/* 職安一點通 — 學科線上測驗（視覺沿用主站 osh-soeasy.com：黑字、紅色單一強調色、頂端警示斜紋） */
:root{
  --bg:#f6f5f2; --paper:#fff; --ink:#16191d; --ink2:#4a4f57; --muted:#80858d; --line:#e3e0d9;
  --red:#c8312b; --red-d:#9f241f; --red-l:#fbeceb; --hazard:#f2c230;
  /* 舊變數名保留給程式內嵌樣式使用 */
  --blue:#c8312b; --blue2:#9f241f; --yellow:#f2c230;
  --sel:#16191d; --sel-bg:#f1efea;
  --ok:#1f7a4d; --ok-bg:#e6f3ec; --bad:#b3261e; --bad-bg:#fbeceb;
  --radius:8px;
  --sans:"Noto Sans TC",-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  --mono:var(--sans);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);line-height:1.8;font-size:16px;letter-spacing:.02em;
  background:var(--bg);min-height:100vh;display:flex;flex-direction:column}
main{flex:1;outline:none;min-width:0;width:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-underline-offset:3px}
a:hover{color:var(--red-d)}
button,input,select{font:inherit;color:inherit}
.mono{font-variant-numeric:tabular-nums}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:8px 12px;z-index:999}.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--hazard);outline-offset:2px}
.boot{padding:80px 20px;text-align:center;color:var(--ink2)}
[hidden]{display:none!important}

/* header（同主站） */
.hazard{height:8px;background:repeating-linear-gradient(-45deg,var(--hazard) 0 14px,var(--ink) 14px 28px)}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:none}
.brand img{height:46px;width:auto}
.brand:hover{color:var(--ink)}
.mark{display:inline-grid;place-items:center;font-weight:900;font-size:13px;letter-spacing:.06em;background:var(--red);color:#fff;padding:3px 8px;line-height:1.3;border-radius:4px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:.06em}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.06em}
.menu{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center}
.menu a{display:block;padding:9px 11px;color:var(--ink);text-decoration:none;font-size:15.5px;font-weight:500;border-radius:6px;white-space:nowrap}
.menu a:hover{background:var(--red-l);color:var(--red-d)}
.menu a[aria-current]{color:var(--red);box-shadow:inset 0 -3px 0 var(--red);border-radius:0}
.user-link{display:flex!important;align-items:center;gap:6px;margin-left:6px;border:1.5px solid var(--ink)!important;border-radius:999px!important;padding:5px 14px!important;font-size:14.5px!important;box-shadow:none!important;color:var(--ink)!important}
.user-link::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red)}
.user-link:hover{background:var(--ink)!important;color:#fff!important}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* buttons（同主站） */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:6px;border:2px solid var(--ink);color:var(--ink);background:#fff;text-decoration:none;font-weight:700;font-size:15.5px;transition:.15s;cursor:pointer;line-height:1.4;min-height:44px}
.btn:hover{background:var(--ink);color:#fff}
.btn:disabled{opacity:.45;cursor:not-allowed;background:#fff;color:var(--ink)}
.btn-primary{background:var(--red);border-color:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-d);border-color:var(--red-d);color:#fff}
.btn-primary:disabled{background:var(--red);color:#fff}
.btn-yellow{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-yellow:hover{background:var(--red);border-color:var(--red);color:#fff}
.btn-sm{padding:5px 12px;font-size:14px;min-height:34px;border-width:1.5px}
.btn-link{background:none;border:0;padding:0;color:var(--red);font-weight:700;cursor:pointer;text-decoration:underline;min-height:0}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* page head（同主站內頁） */
.page-head{background:var(--ink);color:#fff;padding:36px 0 34px;position:relative}
.page-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--red)}
.crumbs{font-size:13.5px;color:#aab0b8;margin-bottom:4px}
.crumbs a{color:#fff;text-decoration:none}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span{margin:0 6px;opacity:.6}
.page-head h1{margin:6px 0 0;font-size:clamp(26px,4vw,40px);font-weight:900;letter-spacing:.06em;line-height:1.3}
.page-head .lead{margin:12px 0 0;color:#cfd2d6;max-width:46em}
.page-head .crumb{display:inline-block;margin-top:2px;color:#fff;text-decoration:none;font-weight:700;font-size:14px;opacity:.85}
.page-head .crumb:hover{color:#fff;opacity:1;text-decoration:underline}

section.block{margin-top:40px}
.sec-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.sec{font-size:24px;margin:0;font-weight:900;letter-spacing:.06em;display:flex;align-items:center;gap:12px}
.sec::before{content:"";width:10px;height:24px;background:var(--red);flex:none}
.sec .mono{display:none}
.muted{color:var(--ink2)}
.small{font-size:14px}

/* landing */
.land{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start;padding-top:44px}
.land h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin:0 0 14px;font-weight:900;letter-spacing:.04em}
.land .eyebrow{font-size:13px;color:var(--red);font-weight:700;margin:0 0 12px;letter-spacing:.14em}
.feature-list{list-style:none;padding:0;margin:18px 0 26px}
.feature-list li{position:relative;padding-left:26px;margin:10px 0;color:var(--ink2)}
.feature-list li b{color:var(--ink)}
.feature-list li::before{content:"";position:absolute;left:2px;top:.62em;width:12px;height:12px;background:var(--red);border-radius:2px}
.subj-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:var(--radius);font-size:15px;overflow:hidden}
.subj-table caption{text-align:left;padding:0 0 8px;font-weight:900;font-size:16px}
.subj-table th,.subj-table td{border-top:1px solid var(--line);padding:9px 14px;text-align:left}
.subj-table td.num{text-align:right;color:var(--red);font-weight:700;font-variant-numeric:tabular-nums}
.subj-table thead th{font-size:13px;color:var(--muted);background:#faf9f6;font-weight:500}

/* auth card */
.auth{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:var(--radius);box-shadow:0 18px 40px rgba(20,22,26,.10);overflow:hidden}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.auth-tabs button{background:#faf9f6;border:0;padding:14px;font-weight:700;font-size:16px;cursor:pointer;color:var(--muted)}
.auth-tabs button[aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:inset 0 -3px 0 var(--red)}
.auth-body{padding:24px}
.auth-note{font-size:14px;color:var(--ink2);margin:0 0 14px}
.field{margin-bottom:14px}
.field>label,.field>.lbl{display:block;font-weight:700;font-size:15px;margin-bottom:4px}
.field .hint{font-weight:400;color:var(--muted);font-size:13px;margin-left:4px}
.input{width:100%;padding:10px 12px;border:1.5px solid #cfcbc2;background:#fff;font-size:16px;min-height:46px;border-radius:6px}
.input:focus{outline:3px solid var(--red-l);outline-offset:0;border-color:var(--ink)}
.chk{display:flex;gap:8px;align-items:flex-start;font-size:15px;margin:6px 0;cursor:pointer;line-height:1.6}
.chk input{margin-top:4px;width:18px;height:18px;flex:none;accent-color:var(--red)}
.chip-set{display:flex;flex-wrap:wrap;gap:6px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;padding:5px 14px;border:1.5px solid #cfcbc2;border-radius:999px;background:#fff;font-size:14.5px;cursor:pointer;user-select:none}
.chip input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.chip input:focus-visible+span{outline:3px solid var(--hazard)}
.form-err{background:var(--bad-bg);color:var(--bad);border-left:4px solid var(--bad);border-radius:4px;padding:8px 12px;font-size:15px;margin-bottom:12px}
.form-ok{background:var(--ok-bg);color:var(--ok);border-left:4px solid var(--ok);border-radius:4px;padding:8px 12px;font-size:15px;margin-bottom:12px}
.pw-wrap{position:relative}
.pw-wrap .input{padding-right:64px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--red);font-size:13.5px;font-weight:700;cursor:pointer;padding:6px}

/* notices */
.notice{background:#fff8e0;border:1px solid #f1dd9c;border-left:4px solid var(--hazard);border-radius:6px;padding:12px 16px;font-size:15px;margin:20px 0 0;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.notice.dev{background:#f3f2ee;border-color:var(--line);border-left-color:var(--ink);word-break:break-all}

/* dashboard exam cards（同主站 tile） */
.exam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.exam-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:var(--radius);padding:20px 22px;display:flex;flex-direction:column;gap:10px;color:var(--ink);text-decoration:none;transition:.15s}
.exam-card:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(20,22,26,.08);border-top-color:var(--red);color:var(--ink)}
.exam-card.mine{border-top-color:var(--red)}
.exam-card .code{font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;font-variant-numeric:tabular-nums}
.exam-card h3{margin:0;font-size:20px;line-height:1.4;font-weight:900}
.exam-card h3 .lv{display:inline-block;font-size:12.5px;font-weight:700;color:var(--red);border:1.5px solid var(--red);border-radius:4px;padding:0 7px;margin-left:6px;vertical-align:middle}
.bar{height:8px;background:#ece9e2;border-radius:4px;position:relative;overflow:hidden}
.bar i{position:absolute;left:0;top:0;bottom:0;background:var(--red);border-radius:4px}
.bar i.ok{background:var(--ok)}
.kv{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--ink2)}
.kv b{color:var(--ink);font-size:15px;font-variant-numeric:tabular-nums}

/* exam home */
.modes{display:grid;grid-template-columns:1.3fr .7fr;gap:22px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.panel.accent{border-top:4px solid var(--ink)}
.panel.yellow{border-top:4px solid var(--red)}
.panel h3{margin:0 0 4px;font-size:20px;font-weight:900}
.panel .sub{margin:0 0 14px;color:var(--ink2);font-size:15px}
.sec-list{list-style:none;padding:0;margin:0 0 14px;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.sec-list li{border-top:1px solid var(--line)}
.sec-list li:first-child{border-top:0}
.sec-list label{display:grid;grid-template-columns:22px 1fr auto;gap:10px;align-items:center;padding:9px 12px;cursor:pointer}
.sec-list label:hover{background:#faf9f6}
.sec-list input{width:18px;height:18px;accent-color:var(--red);margin:0}
.sec-list .nm{font-size:15px;line-height:1.45}
.sec-list .nm small{display:block;color:var(--muted);font-size:12.5px}
.sec-list .ct{font-size:13px;color:var(--ink2);text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.sec-list .mini{display:block;width:72px;height:4px;background:#ece9e2;margin-top:4px;margin-left:auto;position:relative;border-radius:2px;overflow:hidden}
.sec-list .mini i{position:absolute;inset:0 auto 0 0;background:var(--red)}
.sec-list .all{background:#faf9f6;font-weight:700}
.opt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 18px;margin-bottom:16px}
.seg{display:flex;border:1.5px solid #cfcbc2;border-radius:6px;background:#fff;overflow:hidden}
.seg label{flex:1;position:relative}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:7px 4px;font-size:14.5px;cursor:pointer;border-left:1px solid #e3e0d9;user-select:none}
.seg label:first-child span{border-left:0}
.seg input:checked+span{background:var(--ink);color:#fff;font-weight:700}
.seg input:focus-visible+span{outline:3px solid var(--hazard);outline-offset:-3px}
.mock-spec{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:6px;margin:12px 0 16px;overflow:hidden;background:#faf9f6}
.mock-spec div{padding:10px 12px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.mock-spec div:nth-child(2n){border-right:0}
.mock-spec div:nth-last-child(-n+2){border-bottom:0}
.mock-spec span{display:block;font-size:12px;color:var(--muted)}
.mock-spec b{font-size:24px;font-weight:900;color:var(--red);font-variant-numeric:tabular-nums}
.side-stack{display:flex;flex-direction:column;gap:22px}

/* history table */
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.tbl th,.tbl td{border-top:1px solid var(--line);padding:9px 12px;text-align:left;white-space:nowrap}
.tbl thead th{background:#faf9f6;color:var(--muted);font-weight:500;font-size:13px;border-top:0}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}
.pass{color:var(--ok);font-weight:700}.fail{color:var(--bad);font-weight:700}
.empty{padding:28px;text-align:center;color:var(--ink2);background:#fff;border:1px dashed #d6d2c8;border-radius:var(--radius)}

/* quiz runner */
.qbar{position:sticky;top:73px;z-index:30;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 12px rgba(20,22,26,.04)}
.qbar .wrap{display:flex;align-items:center;gap:14px;min-height:58px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.qbar .title{font-weight:900;font-size:16px;line-height:1.35;flex:1;min-width:0}
.qbar .title small{display:block;font-weight:400;color:var(--muted);font-size:13px}
.qbar .count{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.timer{font-weight:700;font-size:17px;background:var(--ink);color:#fff;padding:3px 12px;border-radius:6px;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.timer.warn{background:var(--red)}
.qprog{height:4px;background:#ece9e2}
.qprog i{display:block;height:100%;background:var(--red);transition:width .25s}
.quiz-layout{display:grid;grid-template-columns:1fr 250px;gap:22px;padding-top:24px;align-items:start}
.quiz-layout.solo{grid-template-columns:minmax(0,860px);justify-content:center}
.qcard{background:#fff;border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:var(--radius);position:relative;min-width:0;overflow:hidden}
.qhead{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 18px;border-bottom:1px solid var(--line);background:#faf9f6;font-size:13.5px}
.tag{font-weight:700;font-size:12.5px;padding:1px 9px;background:var(--ink);color:#fff;border-radius:4px;letter-spacing:.04em}
.tag.multi{background:var(--red)}
.tag.common{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.qhead .src{color:var(--ink2)}
.qhead .qno{margin-left:auto;color:var(--muted);font-variant-numeric:tabular-nums}
.qbody{padding:22px 22px 8px}
.qnum{font-weight:900;color:var(--red);font-size:17px;margin-right:6px;font-variant-numeric:tabular-nums}
.stem{font-size:18px;line-height:1.85;margin:0 0 16px;overflow-wrap:anywhere}
.blank{display:inline-block;min-width:3.2em;border-bottom:2px solid var(--ink);margin:0 4px;vertical-align:baseline;height:1.1em}
.qfig{margin:0 0 16px}
.qfig figcaption{font-size:12.5px;color:var(--muted);margin-top:2px}
.qimg{margin:0;background:#fff;border:1px solid var(--line);border-radius:6px;padding:8px;cursor:zoom-in;display:inline-block;max-width:100%}
.qimg img{max-width:100%}
.multi-hint{font-size:14px;color:var(--red-d);background:var(--red-l);padding:4px 12px;border-radius:4px;display:inline-block;margin-bottom:12px;font-weight:500}
.opts{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:10px}
.opt{display:grid;grid-template-columns:40px 1fr 28px;align-items:center;gap:10px;width:100%;text-align:left;background:#fff;border:1.5px solid #d6d2c8;border-radius:8px;padding:10px 12px;cursor:pointer;font-size:16.5px;line-height:1.6;min-height:54px;transition:border-color .12s,background .12s}
.opt:hover:not(:disabled){border-color:var(--ink);background:#faf9f6}
.opt:focus-visible{outline:3px solid var(--hazard);outline-offset:1px}
.opt .lab{display:inline-grid;place-items:center;width:32px;height:32px;border:1.5px solid var(--ink);border-radius:50%;font-weight:700;font-size:15px;background:#fff}
.opt.multi .lab{border-radius:6px}
.opt.sel{border-color:var(--sel);background:var(--sel-bg)}
.opt.sel .lab{background:var(--sel);color:#fff;border-color:var(--sel)}
.opt .mk{font-weight:900;font-size:18px;text-align:center}
.opt.right{border-color:var(--ok);background:var(--ok-bg)}
.opt.right .lab{background:var(--ok);border-color:var(--ok);color:#fff}
.opt.right .mk{color:var(--ok)}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.opt.wrong .lab{background:var(--bad);border-color:var(--bad);color:#fff}
.opt.wrong .mk{color:var(--bad)}
.opt.missed{border-style:dashed;border-color:var(--ok)}
.opt:disabled{cursor:default;color:var(--ink)}
.qfoot{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:14px 22px 18px;border-top:1px solid var(--line)}
.verdict{font-weight:900;font-size:16.5px;display:flex;align-items:center;gap:8px}
.verdict.ok{color:var(--ok)}.verdict.no{color:var(--bad)}
.verdict small{font-weight:400;color:var(--ink2);font-size:14.5px}
.qfoot .spacer{flex:1}
.flag-btn.on{background:var(--hazard);border-color:var(--hazard);color:var(--ink)}
.kbd-hint{font-size:12.5px;color:var(--muted);margin-top:8px;text-align:right}

/* navigator */
.navi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;position:sticky;top:152px}
.navi h4{margin:0 0 8px;font-size:15px;display:flex;justify-content:space-between}
.navi-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;max-height:52vh;overflow:auto}
.navi-grid button{aspect-ratio:1;border:1px solid #d6d2c8;border-radius:4px;background:#fff;font-size:11.5px;cursor:pointer;padding:0;position:relative;font-variant-numeric:tabular-nums}
.navi-grid button.ans{background:var(--ink);border-color:var(--ink);color:#fff}
.navi-grid button.cur{outline:2px solid var(--red);outline-offset:1px}
.navi-grid button.flag::after{content:"";position:absolute;right:1px;top:1px;width:0;height:0;border-left:7px solid transparent;border-top:7px solid var(--hazard)}
.navi-grid button.r{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}
.navi-grid button.w{background:var(--bad-bg);border-color:var(--bad);color:var(--bad)}
.navi-sep{grid-column:1/-1;font-size:11.5px;color:var(--muted);margin-top:4px}
.navi .legend{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--ink2);margin-top:10px}
.navi .legend i{display:inline-block;width:10px;height:10px;margin-right:4px;vertical-align:-1px;border:1px solid #d6d2c8;border-radius:2px}
.navi-toggle{display:none}

/* result */
.score-sheet{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-top:4px solid var(--red);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:0 12px 26px rgba(20,22,26,.06)}
.score-sheet>div{padding:16px 18px;border-right:1px solid var(--line)}
.score-sheet>div:last-child{border-right:0}
.score-sheet span{display:block;font-size:12.5px;color:var(--muted)}
.score-sheet b{font-size:34px;font-weight:900;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.score-sheet .big b{font-size:52px;color:var(--red)}
.score-sheet .verdict-cell{background:#faf9f6}
.stamp{display:inline-block;border:3px solid currentColor;border-radius:6px;padding:2px 12px;font-size:22px;font-weight:900;transform:rotate(-4deg);margin-top:4px;letter-spacing:.2em}
.stamp.pass{color:var(--ok)}.stamp.fail{color:var(--bad)}
.breakdown{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);font-size:15px;overflow:hidden}
.breakdown th,.breakdown td{padding:9px 12px;border-top:1px solid var(--line);text-align:left}
.breakdown td.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.breakdown .bar{width:120px;display:inline-block;vertical-align:middle}
.review-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--bad);border-radius:6px;padding:14px 16px;margin-bottom:12px}
.review-item.ok{border-left-color:var(--ok)}
.review-item .meta{font-size:13px;color:var(--muted);margin-bottom:4px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.review-item .q{margin:0 0 6px}
.review-item ol{margin:6px 0;padding-left:0;list-style:none}
.review-item li{padding:2px 0 2px 2px;font-size:15.5px}
.review-item li.c{color:var(--ok);font-weight:700}
.review-item li.u{color:var(--bad);text-decoration:line-through}
.review-item li.c.u{text-decoration:none}
.review-item .ans{font-size:14.5px;margin-top:6px}
.review-item .qimg{max-width:560px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}

/* account */
.acc-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}

/* modal / toast / lightbox */
.modal{position:fixed;inset:0;z-index:300;background:rgba(10,12,14,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.modal-box{background:#fff;border-top:4px solid var(--red);border-radius:var(--radius);box-shadow:0 24px 60px rgba(0,0,0,.25);max-width:440px;width:100%;padding:24px}
.modal-box h3{margin:0 0 8px;font-size:20px;font-weight:900}
.modal-body{color:var(--ink2);font-size:15.5px;margin-bottom:18px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:400;background:var(--ink);color:#fff;padding:10px 20px;border-radius:999px;font-size:15px;max-width:calc(100% - 32px)}
.lightbox{position:fixed;inset:0;z-index:250;background:rgba(10,12,14,.94);display:flex;align-items:center;justify-content:center;padding:12px}
.lightbox img{max-width:96vw;max-height:90vh;width:auto;background:#fff;padding:8px;border-radius:4px}
.lightbox button{position:absolute;top:8px;right:12px;background:none;border:0;color:#fff;font-size:44px;cursor:pointer;line-height:1}
.prose{max-width:860px;padding-bottom:40px}
.prose h2{font-size:21px;font-weight:900;margin:30px 0 8px}

/* footer（同主站） */
.site-footer{margin-top:72px;background:var(--ink);color:#c3c7cc;font-size:15px;padding:48px 0 22px}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;margin:0 0 10px;font-size:15px;letter-spacing:.1em}
.site-footer p{margin:0 0 10px}
.f-logo{background:#fff;padding:6px 10px;border-radius:6px;height:58px;width:auto;margin-bottom:12px}
.f-brand{color:#fff;font-weight:700;font-size:16px;margin:0 0 8px}
.copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;font-size:13px;color:#8d939b}
body.in-quiz .site-footer{margin-top:44px}

/* LINE 社群卡 */
.line-card{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-top:4px solid #06C755;border-radius:var(--radius);padding:22px 24px}
.line-card .line-qr{width:150px;height:150px;border:1px solid var(--line);border-radius:6px;padding:6px;background:#fff}
.line-card h3{margin:0 0 6px;font-size:20px;font-weight:900}
.line-card p{margin:0 0 14px;color:var(--ink2);font-size:15px}
.line-card .eyebrow-s{font-size:12.5px;letter-spacing:.14em;color:#06a14a;font-weight:700;margin:0 0 4px}
.btn-line{background:#06C755;border-color:#06C755;color:#fff}
.btn-line:hover{background:#04a648;border-color:#04a648;color:#fff}
@media (max-width:560px){.line-card{grid-template-columns:1fr;text-align:left;padding:18px 16px}.line-card .line-qr{display:none}.btn-line{width:100%}}

/* responsive */
@media (max-width:1000px){
  .land{grid-template-columns:1fr;gap:28px;padding-top:28px}
  .land .auth{order:-1}
  .modes{grid-template-columns:1fr}
  .quiz-layout{grid-template-columns:1fr}
  .navi{position:static;order:2}
  .acc-grid{grid-template-columns:1fr}
  .score-sheet{grid-template-columns:1fr 1fr}
  .score-sheet>div:nth-child(2){border-right:0}
  .score-sheet>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:1180px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;height:calc(100vh - 72px);background:#fff;overflow-y:auto;padding:12px 16px 40px;border-top:1px solid var(--line)}
  body.nav-open{overflow:hidden}
  body.nav-open .site-nav{display:block}
  .menu{flex-direction:column;align-items:stretch}
  .menu a{font-size:17px;padding:14px 10px;border-bottom:1px solid var(--line);border-radius:0}
  .menu a[aria-current]{box-shadow:inset 4px 0 0 var(--red)}
  .user-link{margin:14px 0 0;justify-content:center}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .footer-grid{grid-template-columns:1fr;gap:22px}
}
@media (max-width:560px){
  .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .brand img{height:38px}
  .header-inner{min-height:62px}
  .site-nav{height:calc(100vh - 62px)}
  .qbar{top:63px}
  .page-head{padding:24px 0 28px}
  .auth-body{padding:18px 16px}
  .opt-grid{grid-template-columns:1fr}
  .panel{padding:18px 16px}
  .qbody{padding:18px 14px 4px}
  .stem{font-size:17px}
  .opt{grid-template-columns:34px 1fr 22px;font-size:16px;padding:9px 10px;gap:8px}
  .opt .lab{width:28px;height:28px;font-size:14px}
  .qfoot{padding:12px 14px 14px}
  .qfoot .btn{flex:1;padding:8px 10px;white-space:nowrap}
  .qfoot .spacer{display:none}
  .verdict{width:100%}
  .navi-grid{grid-template-columns:repeat(8,1fr)}
  .score-sheet b{font-size:26px}
  .score-sheet .big b{font-size:40px}
  .breakdown .bar{width:60px}
  .exam-grid{grid-template-columns:1fr}
  .kbd-hint{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}