/* ============================================================
   学员端界面
   ============================================================ */

/* ---------- 应用外壳 ---------- */
.shell{display:flex;min-height:100vh}

/* 侧边栏 */
.side{
  position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);z-index:60;
  display:flex;flex-direction:column;
  background:
    radial-gradient(90% 55% at 8% 0%, rgba(27,92,255,.22) 0%, transparent 60%),
    linear-gradient(180deg,#0B1B2D 0%,#08131F 100%);
  color:#fff;
  border-right:1px solid rgba(255,255,255,.06);
}
.side::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(180deg,#000,transparent 72%);
}
.side-brand{position:relative;z-index:1;display:flex;align-items:center;gap:11px;padding:20px 20px 18px}
.side-brand b{font-size:14.5px;letter-spacing:-.01em;display:block;line-height:1.3}
.side-brand span{display:block;font-size:10.5px;color:rgba(255,255,255,.42);letter-spacing:.06em;margin-top:2px}

.side-nav{position:relative;z-index:1;flex:1;padding:10px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.nav-item .count{
  margin-left:auto;font-size:10.5px;font-family:var(--mono);font-weight:600;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.7);padding:1px 6px;border-radius:99px;
}
.side-foot{position:relative;z-index:1;padding:12px;border-top:1px solid rgba(255,255,255,.07)}
.side-link{
  display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:9px;
  color:rgba(255,255,255,.5);font-size:12.5px;cursor:pointer;text-decoration:none;transition:.15s;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link .ico{width:15px;height:15px}
.side-note{font-size:10.5px;color:rgba(255,255,255,.26);padding:8px 11px 2px;line-height:1.6}
.side-copy{font-size:10.5px;color:rgba(255,255,255,.3);padding:6px 11px 10px;line-height:1.5;letter-spacing:.01em}

/* 主区 */
.main{flex:1;min-width:0;margin-left:var(--sidebar-w);display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:40;height:var(--topbar-h);flex:none;
  display:flex;align-items:center;gap:16px;padding:0 30px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar h1{font-size:16.5px;letter-spacing:-.01em}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}

.content{flex:1;padding:26px 30px 48px;max-width:1320px;width:100%;margin:0 auto}
.page{display:none;animation:pageIn .22s ease}
.page.active{display:block}
@keyframes pageIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}


/* ============================================================
   首页
   ============================================================ */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(115deg,#0B1B2D 0%,#0E2A4C 46%,#123E6E 100%);
  padding:46px 46px 42px;color:#fff;margin-bottom:20px;
  box-shadow:0 30px 70px -40px rgba(8,19,31,.8);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(80% 120% at 78% 0%,#000,transparent 72%);
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-120px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,107,255,.5),transparent 66%);filter:blur(24px);
}
.hero-inner{position:relative;z-index:2;max-width:700px}
.hero-art{position:absolute;right:18px;bottom:0;width:430px;z-index:1;opacity:.85;pointer-events:none}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:99px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);
  font-size:11.5px;font-weight:600;letter-spacing:.03em;color:#CFE0FF;margin-bottom:18px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:#4CE0B0;box-shadow:0 0 0 3px rgba(76,224,176,.2)}
.hero h1{font-size:38px;line-height:1.18;letter-spacing:-.035em;font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7FB0FF,#4CE0B0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-top:14px;max-width:600px}
.hero-stats{display:flex;gap:0;margin-top:30px;flex-wrap:wrap}
.hero-stat{padding-right:34px;margin-right:34px;border-right:1px solid rgba(255,255,255,.12)}
.hero-stat:last-child{border:0;margin:0;padding:0}
.hero-stat b{display:block;font-size:25px;font-family:var(--mono);font-weight:600;letter-spacing:-.02em}
.hero-stat span{font-size:11.5px;color:rgba(255,255,255,.45);letter-spacing:.04em}

/* 工种入口卡 */
.occ-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:20px}
.occ-card{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;cursor:pointer;transition:.2s;
  box-shadow:var(--sh-1);text-align:left;
}
.occ-card:hover{border-color:#BBD0FF;box-shadow:var(--sh-2);transform:translateY(-2px)}
.occ-card .occ-top{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.occ-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,#FFF4D6,#FFE7A8);color:#C77A00;
}
.occ-card.wind .occ-icon{background:linear-gradient(150deg,#E4F0FF,#CFE2FF);color:#1B5CFF}
.occ-icon .ico{width:23px;height:23px;stroke-width:1.9}
.occ-title{font-size:16.5px;font-weight:700;letter-spacing:-.015em}
.occ-code{font-size:11.5px;color:var(--text-3);font-family:var(--mono);margin-top:2px}
.occ-desc{font-size:13px;color:var(--text-2);line-height:1.7}
.occ-foot{display:flex;align-items:center;gap:8px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.occ-foot .btn{margin-left:auto}
.occ-meta{font-size:11.5px;color:var(--text-3)}

/* 快捷入口 */
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.quick{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;
  cursor:pointer;transition:.18s;display:flex;flex-direction:column;gap:10px;
}
.quick:hover{border-color:#C5D6F2;box-shadow:var(--sh-2);transform:translateY(-2px)}
.quick .qi{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand-600)}
.quick .qi .ico{width:17px;height:17px}
.quick b{font-size:13.5px}
.quick p{font-size:12px;color:var(--text-3);line-height:1.6}

/* ============================================================
   列表页（培训 / 考核 / 标准）
   ============================================================ */

.sess-pick{
  display:inline-flex;align-items:center;gap:8px;padding:5px 6px 5px 12px;
  background:var(--brand-50);border:1px solid #D5E2FF;border-radius:10px;font-size:12.5px;color:var(--brand-700);
}
.sess-pick .select{height:30px;border-color:#C9DAFF;background:#fff;font-size:12.5px;min-width:220px}
.sess-pick > span:first-child{white-space:nowrap;flex:none}

.group-title{
  display:flex;align-items:center;gap:9px;margin:24px 0 12px;
  font-size:12.5px;font-weight:700;color:var(--text-2);letter-spacing:.02em;
}
.group-title::before{content:"";width:3px;height:13px;border-radius:2px;background:var(--brand)}
.group-title.sec::before{background:#C8D3E2}
.group-title .n{font-family:var(--mono);color:var(--text-3);font-weight:500}

.scn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.scn{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;display:flex;flex-direction:column;gap:12px;transition:.18s;box-shadow:var(--sh-1);
}
.scn:hover{border-color:#C5D6F2;box-shadow:var(--sh-2)}
.scn-h{display:flex;align-items:flex-start;gap:11px}
.scn-no{
  width:30px;height:30px;border-radius:8px;flex:none;display:grid;place-items:center;
  background:var(--surface-3);color:var(--text-2);font-family:var(--mono);font-size:11.5px;font-weight:600;
}
.scn.lvl-L5 .scn-no{background:#E9F4FF;color:#0B6BCB}
.scn.lvl-L4 .scn-no{background:#E7F8F3;color:#00805F}
.scn.lvl-L3 .scn-no{background:#F1EEFF;color:#5B3FD6}
.scn.lvl-L2 .scn-no{background:#FEF5E7;color:#A45B00}
.scn.lvl-L1 .scn-no{background:#FDEDED;color:#B42318}
.scn-title{font-size:14.5px;font-weight:700;line-height:1.45;letter-spacing:-.01em}
.scn-ref{font-size:11.5px;color:var(--text-3);margin-top:3px;line-height:1.5}
.scn-mission{
  font-size:12.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.scn-tags{display:flex;flex-wrap:wrap;gap:5px}
.scn-foot{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:4px}
.scn-foot .meta{font-size:11.5px;color:var(--text-3);display:flex;align-items:center;gap:12px}
.scn-foot .meta span{display:inline-flex;align-items:center;gap:4px}
.scn-foot .btn{margin-left:auto}

/* ============================================================
   考核设置
   ============================================================ */
.exam-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:18px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.panel-h{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-h h3{font-size:14.5px}
.panel-b{padding:22px}
.panel-b.tight{padding:16px 22px}

.kv{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13px}
.kv:last-child{border:0;padding-bottom:0}
.kv .k{color:var(--text-2);flex:none}
.kv .v{text-align:right;font-weight:600;font-variant-numeric:tabular-nums}
.kv .v.mono{font-family:var(--mono)}

.rule-list{display:flex;flex-direction:column;gap:10px}
.rule{display:flex;gap:10px;font-size:12.5px;line-height:1.65;color:var(--text-2)}
.rule .n{
  width:19px;height:19px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);font-size:10.5px;font-weight:700;margin-top:1px;
}
.rule.warn .n{background:var(--danger-50);color:var(--danger)}

.paper-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.paper-chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:7px;
  background:var(--surface-2);border:1px solid var(--line);font-size:11.5px;color:var(--text-2);
  max-width:100%;
}
.paper-chip i{font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--text-3)}

.alert{
  display:flex;gap:10px;padding:13px 15px;border-radius:10px;font-size:12.5px;line-height:1.7;
  background:var(--amber-50);border:1px solid #F7DFBE;color:#8A4E00;
}
.alert .ico{width:16px;height:16px;flex:none;margin-top:2px}
.alert.danger{background:var(--danger-50);border-color:#F6CBCB;color:#9B1C20}
.alert.info{background:var(--brand-50);border-color:#D5E2FF;color:#0E3AAE}

/* ============================================================
   标准对照
   ============================================================ */
.cover-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh-1)}
.stat-card .lb{font-size:11.5px;color:var(--text-3);letter-spacing:.02em;display:flex;align-items:center;gap:6px}
.stat-card .vl{font-size:27px;font-weight:700;font-family:var(--mono);letter-spacing:-.03em;margin-top:8px;line-height:1}
.stat-card .vl small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:3px;font-family:var(--font)}
.stat-card .sub{font-size:11.5px;color:var(--text-3);margin-top:7px}

.fn-block{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-bottom:12px;overflow:hidden}
.fn-head{padding:14px 18px;display:flex;align-items:center;gap:12px;background:var(--surface-2);border-bottom:1px solid var(--line);cursor:pointer;user-select:none}
.fn-head b{font-size:13.5px}
.fn-head .wt{margin-left:auto;font-size:11.5px;color:var(--text-2);background:var(--surface);border:1px solid var(--line);padding:2px 9px;border-radius:99px;font-family:var(--mono)}
.fn-head .chev{transition:.2s;color:var(--text-3)}
.fn-block.collapsed .chev{transform:rotate(-90deg)}
.fn-block.collapsed .fn-body{display:none}
.fn-body{padding:6px 18px 14px}
.sub-item{padding:12px 0;border-bottom:1px dashed var(--line)}
.sub-item:last-child{border:0}
.sub-name{font-size:12.5px;font-weight:600;color:var(--text);margin-bottom:9px;display:flex;align-items:center;gap:7px}
.sub-name::before{content:"";width:5px;height:5px;border-radius:1px;background:#C8D3E2;transform:rotate(45deg)}
.point{display:flex;align-items:flex-start;gap:10px;padding:6px 0;font-size:12.5px;line-height:1.65}
.point code{
  font-family:var(--mono);font-size:11px;color:var(--text-3);background:var(--surface-2);
  border:1px solid var(--line);padding:1px 6px;border-radius:5px;flex:none;margin-top:1px;
}
.point .txt{flex:1;color:var(--text-2)}
.point .flag{flex:none;font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:5px;margin-top:1px}
.point .flag.yes{background:var(--mint-50);color:#00805F}
.point .flag.no{background:var(--surface-3);color:var(--text-3)}

/* ============================================================
   成绩档案
   ============================================================ */
.rec-list{display:flex;flex-direction:column;gap:10px}
.rec{
  display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);transition:.15s;
}
.rec:hover{border-color:#C5D6F2}
.rec-score{
  width:58px;height:58px;border-radius:14px;flex:none;display:grid;place-items:center;
  font-family:var(--mono);font-size:19px;font-weight:700;position:relative;
}
.rec-score.pass{background:var(--mint-50);color:#00805F;box-shadow:inset 0 0 0 1px #C6EEE2}
.rec-score.fail{background:var(--danger-50);color:#B42318;box-shadow:inset 0 0 0 1px #F6CBCB}
.rec-score small{font-size:9.5px;font-weight:600;opacity:.6;display:block;text-align:center;line-height:1;margin-top:-2px}
.rec-main{flex:1;min-width:0}
.rec-title{font-size:14px;font-weight:650;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rec-meta{font-size:12px;color:var(--text-3);margin-top:5px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rec-meta span{display:inline-flex;align-items:center;gap:4px}

/* ============================================================
   场景执行器
   ============================================================ */
.runner{position:fixed;inset:0;z-index:150;display:flex;flex-direction:column;background:#0A1626;animation:fadeIn .18s}
.runner-top{
  flex:none;display:flex;align-items:center;gap:16px;padding:0 22px;height:58px;
  background:rgba(255,255,255,.045);border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.runner-top .back{
  white-space:nowrap;flex:none;
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.8);
  font-size:12.5px;font-weight:600;cursor:pointer;transition:.15s;
}
.runner-top .back:hover{background:rgba(255,255,255,.14);color:#fff}
.runner-top h2{font-size:14.5px;font-weight:650;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw}
.runner-top .meta{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:rgba(255,255,255,.5)}
.timer{font-family:var(--mono);font-size:12.5px;background:rgba(255,255,255,.08);padding:4px 9px;border-radius:7px;color:#fff;white-space:nowrap}
.timer.warn{background:rgba(229,72,77,.2);color:#FF9EA1}

.runner-prog{flex:none;height:2px;background:rgba(255,255,255,.08)}
.runner-prog i{display:block;height:100%;background:linear-gradient(90deg,#2E6BFF,#4CE0B0);transition:width .3s ease}

.runner-body{flex:1;min-height:0;display:flex;gap:0;overflow:hidden}

/* 左侧题面 */
.qpane{
  width:480px;flex:none;display:flex;flex-direction:column;background:#fff;overflow:hidden;
  border-right:1px solid rgba(0,0,0,.06);
}
.qpane-scroll{flex:1;overflow-y:auto;padding:22px 24px 28px}
.runner.wide .qpane{width:440px}

.mission{
  border-radius:11px;background:linear-gradient(180deg,#F7FAFF,#F2F6FE);
  border:1px solid #E1EAFA;padding:13px 15px;font-size:12.5px;line-height:1.75;color:var(--text-2);margin-bottom:18px;
}
.mission b{color:var(--text);font-weight:650;font-size:12px;letter-spacing:.02em}
.mission .ref{display:block;margin-top:6px;font-size:11.5px;color:var(--text-3)}

.step-meta{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.step-meta .idx{font-family:var(--mono);font-size:11.5px;font-weight:700;color:var(--brand);background:var(--brand-50);padding:2px 7px;border-radius:5px}
.step-meta .kind{font-size:11.5px;color:var(--text-3)}
.q-title{font-size:16.5px;line-height:1.55;font-weight:650;letter-spacing:-.015em;margin-bottom:16px}
.q-title .op-tag{
  display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;vertical-align:2px;
  background:var(--violet-50);color:#5B3FD6;padding:3px 8px;border-radius:5px;margin-right:8px;
}

.opts{display:flex;flex-direction:column;gap:9px}
.opt{
  display:flex;align-items:flex-start;gap:11px;width:100%;text-align:left;cursor:pointer;
  border:1px solid var(--line-2);background:var(--surface);border-radius:11px;
  padding:13px 14px;font-size:13.5px;line-height:1.6;transition:.15s;position:relative;
}
.opt:hover:not(:disabled){border-color:#A9C1F5;background:#FBFDFF}
.opt .key{
  width:21px;height:21px;border-radius:6px;flex:none;display:grid;place-items:center;
  background:var(--surface-3);color:var(--text-2);font-size:11.5px;font-weight:700;font-family:var(--mono);
  transition:.15s;margin-top:1px;
}
.opt:disabled{cursor:default}
.opt.right{border-color:#7BD9BC;background:#F2FCF8}
.opt.right .key{background:var(--mint);color:#fff}
.opt.wrong{border-color:#F3AEB1;background:#FEF6F6}
.opt.wrong .key{background:var(--danger);color:#fff}
.opt.faded{opacity:.45}
.opt .mark{margin-left:auto;flex:none;margin-top:2px}

.feedback{
  display:none;margin-top:16px;border-radius:11px;padding:13px 15px;font-size:12.5px;line-height:1.75;
  border:1px solid transparent;
}
.feedback.show{display:block;animation:pageIn .18s}
.feedback.ok{background:var(--mint-50);border-color:#BEEBDD;color:#00664C}
.feedback.bad{background:var(--danger-50);border-color:#F6CBCB;color:#9B1C20}
.feedback.note{background:#EEF3FB;border-color:#C9D8EE;color:#274B77}
.feedback b{font-weight:700}
.feedback .fb-h{display:flex;align-items:center;gap:7px;font-weight:700;margin-bottom:4px;font-size:12.5px}

/* 答错时的正确答案/正确操作提示（仅培训模式显示） */
.ans-hint{
  display:flex;align-items:flex-start;gap:7px;margin-top:10px;padding:9px 11px;
  border-radius:8px;background:rgba(255,255,255,.72);border:1px dashed currentColor;
  font-weight:500;line-height:1.7;
}
.ans-hint b{flex:none;font-weight:700}
.ans-hint svg{flex:none;margin-top:3px}
.ans-why{display:block;margin-top:3px;opacity:.88;font-size:12px}

.fatal-banner{
  display:none;margin-bottom:14px;padding:12px 14px;border-radius:10px;
  background:linear-gradient(100deg,#7F1D1D,#B42318);color:#fff;font-size:12.5px;line-height:1.65;
  font-weight:600;box-shadow:0 12px 28px -16px rgba(180,35,24,.9);
}
.fatal-banner.show{display:block;animation:pageIn .2s}

.qfoot{
  flex:none;padding:14px 24px;border-top:1px solid var(--line);background:var(--surface-2);
  display:flex;align-items:center;gap:10px;
}
.qfoot .hint{font-size:12px;color:var(--text-3);margin-right:auto}
.qfoot .btn.primary{margin-left:auto}

/* 步骤导航 */
.step-map{flex:none;display:flex;flex-wrap:wrap;gap:6px;padding:12px 24px;border-top:1px dashed var(--line);background:var(--surface)}
.step-map i{
  width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-family:var(--mono);font-size:11px;font-style:normal;font-weight:600;
  background:var(--surface-3);color:var(--text-3);transition:.15s;
}
.step-map i.done{background:var(--mint-50);color:#00805F}
.step-map i.cur{background:var(--brand);color:#fff;box-shadow:0 5px 12px -7px rgba(27,92,255,1)}
.step-map i.bad{background:var(--danger-50);color:#B42318;box-shadow:inset 0 0 0 1px #F6CBCB}

/* 右侧图例 */
.dpane{
  flex:1;min-width:0;display:flex;flex-direction:column;
  background:
    radial-gradient(80% 60% at 70% 10%, rgba(27,92,255,.16), transparent 60%),
    linear-gradient(180deg,#0C1B2D,#0A1421);
  color:#fff;padding:20px 22px;overflow:hidden;
}
.dpane-h{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex:none}
.dpane-h b{font-size:12.5px;font-weight:600;color:rgba(255,255,255,.85)}
.dpane-h .tip{margin-left:auto;font-size:11.5px;color:rgba(255,255,255,.4)}
.dia-stage{
  flex:1;min-height:0;border-radius:14px;
  background-color:#FBFCFE;
  background-image:radial-gradient(rgba(27,92,255,.13) 1px,transparent 1px);
  background-size:22px 22px;
  border:1px solid rgba(255,255,255,.1);position:relative;overflow:auto;
  box-shadow:inset 0 1px 0 #fff, 0 24px 50px -30px rgba(0,0,0,.8);
}
.dia-stage svg{width:100%;height:100%;min-height:100%;display:block}
.dia-legend{
  flex:none;display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:11.5px;color:rgba(255,255,255,.5);
}
.dia-legend span{display:inline-flex;align-items:center;gap:6px}
.dia-legend i{width:9px;height:9px;border-radius:2.5px;display:block}
.op-hint{
  display:flex;align-items:center;gap:8px;font-size:12px;color:#0E3AAE;background:var(--brand-50);
  border:1px solid #D5E2FF;border-radius:9px;padding:9px 12px;margin-bottom:12px;
}
.op-hint b{font-family:var(--mono)}

/* 图上设备交互 */
.dia-stage .dev{cursor:pointer;transition:filter .12s}
.dia-stage .dev:hover{filter:drop-shadow(0 0 6px rgba(27,92,255,.55))}
.dia-stage .dev.picked .hit{stroke:var(--brand);stroke-width:2.5;stroke-dasharray:5 4}
.dia-stage .dev.picked-ok .hit{stroke:#00B589;stroke-width:2.5}
.dia-stage .dev.picked-bad .hit{stroke:#E5484D;stroke-width:2.5}
.dia-stage .dev.picked-fatal .hit{stroke:#B42318;stroke-width:3;fill:rgba(229,72,77,.08)}
.dia-stage .hit{fill:transparent;stroke:transparent;stroke-width:0}
.dia-stage .dw{stroke:#8FA3B8;stroke-width:2.2;stroke-linecap:round}
.dia-stage .nlabel{font-size:10.5px;fill:#43566B;font-weight:600;font-family:var(--font);paint-order:stroke;stroke:#FBFCFE;stroke-width:3px;stroke-linejoin:round}
.dia-stage .dev.dim{opacity:.4}
.dia-stage text{font-family:var(--font)}

/* 纯文字题：题面居中铺满 */
.runner.solo .qpane{width:100%;max-width:820px;margin:0 auto;border-right:0}
.runner.solo .runner-body{background:#fff}
.runner.solo .qfoot{border-radius:0}

/* 结果页容器 */
.runner-result{flex:1;min-height:0;overflow-y:auto;background:var(--bg)}

/* 结果页 */
.result-wrap{max-width:760px;margin:0 auto;padding:34px 24px 48px;width:100%}
.result-hero{
  border-radius:18px;padding:30px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0B1B2D,#123E6E);
}
.result-hero.fail{background:linear-gradient(120deg,#2A1215,#7F1D1D)}
.result-hero::after{
  content:"";position:absolute;width:340px;height:340px;right:-90px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(76,224,176,.32),transparent 65%);
}
.result-hero.fail::after{background:radial-gradient(circle,rgba(255,138,141,.28),transparent 65%)}
.result-score{font-size:58px;font-family:var(--mono);font-weight:700;letter-spacing:-.04em;line-height:1;position:relative;z-index:1}
.result-score small{font-size:18px;font-weight:600;opacity:.6;margin-left:4px}
.result-verdict{font-size:15px;font-weight:700;margin-top:10px;position:relative;z-index:1}
.result-sub{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:6px;position:relative;z-index:1;line-height:1.7}

.result-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:16px}
.result-facts > div{background:#fff;padding:14px 16px}
.result-facts span{display:block;font-size:11.5px;color:var(--text-3)}
.result-facts b{display:block;font-size:15px;margin-top:5px;font-variant-numeric:tabular-nums}
@media (max-width:720px){.result-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}

.res-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line);margin-top:18px}
.res-table th{background:var(--surface-2);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3);text-align:left;padding:11px 15px;border-bottom:1px solid var(--line);font-weight:700}
.res-table td{padding:12px 15px;font-size:12.5px;border-bottom:1px solid var(--line);color:var(--text-2)}
.res-table tr:last-child td{border:0}
.res-table .s{font-family:var(--mono);font-weight:700;color:var(--text)}

.vio-box{background:#fff;border:1px solid #F6CBCB;border-radius:14px;padding:18px 20px;margin-top:16px}
.vio-box h4{font-size:13px;color:#B42318;display:flex;align-items:center;gap:7px;margin-bottom:10px}
.vio-box ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.vio-box li{font-size:12.5px;color:var(--text-2);line-height:1.7;padding-left:14px;position:relative}
.vio-box li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;background:#E5484D}

/* ============================================================
   响应式
   ============================================================ */
.burger{display:none;width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--text-2)}
.scrim{display:none;position:fixed;inset:0;background:rgba(8,19,31,.5);z-index:55}

@media (max-width:1180px){
  .exam-layout{grid-template-columns:1fr}
  .cover-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qpane,.runner.wide .qpane{width:400px}
}
@media (max-width:980px){
  :root{--sidebar-w:0px}
  .side{transform:translateX(-100%);transition:transform .24s ease;width:262px}
  body.nav-open .side{transform:none}
  body.nav-open .scrim{display:block}
  .main{margin-left:0}
  .burger{display:flex}
  .content{padding:18px 16px 40px}
  .topbar{padding:0 16px}
  .crumb{overflow:hidden;white-space:nowrap;min-width:0}
  .crumb > span:first-child,.crumb > .ico:first-of-type{display:none}
  .crumb b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scn-grid{grid-template-columns:1fr}
  .occ-grid{grid-template-columns:1fr}
  .hero{padding:32px 24px}
  .hero h1{font-size:29px}
  .hero-art{display:none}
  .runner-body{flex-direction:column;overflow-y:auto}
  .qpane{width:100%;border-right:0;border-bottom:1px solid var(--line);overflow:visible;display:block}
  .qpane-scroll{overflow:visible;padding:18px}
  .dpane{min-height:340px;flex:none;padding:12px}
  .dpane-h{display:none}
  .dia-legend{display:none}
  .dia-stage{min-height:290px}
  .runner.op-step .dpane{order:-1;border-bottom:1px solid rgba(0,0,0,.08)}
  .qfoot{position:sticky;bottom:0;z-index:3}
  .runner-top{height:auto;min-height:54px;padding:8px 12px;gap:8px}
  .runner-top h2{font-size:13.5px;max-width:32vw}
  .runner-top .meta{gap:6px}
  .runner-top .meta > .badge:not(.timer):not(.lec-badge){display:none}
  .runner-top .meta > .badge.lec-badge{font-size:10.5px;padding:3px 7px}
  .timer{font-size:11px;padding:3px 7px}
  .step-map{padding:10px 16px}
  .qfoot{padding:12px 16px}
}
@media (max-width:640px){
  .hero-stats{gap:18px 0}
  .hero-stat{padding-right:18px;margin-right:18px}
  .hero-stat b{font-size:20px}
  .quick-grid{grid-template-columns:1fr}
  .rec{flex-wrap:wrap}
  .toolbar{gap:8px}
}

/* ============================================================
   顶栏用户区
   ============================================================ */
.user-chip{position:relative;display:flex;align-items:center}
.uc-btn{
  display:flex;align-items:center;gap:9px;padding:4px 9px 4px 4px;
  border:1px solid var(--line);background:var(--surface);border-radius:99px;
  cursor:pointer;transition:.15s;color:var(--text-2);
}
.uc-btn:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.uc-av{
  width:28px;height:28px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,#1B5CFF,#4C86FF);color:#fff;font-size:12.5px;font-weight:700;
}
.uc-info{display:flex;flex-direction:column;line-height:1.2;text-align:left}
.uc-info b{font-size:12.5px;color:var(--text);font-weight:600}
.uc-info i{font-size:10.5px;color:var(--text-3);font-style:normal;font-family:var(--mono)}
.uc-btn .ico{width:13px;height:13px;color:var(--text-3)}
.uc-guest,.uc-login{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;
  padding:6px 11px;border-radius:99px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);text-decoration:none;
}
.uc-login{color:var(--brand-600);border-color:#C9DAFF;background:var(--brand-50)}
.uc-login:hover{background:#E2EBFF}

.uc-menu{
  position:absolute;right:0;top:calc(100% + 8px);width:236px;z-index:60;
  background:var(--surface);border:1px solid var(--line);border-radius:13px;
  box-shadow:var(--sh-3);padding:6px;display:none;
}
.uc-menu.open{display:block;animation:pageIn .14s}
.uc-mh{padding:9px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:5px}
.uc-mh b{display:block;font-size:13px}
.uc-mh span{display:block;font-size:11px;color:var(--text-3);margin-top:2px}
.uc-mi{
  display:flex;align-items:center;gap:9px;width:100%;padding:8px 10px;
  border:0;background:none;border-radius:8px;cursor:pointer;text-align:left;
  font-size:12.5px;color:var(--text-2);font-family:inherit;
}
.uc-mi:hover{background:var(--surface-3);color:var(--text)}
.uc-mi .ico{width:14px;height:14px;color:var(--text-3)}
.uc-mi.danger:hover{background:var(--danger-50);color:#B42318}
.uc-mi em{
  margin-left:auto;font-style:normal;font-size:10px;padding:1px 6px;border-radius:99px;
  background:var(--amber-50);color:#A45B00;border:1px solid #F7DDBA;
}
.uc-sep{height:1px;background:var(--line);margin:5px 4px}

/* ============================================================
   我的场次
   ============================================================ */
.sec-head{display:flex;align-items:flex-end;gap:14px;margin:26px 0 13px}
.sec-head h3{font-size:15.5px;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.sec-head p{font-size:12px;color:var(--text-3);margin-top:4px}
.sec-head .btn{margin-left:auto}
.sh-count{
  font-family:var(--mono);font-size:11px;font-weight:600;padding:1px 7px;border-radius:99px;
  background:var(--brand-50);color:var(--brand-600);border:1px solid #D5E2FF;
}

.mysess-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(292px,1fr));gap:13px}
.mysess{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:15px 16px 13px;position:relative;overflow:hidden;
  transition:.16s;display:flex;flex-direction:column;gap:8px;
}
.mysess:hover{border-color:var(--line-2);box-shadow:var(--sh-2);transform:translateY(-1px)}
.mysess::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);opacity:.55;
}
.mysess.train::before{background:var(--violet);opacity:.5}
.mysess.live::before{background:var(--mint);opacity:1;box-shadow:0 0 14px rgba(0,181,137,.6)}
.ms-top{display:flex;align-items:center;gap:8px}
.ms-kind{
  display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;
  color:var(--brand-600);background:var(--brand-50);padding:2px 8px;border-radius:6px;
}
.ms-kind .ico{width:12px;height:12px}
.mysess.train .ms-kind{color:#5B45C7;background:var(--violet-50)}
.ms-top .badge{margin-left:auto}
.ms-name{font-size:14px;font-weight:650;letter-spacing:-.01em;line-height:1.35}
.ms-meta{font-size:11.5px;color:var(--text-3)}
.ms-time{
  display:flex;align-items:center;gap:5px;font-size:11px;color:var(--text-3);
  font-family:var(--mono);
}
.ms-time .ico{width:12px;height:12px;flex:none}
.ms-foot{
  display:flex;align-items:center;gap:10px;margin-top:5px;padding-top:11px;
  border-top:1px dashed var(--line);
}
.ms-score{font-size:11.5px;color:var(--text-3)}
.ms-score b{font-family:var(--mono);font-size:13px}
.ms-score b.ok{color:var(--mint-600)}
.ms-score b.bad{color:var(--danger)}
.ms-foot .btn{margin-left:auto}

/* 空态 / 未登录 */
.guest-panel,.empty-panel{
  display:flex;align-items:center;gap:16px;padding:22px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-panel{flex-direction:column;text-align:center;gap:8px;padding:38px 24px}
.gp-ico,.ep-ico{
  width:44px;height:44px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);
}
.gp-ico .ico{width:20px;height:20px}
.ep-ico{width:52px;height:52px;background:var(--surface-3);color:var(--text-3)}
.ep-ico .ico{width:24px;height:24px}
.guest-panel b,.empty-panel b{font-size:13.5px;display:block}
.guest-panel p,.empty-panel p{font-size:12px;color:var(--text-3);margin-top:3px;line-height:1.7}
.guest-panel .btn{margin-left:auto;flex:none}
.guest-panel a:not(.btn),.empty-panel a{color:var(--brand-600)}

/* 考生身份条 */
.id-bar{
  display:flex;align-items:center;gap:12px;padding:11px 14px;margin-bottom:18px;
  border-radius:12px;background:var(--brand-50);border:1px solid #D5E2FF;
}
.id-av{
  width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,#1B5CFF,#4C86FF);color:#fff;font-weight:700;font-size:13px;
}
.id-info{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.id-info b{font-size:13px}
.id-info span{font-size:11.5px;color:var(--text-2)}
.id-bar .badge{margin-left:auto}

@media (max-width:640px){
  .uc-info{display:none}
  .uc-btn{padding:4px}
  .mysess-grid{grid-template-columns:1fr}
  .sec-head{flex-wrap:wrap}
  .sec-head .btn{margin-left:0}
  .guest-panel{flex-wrap:wrap}
  .guest-panel .btn{margin-left:0;width:100%;justify-content:center}
}

/* ============================================================
   场次门控（登录后必须先选场次）
   ============================================================ */

/* 顶栏当前场次 */
.sess-chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 10px;
  border:1px solid var(--line);background:var(--surface);border-radius:99px;
  font-family:inherit;font-size:12px;color:var(--text-2);cursor:pointer;
  transition:.15s;max-width:330px;overflow:hidden;
}
.sess-chip:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.sess-chip .sc-name{
  max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-weight:600;color:var(--text);
}
.sess-chip .badge{font-size:9.5px;padding:1px 6px;flex:none}
.sess-chip.none{color:var(--text-3);border-style:dashed;border-color:var(--line-2)}
.sess-chip.none:hover{color:var(--brand-600);border-color:#BFD3FF;background:var(--brand-50)}
.sess-chip.exam{border-color:#C9DAFF;background:var(--brand-50)}
.sess-chip.train{border-color:#DDD6FB;background:var(--violet-50)}
.sess-chip.live{box-shadow:0 0 0 3px rgba(0,181,137,.13)}
.sess-chip svg:last-child{color:var(--text-3);flex:none}

/* 页头场次标签 */
.sess-tag{
  display:flex;align-items:center;gap:10px;padding:7px 10px 7px 8px;
  border:1px solid var(--line);background:var(--surface);border-radius:13px;
  max-width:440px;box-shadow:var(--sh-1);
}
.sess-tag .st-ico{
  width:30px;height:30px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);
}
.sess-tag.train .st-ico{background:var(--violet-50);color:#5B45C7}
.sess-tag .st-body{min-width:0;line-height:1.35}
.sess-tag .st-body b{
  display:block;font-size:12.5px;max-width:190px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sess-tag .st-body span{display:block;font-size:11px;color:var(--text-3);margin-top:2px}
.sess-tag .badge{flex:none}
.sess-tag .btn{flex:none}

/* 未选场次引导 */
.gate{
  display:flex;flex-direction:column;gap:15px;padding:24px;
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
}
.gate-h{display:flex;gap:14px;align-items:flex-start}
.gate-ico{
  width:42px;height:42px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);
}
.gate-ico svg{width:20px;height:20px}
.gate > b{font-size:14.5px}
.gate b{display:inline}
.gate p{font-size:12.5px;color:var(--text-3);margin-top:6px;line-height:1.8}
.gate p b{color:var(--brand-600);font-weight:600}
.gate-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}

/* 场次选择卡 */
.sess-pick-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:11px}
.spk{
  display:flex;flex-direction:column;gap:6px;width:100%;padding:13px 14px;
  text-align:left;font-family:inherit;cursor:pointer;position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:13px;background:var(--surface);transition:.15s;
}
.spk:hover{border-color:#BFD3FF;box-shadow:var(--sh-2);transform:translateY(-1px)}
.spk.on{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,92,255,.11)}
.spk.off{opacity:.58;cursor:not-allowed;filter:grayscale(.35)}
.spk.off:hover{transform:none;box-shadow:none;border-color:var(--line)}
.spk-top{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.spk-kind{
  display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:6px;
  font-size:11px;font-weight:600;background:var(--brand-50);color:var(--brand-600);
}
.spk.train .spk-kind{background:var(--violet-50);color:#5B45C7}
.spk-cur{
  margin-left:auto;display:inline-flex;align-items:center;gap:4px;
  font-size:10.5px;font-weight:600;color:var(--brand-600);
}
.spk-name{font-size:13.5px;font-weight:650;letter-spacing:-.01em;line-height:1.4}
.spk-meta{font-size:11.5px;color:var(--text-3)}
.spk-foot{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;color:var(--text-3);
}
.spk-time{display:inline-flex;align-items:center;gap:4px}
.spk-time svg{flex:none}
.spk-n{padding:1px 6px;border-radius:5px;background:var(--surface-3);font-family:var(--mono)}
.spk-lock{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-3);margin-top:1px}
.spk-lock svg{flex:none}
.spk-tip{
  display:flex;align-items:flex-start;gap:6px;margin-top:14px;
  font-size:11.5px;color:var(--text-3);line-height:1.75;
}
.spk-tip svg{flex:none;margin-top:2px}

/* 工具栏锁定标识 */
.lock-chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:99px;
  font-size:11.5px;color:var(--text-2);background:var(--surface-3);border:1px solid var(--line);
}
.lock-chip svg{color:var(--amber);flex:none}
.lock-chip b{font-weight:600;color:var(--text)}

/* 当前场次的场次卡 */
.mysess.current{box-shadow:0 0 0 2px rgba(27,92,255,.18);border-color:#BFD3FF}
.mysess.current::before{background:var(--brand);opacity:1}

/* 工种卡：非当前场次工种置灰 */
.occ-card.locked{opacity:.74}
.occ-card.locked:hover{transform:none;box-shadow:none;border-color:var(--line)}

/* 账号信息弹窗 */
.acct-list{
  display:flex;flex-direction:column;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.acct-list .kv{background:var(--surface);border:0;padding:10px 14px;display:flex;gap:12px;align-items:baseline}
.acct-list .kv .k{width:132px;flex:none;color:var(--text-3);font-size:12px}
.acct-list .kv .v{font-size:12.5px;color:var(--text)}

@media (max-width:900px){
  .sess-chip .sc-name{max-width:96px}
  .sess-tag{max-width:none}
  .sess-tag .st-body b{max-width:130px}
}
@media (max-width:640px){
  .sess-chip{max-width:130px;height:30px;padding:0 8px;font-size:11.5px}
  .sess-chip .sc-name{max-width:58px}
  .sess-chip .badge{display:none}
  .sess-tag{width:100%;flex-wrap:wrap}
  .sess-tag .st-body b{max-width:150px}
  .sess-pick-list{grid-template-columns:1fr}
  .gate{padding:18px}
  .gate-h{flex-direction:column;gap:10px}
}

/* 移动端顶栏：面包屑让位给场次标识，避免挤压折行 */
@media (max-width:760px){
  .topbar{padding:0 12px;gap:8px}
  .topbar .crumb{display:none}
  .topbar-right{flex:1;min-width:0;gap:8px;justify-content:flex-end}
  .topbar-right .env{display:none}
  .sess-chip{flex:1;min-width:0;max-width:none;justify-content:center;overflow:hidden}
  .sess-chip .sc-name{max-width:none;flex:1;text-align:center}
  .sess-chip .badge{display:none}
  .sess-chip svg{flex:none}
}

/* 移动端场次标签与锁定提示：允许换行，避免竖排折字 */
@media (max-width:640px){
  .sess-tag{flex-wrap:wrap;gap:9px;padding:10px}
  .sess-tag .st-body{flex:1 1 120px;min-width:0}
  .sess-tag .st-body b{max-width:none;white-space:normal}
  .sess-tag #sessSwitch{width:100%;justify-content:center}
  .lock-chip{flex-wrap:wrap;white-space:normal;line-height:1.65;border-radius:11px;padding:8px 11px}
  .toolbar .lock-chip{width:100%}
}

/* ============================================================
   授课模式（学员端 · 跟随老师）
   ============================================================ */
.lec-banner{
  display:flex;align-items:center;gap:14px;padding:14px 18px;margin-bottom:16px;
  background:linear-gradient(120deg,#F3EFFF,#EEF4FF);border:1px solid #D9CCFF;border-radius:14px;
}
.lec-banner .lb-ico{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;background:#5B3FD6;color:#fff}
.lec-banner .lb-ico svg{width:19px;height:19px}
.lec-banner .lb-body{flex:1;min-width:0}
.lec-banner .lb-body b{display:block;font-size:13.5px;color:#3E2B8F}
.lec-banner .lb-body span{display:block;font-size:12px;color:var(--text-2);margin-top:3px;line-height:1.6}
.lec-banner .btn{flex:none}
.lec-wait{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;flex:none;
  font-size:12px;font-weight:600;color:#5B3FD6;background:#F3EFFF;
  border:1px dashed #C9B8FF;border-radius:99px;padding:6px 13px;
}
.lec-wait svg{animation:lecPulse 1.6s ease-in-out infinite}
@keyframes lecPulse{0%,100%{opacity:.45}50%{opacity:1}}
.lec-reveal{
  display:flex;align-items:flex-start;gap:8px;margin-top:12px;
  font-size:12.5px;line-height:1.65;color:#3E2B8F;
  background:#F6F2FF;border:1px solid #DFD2FF;border-radius:10px;padding:10px 13px;
}
.lec-reveal svg{flex:none;margin-top:2px;color:#5B3FD6}
@media (max-width:640px){
  .lec-banner{flex-wrap:wrap}
  .lec-banner .btn{width:100%;justify-content:center}
  .lec-wait{margin-left:0}
  /* 授课模式底部提示：小屏换行，避免左侧文案被压成竖排单字 */
  .qfoot{flex-wrap:wrap;align-items:stretch}
  .qfoot .hint{flex:1 1 100%;margin:0 0 9px}
  .qfoot .lec-wait{width:100%;justify-content:center}
  .runner-top h2{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
  /* 小屏 toast 移到底部，避免遮住 runner 顶栏标题 */
  .toast-wrap{top:auto;bottom:26px}
}