:root{
  --bg:#1a1d21; --panel:#22262b; --panel2:#2a2f35; --border:#3a4047;
  --txt:#e6e6e6; --mut:#9aa0a8; --accent:#e85d5d; --accent2:#4caf50; --link:#6db4ff;
  --chapter:#2b3138; --chapter-hover:#323840; --spine:#4a3333; --sec-nm:#f0f0f0;
  --sec-hover:rgba(255,255,255,.035); --kp-bg:#161a1e; --kp-border:#2c3238; --kp-line:#2a3036;
  --kp-nm:#cfd3d8; --star-off:#5c636a; --ok-bg:#1f3a22; --ok-fg:#c8f0c8; --bad-bg:#3a2222;
  --ans-bg:#1f2d1f; --input-bg:#1b1f24; --empty:#6a7078;
}
html[data-theme="light"]{
  --bg:#e7f6ee; --panel:#fff; --panel2:#f3faf6; --border:#d3e6da;
  --txt:#243028; --mut:#5d6b63; --accent:#e85d04; --accent2:#2f9d57; --link:#1a73c7;
  --chapter:#f7fbf8; --chapter-hover:#eef6f1; --spine:#f0c8c0; --sec-nm:#243028;
  --sec-hover:rgba(0,0,0,.03); --kp-bg:#f7fbf8; --kp-border:#dce8e1; --kp-line:#e4eee8;
  --kp-nm:#334038; --star-off:#c5cdc8; --ok-bg:#e8f7ec; --ok-fg:#1b6b34; --bad-bg:#fdecec;
  --ans-bg:#eef8f0; --input-bg:#fff; --empty:#8a938d;
}
*{box-sizing:border-box}
input[type="number"]::-webkit-outer-spin-button,input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
input[type="number"]{-moz-appearance:textfield;appearance:textfield}
html,body{width:100%;min-height:100%;scrollbar-width:none;-ms-overflow-style:none;overscroll-behavior:none}
html::-webkit-scrollbar,body::-webkit-scrollbar{width:0;height:0;display:none}
body{margin:0;background:var(--bg);color:var(--txt);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.6}
body.exam-page{height:100dvh;overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none}
body.exam-page input,body.exam-page textarea,body.exam-page [contenteditable="true"]{-webkit-user-select:text;user-select:text}

a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.admin-link{color:var(--mut);font-size:14px}
.brand{font-size:18px;font-weight:700;color:var(--accent)}
.crumbs{color:var(--mut);font-size:14px}
.container{width:100%;max-width:none;margin:0;padding:16px 24px 40px}
.q .stem img,.q .opts img,.q .ana img{max-width:100%;height:auto}
.foot{text-align:center;color:var(--mut);font-size:12px;padding:24px}

.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px 20px;margin-bottom:14px}
.head-card{display:flex;align-items:center;justify-content:space-between;gap:20px}
.head-main{min-width:0}
.head-main h2{margin:0;font-size:22px}
.head-card .stats{margin:0;flex:0 0 auto}
.card h2{margin:0 0 4px;font-size:18px}
.mut{color:var(--mut);font-size:13px}

.stats{display:flex;gap:18px;flex-wrap:wrap;margin:8px 0 4px}
.stat{background:var(--panel2);border-radius:8px;padding:10px 16px}
.stat b{font-size:22px;color:var(--accent)}
.stat span{display:block;color:var(--mut);font-size:12px}

.chap{display:flex;align-items:center;gap:14px;cursor:pointer}
.chap .idx{flex:0 0 36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.chap .meta{flex:1}
.chap .meta .nm{font-size:16px;font-weight:600}
.chap .meta .sub{color:var(--mut);font-size:13px}
.chap .arr{color:var(--mut)}

.sec-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.sec-row:last-child{border-bottom:none}
.sec-row .nm{flex:1;font-size:15px}
.sec-row .qn{color:var(--mut);font-size:13px}
.btn{display:inline-block;padding:6px 14px;border-radius:6px;background:var(--accent);color:#fff;font-size:13px;border:none;cursor:pointer;font-family:inherit}
button.btn{line-height:1.4}
.prog form{margin:0}
.btn.ghost{background:var(--panel2);color:var(--txt);border:1px solid var(--border)}

.q{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:12px}
.q .tag{display:inline-block;font-size:12px;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:1px 6px;margin-bottom:8px}
.q .stem{font-size:15px;margin-bottom:10px}
.q .opts{list-style:none;padding:0;margin:0}
.q .opts li{padding:8px 12px;margin:6px 0;border:1px solid var(--border);border-radius:6px;background:var(--panel2)}
.q .opts li .mk{font-weight:700;margin-right:8px}
.q .opts li.correct{border-color:var(--accent2);background:var(--ok-bg);color:var(--ok-fg)}
.q .opts li.picked{outline:1px solid var(--link)}
.q .opts li.wrong{border-color:var(--accent);background:var(--bad-bg)}
.q .opts label{display:flex;align-items:flex-start;gap:8px;cursor:pointer}
.q .opts input{margin-top:4px}

.tracks{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.track{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.track-name{min-width:72px;color:var(--accent);font-weight:700}
.course{padding:4px 12px;border:1px solid var(--border);border-radius:999px;color:var(--txt)}
.course-rail{display:grid;grid-template-columns:minmax(112px,148px) minmax(0,1fr);gap:0;padding:0;overflow:hidden;margin-bottom:14px}
.course-rail-tracks{display:flex;flex-direction:column;gap:2px;padding:8px 6px;background:var(--panel2);border-right:1px solid var(--border)}
.course-rail-track{display:block;width:100%;text-align:left;padding:9px 10px;border:none;border-left:3px solid transparent;border-radius:0 8px 8px 0;background:transparent;color:var(--mut);font:inherit;font-size:13px;font-weight:600;cursor:pointer;line-height:1.3}
.course-rail-track:hover{color:var(--txt);background:rgba(255,255,255,.04)}
.course-rail-track.on{color:var(--accent);border-left-color:var(--accent);background:rgba(232,93,93,.12)}
.course-rail-body{display:flex;flex-direction:column;gap:10px;padding:12px 14px;min-width:0}
.course-rail-panel{display:none}
.course-rail-panel.on{display:block}
.course-rail-chips{display:flex;flex-wrap:wrap;gap:8px}
.course-chip{display:inline-flex;align-items:center;gap:6px;max-width:100%;padding:7px 12px;border:1px solid var(--border);border-radius:8px;background:var(--panel2);color:var(--txt);font:inherit;font-size:13px;font-weight:600;line-height:1.3;text-decoration:none;cursor:pointer}
.course-chip:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.course-chip.on{border-color:var(--accent);background:rgba(232,93,93,.14);color:var(--accent)}
.course-chip.locked{opacity:.72;color:var(--mut)}
.course-chip.locked:hover{border-color:rgba(232,93,93,.45);color:var(--mut)}
.trial-tag{display:inline-block;margin-left:6px;padding:1px 6px;border-radius:4px;background:rgba(232,93,93,.12);color:var(--accent);font-size:11px;font-weight:600;vertical-align:middle}
.sec-free > summary .nm{color:var(--txt)}
.kp-row.kp-free .nm{color:var(--accent)}
.kp-row.kp-locked{opacity:.72}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.trial-head{margin-bottom:14px}
.trial-head h1{margin:0 0 6px}
.trial-head .mut{margin:0;max-width:52rem;line-height:1.55}
.trial-head .mut strong{color:var(--txt);font-weight:600}
.trial-toolbar{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 16px;padding:14px 16px;margin-bottom:12px}
.trial-course{min-width:min(100%,280px);flex:1}
.trial-course span{display:block;margin-bottom:6px;font-size:12px;color:var(--mut)}
.trial-course select{width:100%}
.trial-status{display:flex;align-items:center;gap:8px}
.trial-status .pill.on{border-color:rgba(232,93,93,.4);background:rgba(232,93,93,.1);color:var(--accent)}
.trial-form{padding:4px 0 0}
.trial-tree{display:flex;flex-direction:column;gap:10px;padding:12px 16px 4px;margin-bottom:4px}
.trial-chapter,.trial-sec-block{border:1px solid var(--border);border-radius:12px;background:var(--panel2)}
.trial-chapter{overflow:hidden}
.trial-chapter > summary,.trial-sec-block > summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none;padding:12px 14px}
.trial-chapter > summary::-webkit-details-marker,.trial-sec-block > summary::-webkit-details-marker{display:none}
.trial-ch-name,.trial-sec-name{font-weight:650;line-height:1.35}
.trial-meta{flex:0 0 auto;font-size:12px;color:var(--mut);white-space:nowrap}
.trial-sections{display:flex;flex-direction:column;gap:8px;padding:0 12px 12px}
.trial-sec-block{background:var(--panel)}
.trial-kps{display:flex;flex-direction:column;gap:4px;padding:0 10px 10px}
.trial-kp{display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border-radius:8px;border:1px solid transparent;cursor:pointer}
.trial-kp:hover{background:var(--panel2);border-color:var(--border)}
.trial-kp:has(input:checked){background:rgba(232,93,93,.08);border-color:rgba(232,93,93,.28)}
.trial-kp input{margin:3px 0 0;flex:0 0 auto}
.trial-kp-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.trial-kp-title{font-size:13px;font-weight:600;line-height:1.4}
.trial-kp-sub{font-size:12px;line-height:1.35}
.trial-actions{padding:12px 16px 16px;border-top:1px solid var(--border);margin-top:8px}

.course-lock{display:inline-flex;align-items:center;padding:0 5px;border-radius:999px;border:1px solid rgba(232,93,93,.35);background:rgba(232,93,93,.1);color:var(--accent);font-size:10px;font-weight:700;white-space:nowrap}
.course-rail-meta{display:flex;align-items:center;justify-content:space-between;gap:12px 16px;padding-top:10px;border-top:1px solid var(--border)}
.course-rail-info{min-width:0}
.course-rail-title{margin:0;font-size:17px;font-weight:700;line-height:1.3}
.course-rail-sub{margin-top:2px;font-size:12px;line-height:1.4}
.course-rail-warn{margin-top:4px;font-size:12px;color:var(--accent)}
.course-rail-stats{display:flex;gap:8px;flex:0 0 auto}
.stat.mini{padding:6px 12px;border-radius:8px;background:var(--panel2);text-align:center;min-width:56px}
.stat.mini b{display:block;font-size:16px;line-height:1.2;color:var(--accent)}
.stat.mini span{display:block;margin-top:2px;font-size:11px;color:var(--mut)}
.tree.is-locked{opacity:.55;pointer-events:none}
.member-chip{font-size:13px;color:var(--mut);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.inline-logout{margin:0;display:inline-flex}
@media (max-width:720px){
  .course-rail{grid-template-columns:1fr}
  .course-rail-tracks{flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--border)}
  .course-rail-track{width:auto;border-left:none;border-bottom:2px solid transparent;border-radius:8px;padding:8px 10px}
  .course-rail-track.on{border-bottom-color:var(--accent);border-left-color:transparent}
  .course-rail-meta{flex-wrap:wrap}
}
.course.on{background:var(--accent);border-color:var(--accent);color:#fff}
.course:hover{text-decoration:none}

.line{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0}
.line input,.line select{background:var(--input-bg);color:var(--txt);border:1px solid var(--border);border-radius:6px;padding:6px 8px}
.course-admin{padding:8px 0;border-top:1px solid var(--border)}
.ok{color:var(--accent2)}
.err{color:var(--accent)}
.dlg{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);padding:24px}
.dlg[hidden]{display:none}
.dlg-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:22px 22px 16px;box-shadow:0 16px 48px rgba(0,0,0,.4)}
.dlg-msg{margin:0 0 18px;font-size:15px;line-height:1.6}
.dlg-actions{display:flex;justify-content:flex-end;gap:8px}
.resume-dlg{position:fixed;inset:0;z-index:85;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.52);padding:24px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.resume-card{width:min(400px,100%);background:var(--panel);color:var(--txt);border:1px solid var(--border);border-radius:14px;padding:0 0 20px;box-shadow:0 18px 48px rgba(0,0,0,.35)}
.resume-head{display:flex;align-items:center;gap:12px;padding:18px 22px 14px;border-bottom:1px solid var(--border)}
.resume-ico{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:rgba(245,166,35,.16);color:#f0a020;border:1px solid rgba(245,166,35,.4);font-size:15px;font-weight:700;line-height:26px;text-align:center}
.resume-title{font-size:16px;font-weight:700;color:var(--txt);letter-spacing:.02em}
.resume-msg{margin:26px 24px 22px;text-align:center;font-size:14px;line-height:1.75;color:var(--mut)}
.resume-actions{display:flex;justify-content:center;gap:12px;padding:0 22px;flex-wrap:wrap}
.resume-btn{min-width:128px;padding:9px 18px;border-radius:8px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;outline:none;transition:background .15s ease,border-color .15s ease,color .15s ease,filter .15s ease,transform .1s ease,box-shadow .15s ease}
.resume-btn:active{transform:scale(.98)}
.resume-btn:focus{outline:none;box-shadow:none}
.resume-btn:focus-visible{box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--link)}
.resume-local{border:1px solid transparent;background:var(--link);color:#fff}
.resume-local:hover{filter:brightness(1.1)}
.resume-cloud{border:1px solid var(--border);background:var(--panel2);color:var(--txt)}
.resume-cloud:hover{border-color:var(--link);color:var(--link)}
html[data-theme="light"] .resume-dlg{background:rgba(36,48,40,.38)}
html[data-theme="light"] .resume-card{box-shadow:0 18px 48px rgba(36,48,40,.14)}
html.eye-mode .resume-ico{background:rgba(176,140,60,.2);color:#b8860b;border-color:rgba(176,140,60,.45)}
html.eye-mode .resume-local{background:#6a9bd1}
.q .ans{margin-top:10px;padding:10px 12px;background:var(--ans-bg);border-left:3px solid var(--accent2);border-radius:4px;font-size:14px}
.q .ans b{color:var(--accent2)}
.q .ana{margin-top:10px;padding:12px;background:var(--panel2);border:1px solid var(--border);border-radius:6px;color:var(--mut);font-size:14px;line-height:1.7}
.q .ana .h{color:var(--txt);font-weight:600;margin-bottom:8px;font-size:14px}
.q .ana .ana-empty{color:var(--empty);font-style:italic}
.q .kp{margin-top:6px;font-size:12px;color:var(--mut)}
.q .kp span{background:var(--panel2);padding:2px 8px;border-radius:4px;margin-right:6px}
.qtype{font-size:12px;color:var(--mut);margin-left:8px}

.tree.card{padding:0;background:transparent;border:none}
.node{border-bottom:none}
.node > summary{list-style:none;display:grid;grid-template-columns:22px minmax(0,1fr) var(--prog-w, 25.5em);align-items:center;column-gap:12px;cursor:pointer;user-select:none}
.node > summary::-webkit-details-marker{display:none}
.node > summary .nm{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.node > summary .meta{color:var(--mut);font-size:13px;font-weight:400;text-align:right;white-space:nowrap}
.toggle{position:relative;width:22px;height:22px;border-radius:50%;background:var(--accent);display:block}
.toggle::before,.node:not([open]) > summary .toggle::after{content:"";position:absolute;left:50%;top:50%;background:#fff;border-radius:1px;transform:translate(-50%,-50%)}
.toggle::before{width:10px;height:2px}
.node:not([open]) > summary .toggle::after{width:2px;height:10px}

.chapter{margin-bottom:10px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--panel);--prog-w:25.5em}
.chapter > summary{padding:15px 22px;background:var(--chapter);border-left:4px solid var(--accent)}
.chapter > summary:hover{background:var(--chapter-hover)}
.chapter > summary .nm{font-size:17px;font-weight:700;letter-spacing:.2px}
.chapter > .children{position:relative;padding:6px 0 10px}
.chapter > .children::before{content:"";position:absolute;left:32px;top:8px;bottom:14px;width:2px;background:var(--spine);border-radius:1px}

.section{margin:0}
.section > summary{padding:10px 22px 10px 52px}
.section > summary:hover{background:var(--sec-hover)}
.section > summary .nm{font-size:15px;font-weight:600;color:var(--sec-nm)}
.section > summary .toggle{width:16px;height:16px;background:#b94444}
.section > summary .toggle::before{width:8px;height:2px}
.section:not([open]) > summary .toggle::after{width:2px;height:8px}
.nm-block{min-width:0;display:flex;flex-direction:column;gap:6px}
.mini-bar{display:block;width:100%;max-width:220px;height:3px;border-radius:99px;background:var(--border);overflow:hidden}
.mini-bar > i{display:block;height:100%;width:var(--p,0%);background:var(--accent);border-radius:inherit;transition:width .25s ease}

.kp-list{margin:2px 0 8px;padding:0 22px 0 78px;background:transparent;border:none}
.kp-row{display:grid;grid-template-columns:minmax(0,1fr) var(--prog-w, 25.5em);align-items:center;column-gap:12px;padding:0;border:none;background:transparent}
.kp-main{min-width:0;padding:10px 16px;background:var(--kp-bg);border-left:1px solid var(--kp-border);border-right:1px solid var(--kp-border)}
.kp-row:first-child .kp-main{border-top:1px solid var(--kp-border);border-radius:8px 8px 0 0}
.kp-row:last-child .kp-main{border-bottom:1px solid var(--kp-border);border-radius:0 0 8px 8px}
.kp-row:only-child .kp-main{border-radius:8px}
.kp-row + .kp-row .kp-main{border-top:1px solid var(--kp-line)}
.kp-main .nm{font-size:14px;font-weight:400;color:var(--kp-nm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mastery{display:flex;align-items:center;gap:6px;margin-top:2px;font-size:12px;color:var(--mut)}
.stars{letter-spacing:1px}
.stars .on{color:var(--accent)}
.stars .off{color:var(--star-off)}
.prog{width:var(--prog-w, 25.5em);box-sizing:border-box;display:grid;grid-template-columns:7.2em 9.5em 7.2em;align-items:center;column-gap:12px;color:var(--mut);font-size:13px;font-weight:400;white-space:nowrap;justify-self:end}
.prog-rate,.prog-done,.prog-act{display:flex;align-items:center;height:32px;margin:0;line-height:1}
.prog-rate{justify-content:flex-start}
.prog-done{justify-content:flex-start}
.prog-act{justify-content:flex-end;position:relative;z-index:2}
.prog .btn{width:7.2em;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;line-height:1;flex:none;position:relative;z-index:2;cursor:pointer}
.prog .btn:hover{text-decoration:none;filter:brightness(1.08)}

.practice{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:16px;align-items:start}
.practice-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px;color:var(--mut);font-size:14px}
.practice-nav{display:flex;justify-content:space-between;margin-top:4px}
.btn.ghost.off,.btn.nav.off{opacity:.35;pointer-events:none}
.sheet{position:sticky;top:68px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px}
.sheet-tools{display:flex;justify-content:flex-end;gap:8px;margin-bottom:8px}
.sheet-tools form,.sheet-head form{margin:0}
.sheet-title{font-weight:700;margin-bottom:4px}
.sheet-type{font-size:13px;color:var(--mut);margin:10px 0 6px}
.sheet-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.sheet-grid a{display:flex;align-items:center;justify-content:center;height:32px;border:1px solid var(--border);border-radius:4px;color:var(--txt);background:var(--panel2);text-decoration:none}
.sheet-grid a:hover{text-decoration:none;border-color:var(--link)}
.sheet-grid a.ok{background:var(--accent2);color:#fff;border-color:var(--accent2)}
.sheet-grid a.bad{background:#e07a3d;color:#fff;border-color:#e07a3d}
.sheet-grid a.seen{background:#3d8f7a;color:#fff;border-color:#3d8f7a}
.sheet-grid a.cur{background:#3d7dff;color:#fff;border-color:#3d7dff}
.legend{display:flex;align-items:center;flex-wrap:nowrap;justify-content:space-between;gap:clamp(2px,.6vw,8px);margin:0;padding:10px 0 0;font-size:clamp(10px,1.05vw,12px);color:var(--mut);white-space:nowrap;border-top:1px solid var(--border);flex:0 0 auto;overflow:hidden}
.legend span{display:inline-flex;align-items:center;gap:3px;min-width:0}
.legend i{width:10px;height:10px;border:1px solid var(--border);border-radius:2px;background:var(--panel2);display:inline-block;flex:0 0 auto}
.legend i.ok{background:var(--accent2);border-color:var(--accent2)}
.legend i.bad{background:#e07a3d;border-color:#e07a3d}
.legend i.seen{background:#3d8f7a;border-color:#3d8f7a}
.legend i.cur{background:#3d7dff;border-color:#3d7dff}
.legend i.flag{background:#ff2a2a;border-color:#ff2a2a}
.sheet-grid a{position:relative;overflow:hidden}
.sheet-grid a.flag::after{content:"";position:absolute;right:0;bottom:0;border:7px solid transparent;border-right-color:#ff2a2a;border-bottom-color:#ff2a2a}

.theme-btn{position:relative;width:36px;height:36px;padding:0;border:1px solid var(--border);border-radius:999px;background:var(--panel2);color:var(--txt);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;transition:background .25s,border-color .25s,transform .2s}
.theme-btn:hover{transform:scale(1.06);border-color:var(--accent)}
.theme-btn:active{transform:scale(.96)}
.theme-track{position:relative;width:18px;height:18px;display:block}
.theme-ico{position:absolute;inset:0;transition:opacity .28s ease,transform .28s ease}
.theme-ico.sun{opacity:0;transform:rotate(-40deg) scale(.6);color:#f59e0b;filter:drop-shadow(0 0 1px rgba(0,0,0,.25))}
.theme-ico.moon{opacity:1;transform:rotate(0) scale(1);color:var(--txt)}
.theme-btn.is-light .theme-ico.sun{opacity:1;transform:rotate(0) scale(1);color:#f59e0b}
.theme-btn.is-light .theme-ico.moon{opacity:0;transform:rotate(40deg) scale(.6)}
html.theme-anim,html.theme-anim *{transition:background-color .32s ease,color .32s ease,border-color .32s ease !important}

.exam-page{height:100dvh;overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none}
.exam-page input,.exam-page textarea,.exam-page [contenteditable="true"]{-webkit-user-select:text;user-select:text}
.exam-page .topbar[hidden],.exam-page .site-top[hidden],.exam-page .foot[hidden]{display:none}
.exam-page .container{padding:0;height:100%;min-height:0;overflow:hidden}
.exam{display:flex;flex-direction:column;height:100%;min-height:0;background:var(--bg);position:relative;overflow:hidden}
.exam.is-nav-loading,.exam.is-nav-busy{pointer-events:none}
.exam.is-nav-loading{cursor:wait}
.exam-bar{display:grid;grid-template-columns:1fr minmax(0,42%) 1fr;align-items:center;gap:12px;padding:10px 18px;background:#8b2e2e;color:#f5e9e9;border-bottom:1px solid #a33a3a;flex:0 0 auto}
html[data-theme="light"] .exam-bar{background:#c43c3c;color:#fff;border-bottom-color:#a83232}
.exam-bar-left{display:flex;align-items:center;gap:10px;min-width:0}
.exam-bar-center{text-align:center;justify-self:center;max-width:100%;min-width:0;display:flex;flex-direction:column;align-items:center;gap:6px}
.exam-bar-title{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.exam-bar-bar{width:min(280px,70%);height:3px;border-radius:99px;background:rgba(255,255,255,.22);overflow:hidden}
.exam-bar-bar::before{content:"";display:block;height:100%;width:var(--p,0%);background:#fff;border-radius:inherit;transition:width .25s ease}
.exam-back{display:inline-flex;align-items:center;gap:2px;height:32px;padding:0 12px 0 7px;border-radius:999px;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);font-size:13px;font-weight:600;white-space:nowrap;text-decoration:none;transition:background .18s ease,border-color .18s ease,transform .18s ease}
.exam-back svg{display:block;flex:0 0 auto;transition:transform .18s ease}
.exam-back:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.26);border-color:rgba(255,255,255,.55)}
.exam-back:hover svg{transform:translateX(-2px)}
.exam-back:active{transform:scale(.97)}
.exam-course{font-weight:600;white-space:nowrap;font-size:13px;opacity:.92;overflow:hidden;text-overflow:ellipsis}
.exam-bar-right{display:flex;align-items:center;justify-content:flex-end;gap:8px;white-space:nowrap;font-size:13px}
.exam-bar-right .theme-btn{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);color:#fff}
.exam-bar-right .theme-btn .theme-ico.moon{color:#fff;filter:drop-shadow(0 0 2px rgba(0,0,0,.45))}
.exam-bar-right .theme-btn.is-light{background:#fff;border-color:#fff;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.exam-bar-right .theme-btn.is-light .theme-ico.sun{color:#ea580c;filter:none}
.exam-font-wrap{position:relative;display:inline-flex}
.exam-ico{border:none;background:rgba(0,0,0,.22);color:#fff;width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:13px;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0}
.exam-ico:hover{background:rgba(255,255,255,.18)}
.exam-ico[hidden]{display:none}
.exam-chip{border:none;cursor:pointer;font:inherit;color:#d8ecff;background:#1a1a1a;padding:6px 12px;border-radius:999px;font-variant-numeric:tabular-nums}
.exam-chip:hover{filter:brightness(1.12)}
.exam-chip[hidden]{display:none}
.exam-pop{position:fixed;z-index:40;display:flex;align-items:center;gap:4px;background:#1a1a1a;color:#fff;padding:8px 10px;border-radius:10px;box-shadow:0 10px 28px rgba(0,0,0,.4)}
.exam-pop::before{content:"";position:absolute;top:-6px;left:50%;margin-left:-6px;border:6px solid transparent;border-bottom-color:#1a1a1a;border-top:0}
.exam-pop[hidden]{display:none}
.exam-pop button{border:none;background:transparent;color:rgba(255,255,255,.75);width:30px;height:28px;border-radius:6px;cursor:pointer;font-size:15px;font-family:inherit}
.exam-pop button:hover{background:rgba(255,255,255,.1);color:#fff}
.exam-pop button.on,.exam-pop .font-mid.on{color:#9ec5ff;font-weight:700}
.exam-tools{display:flex;align-items:center;gap:1.1em;flex:0 0 auto}
.tool-btn{border:none;outline:none;box-shadow:none;background:transparent;color:var(--mut);cursor:pointer;font-size:0.88em;display:inline-flex;align-items:center;gap:.4em;padding:0;font-family:inherit;white-space:nowrap;line-height:1.2;transition:color .15s,opacity .15s}
.tool-btn .ico{width:1.15em;height:1.15em;flex:0 0 auto;fill:currentColor;opacity:.9}
.tool-btn:hover{color:var(--txt)}
.tool-btn:hover .ico{opacity:1}
.tool-btn.on{color:#e8b339}
.tool-btn.tool-fav .ico{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linejoin:round}
.tool-btn.tool-fav.on .ico{fill:#e8b339;stroke:#e8b339}
.tool-btn.tool-peek:hover{color:var(--link)}
.tool-btn.tool-peek .ico{fill:currentColor}
.exam-body{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:0;min-height:0;overflow:hidden}
.exam-main{padding:22px 28px 24px;overflow:auto;overscroll-behavior:contain;--exam-fs:16px;scrollbar-width:none;-ms-overflow-style:none;min-height:0}
.exam-main::-webkit-scrollbar{width:0;height:0;display:none}
.exam-empty{color:var(--mut);padding:40px 0}
.exam-q{background:transparent;border:none;border-radius:0;padding:0;margin:0;max-width:none;width:100%;font-size:var(--exam-fs,16px)}
.exam-q-head{display:flex;align-items:center;justify-content:space-between;gap:1em;margin:0 0 .9em;width:100%;max-width:none;font-size:var(--exam-fs,16px)}
.exam-type{font-size:1em;font-weight:700;margin:0;min-width:0;flex:1;line-height:1.45;color:var(--txt)}
.exam-type span{font-weight:400;color:var(--mut);font-size:.88em;margin-left:.15em}
.exam-type .vip-tag{display:inline-flex;align-items:center;justify-content:center;min-width:1.1em;height:1.1em;padding:0 .28em;margin-left:.45em;border-radius:3px 3px 3px 0;font-size:.72em;font-weight:800;letter-spacing:0;color:#fff;background:#f08a2a;vertical-align:middle}
.exam-q .stem{font-size:1.05em;line-height:1.7;margin-bottom:1.1em}
.exam-q .opts li{padding:.65em 4px;margin:0;border:none;border-radius:0;background:transparent;cursor:pointer;font-size:1em}
.exam-q .opts li.correct{background:transparent;color:var(--accent2);border:none}
.exam-q .opts li.wrong{background:transparent;color:var(--accent);border:none}
.exam-q .opts li.picked{outline:none}
.exam-q .opts li.correct .dot,.exam-q .opts li.picked.correct .dot{border-color:var(--accent2);background:var(--accent2);box-shadow:inset 0 0 0 3px var(--bg)}
.exam-q .opts li.wrong .dot,.exam-q .opts li.wrong input:checked + .dot{border-color:var(--accent);background:var(--accent);box-shadow:inset 0 0 0 3px var(--bg)}
.exam-q .opts label{align-items:center;gap:10px;width:100%}
.exam-q .opts input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.exam-q .opts .dot{flex:0 0 16px;width:16px;height:16px;border:2px solid var(--mut);border-radius:50%;display:inline-block}
.exam-q .opts input:checked + .dot{border-color:var(--accent2);background:var(--accent2);box-shadow:inset 0 0 0 3px var(--bg)}
.exam-q .opts li.wrong input:checked + .dot{border-color:var(--accent);background:var(--accent);box-shadow:inset 0 0 0 3px var(--bg)}
.exam-q .result{margin-top:1.4em;padding-top:1em;border-top:1px solid var(--border);font-size:1em;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 18px;align-items:start}
.exam-q .result-body{min-width:0}
.exam-q .result-line{margin:.5em 0;font-size:1em;line-height:1.6}
.exam-q .result-line span{color:var(--mut)}
.exam-q .result-mark{width:5em;height:5em;flex:0 0 auto;margin-top:.05em;background-repeat:no-repeat;background-position:center;background-size:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.18))}
.exam-q .result-mark.ok{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80' fill='none'%3E%3Ccircle cx='40' cy='40' r='36' fill='%234caf50' fill-opacity='.14'/%3E%3Ccircle cx='40' cy='40' r='34.5' stroke='%234caf50' stroke-opacity='.45' stroke-width='2'/%3E%3Cpath d='M22 41c5.5 4.8 11.2 11.2 15.8 19.6C47.2 39.5 56.8 26.2 65 18.5' stroke='%234caf50' stroke-width='6.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.exam-q .result-mark.bad{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80' fill='none'%3E%3Ccircle cx='40' cy='40' r='36' fill='%23e85d5d' fill-opacity='.14'/%3E%3Ccircle cx='40' cy='40' r='34.5' stroke='%23e85d5d' stroke-opacity='.45' stroke-width='2'/%3E%3Cpath d='M27 27l26 26M53 27L27 53' stroke='%23e85d5d' stroke-width='6.5' stroke-linecap='round'/%3E%3C/svg%3E")}
.exam-q .ana{margin-top:1.1em;padding:0;background:transparent;border:none;color:var(--txt);font-size:.95em}
.exam-q .ana .h{display:block;margin:0 0 .65em;font-weight:700;font-size:1.05em;color:var(--txt)}
.exam-q .ana-body{display:block;line-height:1.85;font-size:1em;color:var(--txt);word-break:normal;overflow-wrap:break-word}
.exam-q .ana-body p{margin:0 0 .85em}
.exam-q .ana-body p:last-child{margin-bottom:0}
.exam-q .ana-body strong,.exam-q .ana-body b{font-weight:700}
/* 源站解析常带浅色底/深色字，暗色主题下去掉底色并继承正文色 */
.exam-q .ana-body *,.q .ana .ana-body *{background:transparent!important;background-color:transparent!important;color:inherit!important}
.exam-q .ana .ana-empty{color:var(--empty);font-style:italic;line-height:1.6}
.exam-q .kp{display:flex;flex-wrap:wrap;gap:8px;margin-top:1em;font-size:.8em;color:var(--mut)}
.exam-q .kp span{background:var(--panel2);border:1px solid var(--border);padding:5px 10px;border-radius:4px;margin:0;line-height:1.5}
.exam .sheet{align-self:stretch;height:auto;min-height:0;overflow:hidden;border:none;border-left:1px solid var(--border);border-radius:0;background:var(--panel);padding:16px 14px 12px;display:flex;flex-direction:column;gap:0}
.sheet-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding-bottom:8px;scrollbar-width:none;-ms-overflow-style:none}
.sheet-scroll::-webkit-scrollbar{width:0;height:0;display:none}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.sheet-head .sheet-title{margin:0;font-size:15px}
.sheet-head-actions{display:inline-flex;align-items:center;gap:6px}
.sheet-close{display:none;border:1px solid var(--border);background:var(--panel2);color:var(--mut);width:34px;height:34px;border-radius:8px;font-size:22px;line-height:1;cursor:pointer;padding:0}
.sheet-close:hover{color:var(--txt);border-color:var(--accent)}
.sheet-mask{display:none}
.sheet-toggle{display:none}
.sheet-gear{border:1px solid var(--border);background:var(--panel2);color:var(--txt);cursor:pointer;width:34px;height:34px;border-radius:8px;padding:0;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;transition:background .15s,border-color .15s,color .15s}
.sheet-gear svg{width:18px;height:18px;display:block}
.sheet-gear:hover{color:var(--accent);border-color:var(--accent);background:transparent}
.sheet-settings{background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:12px;display:flex;flex-direction:column;gap:10px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.sheet-settings[hidden]{display:none}
.sheet-settings .sw{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--txt)}
.sheet-settings .sw input{appearance:none;width:40px;height:22px;border-radius:999px;background:var(--border);position:relative;cursor:pointer;border:none;flex:0 0 auto;transition:background .2s}
.sheet-settings .sw input::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .18s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.sheet-settings .sw input:checked{background:var(--accent)}
.sheet-settings .sw input:checked::after{left:20px}
.redo-btn{width:100%;color:var(--accent) !important;border-color:var(--accent) !important;background:transparent !important;opacity:.9}
html[data-theme="light"] .redo-btn{opacity:1}
.exam-foot{flex:0 0 auto;position:static;left:auto;right:auto;bottom:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 24px;background:var(--panel);border-top:1px solid var(--border);z-index:5}
.exam-foot-right{display:flex;align-items:center;gap:10px}
.btn.nav{background:var(--accent);color:#fff;border:none;padding:10px 22px;font-size:14px;border-radius:4px}
.btn.nav:hover{text-decoration:none;filter:brightness(1.06)}
.btn.nav.off{opacity:.4;pointer-events:none}
.btn.nav.save-pos[hidden]{display:none}
.report-dlg{position:fixed;inset:0;z-index:110;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);padding:32px}
.report-card{width:min(880px,100%);background:var(--panel);border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,.5);color:var(--txt)}
.report-head{background:var(--accent);color:#fff;text-align:center;font-size:20px;font-weight:700;padding:18px 28px;letter-spacing:.06em}
.report-body{padding:28px 36px 30px;background:var(--bg);max-height:min(82vh,720px);overflow:auto}
.report-sec{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;margin:6px 0 18px}
.report-sec + .report-table,.report-sec + .report-stats{margin-top:0}
.report-sec::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent)}
.report-stats{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px 36px;margin-bottom:28px;padding:8px 8px 4px}
.report-col p{margin:0 0 14px;font-size:15px;line-height:1.55;color:var(--txt)}
.report-col p:last-child{margin-bottom:0}
.report-col:last-child{text-align:right}
.report-ring{width:148px;height:148px;border-radius:50%;background:conic-gradient(var(--accent2) calc(var(--p) * 1%), var(--border) 0);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 8px rgba(127,127,127,.06)}
.report-ring-in{width:108px;height:108px;border-radius:50%;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.25}
.report-ring-in b{font-size:28px;font-weight:700;letter-spacing:-.02em}
.report-ring-in span{font-size:13px;color:var(--mut);margin-top:4px}
.report-table{width:100%;border-collapse:collapse;font-size:14px;margin:0 0 28px}
.report-table th{background:var(--panel2);color:var(--mut);font-weight:600;padding:12px 10px;text-align:center}
.report-table td{padding:14px 10px;text-align:center;border-bottom:1px solid var(--border)}
.report-table td.ok{color:var(--accent2);font-weight:700}
.report-table td.bad{color:var(--accent);font-weight:700}
.report-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 16px;padding-top:8px}
.report-actions .btn{border-radius:999px;padding:11px 22px;min-width:112px;font-size:14px;font-weight:600}
.report-actions .report-go{background:#8a6a45;border:none}
.report-actions .report-look{background:#3d7dff;border:none}
.report-actions .report-next{background:#2f9d57;border:none}
@media (max-width:640px){
  .report-stats{grid-template-columns:1fr;justify-items:center;gap:18px;padding:0}
  .report-col,.report-col:last-child{text-align:center}
}
.exam-mode{font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.35);opacity:.95;flex:0 0 auto}
html.eye-mode body{filter:sepia(.18) saturate(.88) brightness(.97)}

.calc-dlg{position:fixed;inset:0;z-index:100;pointer-events:none}
.calc-dlg[hidden]{display:none}
.calc-win{position:fixed;left:50%;top:12%;transform:translateX(-50%);width:min(520px,calc(100vw - 24px));background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.45);overflow:hidden;color:var(--txt);pointer-events:auto;z-index:101}
.calc-win.is-dragging{user-select:none}
.calc-title{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--accent);color:#fff;font-weight:700;cursor:move;touch-action:none}
.calc-x{border:none;background:transparent;color:#fff;font-size:20px;cursor:pointer;line-height:1;opacity:.9}
.calc-x:hover{opacity:1}
.calc-screen{padding:14px 14px 8px}
.calc-display{display:block;width:100%;padding:14px 16px;font-size:28px;text-align:right;border:1px solid var(--border);border-radius:12px;background:var(--input-bg);color:var(--txt);font-family:Consolas,"SF Mono",monospace;overflow-x:auto;white-space:nowrap}
.calc-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 14px 10px;flex-wrap:wrap}
.calc-modes{display:inline-flex;background:var(--panel2);border:1px solid var(--border);border-radius:999px;padding:3px}
.calc-seg{position:relative;cursor:pointer}
.calc-seg input{position:absolute;opacity:0;pointer-events:none}
.calc-seg span{display:block;padding:5px 12px;border-radius:999px;font-size:12px;color:var(--mut)}
.calc-seg input:checked + span{background:var(--accent);color:#fff}
.calc-mem{display:flex;gap:4px;flex:1;justify-content:center;flex-wrap:wrap}
.calc-mem button{border:1px solid var(--border);background:var(--panel2);color:var(--mut);border-radius:6px;padding:4px 7px;font-size:11px;cursor:pointer;font-family:inherit}
.calc-mem button:hover{color:var(--txt)}
.calc-inv{border:1px solid var(--border);background:var(--panel2);color:var(--txt);border-radius:8px;padding:6px 12px;cursor:pointer;font-family:inherit}
.calc-inv.on{background:var(--accent);border-color:var(--accent);color:#fff}
.calc-body{display:grid;grid-template-columns:1.05fr 1fr;gap:10px;padding:0 14px 14px}
.calc-sci,.calc-num{display:grid;gap:6px}
.calc-sci{grid-template-columns:repeat(4,1fr)}
.calc-num{grid-template-columns:repeat(4,1fr)}
.calc-sci button,.calc-num button{border:1px solid var(--border);border-radius:10px;background:var(--panel2);color:var(--txt);padding:10px 4px;min-height:40px;font-size:13px;cursor:pointer;font-family:inherit;transition:transform .08s,background .15s}
.calc-sci button:hover,.calc-num button:hover{filter:brightness(1.08)}
.calc-sci button:active,.calc-num button:active{transform:scale(.96)}
.calc-num button{font-size:15px;font-weight:600}
.calc-num .op{color:var(--accent);background:transparent}
.calc-num .eq{background:var(--accent);border-color:var(--accent);color:#fff}
.calc-num .danger{color:var(--accent)}
.calc-num .wide{grid-column:span 1}
@media (max-width:560px){
  .calc-body{grid-template-columns:1fr}
}
.mode-dlg{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);padding:24px}
.mode-dlg[hidden]{display:none}
.mode-card{position:relative;width:min(720px,100%);background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:28px 24px 24px;box-shadow:0 18px 48px rgba(0,0,0,.45)}
.mode-x{position:absolute;top:10px;right:14px;border:none;background:transparent;color:var(--mut);font-size:22px;cursor:pointer;line-height:1}
.mode-title{text-align:center;font-size:20px;font-weight:700;margin-bottom:20px}
.mode-grid{display:flex;flex-wrap:nowrap;align-items:stretch;gap:16px}
.mode-grid.has-exam{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.mode-card.mode-wide,.mode-card:has(.mode-grid.has-exam){width:min(980px,100%)}
.mode-item{
  border:1px solid var(--border);border-radius:12px;padding:20px 18px 16px;background:var(--panel2);
  display:flex;flex-direction:column;gap:0;flex:1 1 0;min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.mode-item[hidden]{display:none!important}
.mode-item:hover{
  transform:translateY(-4px);
  border-color:rgba(232,93,93,.45);
  box-shadow:0 12px 28px rgba(0,0,0,.22);
  background:var(--panel);
}
html[data-theme="light"] .mode-item:hover{box-shadow:0 12px 28px rgba(36,48,40,.1)}
.mode-item:hover .mode-ico{transform:scale(1.06)}
.mode-item:hover .mode-ico.soft{background:rgba(232,93,93,.1)}
.mode-ico{width:36px;height:36px;border-radius:10px;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 36px;transition:transform .2s ease,background .2s ease}
.mode-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.mode-ico.soft{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.mode-name{font-size:17px;font-weight:700;line-height:1.2}
.mode-desc{font-size:13px;color:var(--mut);line-height:1.6;margin:0 0 12px}
.mode-item ul{margin:0 0 16px;padding-left:1.1em;color:var(--mut);font-size:13px;line-height:2}
.mode-item li{margin:0}
.mode-item .btn{width:100%;margin-top:auto;text-align:center;padding:10px 14px}
.mode-item .btn.ghost{border-color:var(--accent);color:var(--accent);background:transparent}
.mode-item .btn.ghost:hover{background:var(--accent);color:#fff;text-decoration:none}
@media (prefers-reduced-motion: reduce){
  .mode-item,.mode-ico{transition:none}
  .mode-item:hover{transform:none}
}

.admin-page{height:100dvh;overflow:hidden;overscroll-behavior:none;background:var(--bg)}
.admin-app{
  --side-w:232px;
  display:grid;
  grid-template-columns:var(--side-w) minmax(0,1fr);
  height:100%;
  min-height:0;
  overflow:hidden;
  transition:grid-template-columns .22s ease;
}
html[data-side="collapsed"] .admin-app{--side-w:72px}
.admin-side{display:flex;flex-direction:column;gap:14px;padding:16px 12px;min-height:0;min-width:0;overflow:visible;background:linear-gradient(180deg,var(--panel) 0%,var(--bg) 100%);border-right:1px solid var(--border)}
.admin-side-top{display:flex;align-items:center;gap:4px;min-width:0}
.admin-brand{display:flex;align-items:center;gap:10px;padding:4px 6px;min-width:0;flex:1;text-decoration:none;color:var(--txt)}
.admin-brand:hover{text-decoration:none}
.admin-brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;overflow:hidden}
.admin-brand-text b{font-size:15px;white-space:nowrap}
.admin-brand-text small{color:var(--mut);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-side-toggle{flex:0 0 auto;width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--panel2);color:var(--mut);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}
.admin-side-toggle:hover{color:var(--txt);border-color:rgba(232,93,93,.4)}
.admin-side-toggle .ico-expand{display:none}
html[data-side="collapsed"] .admin-side-toggle .ico-collapse{display:none}
html[data-side="collapsed"] .admin-side-toggle .ico-expand{display:block}
.admin-nav{display:flex;flex-direction:column;gap:4px;flex:1;min-height:0;overflow:auto;scrollbar-width:none;padding:2px 0}
.admin-nav::-webkit-scrollbar{display:none}
.admin-nav-link,.admin-nav-parent{
  position:relative;
  display:flex;align-items:center;gap:10px;
  width:100%;margin:0;padding:10px 12px;border:none;border-radius:10px;
  background:transparent;color:var(--mut);text-decoration:none;
  font:inherit;font-weight:600;font-size:14px;text-align:left;cursor:pointer;
  transition:background .15s,color .15s;
}
.admin-nav-link svg,.admin-nav-parent svg:first-child{flex:0 0 auto;opacity:.9}
.admin-nav-link:hover,.admin-nav-parent:hover{background:var(--panel2);color:var(--txt);text-decoration:none}
.admin-nav-link.on,.admin-nav-parent.on{background:rgba(232,93,93,.14);color:var(--accent)}
html[data-theme="light"] .admin-nav-link.on,html[data-theme="light"] .admin-nav-parent.on{background:rgba(232,93,4,.1)}
.nav-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-chevron{flex:0 0 auto;margin-left:auto;opacity:.55;transition:transform .18s ease}
.admin-nav-group.open > .admin-nav-parent .nav-chevron{transform:rotate(90deg)}
.admin-nav-group{position:relative;display:flex;flex-direction:column;gap:2px}
.admin-nav-sub{display:none;flex-direction:column;gap:2px;padding:2px 0 4px}
.admin-nav-group.open > .admin-nav-sub{display:flex}
.admin-nav-sublink{display:block;padding:8px 12px 8px 40px;border-radius:8px;color:var(--mut);text-decoration:none;font-size:13px;font-weight:500}
.admin-nav-sublink:hover{background:var(--panel2);color:var(--txt);text-decoration:none}
.admin-nav-sublink.on{color:var(--accent);background:rgba(232,93,93,.1)}
html[data-theme="light"] .admin-nav-sublink.on{background:rgba(232,93,4,.08)}
/* 折叠：图标轨 + 悬停浮层二级菜单 */
html[data-side="collapsed"] .admin-brand-text,
html[data-side="collapsed"] .nav-label,
html[data-side="collapsed"] .nav-chevron{display:none}
html[data-side="collapsed"] .admin-side{padding:14px 8px;align-items:stretch}
html[data-side="collapsed"] .admin-side-top{flex-direction:column;align-items:center;gap:8px}
html[data-side="collapsed"] .admin-brand{justify-content:center;padding:4px;flex:0}
html[data-side="collapsed"] .admin-nav-link,
html[data-side="collapsed"] .admin-nav-parent{justify-content:center;padding:10px;gap:0}
html[data-side="collapsed"] .admin-nav-group.open > .admin-nav-sub{display:none}
html[data-side="collapsed"] .admin-nav-group:hover > .admin-nav-sub,
html[data-side="collapsed"] .admin-nav-group:focus-within > .admin-nav-sub{
  display:flex;position:absolute;left:calc(100% + 8px);top:0;z-index:40;
  min-width:148px;padding:6px;border:1px solid var(--border);border-radius:10px;
  background:var(--panel);box-shadow:0 12px 28px rgba(0,0,0,.28);
}
html[data-side="collapsed"] .admin-nav-sublink{padding:8px 12px}
html[data-side="collapsed"] .admin-nav-link[data-tip]::after,
html[data-side="collapsed"] .admin-nav-parent[data-tip]::after{
  content:attr(data-tip);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);
  padding:4px 8px;border-radius:6px;background:var(--panel2);border:1px solid var(--border);
  color:var(--txt);font-size:12px;font-weight:500;white-space:nowrap;opacity:0;pointer-events:none;
  transition:opacity .12s;
}
html[data-side="collapsed"] .admin-nav-link[data-tip]:hover::after,
html[data-side="collapsed"] .admin-nav-parent[data-tip]:hover::after{opacity:1}
html[data-side="collapsed"] .admin-nav-group:hover > .admin-nav-parent[data-tip]::after{opacity:0}
html[data-side="collapsed"] .admin-side-foot{flex-direction:column;align-items:center;gap:8px;padding:8px 0 0}
html[data-side="collapsed"] .admin-logout{width:36px;height:36px;padding:0;justify-content:center}
html[data-side="collapsed"] .admin-logout .nav-label{display:none}
.admin-side-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 4px 0;border-top:1px solid var(--border)}
.admin-side-foot form{margin:0}
.admin-logout{display:inline-flex;align-items:center;gap:6px;padding:6px 12px}
.admin-main{height:100%;min-height:0;min-width:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:none;padding:clamp(16px,2vw,28px) clamp(18px,2.6vw,40px) 20px}
.admin-main::-webkit-scrollbar{width:0;height:0;display:none}
.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;padding:12px 16px;font-size:13px;border-top:1px solid var(--border)}
.pager-info{color:var(--mut);font-variant-numeric:tabular-nums}
.pager-btn{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:8px;border:1px solid var(--border);background:var(--panel2);color:var(--txt);text-decoration:none;font-size:12px}
.pager-btn:hover{border-color:rgba(232,93,93,.45);color:var(--accent);text-decoration:none}
.pager-btn.disabled{opacity:.4;pointer-events:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.subject-pick-head .subject-filter{flex:1 1 200px;max-width:280px;margin-left:auto}
.subject-pick-list{display:flex;flex-direction:column;gap:0}
.open-form .form-grid > .open-submit{height:37px;padding:0 16px;box-sizing:border-box}
.subject-track{border:none;margin:0 0 8px}
.subject-track summary.subject-group-title{cursor:pointer;list-style:none;display:flex;align-items:center;gap:6px;padding:4px 2px}
.subject-track summary.subject-group-title::-webkit-details-marker{display:none}
.subject-track summary.subject-group-title::before{content:"";width:0;height:0;border:5px solid transparent;border-left-color:var(--mut);margin-right:2px;transition:transform .15s}
.subject-track[open] summary.subject-group-title::before{transform:rotate(90deg)}
.members-toolbar{position:sticky;top:0;z-index:2}
.members-toolbar .search-bar{align-items:center}
.members-toolbar .search-input{flex:1 1 200px;min-width:0;max-width:280px;background:var(--input-bg);color:var(--txt);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font:inherit}
.members-toolbar .search-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,93,93,.18)}
table.members-dense{font-size:12px;table-layout:fixed}
table.members-dense th,table.members-dense td{padding:7px 8px;text-align:center;vertical-align:middle}
table.members-dense .c-phone{width:118px}
table.members-dense .c-role{width:88px}
table.members-dense .c-status{width:72px}
table.members-dense .c-grants{width:110px}
table.members-dense .c-exp{width:108px}
table.members-dense .c-note{width:auto}
table.members-dense .c-created{width:108px}
table.members-dense .c-ops{width:168px}
table.members-dense th.ops-h,table.members-dense td.ops{text-align:center}
table.members-dense .ops{justify-content:center}
table.members-dense .grant-sum{font-variant-numeric:tabular-nums;position:relative}
table.members-dense .th-sort{color:inherit;text-decoration:none;white-space:nowrap}
table.members-dense .th-sort:hover,table.members-dense .th-sort.on{color:var(--accent);text-decoration:none}
.grant-pop{display:none;position:absolute;z-index:40;left:50%;top:calc(100% + 4px);transform:translateX(-50%);min-width:320px;width:max-content;max-width:min(560px,92vw);padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel);box-shadow:0 12px 28px rgba(0,0,0,.35);text-align:left}
.member-line:hover .grant-pop,.member-line:focus-within .grant-pop{display:flex;flex-direction:column;gap:8px}
.member-line.editing .grant-pop{display:none}
.grant-pop-row{display:flex;gap:12px;align-items:center;justify-content:space-between;font-size:12px}
.grant-pop-name{font-weight:600;text-align:left;flex:1 1 auto;min-width:0;white-space:normal}
.grant-pop-meta{display:inline-flex;gap:8px;align-items:center;flex:0 0 auto;margin-left:12px}
.profile-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.profile-line select{flex:0 0 8.5em}
.profile-line input{flex:1 1 160px;min-width:0}
.profile-line select,.profile-line input{background:var(--input-bg);color:var(--txt);border:1px solid var(--border);border-radius:8px;padding:6px 8px;font:inherit}
.grant-tools{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.admin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 18px}
.admin-head h1{margin:0;font-size:24px;letter-spacing:.01em}
.admin-head p{margin:6px 0 0;color:var(--mut);font-size:13px;line-height:1.6;white-space:nowrap}
.admin-head-meta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.pill{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:999px;background:var(--panel);border:1px solid var(--border);font-size:12px;color:var(--txt)}
.mut-pill{color:var(--mut)}
.warn-pill{border-color:rgba(232,93,93,.45);color:var(--accent)}
.flash{margin:0 0 14px;padding:10px 14px;border-radius:10px;border:1px solid var(--border);font-size:13px}
.flash.ok{background:var(--ok-bg);color:var(--ok-fg);border-color:transparent}
.flash.err{background:var(--bad-bg);color:var(--accent);border-color:transparent}
.toast{position:fixed;z-index:80;top:18px;left:50%;transform:translateX(-50%);margin:0;padding:10px 18px;border-radius:999px;font-size:13px;box-shadow:0 10px 28px rgba(0,0,0,.28);pointer-events:none}
.toast.ok{background:var(--ok-bg);color:var(--ok-fg)}
.toast.err{background:var(--bad-bg);color:var(--accent)}
.toast.out{opacity:0;transition:opacity .25s ease}
.card.soft{background:var(--panel);box-shadow:0 1px 0 rgba(255,255,255,.02)}
.admin-grid{display:grid;gap:14px;margin-bottom:14px}
.create-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.form-grid{display:flex;flex-wrap:wrap;gap:10px;align-items:end}
.field{display:flex;flex-direction:column;gap:4px;margin:0;font-size:12px;color:var(--mut);min-width:0}
.field > span{line-height:1.2}
.field input,.field select,.line input,.line select{background:var(--input-bg);color:var(--txt);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font:inherit;min-width:0}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,93,93,.18)}
input[type="date"]{color-scheme:dark;cursor:pointer;min-width:11.5em}
html[data-theme="light"] input[type="date"]{color-scheme:light}
input[type="date"]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.85;width:1.15em;height:1.15em;padding:2px;margin-left:4px}
input[type="date"]::-webkit-calendar-picker-indicator:hover{opacity:1}
.field.grow{flex:1 1 160px}
.field.narrow{flex:0 1 110px}
.field-check{flex-direction:row;align-items:center;gap:8px;padding-bottom:8px;color:var(--txt);font-size:13px}
.check{display:inline-flex;align-items:center;gap:6px;font-size:13px}
.btn.danger{color:var(--accent);border-color:rgba(232,93,93,.35)}
.btn.danger:hover{background:var(--bad-bg)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.catalog-tools{display:flex;flex-wrap:wrap;gap:16px;align-items:end;justify-content:space-between}
.cookie-card{display:flex;flex-direction:column;gap:12px}
.cookie-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:12px 16px}
.cookie-head h2{margin:0 0 4px;font-size:15px}
.cookie-head .mut{margin:0;white-space:nowrap}
.cookie-upload{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0}
.cookie-file{position:relative;overflow:hidden;margin:0;cursor:pointer}
.cookie-file input{position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0}
.cookie-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.cookie-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:var(--panel2)}
.cookie-item.on{border-color:rgba(232,93,93,.45);background:rgba(232,93,93,.08)}
.cookie-pick{margin:0;min-width:0;flex:1}
.cookie-name{display:inline-flex;align-items:center;gap:8px;width:100%;padding:0;border:none;background:transparent;color:var(--txt);font:inherit;font-size:13px;text-align:left;cursor:pointer}
.cookie-radio{flex:0 0 auto;width:14px;height:14px;border-radius:50%;border:2px solid var(--border);background:var(--panel)}
.cookie-item.on .cookie-radio{border-color:var(--accent);box-shadow:inset 0 0 0 3px var(--accent)}
.cookie-sync{max-width:12em;background:var(--input-bg);color:var(--txt);border:1px solid var(--border);border-radius:8px;padding:5px 8px;font:inherit;font-size:12px}
.catalog-add{flex:1 1 360px}
.catalog-search{flex:0 1 280px}
.track-block{padding:0;overflow:hidden}
.track-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:var(--panel2)}
.track-title h2{margin:0;font-size:16px;white-space:nowrap}
.track-title .track-label{color:var(--accent)}
.track-title .track-count{margin-left:2px;font-size:12px;font-weight:500;color:var(--mut)}
.track-ops{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.track-ops form{margin:0}
.btn.on{box-shadow:inset 0 0 0 1px var(--accent)}
.panel-form{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin:0;padding:12px 16px;border-top:1px solid var(--border);background:rgba(232,93,93,.06)}
.panel-form[hidden]{display:none}
table.catalog{width:100%;border-collapse:collapse;font-size:13px;table-layout:fixed}
table.catalog .c-id{width:88px}
table.catalog .c-name{width:152px}
table.catalog .c-domain{width:80px}
table.catalog .c-bank{width:64px}
table.catalog .c-sort{width:64px}
table.catalog .c-ops{width:340px}
.bank-tag{display:inline-flex;align-items:center;padding:1px 7px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.02em;border:1px solid var(--border);background:var(--panel2);color:var(--mut);vertical-align:middle;margin-left:6px}
.bank-tag.chapter{border-color:rgba(96,165,250,.45);background:rgba(96,165,250,.12);color:#93c5fd}
.bank-tag.selection{border-color:rgba(232,93,93,.45);background:rgba(232,93,93,.12);color:var(--accent)}
.bank-tag.mini{padding:0 5px;font-size:10px;margin-left:4px}
html[data-theme="light"] .bank-tag.chapter{color:#2563eb;background:rgba(37,99,235,.08)}
table.catalog th,table.catalog td{text-align:center;vertical-align:middle}
table.catalog th.gap,table.catalog td.gap{padding:0}
table.catalog th{font-weight:600;color:var(--mut);font-size:12px;padding:8px 10px;border-bottom:1px solid var(--border)}
table.catalog td{padding:10px;border-top:1px solid var(--border)}
table.catalog tr.course-line:hover td{background:rgba(255,255,255,.03)}
html[data-theme="light"] table.catalog tr.course-line:hover td{background:rgba(0,0,0,.03)}
table.catalog .num{font-variant-numeric:tabular-nums;color:var(--mut)}
table.catalog .course-name{font-weight:600}
table.catalog code{font-size:12px;padding:1px 6px;border-radius:6px;background:var(--bg);border:1px solid var(--border)}
table.catalog .ops{display:flex;flex-wrap:nowrap;gap:6px;align-items:center;justify-content:center;white-space:nowrap}
table.catalog .inline-actions{flex-wrap:nowrap}
table.catalog .ops form{margin:0}
.course-edit-row{display:none}
.course-edit-row:has(form:not([hidden])),.course-edit-row:has(.job-msg){display:table-row}
.course-edit-row td{padding:0;border-top:none;background:transparent}
.course-edit-row .job-msg{margin:0 16px 12px}
table.catalog tr[hidden],.track-block[hidden]{display:none}
.track-head{display:flex;gap:12px;align-items:end;justify-content:space-between;padding:16px 18px;background:var(--panel2);border-bottom:1px solid var(--border)}
.track-edit{flex:1;min-width:0}
.course-list{display:flex;flex-direction:column}
.course-row{padding:16px 18px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}
.course-row:first-child{border-top:none}
.course-actions,.grant-actions,.member-tools,.inline-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.inline-actions{margin:0}
.job-msg{font-size:12px;color:var(--mut);padding:8px 10px;border-radius:8px;background:var(--panel2)}
.job-msg.running{color:var(--link)}
.job-msg.ok{color:var(--accent2)}
.job-msg.error{color:var(--accent)}
.job-msg-text{line-height:1.45}
.job-bar{margin-top:8px;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.job-bar>i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,#3b82f6,#22c55e);transition:width .35s ease}
html[data-theme="light"] .job-bar{background:rgba(0,0,0,.08)}
.empty-hint{margin:0;padding:12px 16px;color:var(--mut);font-size:13px}
.slip-card{border-color:rgba(232,93,93,.35);background:linear-gradient(180deg,rgba(232,93,93,.08),var(--panel))}
.slip-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}
.slip-head h2{margin:0}
.slip{white-space:pre-wrap;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin:0;font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:13px;line-height:1.75}
.open-form{display:flex;flex-direction:column;gap:14px}
.subject-pick{display:flex;flex-direction:column;gap:14px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--panel2)}
.subject-pick-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 12px;font-size:13px;font-weight:600}
.subject-pick-head .mut{font-weight:400;font-size:12px}
.subject-group{display:flex;flex-direction:column;gap:8px}
.subject-group-title{font-size:12px;color:var(--mut)}
.subject-rows{display:flex;flex-direction:column;gap:8px}
.subject-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);transition:border-color .15s,background .15s}
.subject-row.on{border-color:rgba(232,93,93,.45);background:rgba(232,93,93,.08)}
.subject-toggle{display:inline-flex;align-items:center;gap:10px;margin:0;cursor:pointer;user-select:none;min-width:0;flex:1}
.subject-toggle input{width:16px;height:16px;accent-color:var(--accent);flex:0 0 auto}
.subject-toggle span{font-size:13px;font-weight:600}
.subject-exp{flex:0 0 auto;min-width:11em;margin:0}
.subject-exp input:disabled{opacity:.45;cursor:not-allowed}
.subject-chips{display:flex;flex-wrap:wrap;gap:8px}
.subject-chip{position:relative;display:inline-flex;margin:0;cursor:pointer;user-select:none}
.subject-chip input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.subject-chip span{display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--border);background:var(--panel);font-size:13px;color:var(--txt);transition:border-color .15s,background .15s,box-shadow .15s}
.subject-chip:hover span{border-color:rgba(232,93,93,.45)}
.subject-chip input:focus-visible + span{box-shadow:0 0 0 3px rgba(232,93,93,.18)}
.subject-chip input:checked + span{border-color:var(--accent);background:rgba(232,93,93,.14);box-shadow:inset 0 0 0 1px var(--accent)}
.toolbar-card{padding:14px 18px}
.search-bar{align-items:end}
.filter-group{display:inline-flex;gap:4px;padding:3px;border-radius:999px;background:var(--panel2);border:1px solid var(--border)}
.filter{color:var(--mut);font-size:12px;text-decoration:none;padding:6px 12px;border-radius:999px}
.filter.on,.filter:hover{color:var(--txt);background:var(--panel);text-decoration:none}
.filter.on{box-shadow:0 1px 2px rgba(0,0,0,.12)}
.member-card{padding:18px 18px 14px}
.member-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
.member-id{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.member-id b{font-size:18px;letter-spacing:.02em}
.note-row{margin-bottom:12px}
.members-wrap{padding:0;overflow:visible}
table.members{width:100%;border-collapse:collapse;font-size:13px}
table.members th,table.members td{padding:8px 10px;border-top:1px solid var(--border);text-align:center;vertical-align:middle}
table.members th{font-size:12px;font-weight:600;color:var(--mut);border-top:none;background:var(--panel2)}
table.members tr.member-line:hover td{background:rgba(255,255,255,.03)}
html[data-theme="light"] table.members tr.member-line:hover td{background:rgba(0,0,0,.03)}
table.members .phone{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
table.members .ops{display:flex;gap:6px;justify-content:center;align-items:center;white-space:nowrap}
table.members .ops form{margin:0}
.btn.mini{padding:4px 8px;font-size:12px}
.subs{display:flex;flex-wrap:wrap;gap:4px 10px;max-width:420px}
.sub-bit{white-space:nowrap}
.sub-bit.bad{color:var(--accent)}
td.note{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mut)}
.member-edit td{background:var(--panel2);padding:12px 14px;text-align:left}
.member-edit[hidden]{display:none}
.edit-box{display:flex;flex-direction:column;gap:10px}
.grant-grid{display:grid;grid-template-columns:minmax(12em,1.4fr) 4.5em minmax(14em,auto) auto auto;gap:8px 10px;align-items:center;justify-items:start}
.grant-grid .grant-name{font-weight:600;font-size:13px;min-width:0;text-align:left;justify-self:stretch;white-space:normal}
.grant-grid .grant-status{justify-self:center}
.grant-grid .grant-date{display:flex;gap:8px;align-items:center;margin:0}
.grant-grid .grant-extend,.grant-grid .grant-revoke{margin:0;justify-self:start}
.grant-line,.add-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.edit-box select,.grant-line input,.add-line input,.add-line select{background:var(--input-bg);color:var(--txt);border:1px solid var(--border);border-radius:8px;padding:6px 8px;font:inherit}
.grant-list{display:flex;flex-direction:column;gap:10px}
.grant-row{display:grid;grid-template-columns:minmax(0,1.2fr) auto auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--panel2)}
.grant-info{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
.grant-name{font-weight:600;font-size:13px}
.badge{display:inline-flex;align-items:center;font-size:11px;line-height:1.4;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--mut);background:var(--panel)}
.badge.ok{color:var(--accent2);border-color:rgba(76,175,80,.4);background:var(--ok-bg)}
.badge.bad{color:var(--accent);border-color:rgba(232,93,93,.4);background:var(--bad-bg)}
.admin-login-page{min-height:100dvh;background:
  radial-gradient(900px 420px at 15% -10%,rgba(232,93,93,.22),transparent 60%),
  radial-gradient(700px 360px at 90% 110%,rgba(61,125,255,.12),transparent 55%),
  var(--bg)}
.login-wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:min(420px,100%);margin:0;padding:28px 26px}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.login-brand h2{margin:0;font-size:22px}
.login-brand .mut{margin:4px 0 0}
.login-go{width:100%;margin-top:8px;padding:10px 14px;font-size:14px}

.member-login-page{min-height:100dvh;margin:0;color:var(--txt);background:
  radial-gradient(980px 520px at 8% -12%,rgba(232,93,93,.3),transparent 58%),
  radial-gradient(820px 460px at 100% 110%,rgba(45,140,120,.18),transparent 54%),
  linear-gradient(160deg,var(--bg) 0%,var(--panel) 55%,var(--bg) 100%)}
html[data-theme="light"] .member-login-page{background:
  radial-gradient(980px 520px at 8% -12%,rgba(232,93,93,.14),transparent 58%),
  radial-gradient(820px 460px at 100% 110%,rgba(47,157,87,.1),transparent 54%),
  linear-gradient(160deg,#f6f3ee 0%,#efeae2 48%,#f7f5f1 100%)}
.login-theme{position:fixed;top:18px;right:18px;z-index:5}
.login-shell{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:36px 20px}
.login-panel{width:min(560px,100%);padding:40px 40px 32px;border:1px solid var(--border);border-radius:22px;background:var(--panel);box-shadow:0 28px 72px rgba(0,0,0,.28)}
html[data-theme="light"] .login-panel{box-shadow:0 24px 56px rgba(40,36,30,.12)}
.login-panel-brand{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.login-logo{flex:0 0 auto;width:52px;height:52px;border-radius:14px;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.login-kicker{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.login-panel h1{margin:4px 0 0;font-size:32px;line-height:1.15;letter-spacing:.01em}
.login-lead{margin:0 0 22px;font-size:14px;line-height:1.65;color:var(--mut);max-width:36em}
.login-msg{margin:0 0 16px;padding:12px 14px;border-radius:12px;background:var(--bad-bg);color:var(--accent);font-size:14px;line-height:1.5}
.login-fields{display:flex;flex-direction:column;gap:2px}
.login-field{margin-bottom:14px}
.login-field input{padding:13px 14px;font-size:15px;border-radius:10px}
.login-captcha{display:flex;align-items:end;gap:12px;margin-bottom:6px}
.login-captcha .grow{flex:1;min-width:0;margin-bottom:0}
.login-captcha-btn{flex:0 0 auto;padding:0;border:1px solid var(--border);border-radius:12px;background:var(--panel2);cursor:pointer;overflow:hidden;line-height:0}
.login-captcha-btn:hover{border-color:var(--accent)}
.login-captcha-btn img{display:block;width:168px;height:56px}
.login-panel .login-go{margin-top:18px;padding:14px 18px;font-size:16px;font-weight:700;border-radius:12px}
.login-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:16px}
.login-back{font-size:13px;color:var(--mut);text-decoration:none}
.login-back:hover{color:var(--accent)}
.login-hint{font-size:12px;color:var(--mut)}
@media (max-width:560px){
  .login-panel{padding:28px 20px 24px;border-radius:18px}
  .login-panel h1{font-size:26px}
  .login-captcha{flex-direction:column;align-items:stretch}
  .login-captcha-btn{width:100%}
  .login-captcha-btn img{width:100%;height:auto}
  .login-back{display:inline-flex;align-items:center;min-height:40px;padding:8px 0}
}

@media (max-width: 1100px){
  table.catalog .ops{flex-wrap:wrap;white-space:normal;justify-content:center}
}
@media (max-width: 980px){
  .create-grid{grid-template-columns:1fr}
  .grant-row{grid-template-columns:1fr}
}
@media (max-width: 860px){
  html[data-side="collapsed"] .admin-app,
  .admin-app{--side-w:100%;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}
  .admin-side{border-right:none;border-bottom:1px solid var(--border);padding:12px 14px;overflow:visible}
  html[data-side="collapsed"] .admin-brand-text,
  html[data-side="collapsed"] .nav-label,
  html[data-side="collapsed"] .nav-chevron{display:initial}
  html[data-side="collapsed"] .admin-side-top{flex-direction:row}
  html[data-side="collapsed"] .admin-nav-link,
  html[data-side="collapsed"] .admin-nav-parent{justify-content:flex-start;padding:10px 12px;gap:10px}
  html[data-side="collapsed"] .admin-nav-group.open > .admin-nav-sub{display:flex;position:static;min-width:0;padding:2px 0 4px;border:none;box-shadow:none;background:transparent}
  html[data-side="collapsed"] .admin-nav-link[data-tip]::after,
  html[data-side="collapsed"] .admin-nav-parent[data-tip]::after{display:none}
  html[data-side="collapsed"] .admin-side-foot{flex-direction:row}
  html[data-side="collapsed"] .admin-logout{width:auto;height:auto;padding:6px 12px}
  .admin-nav{flex-direction:row;flex-wrap:wrap;overflow:visible}
  .admin-nav-group{flex:1 1 140px}
  .admin-side-toggle{display:none}
  .admin-side-foot{border-top:none;padding-top:0}
  .admin-main{padding:16px 14px 40px}
  .admin-head{flex-direction:column}
  .track-head,.member-head{flex-direction:column;align-items:stretch}
  .member-tools{justify-content:flex-start}
}

@media (max-width: 860px){
  .container{padding:12px 10px 36px}
  .head-card{flex-wrap:wrap}
  .node > summary{grid-template-columns:22px minmax(0,1fr)}
  .node > summary .nm,.kp-main .nm{white-space:normal}
  .node > summary .prog,.kp-row .prog{width:100%;justify-self:stretch}
  .prog{grid-column:1 / -1;grid-template-columns:1fr 1fr auto;width:100%;row-gap:4px}
  .mode-grid,.mode-grid.has-exam{display:flex;flex-direction:column;flex-wrap:nowrap;grid-template-columns:none}
  .chapter > .children::before{left:18px}
  .section > summary{padding-left:28px}
  .kp-list{padding:0 12px 0 16px;margin:2px 0 8px}
  .kp-row{grid-template-columns:1fr;row-gap:6px}
  .kp-main{border:1px solid var(--kp-border);border-radius:8px !important}
  .kp-row + .kp-row .kp-main{border-top:1px solid var(--kp-border)}
  .practice{grid-template-columns:1fr}
}

/* —— 手机 / iPad：考试壳改为答题卡抽屉 —— */
@media (max-width: 900px){
  .exam-body{grid-template-columns:1fr}
  .exam-main{padding:14px 14px 18px}
  .exam-q-head{flex-wrap:wrap;gap:8px;margin-bottom:.7em}
  .exam-tools{width:100%;justify-content:flex-end;gap:.85em}
  .tool-btn{min-height:36px;padding:4px 2px}
  .tool-btn span{font-size:12px}
  .exam-q .opts li{padding:.8em 2px;min-height:44px}
  .exam-q .opts .dot{flex-basis:18px;width:18px;height:18px}
  .exam-bar{
    grid-template-columns:auto minmax(0,1fr) auto;
    gap:8px;
    padding:8px 10px calc(8px + env(safe-area-inset-top,0px));
  }
  .exam-course,.exam-mode{display:none}
  .exam-back{padding:0 10px 0 6px;height:30px}
  .exam-back span{display:none}
  .exam-bar-title{font-size:13px}
  .exam-bar-bar{width:min(220px,85%);height:4px}
  .exam-bar-right{gap:6px}
  .exam-ico,.exam-bar-right .theme-btn{width:30px;height:30px}
  .exam-chip{padding:5px 10px;font-size:12px;max-width:42vw;overflow:hidden;text-overflow:ellipsis}
  .sheet-mask{
    display:block;
    position:fixed;inset:0;z-index:55;
    background:rgba(0,0,0,.48);
    border:none;padding:0;margin:0;
    -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  }
  .sheet-mask[hidden]{display:none !important}
  .exam .sheet{
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    width:auto;height:min(72dvh,580px);max-height:80dvh;
    border:none;border-radius:18px 18px 0 0;
    border-top:1px solid var(--border);
    background:var(--panel);
    padding:8px 14px calc(14px + env(safe-area-inset-bottom,0px));
    transform:translateY(110%);
    transition:transform .28s ease;
    box-shadow:0 -12px 40px rgba(0,0,0,.35);
    display:flex;flex-direction:column;
  }
  .exam .sheet::before{
    content:"";
    display:block;
    width:40px;height:4px;
    margin:2px auto 10px;
    border-radius:99px;
    background:var(--border);
    flex:0 0 auto;
  }
  .exam.sheet-open .sheet{transform:translateY(0)}
  .sheet-scroll{overflow:auto;min-height:0;flex:1;-webkit-overflow-scrolling:touch}
  .sheet-close{display:inline-flex;align-items:center;justify-content:center}
  .sheet-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--panel2);
    color:var(--txt);
    border:1px solid var(--border);
    font-weight:600;
  }
  .sheet-toggle:hover{filter:none;border-color:var(--link);color:var(--link)}
  .sheet-grid{grid-template-columns:repeat(6,1fr);gap:8px}
  .sheet-grid a{height:38px;font-size:13px;border-radius:8px;font-weight:600}
  .legend{justify-content:flex-start;gap:10px;overflow-x:auto;padding-top:10px;-webkit-overflow-scrolling:touch}
  .exam-foot{
    flex-wrap:nowrap;
    gap:8px;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));
    box-shadow:0 -6px 20px rgba(0,0,0,.12);
  }
  .exam-foot-right{flex:1;flex-wrap:nowrap;justify-content:flex-end;gap:6px;min-width:0}
  .exam-foot .btn.nav{padding:9px 12px;font-size:13px;border-radius:10px;white-space:nowrap}
  .exam-foot .btn.nav.save-pos{box-shadow:0 4px 12px rgba(232,93,93,.28)}
  .exam-foot .tool-btn{font-size:12px;flex:0 0 auto}
  .report-dlg,.resume-dlg,.mode-dlg{padding:16px 12px;align-items:flex-end}
  .report-actions{gap:8px;padding-top:4px}
  .report-actions .btn{min-width:0;flex:1 1 calc(50% - 8px);text-align:center;padding:10px 12px;font-size:13px}
  .report-card{width:min(880px,calc(100vw - 16px));border-radius:16px 16px 10px 10px;margin-bottom:env(safe-area-inset-bottom,0px)}
  .report-body{padding:18px 16px 20px;max-height:min(72dvh,640px)}
  .report-head{padding:13px 14px;font-size:16px;letter-spacing:0}
  .report-stats{gap:16px;margin-bottom:18px;padding:0}
  .report-col p{margin:0 0 10px;font-size:14px}
  .report-table{font-size:13px;margin-bottom:18px}
  .report-table th,.report-table td{padding:10px 6px}
  .report-ring{width:112px;height:112px;box-shadow:none}
  .report-ring-in{width:82px;height:82px}
  .report-ring-in b{font-size:20px}
  .resume-card{width:min(400px,calc(100vw - 24px));border-radius:16px 16px 12px 12px;margin-bottom:env(safe-area-inset-bottom,0px)}
  .resume-actions{flex-direction:column;gap:10px}
  .resume-btn{width:100%;min-width:0;padding:12px 18px}
  .mode-card{width:min(720px,calc(100vw - 16px));padding:18px 14px 14px;border-radius:16px 16px 12px 12px;margin-bottom:env(safe-area-inset-bottom,0px)}
  .mode-title{text-align:left;font-size:17px;margin:0 28px 14px 2px}
  .mode-grid{gap:10px}
  .mode-item{
    flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px 12px;
    padding:14px 12px;border-radius:12px;
  }
  .mode-item:hover,.mode-item:active{
    transform:none;
    box-shadow:none;
    border-color:rgba(232,93,93,.4);
    background:var(--panel);
  }
  .mode-head{margin:0;flex:1;min-width:0}
  .mode-desc{margin:0;width:100%;order:3;font-size:12px;line-height:1.5}
  .mode-item ul{display:none}
  .mode-go{margin-top:0;order:2;padding:8px 14px;border-radius:999px}
  .course-switch{
    background:linear-gradient(135deg,#7a2a2a 0%,#a33a3a 55%,#b44a3a 100%);
    border:none;color:#fff;
    box-shadow:0 10px 28px rgba(140,40,40,.28);
    padding:16px 16px;
  }
  html[data-theme="light"] .course-switch{
    background:linear-gradient(135deg,#c43c3c 0%,#e85d5d 60%,#ef7a4a 100%);
  }
  .course-switch-btn,.course-switch-days{color:#fff}
  .course-switch-days b{color:#fff}
  .course-switch-ico{color:rgba(255,255,255,.88)}
  .course-switch-btn:hover{color:#fff}
  .course-switch .bank-tag{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.14)}
  .bank-modes{
    display:flex;flex-direction:row;flex-wrap:nowrap;align-items:stretch;
    gap:8px;padding:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:thin;
  }
  .bank-modes-title{display:none}
  .bank-mode{
    flex:0 0 auto;width:auto;min-width:max-content;min-height:42px;
    display:inline-flex;align-items:center;justify-content:center;
    text-align:center;border-radius:999px;border:1px solid var(--border);
    background:var(--panel2);padding:8px 14px;line-height:1.3;white-space:nowrap;
  }
  a.bank-mode:hover,button.bank-mode:hover{background:var(--panel);border-color:rgba(232,93,93,.35)}
  .bank-mode.on{border-color:rgba(232,93,93,.45)}
  .bank-mode.soon{display:none}
  .bank-summary{padding:14px}
  .bank-summary .stats{width:100%;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
  .bank-summary .stat{padding:10px 12px}
  .bank-summary-actions{margin-left:0;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .bank-summary-actions .btn{width:100%;text-align:center;justify-content:center}
  .course-rail-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}
  .course-rail-meta{flex-wrap:wrap;gap:12px}
  .course-rail.card{padding:12px;border-radius:12px}
  .course-chip{padding:9px 12px;min-height:38px}
  .mode-pick,.sec-act .btn,.kp-act .btn,.review-act .btn,.special-act .btn{min-height:38px;padding:8px 14px;border-radius:999px}
  .node > summary,.kp-row{min-height:48px}
  .special-head{display:none}
  .special-row{
    grid-template-columns:minmax(0,1fr) auto;
    gap:8px 10px;
    padding:12px 14px;
  }
  .special-count,.special-acc{display:none}
  .special-name{grid-column:1 / -1}
  .special-act{grid-column:1 / -1;justify-self:stretch}
  .special-act .btn{width:100%;min-width:0}
  .review-row{align-items:flex-start}
  .review-act{margin-top:4px}
}

@media (max-width: 560px){
  .sheet-grid{grid-template-columns:repeat(5,1fr);gap:7px}
  .exam-foot{
    display:grid;
    grid-template-columns:auto auto minmax(0,1fr);
    align-items:center;
    gap:6px;
  }
  .exam-foot-right{width:100%;justify-content:flex-end}
  .exam-foot .btn.nav#btn-calc{display:none}
  .exam-foot .btn.nav#nav-prev,.exam-foot .btn.nav#nav-next{padding:9px 10px;font-size:12px}
  .exam-q .result{grid-template-columns:1fr;gap:10px}
  .exam-q .result-mark{width:4.2em;height:4.2em;justify-self:end}
  .exam-type span{display:block;margin:.2em 0 0;margin-left:0;font-size:.8em}
  .report-actions .btn{flex:1 1 100%}
  .report-table{font-size:12px}
  .report-table th,.report-table td{padding:8px 4px}
  .topbar{padding:10px 12px;gap:10px;flex-wrap:wrap}
  .site-top{padding:10px 12px;gap:10px}
  .site-nav a{padding:8px 10px;font-size:13px;border-radius:999px}
  .bank-entry{min-height:76px}
  .bank-summary-actions{grid-template-columns:1fr}
  .course-switch-days{width:100%;font-size:13px}
  .dlg{padding:16px 12px;align-items:flex-end}
  .dlg-card{width:min(420px,calc(100vw - 24px));border-radius:14px}
}

/* iPad 竖屏保留抽屉；横屏稍宽答题格 */
@media (min-width: 700px) and (max-width: 900px){
  .sheet-grid{grid-template-columns:repeat(8,1fr)}
  .exam .sheet{height:min(64dvh,520px)}
  .exam-main{padding:18px 20px 22px}
  .report-actions .btn{flex:1 1 calc(33% - 8px)}
  .report-dlg,.resume-dlg,.mode-dlg{align-items:center}
  .report-card,.resume-card,.mode-card{border-radius:14px;margin-bottom:0}
  .bank-summary-actions{grid-template-columns:repeat(4,minmax(0,1fr))}
  .resume-actions{flex-direction:row}
  .resume-btn{width:auto;min-width:128px}
}

/* —— 前台站点（首页 / 题库中心 / 公告） —— */
.site-page{min-height:100dvh;display:flex;flex-direction:column;background:var(--bg);color:var(--txt);overflow-x:clip}
.site-top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;padding:12px clamp(16px,2.2vw,48px);background:var(--panel);border-bottom:1px solid var(--border)}
.site-menu-btn{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;margin-left:auto;padding:10px 9px;border:1px solid var(--border);
  border-radius:10px;background:var(--panel2);cursor:pointer;
}
.site-menu-btn span{display:block;height:2px;border-radius:1px;background:var(--txt);transition:transform .2s ease,opacity .2s ease}
.site-top.nav-open .site-menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-top.nav-open .site-menu-btn span:nth-child(2){opacity:0}
.site-top.nav-open .site-menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.site-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--txt)}
.site-brand:hover{text-decoration:none}
.site-logo{width:40px;height:40px;border-radius:12px;display:block;flex:0 0 auto;box-shadow:0 4px 12px rgba(232,93,93,.28)}
.brand .site-logo{width:32px;height:32px;border-radius:9px;box-shadow:0 2px 8px rgba(232,93,93,.22)}
.admin-brand .site-logo{width:36px;height:36px;border-radius:10px;box-shadow:none}
.site-mark{width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;flex:0 0 auto}
.site-mark svg{display:block}
.brand.site-brand{gap:8px;font-size:inherit}
.brand .site-brand-text b{font-size:15px;color:var(--txt)}
.brand .site-mark{width:30px;height:30px;border-radius:8px}
.site-brand-text{display:flex;flex-direction:column;line-height:1.2}
.site-brand-text b{font-size:15px}
.site-brand-text small{font-size:12px;color:var(--mut)}
.site-nav{display:flex;flex-wrap:wrap;gap:4px 6px;align-items:center;flex:1;min-width:0}
.site-nav > a,.site-nav-parent{padding:8px 12px;border-radius:8px;color:var(--mut);text-decoration:none;font-weight:600;font-size:14px}
.site-nav > a:hover,.site-nav > a.on,.site-nav-parent:hover,.site-nav-parent.on,.site-nav-drop.on > .site-nav-parent{color:var(--accent);background:rgba(232,93,93,.1);text-decoration:none}
.site-nav-drop{position:relative}
.site-nav-panel{
  position:absolute;top:calc(100% + 10px);left:0;z-index:40;
  width:max-content;max-width:calc(100vw - 32px);
  padding:18px 0 0;border:1px solid var(--border);border-radius:14px;
  background:var(--panel);box-shadow:0 18px 44px rgba(0,0,0,.32);
  opacity:0;visibility:hidden;pointer-events:none;transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
  /* 关闭时移出视口，避免撑出横向滚动 */
  clip-path:inset(50%);
}
.site-nav-panel::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.site-nav-drop:hover .site-nav-panel,.site-nav-drop:focus-within .site-nav-panel{
  opacity:1;visibility:visible;pointer-events:auto;transform:none;clip-path:none;
}
.site-nav-grid{
  display:flex;align-items:stretch;width:max-content;max-width:100%;
  max-height:min(60vh,440px);overflow:visible;
}
.site-nav-col{flex:0 0 auto;width:max-content;padding:0 16px 14px}
.site-nav-col + .site-nav-col{border-left:1px solid var(--border)}
.site-nav-col-title{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  margin:0 0 8px;padding:0 4px 8px;border-bottom:1px solid var(--border);
  font-size:13px;font-weight:700;color:var(--txt);white-space:nowrap;
}
.site-nav-col-title small{font-size:11px;font-weight:600;color:var(--mut)}
.site-nav-course{
  display:flex;align-items:center;gap:8px;width:max-content;max-width:100%;
  padding:9px 4px;border-radius:8px;color:var(--txt);text-decoration:none;
  font-size:13px;font-weight:500;line-height:1.4;
  transition:background .15s ease,color .15s ease;
}
.site-nav-course:hover{background:rgba(232,93,93,.1);color:var(--accent);text-decoration:none}
.site-nav-course-name{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.site-nav-course-title{white-space:nowrap}
.site-nav-course-name .bank-tag{flex:0 0 auto}
.site-nav-tag{flex:0 0 auto;padding:1px 6px;border-radius:999px;font-size:11px;font-weight:600;color:var(--mut);background:var(--panel2);white-space:nowrap}
.site-nav-tag.ok{color:var(--accent2);background:rgba(76,175,80,.12)}
.site-nav-course.is-trial .site-nav-tag{color:var(--accent);background:rgba(232,93,93,.12)}
.site-nav-empty{margin:0;padding:6px 10px;font-size:12px;color:var(--mut)}
.site-nav-empty.pad{padding:4px 12px 16px}
.site-nav-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 16px;border-top:1px solid var(--border);background:var(--panel2);
  border-radius:0 0 14px 14px;
}
.site-nav-foot span{font-size:12px;color:var(--mut);min-width:0}
.site-nav-all{color:var(--link);font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}
.site-nav-all:hover{color:var(--accent);text-decoration:none}
.site-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.site-actions .theme-btn{flex:0 0 auto}
.site-actions .member-chip{max-width:110px}
@media (max-width:900px){
  .site-nav-panel{position:static;left:auto;width:auto;max-width:none;margin:4px 0 8px;
    padding:10px 0 0;border:none;border-radius:0;box-shadow:none;background:transparent;
    opacity:1;visibility:visible;pointer-events:auto;transform:none;clip-path:none;
    display:none}
  .site-nav-panel::before{display:none}
  .site-nav-drop:hover .site-nav-panel,.site-nav-drop:focus-within .site-nav-panel{display:none}
  .site-nav-drop.open .site-nav-panel{display:block}
  .site-nav-grid{flex-direction:column;width:auto;max-height:none;overflow:visible}
  .site-nav-col{width:auto;padding:0 4px 10px}
  .site-nav-col + .site-nav-col{border-left:none;border-top:1px solid var(--border);padding-top:10px}
  .site-nav-course{width:auto;max-width:none;padding:10px 8px}
  .site-nav-foot{flex-direction:column;align-items:flex-start;gap:8px;padding:10px 8px;margin:0;border-radius:10px}
}
.top-nav .crumbs{margin-left:8px;color:var(--mut);font-size:13px;font-weight:400}
.site-hero{padding:clamp(36px,6vw,72px) clamp(16px,3vw,36px);background:
  radial-gradient(900px 420px at 12% -20%,rgba(232,93,93,.22),transparent 55%),
  radial-gradient(700px 360px at 90% 120%,rgba(61,125,255,.1),transparent 50%),
  var(--bg)}
.site-hero-inner{max-width:min(1100px,100%)}
.site-kicker{margin:0 0 10px;color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.04em}
.site-hero h1{margin:0;font-size:clamp(28px,5vw,44px);line-height:1.25;letter-spacing:.01em}
.site-lead{margin:14px 0 0;max-width:42em;color:var(--mut);font-size:15px;line-height:1.7}
.site-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.site-section{padding:28px clamp(16px,2.2vw,48px)}
.site-section.alt{background:var(--panel)}
.site-section-inner{max-width:min(1600px,100%);width:100%;margin:0 auto}
.site-section h2{margin:0 0 16px;font-size:22px}
.site-feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.site-feat{padding:18px 16px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
.site-section.alt .site-feat{background:var(--panel2)}
.site-feat h3{margin:0 0 10px;font-size:16px;color:var(--accent)}
.site-feat ul{margin:0;padding-left:1.1em;color:var(--mut);font-size:13px;line-height:1.7}
.site-split{display:grid;gap:18px}
.site-course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.site-course{display:flex;flex-direction:column;gap:6px;padding:14px 14px 12px;border:1px solid var(--border);border-radius:12px;background:var(--panel2);text-decoration:none;color:var(--txt);transition:border-color .15s,transform .15s}
.site-course:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.site-course b{font-size:14px}
.site-course-track{font-size:12px;color:var(--accent);font-weight:600}
.site-more{margin:14px 0 0}
.site-more a{color:var(--link)}
.site-col-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.site-col-head h2{margin:0}
.site-col-head a{font-size:13px;color:var(--link)}
.site-list{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--panel)}
.site-list li{border-top:1px solid var(--border)}
.site-list li:first-child{border-top:none}
.site-list a{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:12px 14px;color:var(--txt);text-decoration:none;font-size:13px}
.site-list a:hover{background:rgba(255,255,255,.03);text-decoration:none}
.site-list time{color:var(--mut);font-variant-numeric:tabular-nums;white-space:nowrap}
.site-pin{display:inline-flex;align-items:center;padding:1px 8px;border-radius:999px;background:rgba(232,93,93,.14);color:var(--accent);font-size:11px;font-weight:700}

/* —— 首页落地单页 —— */
.lp{flex:1;display:flex;flex-direction:column}
.lp-section.alt#modes{padding-top:clamp(48px,7vw,80px);padding-bottom:clamp(48px,7vw,80px)}
.lp-wrap{max-width:min(1180px,100%);width:100%;margin:0 auto}
.lp-hero{
  position:relative;overflow:hidden;
  padding:clamp(40px,7vw,88px) clamp(16px,3vw,48px) clamp(48px,8vw,96px);
  background:
    radial-gradient(1000px 480px at 8% -10%,rgba(232,93,93,.26),transparent 58%),
    radial-gradient(780px 420px at 92% 110%,rgba(61,125,255,.12),transparent 52%),
    linear-gradient(180deg,var(--panel) 0%,var(--bg) 72%);
}
.lp-hero-inner{
  max-width:min(1120px,100%);margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,5vw,56px);align-items:center;
}
.lp-brand{
  margin:0 0 14px;font-size:clamp(28px,4.2vw,40px);font-weight:800;letter-spacing:.04em;
  color:var(--txt);line-height:1.15;
  animation:lp-rise .7s ease both;
}
.lp-hero h1{
  margin:0;font-size:clamp(34px,5.4vw,56px);line-height:1.18;letter-spacing:.01em;font-weight:800;
  animation:lp-rise .75s .08s ease both;
}
.lp-lead{
  margin:16px 0 0;max-width:34em;color:var(--mut);font-size:clamp(15px,1.5vw,17px);line-height:1.75;
  animation:lp-rise .75s .14s ease both;
}
.lp-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;animation:lp-rise .75s .2s ease both}
.lp-cta .btn{padding:11px 22px;font-size:15px;font-weight:700;border-radius:999px}
.lp-cta .btn.ghost{background:transparent;border:1px solid var(--border);color:var(--txt)}
.lp-cta .btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.lp-hero-visual{animation:lp-rise .85s .18s ease both}
.lp-mock{
  border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--bg);
  box-shadow:0 24px 56px rgba(0,0,0,.28);transform:perspective(900px) rotateY(-4deg) rotateX(2deg);
  transform-origin:left center;
}
.lp-mock-bar{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 16px;background:#8b2e2e;color:#f5e9e9;font-size:13px;font-weight:700;
}
html[data-theme="light"] .lp-mock-bar{background:#c43c3c;color:#fff}
.lp-mock-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.55)}
.lp-mock-q{padding:18px 18px 8px}
.lp-mock-type{font-size:12px;font-weight:700;color:var(--accent);margin-bottom:8px}
.lp-mock-q p{margin:0 0 14px;font-size:15px;line-height:1.65;color:var(--txt)}
.lp-mock-q ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.lp-mock-q li{
  display:flex;align-items:center;gap:10px;padding:10px 4px;font-size:13px;color:var(--mut);
}
.lp-mock-q li.on{color:var(--accent2)}
.lp-mock-q li i{
  flex:0 0 14px;width:14px;height:14px;border-radius:50%;border:2px solid var(--mut);display:block;
}
.lp-mock-q li.on i{border-color:var(--accent2);background:var(--accent2);box-shadow:inset 0 0 0 3px var(--bg)}
.lp-mock-foot{
  display:flex;justify-content:space-between;gap:12px;padding:12px 16px;
  border-top:1px solid var(--border);font-size:12px;color:var(--mut);background:var(--panel);
}
.lp-section{padding:clamp(40px,6vw,72px) clamp(16px,3vw,48px)}
.lp-section.alt{background:var(--panel)}
.lp-head{margin-bottom:28px}
.lp-head h2{margin:0 0 8px;font-size:clamp(22px,2.6vw,28px);font-weight:800}
.lp-head p{margin:0;color:var(--mut);font-size:14px;line-height:1.6}
.lp-steps{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  counter-reset:none;
}
.lp-steps li{
  position:relative;padding:8px 22px 8px 0;min-width:0;
}
.lp-steps li:not(:last-child)::after{
  content:"";position:absolute;top:22px;right:10px;left:56px;height:1px;
  background:linear-gradient(90deg,rgba(232,93,93,.45),var(--border));
}
.lp-steps b{
  display:block;margin-bottom:12px;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--accent);
}
.lp-steps h3{margin:0 0 8px;font-size:16px;font-weight:700}
.lp-steps p{margin:0;font-size:13px;line-height:1.65;color:var(--mut);max-width:18em}
.lp-modes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.lp-mode{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:28px 24px 26px;min-height:200px;
  border:1px solid var(--border);border-radius:18px;background:var(--bg);
  text-decoration:none;color:var(--txt);overflow:hidden;
  box-shadow:0 1px 0 rgba(255,255,255,.03);
  transition:border-color .25s ease,transform .28s cubic-bezier(.22,1,.36,1),box-shadow .28s ease,background .25s ease;
  opacity:0;transform:translateY(18px);
  animation:lp-mode-in .55s cubic-bezier(.22,1,.36,1) forwards;
}
.lp-mode:nth-child(1){animation-delay:.06s}
.lp-mode:nth-child(2){animation-delay:.14s}
.lp-mode:nth-child(3){animation-delay:.22s}
.lp-mode:nth-child(4){animation-delay:.3s}
.lp-mode::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .3s cubic-bezier(.22,1,.36,1);
}
.lp-section.alt .lp-mode{background:var(--panel2)}
.lp-mode:hover{
  border-color:rgba(232,93,93,.55);transform:translateY(-8px);
  box-shadow:0 18px 40px rgba(0,0,0,.28);text-decoration:none;color:var(--txt);
}
.lp-mode:hover::after{transform:scaleX(1)}
.lp-mode:active{transform:translateY(-3px)}
.lp-mode-k{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.lp-mode strong{font-size:20px;font-weight:800;line-height:1.35;letter-spacing:.01em}
.lp-mode-d{margin-top:auto;padding-top:8px;font-size:14px;line-height:1.65;color:var(--mut)}
.lp-mode .lp-mode-go{
  display:inline-flex;align-items:center;gap:4px;margin-top:4px;
  font-size:13px;font-weight:600;color:var(--accent);
  opacity:0;transform:translateX(-6px);
  transition:opacity .25s ease,transform .28s cubic-bezier(.22,1,.36,1);
}
.lp-mode:hover .lp-mode-go{opacity:1;transform:none}
@keyframes lp-mode-in{
  to{opacity:1;transform:none}
}
.lp-final{
  padding:clamp(48px,7vw,80px) clamp(16px,3vw,48px);
  background:
    radial-gradient(700px 280px at 50% 0%,rgba(232,93,93,.2),transparent 65%),
    var(--bg);
  text-align:center;border-top:1px solid var(--border);
}
.lp-final-inner{max-width:560px}
.lp-final h2{margin:0 0 10px;font-size:clamp(22px,3vw,30px);font-weight:800}
.lp-final p{margin:0;color:var(--mut);font-size:15px;line-height:1.6}
.lp-final .lp-cta{justify-content:center}
@keyframes lp-rise{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:none}
}
@media (prefers-reduced-motion: reduce){
  .lp-brand,.lp-hero h1,.lp-lead,.lp-cta,.lp-hero-visual{animation:none}
  .lp-mode{opacity:1;transform:none;animation:none}
  .lp-mode:hover,.lp-mode:active{transform:none}
  .lp-mode::after,.lp-mode .lp-mode-go{transition:none}
  .lp-mode .lp-mode-go{opacity:1;transform:none}
}
@media (max-width: 960px){
  .lp-hero-inner{grid-template-columns:1fr;gap:32px}
  .lp-mock{transform:none;max-width:520px}
  .lp-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}
  .lp-steps li:not(:last-child)::after{display:none}
  .lp-modes{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .lp-mode{min-height:180px;padding:24px 20px}
}
@media (max-width: 560px){
  .lp-steps,.lp-modes{grid-template-columns:1fr}
  .lp-cta .btn{width:100%;text-align:center;justify-content:center}
  .lp-mode{min-height:0}
}

.site-page-head{padding:24px clamp(16px,2.2vw,48px) 0}
.site-page-head h1{margin:0;font-size:26px}
.site-foot{margin-top:auto;padding:24px clamp(16px,2.2vw,48px);border-top:1px solid var(--border);background:var(--panel)}
.site-foot-inner{max-width:min(1600px,100%);width:100%;margin:0 auto;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}
.site-foot p{margin:6px 0 0;color:var(--mut);font-size:13px}
.site-url{margin-top:4px !important}
.site-url a{color:var(--link);font-size:12px;word-break:break-all}
.site-foot-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.site-foot-links a{color:var(--link);font-size:13px}
.bank-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
.bank-exam-day b{color:var(--accent);font-size:18px}
.bank-top{padding-top:18px;padding-bottom:0}
.bank-body{padding-top:16px}
.course-switch{display:flex;align-items:center;justify-content:space-between;gap:12px 18px;flex-wrap:wrap;padding:14px 18px;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:0 6px 20px rgba(0,0,0,.08)}
.course-switch-btn{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:0;border:none;background:transparent;color:var(--txt);font:inherit;font-size:15px;font-weight:600;cursor:pointer;text-align:left}
.course-switch-btn:hover{color:var(--accent)}
.course-switch-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.course-switch-ico{flex:0 0 auto;color:var(--mut)}
.course-switch-btn:hover .course-switch-ico{color:var(--accent)}
.course-switch-days{font-size:14px;white-space:nowrap}
.course-switch-days b{color:var(--accent);font-size:18px;font-weight:700;margin:0 2px}
.bank-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:clamp(14px,2vw,24px);align-items:start}
.bank-modes{display:flex;flex-direction:column;gap:4px;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
.bank-modes-title{padding:6px 10px 10px;font-size:12px;color:var(--mut);font-weight:600}
.bank-mode{display:block;width:100%;text-align:left;padding:10px 12px;border:none;border-radius:8px;background:transparent;color:var(--txt);font:inherit;font-weight:600;font-size:14px;text-decoration:none;cursor:pointer}
a.bank-mode:hover,button.bank-mode:hover{background:var(--panel2);text-decoration:none}
.bank-mode.on{background:rgba(232,93,93,.14);color:var(--accent)}
.bank-mode.soon{color:var(--mut);opacity:.72}
.bank-main{display:flex;flex-direction:column;gap:14px;min-width:0}
.bank-summary{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.bank-hint{width:100%;margin:4px 0 0;font-size:13px;line-height:1.6}
.bank-hint a{color:var(--link)}
.exam-empty{padding:28px 16px;text-align:center;color:var(--mut)}
.exam-empty-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}
.review-panel{padding:0;overflow:hidden}
.review-tabs{display:flex;flex-wrap:wrap;gap:4px 18px;padding:14px 18px 0;border-bottom:1px solid var(--border)}
.review-tab{appearance:none;border:none;background:transparent;padding:10px 2px 12px;margin-bottom:-1px;font:inherit;font-size:14px;font-weight:600;color:var(--mut);cursor:default;border-bottom:2px solid transparent;text-decoration:none}
button.review-tab,a.review-tab{cursor:pointer}
a.review-tab:hover{color:var(--txt);text-decoration:none}
.review-tab.on{color:var(--accent);border-bottom-color:var(--accent)}
.review-tab.soon{opacity:.65}
.review-table{padding:4px 0 10px}
.review-head,.review-row{display:grid;grid-template-columns:minmax(0,1fr) 110px 120px;gap:12px;align-items:center;padding:12px 18px}
.review-head{font-size:13px;color:var(--mut);font-weight:600;border-bottom:1px solid var(--border)}
.review-head > div:nth-child(2),.review-head > div:nth-child(3),
.review-count,.review-act{text-align:center}
.review-ch{border-bottom:1px solid var(--border)}
.review-ch:last-child{border-bottom:none}
.review-ch > summary{list-style:none;cursor:pointer}
.review-ch > summary::-webkit-details-marker{display:none}
.review-ch-row:hover{background:rgba(232,93,93,.05)}
.review-name{display:flex;align-items:center;gap:10px;min-width:0}
.review-ch-title{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.review-toggle{flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:var(--accent);position:relative}
.review-toggle::before,.review-ch:not([open]) > summary .review-toggle::after{content:"";position:absolute;left:50%;top:50%;background:#fff;border-radius:1px;transform:translate(-50%,-50%)}
.review-toggle::before{width:10px;height:2px}
.review-ch:not([open]) > summary .review-toggle::after{width:2px;height:10px}
.review-secs{background:var(--panel2)}
.review-sec-row{border-top:1px solid var(--border)}
.review-sec-row .review-name{padding-left:30px}
.review-sec-ico{flex:0 0 16px;width:14px;height:16px;border:1.5px solid var(--accent2);border-radius:2px;position:relative;opacity:.9}
.review-sec-ico::before{content:"";position:absolute;left:2px;right:2px;top:4px;height:1.5px;background:var(--accent2);box-shadow:0 3px 0 var(--accent2),0 6px 0 var(--accent2)}
.review-count{font-variant-numeric:tabular-nums;color:var(--txt)}
.review-act .btn{min-width:88px}
.review-empty{padding:24px 18px}
.special-summary{display:flex;gap:14px;align-items:stretch;flex-wrap:wrap;padding:14px 16px;margin-bottom:12px}
.special-stats{display:flex;gap:18px;flex:1;min-width:220px;align-items:center}
.special-stat{display:flex;flex-direction:column;gap:2px;min-width:64px}
.special-stat b{font-size:20px;line-height:1.15;font-variant-numeric:tabular-nums;font-weight:700}
.special-stat span{font-size:12px;color:var(--mut)}
.special-stat .c-blue{color:#3b82f6}
.special-stat .c-green{color:#16a34a}
.special-stat .c-red{color:#dc2626}
.special-tip{flex:1;min-width:220px;padding:10px 12px;border-radius:8px;background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.18);color:var(--txt);font-size:12px;line-height:1.55}
.special-panel{padding:0;overflow:hidden}
.special-table{padding:2px 0 8px}
.special-head,.special-row{display:grid;grid-template-columns:minmax(0,1.4fr) 100px 80px 108px;gap:10px;align-items:center;padding:10px 16px}
.special-head{font-size:12px;color:var(--mut);font-weight:600;border-bottom:1px solid var(--border)}
.special-head > div:nth-child(2),.special-head > div:nth-child(3),.special-head > div:nth-child(4),
.special-count,.special-acc,.special-act{text-align:center}
.special-row{border-bottom:1px solid var(--border)}
.special-row:last-child{border-bottom:none}
.special-row:hover{background:rgba(232,93,93,.04)}
.special-name{display:flex;align-items:flex-start;gap:10px;min-width:0}
.special-ico{flex:0 0 26px;width:26px;height:30px;margin-top:1px;border-radius:3px;background:linear-gradient(180deg,#fbbf24,#f59e0b);position:relative;box-shadow:inset 0 -2px 0 rgba(0,0,0,.08)}
.special-ico::before{content:"";position:absolute;left:5px;right:5px;top:8px;height:1.5px;background:rgba(255,255,255,.75);box-shadow:0 4px 0 rgba(255,255,255,.65),0 8px 0 rgba(255,255,255,.55)}
.special-title{font-weight:600;font-size:14px;line-height:1.35}
.special-name .mut.mini{font-size:12px;margin-top:2px}
.special-count,.special-acc{font-size:13px;font-variant-numeric:tabular-nums}
.special-act .btn{min-width:88px;font-size:13px;padding:6px 12px}
.special-empty{padding:20px 16px;font-size:13px}
.as-sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 14px}
.as-sec-head h2{margin:0;font-size:15px;font-weight:600}
.as-subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.as-subject-card{padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--panel2)}
.as-subject-name{margin:0 0 12px;font-size:14px;font-weight:600;line-height:1.4}
.as-subject-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.as-metric{display:flex;flex-direction:column;gap:2px;min-width:0}
.as-metric b{font-size:18px;font-variant-numeric:tabular-nums;line-height:1.2;color:var(--txt)}
.as-metric span{font-size:11px;color:var(--mut)}
.as-metric a{color:inherit;text-decoration:none}
.as-metric a:hover b{color:var(--link)}
.as-metric.warn b,.as-metric.warn a b{color:var(--accent)}
.as-set-form{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin:0}
.as-list-card{padding:0;overflow:hidden}
.as-list-head{padding:16px 18px 0;margin-bottom:10px}
.as-filter-bar{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:end;padding:0 18px 14px;border-bottom:1px solid var(--border)}
.as-filter-bar .field.grow{flex:1 1 160px;min-width:140px}
.as-check{display:inline-flex;align-items:center;gap:6px;margin:0;padding-bottom:8px;font-size:13px;color:var(--mut);cursor:pointer;user-select:none}
.as-check input{width:15px;height:15px;accent-color:var(--accent)}
.as-table-wrap{overflow-x:hidden;width:100%}
.as-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:13px}
.as-table th,.as-table td{padding:10px 10px;border-top:1px solid var(--border);text-align:center;vertical-align:middle}
.as-table th{font-size:12px;font-weight:600;color:var(--mut);border-top:none;background:var(--panel2);white-space:nowrap}
.as-table tbody tr:hover td{background:rgba(255,255,255,.03)}
html[data-theme="light"] .as-table tbody tr:hover td{background:rgba(0,0,0,.025)}
.as-table .c-id{width:6.5em;white-space:nowrap}
.as-table .c-id code{font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:12px;font-variant-numeric:tabular-nums;color:var(--mut)}
.as-table .c-sub{width:9em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--mut);font-size:12px}
.as-table .c-kind{width:5.5em;white-space:nowrap}
.as-table .c-rule{width:6.5em;white-space:nowrap;font-size:12px}
.as-table .c-conf{width:3.5em;white-space:nowrap}
.as-table .c-stem{width:auto;min-width:0;text-align:left;color:var(--mut);line-height:1.5;overflow:hidden}
.as-table .c-stem > span{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;word-break:break-word}
.as-table th.c-stem{text-align:left;padding-left:12px}
.as-table td.c-stem{text-align:left;padding-left:12px}
.as-table .c-ops{width:9.5em;white-space:nowrap}
.as-ops{display:inline-flex;gap:4px;align-items:center;justify-content:center;margin:0}
.as-ops-out{color:var(--mut)!important}
.as-kind-calc{color:#f0a060;border-color:rgba(240,160,96,.4);background:rgba(240,160,96,.1)}
.as-kind-num{color:var(--link);border-color:rgba(109,180,255,.4);background:rgba(109,180,255,.1)}
.as-conf-high{color:var(--accent2);border-color:rgba(76,175,80,.4);background:var(--ok-bg)}
.as-conf-mid{color:var(--accent);border-color:rgba(232,93,93,.4);background:var(--bad-bg)}
.as-conf-manual{color:var(--txt);border-color:var(--border)}
.as-empty{text-align:center;color:var(--mut);padding:28px 12px!important}
.btn.mini{padding:3px 8px;font-size:12px;min-width:0}
.mini{font-size:12px}
@media (max-width: 900px){
  .as-subject-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .as-table .c-sub,.as-table .c-rule{display:none}
}
@media (max-width: 720px){
  .review-head,.review-row{grid-template-columns:minmax(0,1fr) 64px 96px;padding:10px 12px;gap:8px;font-size:13px}
  .review-sec-row .review-name{padding-left:12px}
  .review-ch-title{white-space:normal}
  .special-stats{gap:12px;min-width:0}
  .special-stat b{font-size:18px}
  .special-title{font-size:13px}
  .special-summary{padding:12px;gap:10px}
  .special-tip{min-width:0}
}
.course-picker{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.45)}
.course-picker[hidden]{display:none !important}
body.picker-open{overflow:hidden}
.course-picker-card{width:min(960px,100%);max-height:min(78vh,640px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:0 20px 56px rgba(0,0,0,.4);overflow:hidden}
.course-picker-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border)}
.course-picker-head h2{margin:0;font-size:17px}
.course-picker-x{width:36px;height:36px;border:none;border-radius:8px;background:transparent;color:var(--mut);font-size:24px;line-height:1;cursor:pointer}
.course-picker-x:hover{background:var(--panel2);color:var(--txt)}
.course-picker-body{display:grid;grid-template-columns:minmax(160px,32%) minmax(0,1fr);min-height:0;flex:1}
.course-picker-tracks{display:flex;flex-direction:column;gap:2px;padding:10px;border-right:1px solid var(--border);overflow:auto;background:var(--panel2)}
.course-picker-track{display:block;width:100%;text-align:left;padding:12px 12px;border:none;border-left:3px solid transparent;border-radius:0 8px 8px 0;background:transparent;color:var(--mut);font:inherit;font-size:13px;line-height:1.45;cursor:pointer}
.course-picker-track:hover{color:var(--txt);background:rgba(255,255,255,.04)}
.course-picker-track.on{color:var(--accent);border-left-color:var(--accent);background:rgba(232,93,93,.1);font-weight:600}
.course-picker-courses{padding:14px;overflow:auto;min-width:0}
.course-picker-panel{display:none}
.course-picker-panel.on{display:block}
.course-picker-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.course-picker-item{display:flex;align-items:center;justify-content:center;min-height:56px;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--panel2);color:var(--txt);text-align:center;text-decoration:none;font-size:14px;font-weight:600;line-height:1.4}
.course-picker-item:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.course-picker-item.on{border-color:var(--accent);background:rgba(232,93,93,.14);color:var(--accent)}
.notice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.notice-card{padding:16px 18px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
.notice-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}
.notice-card-head h2{margin:0;font-size:16px;color:var(--accent)}
.notice-card-head time{font-size:12px;color:var(--mut)}
.notice-card h3{margin:0 0 8px;font-size:15px;line-height:1.5}
.notice-card h3 a{color:var(--txt);text-decoration:none}
.notice-card h3 a:hover{color:var(--accent)}
.notice-card code{font-size:12px}

@media (min-width: 1800px){
  .site-section-inner,.site-foot-inner{max-width:1760px}
  .bank-layout{grid-template-columns:240px minmax(0,1fr)}
}
@media (max-width: 900px){
  .site-top{flex-wrap:wrap;gap:8px 10px;padding:10px 12px}
  .site-menu-btn{display:inline-flex}
  .site-actions{order:2;margin-left:0}
  .site-nav{
    display:none;order:3;flex:1 1 100%;flex-direction:column;align-items:stretch;
    gap:2px;padding:8px 0 4px;border-top:1px solid var(--border);margin-top:2px;
  }
  .site-top.nav-open .site-nav{display:flex}
  .site-nav > a,.site-nav-parent{
    display:block;padding:12px 12px;font-size:15px;border-radius:10px;
  }
  .site-nav-drop{width:100%}
  .site-nav-parent{width:100%}
  .site-feats,.notice-grid{grid-template-columns:1fr}
  .bank-layout{grid-template-columns:1fr;gap:12px}
  .site-list a{grid-template-columns:auto 1fr;gap:6px 10px}
  .site-list time{grid-column:2}
  .course-picker-body{grid-template-columns:1fr}
  .course-picker-tracks{flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--border);max-height:none}
  .course-picker-track{width:auto;border-left:none;border-bottom:2px solid transparent;border-radius:8px;padding:8px 10px}
  .course-picker-track.on{border-bottom-color:var(--accent);border-left-color:transparent}
  .course-picker-grid{grid-template-columns:1fr}
  .course-picker-card{width:min(720px,calc(100vw - 20px));border-radius:16px;max-height:min(82dvh,640px)}
  .course-picker{padding:16px 12px;align-items:flex-end}
  .course-switch-name{white-space:normal}
  .site-hero{padding:28px 16px 32px}
  .site-cta .btn{min-height:40px;padding:10px 16px}
  .site-feat{padding:16px 14px}
  .review-tabs{display:none}
  .notice-card{overflow:visible}
  .notice-card .mut{overflow-wrap:anywhere;word-break:break-word}
  .site-page-head{padding:18px 14px 0}
  .site-page-head h1{font-size:22px}
  .site-section{padding-left:14px;padding-right:14px}
  .site-foot{padding:20px 14px}
  body.site-nav-open{overflow:hidden}
}
@media (max-width: 560px){
  .site-brand-text small{display:none}
  .site-actions .btn{padding:6px 10px;font-size:12px}
  .stats{width:100%}
  .stat{flex:1 1 calc(50% - 8px)}
}