left:auto;white-space:nowrap}
.chain-item .ci-by{font-size:10px;color:var(--ink3);border:1px solid var(--line);border-radius:5px;padding:1px 5px;flex:none}
.chain-item.ai{background:color-mix(in srgb,var(--jade) 8%,var(--card))}
.chain-item.p2{background:color-mix(in srgb,var(--gold) 10%,var(--card))}
.chain-item.latest{border-color:var(--brand)}
.chain-empty{text-align:center;color:var(--ink3);font-size:12px;padding:18px;border:1px dashed var(--line);border-radius:12px}
.input-area{margin-top:14px;position:sticky;bottom:calc(72px + env(safe-area-inset-bottom));z-index:10;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow-lg)}
.input-row{display:flex;gap:8px}
.input-row input{flex:1;min-width:0;border:1px solid var(--line);background:var(--bg2);border-radius:10px;
  padding:0 12px;height:44px;font-size:16px}
.input-row input:focus{border-color:var(--brand)}
.suggest-list{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;max-height:82px;overflow-y:auto}
.suggest-list:empty{display:none}
.suggest-chip{padding:5px 9px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-family:var(--serif);white-space:nowrap}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}
.tool-btn{border:1px solid var(--line);border-radius:10px;padding:7px 2px;background:var(--bg2);text-align:center}
.tool-btn b{display:block;font-size:12px}
.tool-btn small{display:block;font-size:10px;color:var(--ink3)}
.tool-btn:disabled{opacity:.4}
.tool-btn:active{background:var(--brand-soft)}

/* ---------- 小游戏 ---------- */
.game-cards{display:grid;gap:10px}
.game-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;
  display:flex;align-items:center;gap:14px;text-align:left;box-shadow:var(--shadow)}
.game-card .gc-ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-family:var(--serif);font-size:22px;font-weight:700;flex:none}
.game-card b{display:block;font-size:15px}
.game-card small{display:block;color:var(--ink3);font-size:11px;margin-top:2px}
.game-card .gc-arrow{margin-left:auto;color:var(--ink3)}
.quiz-best{margin-top:16px;font-size:13px;color:var(--ink2)}
.quiz-best b{color:var(--brand)}
.quiz-progress{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink2);margin-bottom:12px}
.quiz-progress .bar{flex:1;height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.quiz-progress .bar i{display:block;height:100%;width:0;background:var(--brand);transition:width .3s}
.quiz-progress #quiz-score{color:var(--brand);font-weight:700}
.quiz-card{text-align:center;padding:24px 18px}
.quiz-label{font-size:11px;letter-spacing:.2em;color:var(--brand);margin-bottom:10px}
.quiz-stem{font-family:var(--serif);font-size:20px;line-height:1.8;color:var(--ink)}
.quiz-stem .blank{color:var(--brand);border-bottom:2px solid var(--brand);padding:0 6px}
.quiz-hint{margin-top:10px;font-size:12px;color:var(--ink3)}
.options{display:grid;gap:9px;margin-top:14px}
.option-btn{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 16px;
  text-align:left;font-family:var(--serif);font-size:17px;letter-spacing:.06em;box-shadow:var(--shadow);transition:.18s}
.option-btn:hover{border-color:var(--brand)}
.option-btn.right{background:color-mix(in srgb,var(--ok) 14%,var(--card));border-color:var(--ok);color:var(--ok)}
.option-btn.wrong{background:color-mix(in srgb,var(--danger) 12%,var(--card));border-color:var(--danger);color:var(--danger)}
.option-btn .opt-key{font-family:var(--sans);font-size:11px;color:var(--ink3);margin-right:10px}
.quiz-feedback{margin-top:12px;text-align:center;font-size:13px;color:var(--ink2);min-height:22px}
.quiz-feedback.ok{color:var(--ok)}.quiz-feedback.no{color:var(--danger)}
#quiz-next{margin-top:12px}

/* ---------- 我的 ---------- */
.profile-card{display:flex;align-items:center;gap:14px;background:linear-gradient(120deg,var(--brand),var(--brand2));
  color:#fff;border-radius:18px;padding:20px 18px;box-shadow:0 10px 26px rgba(173,58,45,.2)}
.avatar{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.5);
  display:grid;place-items:center;font-family:var(--serif);font-size:26px;font-weight:700;flex:none}
.profile-card b{font-family:var(--serif);font-size:19px}
.profile-card small{display:block;font-size:12px;opacity:.85}
.me-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.me-stats .ms{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 6px;text-align:center}
.me-stats .ms b{display:block;font-family:var(--serif);font-size:20px;color:var(--brand)}
.me-stats .ms small{font-size:11px;color:var(--ink3)}
.setting-list{padding:2px 16px}
.record-list{padding:6px 16px}
.record-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line2);font-size:13px}
.record-row:last-child{border:0}
.record-row span{color:var(--ink2)}
.record-row b{color:var(--brand);font-family:var(--serif);font-size:16px}
/* ---------- 联网对战 ---------- */
.on-intro b{font-family:var(--serif);font-size:16px}
.on-intro p{font-size:13px;color:var(--ink2);line-height:1.8;margin-top:6px}
.on-label{display:block;font-size:12px;color:var(--ink3);margin-bottom:6px}
.on-text{width:100%;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;
  background:var(--bg2);font-size:16px;color:var(--ink)}
.on-text:focus{border-color:var(--brand)}
.on-modes{display:grid;gap:8px}
.on-mode-card{border:1px solid var(--line);border-radius:12px;padding:11px 12px;text-align:left;
  background:var(--bg2);display:flex;gap:10px;align-items:center;transition:.18s}
.on-mode-card.on{border-color:var(--brand);background:color-mix(in srgb,var(--brand-soft) 55%,var(--card))}
.on-mode-card .om-ico{width:32px;height:32px;border-radius:9px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-family:var(--serif);font-size:17px;font-weight:700;flex:none}
.on-mode-card b{display:block;font-size:14px}
.on-mode-card small{display:block;color:var(--ink3);font-size:11px}
.on-check{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12px;color:var(--ink2)}
.on-check input{width:16px;height:16px;accent-color:var(--brand)}
.on-actions{display:flex;gap:8px;margin-top:14px}
.on-actions .btn{flex:1}
.on-join-row{display:flex;gap:8px}
.on-join-row .on-text{flex:1;text-transform:uppercase;letter-spacing:.12em}
.on-room-list{display:flex;flex-direction:column;gap:8px}
.on-room-item{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:12px;width:100%;text-align:left}
.on-room-item b{font-family:var(--serif);letter-spacing:.12em;font-size:16px}
.on-room-item small{color:var(--ink3);font-size:11px;display:block}
.on-room-item .or-join{margin-left:auto;color:var(--brand);font-size:12px}
.on-code-card{text-align:center}
.on-code-card small{color:var(--ink3);font-size:11px}
.on-code{font-family:var(--serif);font-size:34px;font-weight:700;letter-spacing:.28em;
  color:var(--brand);margin:6px 0 12px;cursor:pointer}
.on-players{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.on-pchip{border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:12px;background:var(--bg2)}
.on-pchip.me{border-color:var(--brand);color:var(--brand)}
.on-pchip.off{opacity:.45}
.on-conn{font-size:11px;color:var(--ok);display:flex;align-items:center;gap:5px}
.on-conn::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.on-conn.bad{color:var(--danger)}
.on-conn.bad::before{background:var(--danger)}
.on-mode-switch{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.on-mode-switch .chip{flex:1;text-align:center}
.on-hint{font-size:12px;color:var(--ink3);margin-top:10px;text-align:center}
.on-question{text-align:center;padding:18px}
.on-question .q-label{font-size:11px;letter-spacing:.2em;color:var(--brand)}
.on-question .q-stem{font-family:var(--serif);font-size:18px;line-height:1.8;margin-top:10px}
.on-question .q-meta{font-size:12px;color:var(--ink3);margin-top:8px}
.on-answer-note{text-align:center;font-size:13px;color:var(--ink2);margin-top:10px}
.on-board{padding:6px 16px;margin-top:14px}
.on-rank-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line2);font-size:13px}
.on-rank-row:last-child{border:0}
.on-rank-row .rk{width:22px;height:22px;border-radius:7px;background:var(--bg);display:grid;
  place-items:center;font-size:11px;color:var(--ink3);flex:none}
.on-rank-row.top .rk{background:var(--brand-soft);color:var(--brand)}
.on-rank-row .rn{flex:1}
.on-rank-row .rs{color:var(--brand);font-weight:700;font-family:var(--serif)}
.on-events{padding:6px 16px;margin-top:12px}
.on-event{font-size:12px;color:var(--ink2);padding:6px 0;border-bottom:1px dashed var(--line2)}
.on-event:last-child{border:0}
.on-chat-row{display:flex;gap:8px;margin-top:12px}
.on-chat-row .on-text{flex:1}
.on-result{text-align:center;padding:22px}
.on-result h3{font-family:var(--serif);font-size:22px;margin-bottom:4px}
.on-result .winner{color:var(--brand);font-family:var(--serif);font-size:20px;margin:10px 0}
.on-result .rr{display:flex;justify-content:space-between;padding:8px 2px;
  border-bottom:1px solid var(--line2);font-size:13px}
#on-again,#on-back-lobby{margin-top:12px}

/* ---------- 底部导航 ---------- */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:40;max-width:960px;margin:0 auto;
  display:grid;grid-template-columns:repeat(6,1fr);height:calc(62px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);background:color-mix(in srgb,var(--bg2) 92%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--ink3);font-size:10px}
.tab-ico{font-size:20px;line-height:1.1;font-family:var(--serif)}
.tab.on{color:var(--brand);font-weight:700}
.tab-main .tab-ico{width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:20px;margin-top:-8px;box-shadow:0 4px 12px rgba(173,58,45,.3)}
.tab-main.on .tab-ico{background:var(--brand2)}

/* ---------- 首屏加载 ---------- */
#loading-screen{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;transition:opacity .4s}
#loading-screen.hide{opacity:0;pointer-events:none}
.load-seal{width:70px;height:70px;border-radius:18px;background:var(--brand);color:#fff;display:grid;
  place-items:center;font-family:var(--serif);font-size:40px;font-weight:700;box-shadow:0 10px 30px rgba(173,58,45,.3);
  animation:breathe 1.8s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(.93)}}
#loading-screen p{font-family:var(--serif);font-size:16px;letter-spacing:.1em}
#loading-screen small{color:var(--ink3);font-size:11px}
.load-bar{width:180px;height:5px;border-radius:5px;background:var(--line);overflow:hidden}
.load-bar i{display:block;height:100%;width:8%;background:var(--brand);border-radius:5px;transition:width .3s}

/* ---------- 宽屏 ---------- */
@media (min-width:700px){
  #main{padding-left:24px;padding-right:24px}
  .hero{padding:38px 36px}.hero h1{font-size:42px}.hero-watermark{font-size:180px}
  .quick-grid{grid-template-columns:repeat(4,1fr)}
  .mode-grid{grid-template-columns:repeat(3,1fr)}
  .idiom-list{display:grid;grid-template-columns:repeat(2,1fr)}
  .chain-list{display:grid;grid-template-columns:repeat(2,1fr);max-height:330px}
  .options{grid-template-columns:repeat(2,1fr)}
  .game-cards{grid-template-columns:repeat(3,1fr)}
  .on-modes{grid-template-columns:repeat(3,1fr)}
  .on-mode-card{flex-direction:column;align-items:flex-start}
  .game-card{flex-direction:column;align-items:flex-start}
  .game-card .gc-arrow{display:none}
  #toast-root{bottom:90px}
}
@media (min-width:960px){ .tabbar{border-left:1px solid var(--line);border-right:1px solid var(--line)} }
@media (max-width:360px){
  .hero h1{font-size:27px}.brand-text small{display:none}
  .tool-btn b{font-size:11px}.seg button{padding:6px 7px;font-size:11px}
  .score-cell b{font-size:17px}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms !important;transition-duration:.01ms !important}}