/* ==========================================================================
   CBAM 通关 — 样式表
   浅色、克制、以阅读为中心。无外部依赖，可离线打开。
   ========================================================================== */

:root{
  --ink:#111c2b;
  --ink-2:#2c3e55;
  --muted:#5d6f85;
  --muted-2:#8494a6;
  --line:#e3e9f0;
  --line-2:#cfd9e4;
  --bg:#f6f8fb;
  --card:#ffffff;
  --navy:#0b2b47;
  --navy-2:#123f63;
  --teal:#0f766e;
  --teal-soft:#e6f4f1;
  --teal-line:#b7e0d9;
  --amber:#b45309;
  --amber-soft:#fdf3e3;
  --amber-line:#f0d5a8;
  --red:#b42318;
  --red-soft:#fdefec;
  --red-line:#f3c9c2;
  --blue:#1d4ed8;
  --blue-soft:#eef3ff;
  --blue-line:#c9d8fb;
  --violet:#6d28d9;
  --violet-soft:#f3eeff;
  --shadow-sm:0 1px 2px rgba(16,32,52,.05), 0 1px 3px rgba(16,32,52,.04);
  --shadow-md:0 4px 16px rgba(16,32,52,.07), 0 1px 3px rgba(16,32,52,.05);
  --shadow-lg:0 18px 50px rgba(11,43,71,.14);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --maxw:1180px;
  --font:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font); font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg{max-width:100%}
a{color:var(--navy-2); text-decoration:none}
a:hover{text-decoration:underline; text-underline-offset:3px}
button{font-family:inherit; cursor:pointer}
h1,h2,h3,h4{line-height:1.3; margin:0; letter-spacing:-.01em; color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em; padding-left:1.35em}
li{margin:.35em 0}
code{font-family:var(--mono); font-size:.9em; background:#eef2f7; padding:.12em .38em; border-radius:5px}
.skip{position:absolute; left:-9999px}
.skip:focus{left:12px; top:12px; background:#fff; padding:10px 14px; border-radius:8px; z-index:99}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 22px;
  height:64px; display:flex; align-items:center; gap:26px;
}
.brand{display:flex; align-items:center; gap:10px; color:var(--ink); text-decoration:none; flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{display:flex}
.brand-text{display:flex; flex-direction:column; line-height:1.1}
.brand-text strong{font-size:16.5px; letter-spacing:.02em}
.brand-text small{font-size:10.5px; color:var(--muted-2); letter-spacing:.08em; text-transform:uppercase; margin-top:3px}
.nav{display:flex; gap:4px; margin-left:8px; flex:1}
.nav a{
  padding:8px 12px; border-radius:8px; font-size:14.5px; color:var(--ink-2);
  font-weight:500; transition:background .15s,color .15s;
}
.nav a:hover{background:#f0f4f8; text-decoration:none}
.nav a.active{color:var(--navy); background:#eaf1f7; font-weight:600}
.topbar-actions{display:flex; align-items:center; gap:8px; margin-left:auto}
.icon-btn{
  width:36px; height:36px; border-radius:9px; border:1px solid transparent;
  background:transparent; color:var(--ink-2); display:grid; place-items:center;
  transition:background .15s;
}
.icon-btn:hover{background:#eef2f7}
.menu-btn{display:none}
.progress-pill{
  display:flex; align-items:center; gap:7px; padding:4px 11px 4px 5px;
  border:1px solid var(--line); border-radius:999px; background:#fff;
  font-size:12.5px; font-weight:600; color:var(--teal); text-decoration:none;
}
.progress-pill:hover{text-decoration:none; border-color:var(--teal-line)}

/* ---------- 页面骨架 ---------- */
.page{max-width:var(--maxw); margin:0 auto; padding:0 22px 72px; min-height:60vh}
.section{padding:46px 0}
.section-tight{padding:26px 0}
.eyebrow{
  font-size:11.5px; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--teal); margin-bottom:12px; display:flex; align-items:center; gap:8px;
}
.eyebrow::before{content:""; width:18px; height:2px; background:var(--teal); border-radius:2px}
h1.page-title{font-size:clamp(28px,3.6vw,40px); font-weight:700; letter-spacing:-.02em}
h2.section-title{font-size:clamp(21px,2.4vw,26px); font-weight:700}
.lede{font-size:17px; color:var(--ink-2); max-width:70ch; margin-top:14px}
.sub{color:var(--muted); font-size:14px}

/* ---------- 首页 Hero ---------- */
.hero{padding:54px 0 10px; position:relative}
.hero-grid{display:grid; grid-template-columns:1.28fr .96fr; gap:44px; align-items:center}
.hero h1{font-size:clamp(32px,4.4vw,50px); line-height:1.18; letter-spacing:-.03em; margin:14px 0 18px}
.hero h1 em{font-style:normal; color:var(--teal); position:relative; white-space:nowrap}
.hero h1 em::after{
  content:""; position:absolute; left:-2px; right:-2px; bottom:2px; height:.16em;
  background:rgba(15,118,110,.16); border-radius:3px; z-index:-1;
}
.hero .lede{font-size:18px; line-height:1.7}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:26px}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:11px 20px;
  border-radius:10px; font-size:15px; font-weight:600; border:1px solid transparent;
  transition:transform .12s, box-shadow .15s, background .15s;
}
.btn:hover{text-decoration:none; transform:translateY(-1px)}
.btn-primary{background:var(--navy); color:#fff; box-shadow:0 6px 18px rgba(11,43,71,.18)}
.btn-primary:hover{background:#123a5e}
.btn-ghost{background:#fff; color:var(--ink); border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--navy); background:#fff}
.btn-sm{padding:7px 13px; font-size:13px; border-radius:8px}

.hero-panel{
  background:linear-gradient(160deg,#0b2b47,#12456b 62%,#0f5f63);
  border-radius:var(--r-lg); padding:26px 26px 22px; color:#eaf2f8;
  box-shadow:var(--shadow-lg); position:relative; overflow:hidden;
}
.hero-panel::after{
  content:""; position:absolute; right:-60px; top:-60px; width:190px; height:190px;
  border-radius:50%; background:rgba(94,234,212,.14);
}
.hero-panel h3{color:#fff; font-size:14px; letter-spacing:.06em; text-transform:uppercase; font-weight:600; margin-bottom:16px}
.hero-stats{display:grid; grid-template-columns:1fr 1fr; gap:15px 14px}
.hero-stat{min-width:0}
.hero-stat b{display:block; font-size:24px; font-weight:700; color:#fff; letter-spacing:-.02em; line-height:1.15}
.hero-stat span{font-size:11.2px; color:#a9c3d6; line-height:1.55; display:block; margin-top:3px; word-break:keep-all; overflow-wrap:normal}
.hero-panel .foot{margin-top:18px; padding-top:14px; border-top:1px solid rgba(255,255,255,.14); font-size:11.5px; color:#a9c3d6}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:18px}
.scene-card{
  display:flex; gap:16px; padding:22px; background:var(--card); border:1px solid var(--line);
  border-radius:var(--r-md); box-shadow:var(--shadow-sm); color:var(--ink);
  transition:box-shadow .18s, transform .18s, border-color .18s; position:relative;
}
.scene-card:hover{text-decoration:none; transform:translateY(-2px); box-shadow:var(--shadow-md); border-color:var(--line-2)}
.scene-ico{
  width:44px; height:44px; border-radius:11px; flex-shrink:0; display:grid; place-items:center;
  background:var(--teal-soft); color:var(--teal);
}
.scene-card[data-tone="amber"] .scene-ico{background:var(--amber-soft); color:var(--amber)}
.scene-card[data-tone="blue"] .scene-ico{background:var(--blue-soft); color:var(--blue)}
.scene-card[data-tone="red"] .scene-ico{background:var(--red-soft); color:var(--red)}
.scene-card h3{font-size:16.5px; font-weight:650; margin-bottom:7px; line-height:1.45}
.scene-card p{font-size:13.8px; color:var(--muted); margin:0; line-height:1.65}
.scene-meta{margin-top:11px; display:flex; gap:8px; flex-wrap:wrap}
.chip{
  font-size:11.5px; padding:3px 9px; border-radius:999px; background:#f1f5f9;
  color:var(--ink-2); font-weight:500; border:1px solid transparent;
}
.chip-teal{background:var(--teal-soft); color:var(--teal); border-color:var(--teal-line)}
.chip-amber{background:var(--amber-soft); color:var(--amber); border-color:var(--amber-line)}
.chip-blue{background:var(--blue-soft); color:var(--blue); border-color:var(--blue-line)}
.chip-red{background:var(--red-soft); color:var(--red); border-color:var(--red-line)}
.chip-violet{background:var(--violet-soft); color:var(--violet); border-color:#ddd0fb}
/* 模块筛选按钮里的题数角标 */
.chip i{
  font-style:normal; font-size:10.5px; font-weight:700; opacity:.55; margin-left:3px;
}

/* ---------- 路径条 ---------- */
.pathline{display:flex; align-items:stretch; gap:0; flex-wrap:wrap; margin-top:8px}
.pathstep{
  flex:1 1 190px; padding:18px 18px 16px; background:#fff; border:1px solid var(--line);
  position:relative; margin-right:14px; border-radius:var(--r-md);
}
.pathstep:last-child{margin-right:0}
/* 末项不该再画指向下一步的连接线 */
.pathstep:last-child::after{display:none}
.pathstep b{display:block; font-size:13.5px; margin-bottom:5px; color:var(--navy)}
.pathstep span{font-size:12.8px; color:var(--muted); line-height:1.55}
.pathstep::after{
  content:""; position:absolute; right:-14px; top:50%; width:14px; height:1px; background:var(--line-2);
}

/* ---------- 卡片 / 网格 ---------- */
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:18px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
/* 数量不固定的卡片网格（如按模块分组的自查统计），不用写死列数 */
.grid-fluid{display:grid; grid-template-columns:repeat(auto-fit,minmax(186px,1fr)); gap:14px}
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-md);
  padding:22px; box-shadow:var(--shadow-sm);
}
.card h3{font-size:16px; margin-bottom:8px}
.card p:last-child{margin-bottom:0}

/* 模块卡 */
.module-card{
  display:block; background:#fff; border:1px solid var(--line); border-radius:var(--r-md);
  padding:24px 24px 20px; box-shadow:var(--shadow-sm); color:var(--ink);
  transition:transform .18s, box-shadow .18s; position:relative; overflow:hidden;
}
.module-card:hover{text-decoration:none; transform:translateY(-2px); box-shadow:var(--shadow-md)}
.module-card .mnum{
  font-family:var(--mono); font-size:12px; color:var(--muted-2); letter-spacing:.08em;
}
.module-card h3{font-size:18.5px; margin:8px 0 8px; font-weight:650}
.module-card p{font-size:13.8px; color:var(--muted); margin:0 0 14px; min-height:44px}
.module-card .mbar{height:5px; background:#e6edf4; border-radius:3px; overflow:hidden}
.module-card .mbar i{display:block; height:100%; background:linear-gradient(90deg,var(--teal),#38b2a3); border-radius:3px; transition:width .4s}
.module-card .mfoot{display:flex; justify-content:space-between; margin-top:9px; font-size:11.5px; color:var(--muted-2)}
.module-card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:3px;
  background:linear-gradient(180deg,var(--teal),#8fd8cd); opacity:0; transition:opacity .2s;
}
.module-card:hover::before{opacity:1}

/* 单元列表 */
.unit-list{display:flex; flex-direction:column; gap:10px}
.unit-row{
  display:flex; align-items:center; gap:16px; padding:16px 18px; background:#fff;
  border:1px solid var(--line); border-radius:var(--r-sm); color:var(--ink);
  transition:border-color .15s, box-shadow .15s, background .15s;
}
.unit-row:hover{text-decoration:none; border-color:var(--line-2); box-shadow:var(--shadow-sm)}
.unit-row .uidx{
  width:30px; height:30px; border-radius:8px; background:#f1f5f9; color:var(--muted);
  display:grid; place-items:center; font-size:12px; font-weight:700; flex-shrink:0; font-family:var(--mono);
}
.unit-row.done .uidx{background:var(--teal); color:#fff}
.unit-row .umain{flex:1; min-width:0}
.unit-row .umain b{display:block; font-size:15px; font-weight:600; line-height:1.45}
.unit-row .umain span{font-size:12.5px; color:var(--muted-2)}
.unit-row .utag{font-size:11px; color:var(--muted); white-space:nowrap}

/* ---------- 单元页正文 ---------- */
.unit-wrap{display:grid; grid-template-columns:minmax(0,1fr) 280px; gap:44px; align-items:start}
.unit-main{min-width:0}
.breadcrumb{font-size:12.5px; color:var(--muted-2); padding:22px 0 0; display:flex; gap:7px; flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb span{color:var(--line-2)}
.unit-head{padding:18px 0 24px; border-bottom:1px solid var(--line); margin-bottom:26px}
.unit-head h1{font-size:clamp(25px,3vw,33px); letter-spacing:-.02em; margin:8px 0 12px}
.unit-head .meta{display:flex; gap:14px; flex-wrap:wrap; font-size:12.5px; color:var(--muted)}
.unit-head .meta span{display:flex; align-items:center; gap:5px}

.story{
  background:linear-gradient(180deg,#fbfcfe,#f5f9fb); border:1px solid var(--line);
  border-left:4px solid var(--navy-2); border-radius:0 var(--r-md) var(--r-md) 0;
  padding:22px 24px; margin:0 0 30px; position:relative;
}
.story .label{
  font-size:11px; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--navy-2); margin-bottom:9px; display:flex; align-items:center; gap:7px;
}
.story p{font-size:15.5px; line-height:1.8; color:var(--ink-2); margin:0 0 .8em}
.story p:last-child{margin-bottom:0}
.story .who{font-size:12.5px; color:var(--muted-2); margin-top:10px}

/* 本节路线：先说清“这几节为什么按这个顺序排”，避免小标题突兀 */
.road{
  margin:0 0 30px; padding:17px 20px 15px;
  background:#f7fbfc; border:1px solid var(--teal-line);
  border-left:3px solid var(--teal); border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.road-label{
  font-size:11px; font-weight:700; letter-spacing:.1em;
  color:var(--teal); margin-bottom:9px;
}
.road-lead{font-size:14.4px; color:var(--ink-2); line-height:1.78; margin:0}
.road-steps{margin:12px 0 0; padding:0; list-style:none; counter-reset:rs}
.road-steps li{
  counter-increment:rs; position:relative; padding-left:25px;
  font-size:13.6px; color:var(--ink-2); line-height:1.72; margin:6px 0;
}
.road-steps li::before{
  content:counter(rs); position:absolute; left:0; top:2px;
  width:16px; height:16px; border-radius:50%;
  background:var(--teal-soft); color:var(--teal);
  font-size:10px; font-weight:700;
  display:grid; place-items:center;
}
.road-steps li b{color:var(--ink); font-weight:650}
.road-tail{
  margin-top:11px; padding-top:10px; border-top:1px dashed var(--teal-line);
  font-size:13px; color:var(--muted-2); line-height:1.72;
}

.kp{margin:0 0 26px; padding:0 0 26px; border-bottom:1px dashed var(--line)}
.kp:last-of-type{border-bottom:0}
.kp-head{display:flex; gap:13px; align-items:flex-start; margin-bottom:11px}
.kp-num{
  width:27px; height:27px; border-radius:8px; background:var(--navy); color:#fff;
  display:grid; place-items:center; font-size:12.5px; font-weight:700; flex-shrink:0; margin-top:3px;
}
.kp h3{font-size:19px; font-weight:650; letter-spacing:-.01em}
.kp p{font-size:15.5px; color:var(--ink-2); line-height:1.8}
.eg{
  background:var(--amber-soft); border:1px solid var(--amber-line); border-radius:var(--r-sm);
  padding:14px 16px; margin:12px 0 4px; font-size:14.3px; color:#6b3c05; line-height:1.75;
}
.eg b{color:var(--amber); font-weight:700}

/* 打个比方：跨行业/生活的类比，和「举个栗子」的本行业算例区分开 */
.analogy{
  background:var(--blue-soft); border:1px solid var(--blue-line); border-radius:var(--r-sm);
  padding:14px 16px; margin:12px 0 4px; font-size:14.3px; color:#1e3a7b; line-height:1.78;
}
.analogy b{color:var(--blue); font-weight:700}

/* 读这一节之前：给零起点读者一个自我定位的台阶 */
.prereq{
  margin:0 0 26px; padding:15px 18px;
  background:#fbfcfd; border:1px dashed var(--line-2); border-radius:var(--r-sm);
}
.prereq-label{
  font-size:11px; font-weight:700; letter-spacing:.1em;
  color:var(--muted-2); margin-bottom:10px;
}
.prereq-list{margin:0; padding:0; list-style:none}
.prereq-list li{
  font-size:13.4px; color:var(--ink-2); line-height:1.7; margin:5px 0; padding-left:14px; position:relative;
}
.prereq-list li::before{
  content:''; position:absolute; left:0; top:.62em;
  width:4px; height:4px; border-radius:50%; background:var(--line-3, #c9d6e2);
}
.prereq-list li b{color:var(--ink); font-weight:650}
.prereq-note{
  margin-top:10px; font-size:12.6px; color:var(--muted-2); line-height:1.65;
}
.prereq-note a{color:var(--teal); font-weight:600}

/* 收尾回顾：与「本节路线」同色系，一进一出形成闭环 */
.recap{
  margin:34px 0 0; padding:18px 20px 17px;
  background:var(--teal-soft); border:1px solid var(--teal-line); border-radius:var(--r-md);
}
.recap-label{
  font-size:11px; font-weight:700; letter-spacing:.1em;
  color:var(--teal); margin-bottom:12px;
}
.recap-list{margin:0; padding:0; list-style:none; counter-reset:rc}
.recap-list li{
  counter-increment:rc; position:relative; padding-left:26px;
  font-size:14.6px; color:#0d4f4a; line-height:1.75; margin:8px 0;
}
.recap-list li::before{
  content:counter(rc); position:absolute; left:0; top:.28em;
  width:17px; height:17px; border-radius:50%; background:#fff; border:1px solid var(--teal-line);
  color:var(--teal); font-size:10.5px; font-weight:700;
  display:grid; place-items:center;
}
.recap-list li b{color:#0a3d39; font-weight:700}
.recap-line{
  margin-top:13px; padding-top:12px; border-top:1px dashed var(--teal-line);
  font-size:14.2px; color:#0d4f4a; line-height:1.72;
}

/* 动手做一次：以训带学的落点 */
.drill{
  margin:20px 0 0; padding:18px 20px;
  background:var(--violet-soft); border:1px solid #ddd0fb; border-radius:var(--r-md);
}
.drill-head{display:flex; align-items:center; gap:10px; margin-bottom:11px; flex-wrap:wrap}
.drill-tag{
  font-size:11px; font-weight:700; letter-spacing:.1em;
  color:#fff; background:var(--violet); padding:3px 9px; border-radius:99px;
}
.drill-time{font-size:12px; color:#6b5a92}
.drill-task{font-size:14.8px; color:#3f2d70; line-height:1.78; font-weight:600}
.drill-how{margin:12px 0 0; padding-left:0; list-style:none; counter-reset:dr}
.drill-how li{
  counter-increment:dr; position:relative; padding-left:26px;
  font-size:14.1px; color:#4a3975; line-height:1.74; margin:7px 0;
}
.drill-how li::before{
  content:counter(dr); position:absolute; left:0; top:.26em;
  width:17px; height:17px; border-radius:5px; background:#fff; border:1px solid #ddd0fb;
  color:var(--violet); font-size:10.5px; font-weight:700;
  display:grid; place-items:center;
}
.drill-how li b{color:#33235e; font-weight:700}
.drill-ok{
  margin-top:13px; padding:11px 14px; background:#fff; border-radius:var(--r-sm);
  border:1px solid #ddd0fb; font-size:13.6px; color:#3f2d70; line-height:1.72;
}
.drill-ok b{display:block; font-size:11px; letter-spacing:.08em; color:var(--violet); margin-bottom:5px}
.drill-tip{
  margin-top:10px; font-size:12.8px; color:#6b5a92; line-height:1.68;
}
.warn{
  background:var(--red-soft); border:1px solid var(--red-line); border-radius:var(--r-sm);
  padding:13px 16px; margin:12px 0; font-size:14.2px; color:#7c1d15; line-height:1.7;
}
.warn b{color:var(--red)}
.note{
  background:var(--blue-soft); border:1px solid var(--blue-line); border-radius:var(--r-sm);
  padding:13px 16px; margin:12px 0; font-size:14.2px; color:#1e3a8a; line-height:1.7;
}
.note b{color:var(--blue)}

/* 数据表 */
.table-wrap{overflow-x:auto; margin:16px 0; border:1px solid var(--line); border-radius:var(--r-sm); background:#fff}
.table-tip{font-size:11.8px; color:var(--muted-2); text-align:right; margin:-8px 2px 14px; letter-spacing:.01em}
table{width:100%; border-collapse:collapse; font-size:13.8px; min-width:520px}
th,td{padding:10px 13px; text-align:left; border-bottom:1px solid var(--line); vertical-align:top}
th{background:#f4f7fa; font-weight:650; font-size:12.5px; color:var(--ink-2); letter-spacing:.01em; white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafcfe}
td.num,th.num{text-align:right; font-variant-numeric:tabular-nums; font-family:var(--mono); font-size:12.8px}

/* FAQ */
.faq{margin:18px 0 6px; border:1px solid var(--line); border-radius:var(--r-md); background:#fff; overflow:hidden}
.faq-head{
  display:flex; align-items:center; gap:9px; padding:13px 16px; background:#fbfcfe;
  border-bottom:1px solid var(--line); font-size:12.5px; font-weight:700; color:var(--ink-2);
  letter-spacing:.02em;
}
.faq-head .cnt{margin-left:auto; font-weight:500; color:var(--muted-2); font-size:11.5px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%; text-align:left; background:none; border:0; padding:14px 16px;
  display:flex; gap:10px; align-items:flex-start; font-size:14.6px; color:var(--ink);
  font-weight:550; line-height:1.6;
}
.faq-q:hover{background:#fafcfe}
.faq-q .arw{margin-left:auto; flex-shrink:0; transition:transform .2s; color:var(--muted-2); margin-top:2px}
.faq-item.open .faq-q .arw{transform:rotate(90deg)}
.faq-lv{
  font-size:10.5px; padding:2px 7px; border-radius:4px; font-weight:700; flex-shrink:0;
  margin-top:3px; letter-spacing:.02em; white-space:nowrap;
}
.lv-1{background:#e8f5f2; color:#0b6b5f}
.lv-2{background:#eef3ff; color:#2547a8}
.lv-3{background:#f4eeff; color:#5b21b6}
.faq-a{display:none; padding:0 16px 16px 16px; font-size:14.4px; color:var(--ink-2); line-height:1.8}
.faq-item.open .faq-a{display:block}
.faq-a p:last-child{margin-bottom:0}
.faq-a .src{font-size:11.8px; color:var(--muted-2); margin-top:9px; display:block}

/* 题库来源的题：题号小标签 + 跳到习题册的链接 */
.faq-bank-tag{
  flex-shrink:0; font-size:10.5px; font-weight:700; letter-spacing:.03em;
  color:var(--blue); background:var(--blue-soft); border:1px solid var(--blue-line);
  padding:1px 5px; border-radius:4px; margin-top:3px;
}
.faq-bank{
  display:inline-block; margin-top:10px; font-size:12.4px; font-weight:600;
  color:var(--blue); border-bottom:1px dotted var(--blue-line); padding-bottom:1px;
}
.faq-bank:hover{text-decoration:none; border-bottom-style:solid}
.faq-a .trap-inline{font-style:normal; font-weight:700; color:var(--red)}

/* 本单元练习：默认收起，避免单元页被题库拉得过长 */
.practice{
  margin:26px 0 0; border:1px solid var(--blue-line); border-radius:var(--r-md);
  background:#fbfcff; overflow:hidden;
}
.practice-head{
  display:flex; align-items:baseline; gap:10px; flex-wrap:wrap;
  padding:15px 18px 12px;
}
.practice-head .ptag{
  font-size:11px; font-weight:700; letter-spacing:.1em; color:#fff;
  background:var(--blue); padding:3px 9px; border-radius:99px; flex-shrink:0;
}
.practice-head b{font-size:15.2px; color:var(--ink); font-weight:650}
.practice-head .pmeta{font-size:12.2px; color:var(--muted-2)}
.practice-toggle{
  display:flex; align-items:center; gap:6px; margin:0 18px 14px;
  padding:8px 14px; border:1px solid var(--blue-line); background:#fff; color:var(--blue);
  font-size:13px; font-weight:600; border-radius:99px; transition:.15s;
}
.practice-toggle:hover{background:var(--blue-soft)}
.practice-toggle svg{transition:transform .2s}
.practice.open .practice-toggle svg{transform:rotate(180deg)}
.practice-body{display:none; padding:0 18px 4px}
.practice.open .practice-body{display:block}
.practice-body .faq{margin-top:0}
.practice-foot{
  padding:12px 2px 16px; font-size:12.4px; color:var(--muted-2);
}
.practice-foot a{color:var(--blue); font-weight:600}

/* 从单元页跳进习题册时，高亮一下落点那道题 */
.qcard.qfocus{box-shadow:0 0 0 3px var(--blue-line), var(--shadow-md); border-color:var(--blue-line)}

/* 小测 */
.quiz{margin:12px 0 0; padding:14px 15px; background:#f7fafc; border:1px dashed var(--line-2); border-radius:var(--r-sm)}
.quiz .qt{font-size:13.5px; font-weight:650; margin-bottom:9px; color:var(--ink)}
.quiz .qopts{display:flex; flex-direction:column; gap:6px}
.quiz .qopt{
  text-align:left; padding:8px 11px; border:1px solid var(--line); background:#fff;
  border-radius:7px; font-size:13.2px; color:var(--ink-2); transition:.15s;
}
.quiz .qopt:hover{border-color:var(--line-2); background:#fdfefe}
.quiz .qopt.right{border-color:var(--teal); background:var(--teal-soft); color:#0b5f56; font-weight:600}
.quiz .qopt.wrong{border-color:var(--red-line); background:var(--red-soft); color:#8a2318}
.quiz .qfb{font-size:12.8px; margin-top:9px; color:var(--muted); display:none}
.quiz .qfb.show{display:block}

/* 深入阅读 */
.deep{
  margin:30px 0 0; padding:20px 22px; background:#fff; border:1px solid var(--line);
  border-radius:var(--r-md); border-top:3px solid var(--navy);
}
.deep h3{font-size:14px; text-transform:uppercase; letter-spacing:.1em; color:var(--navy); margin-bottom:12px}
.deep ul{margin:0; padding:0; list-style:none}
.deep li{padding:9px 0; border-bottom:1px dashed var(--line); font-size:14px}
.deep li:last-child{border-bottom:0}
.deep li a{font-weight:600}
.deep li span{display:block; font-size:12.4px; color:var(--muted); margin-top:2px}
.ext::after{content:" ↗"; font-size:11px; color:var(--muted-2)}

/* 侧栏 */
.side{position:sticky; top:84px; display:flex; flex-direction:column; gap:14px}
.side-card{background:#fff; border:1px solid var(--line); border-radius:var(--r-md); padding:16px 17px}
.side-card h4{font-size:11.5px; text-transform:uppercase; letter-spacing:.1em; color:var(--muted-2); margin-bottom:10px}
.side-card ul{margin:0; padding:0; list-style:none; font-size:13.2px}
.side-card li{padding:6px 0; border-bottom:1px dashed var(--line); color:var(--ink-2); line-height:1.55}
.side-card li:last-child{border-bottom:0}
.side-card li a{color:var(--ink-2)}
.side-card .fact{font-size:13px; color:var(--muted); line-height:1.7}
.side-card .fact b{color:var(--ink); font-weight:650}
/* 侧栏里用按钮模拟链接：要触发滚动而不是改 hash（改了会撞路由） */
.side-link{
  display:inline-block; margin-top:7px; padding:0; border:0; background:none;
  font-size:12.6px; font-weight:600; color:var(--navy-2); text-align:left;
}
.side-link:hover{text-decoration:underline; text-underline-offset:3px}
.side-card.dark{background:linear-gradient(160deg,#0b2b47,#12456b); border:0; color:#dbe8f2}
.side-card.dark h4{color:#8fb0c7}
.side-card.dark .fact{color:#c2d5e3}
.side-card.dark .fact b{color:#fff}
.side-card.dark .term{color:#8fe3d6; border-bottom-color:rgba(143,227,214,.45)}
.side-card.dark .term:hover{color:#b8f2e9}
.side-progress{height:6px; background:#e6edf4; border-radius:4px; overflow:hidden; margin:8px 0 6px}
.side-progress i{display:block; height:100%; background:var(--teal); border-radius:4px}

/* 上一课/下一课 */
.pager{display:flex; gap:12px; margin-top:34px; padding-top:24px; border-top:1px solid var(--line)}
.pager a{
  flex:1; padding:14px 16px; border:1px solid var(--line); border-radius:var(--r-sm);
  background:#fff; color:var(--ink);
}
.pager a:hover{text-decoration:none; border-color:var(--line-2); box-shadow:var(--shadow-sm)}
.pager a small{display:block; font-size:11px; color:var(--muted-2); letter-spacing:.06em; margin-bottom:3px}
.pager a b{font-size:14px; font-weight:600}
.pager .next{text-align:right}

/* 完成按钮 */
.done-bar{
  display:flex; align-items:center; gap:14px; margin-top:26px; padding:16px 18px;
  background:#fff; border:1px solid var(--line); border-radius:var(--r-md);
}
.done-bar .txt{font-size:13.5px; color:var(--muted); flex:1}
.done-bar .txt b{color:var(--ink)}
.btn-done{background:var(--teal); color:#fff; border:0; padding:10px 18px; border-radius:9px; font-weight:600; font-size:14px}
.btn-done[disabled]{background:#cfe6e2; color:#0b5f56; cursor:default}
.btn-done:hover:not([disabled]){background:#0b655e}

/* ---------- 工具 ---------- */
.tool{background:#fff; border:1px solid var(--line); border-radius:var(--r-md); padding:24px; box-shadow:var(--shadow-sm); margin-bottom:20px}
.tool h3{font-size:17px; margin-bottom:6px}
.tool > .sub{margin-bottom:18px}
.field-row{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin-bottom:16px}
.field label{display:block; font-size:12.5px; font-weight:600; color:var(--ink-2); margin-bottom:5px}
.field select,.field input{
  width:100%; padding:9px 11px; border:1px solid var(--line-2); border-radius:8px;
  font-size:14px; font-family:inherit; background:#fff; color:var(--ink);
}
.field select:focus,.field input:focus{outline:2px solid rgba(15,118,110,.25); border-color:var(--teal)}
.field .hint{font-size:11.5px; color:var(--muted-2); margin-top:4px}
.result{
  background:linear-gradient(160deg,#0b2b47,#12456b); color:#eaf2f8; border-radius:var(--r-md);
  padding:20px 22px; display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:18px;
}
.result .r b{display:block; font-size:24px; font-weight:700; color:#fff; font-variant-numeric:tabular-nums; line-height:1.25}
.result .r span{font-size:11.5px; color:#a9c3d6; display:block; margin-top:2px}
.result-note{font-size:12px; color:var(--muted); margin-top:12px; line-height:1.65}

/* MP 表单 */
.mp-form{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:8px}
.mp-item{border:1px solid var(--line); border-radius:var(--r-sm); padding:13px 14px; background:#fbfcfe}
.mp-item label{font-size:13px; font-weight:600; display:block; margin-bottom:6px; color:var(--ink-2)}
.mp-item select,.mp-item input{width:100%; padding:8px 10px; border:1px solid var(--line-2); border-radius:7px; font-size:13.5px; font-family:inherit; background:#fff}
.mp-hint{font-size:12.2px; margin-top:7px; line-height:1.6; display:none; border-radius:6px; padding:7px 9px}
.mp-hint.ok{display:block; background:var(--teal-soft); color:#0b5f56}
.mp-hint.bad{display:block; background:var(--red-soft); color:#8a2318}
.mp-hint.tip{display:block; background:var(--amber-soft); color:#7a4a08}
.mp-score{margin-top:16px; padding:14px 16px; border-radius:var(--r-sm); background:#f4f7fa; font-size:13.5px; color:var(--ink-2)}
.mp-score b{color:var(--ink)}

/* 清单 */
.check-group{margin-bottom:22px}
.check-group h3{font-size:15.5px; margin-bottom:4px}
.check-group .gsub{font-size:12.5px; color:var(--muted); margin-bottom:10px}
.check-item{display:flex; gap:11px; align-items:flex-start; padding:10px 12px; border:1px solid var(--line); border-radius:8px; background:#fff; margin-bottom:7px}
.check-item input{margin-top:4px; width:16px; height:16px; accent-color:var(--teal); flex-shrink:0}
.check-item label{font-size:13.8px; line-height:1.65; color:var(--ink-2); cursor:pointer}
.check-item.checked{background:var(--teal-soft); border-color:var(--teal-line)}
.check-item.checked label{color:#0b5f56}

/* 报告 */
.report-hero{background:#fff; border:1px solid var(--line); border-radius:var(--r-md); padding:28px; display:grid; grid-template-columns:250px 1fr; gap:34px; align-items:center}
.radar-box{display:flex; flex-direction:column; align-items:center; gap:2px}
.radar-legend{display:grid; grid-template-columns:1fr 1fr; gap:5px 14px; width:100%; margin-top:2px}
.radar-legend div{display:flex; justify-content:space-between; align-items:baseline; font-size:11px; color:var(--muted); border-bottom:1px dashed var(--line); padding-bottom:3px}
.radar-legend b{color:var(--teal); font-size:11.5px; font-variant-numeric:tabular-nums}
.score-big{font-size:46px; font-weight:700; color:var(--navy); line-height:1; letter-spacing:-.03em}
.score-big small{font-size:15px; color:var(--muted-2); font-weight:500}

/* 时间轴 */
.timeline{position:relative; margin:18px 0 6px; padding-left:26px}
.timeline::before{content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:var(--line-2)}
.tl-item{position:relative; padding:0 0 20px 0}
.tl-item::before{
  content:""; position:absolute; left:-24px; top:6px; width:11px; height:11px; border-radius:50%;
  background:#fff; border:2.5px solid var(--teal);
}
.tl-item.now::before{background:var(--teal)}
.tl-item h4{font-size:14.6px; margin-bottom:3px}
.tl-item .when{font-size:11.8px; color:var(--teal); font-weight:700; letter-spacing:.04em; margin-bottom:4px}
.tl-item p{font-size:13.6px; color:var(--muted); margin:0; line-height:1.65}

/* 流程 */
.flow{display:flex; gap:10px; flex-wrap:wrap; margin:16px 0}
.flow-node{
  flex:1 1 130px; background:#fff; border:1px solid var(--line); border-radius:9px;
  padding:12px 13px; font-size:13px; position:relative; color:var(--ink-2);
}
.flow-node b{display:block; font-size:12.5px; color:var(--navy); margin-bottom:3px}
.flow-node::after{
  content:"→"; position:absolute; right:-11px; top:50%; transform:translateY(-50%);
  color:var(--line-2); font-size:14px;
}
.flow-node:last-child::after{display:none}

/* 对比 */
.vs{display:grid; grid-template-columns:1fr 1fr; gap:0; border:1px solid var(--line); border-radius:var(--r-md); overflow:hidden; background:#fff; margin:16px 0}
.vs > div{padding:20px 22px}
.vs > div:first-child{border-right:1px solid var(--line); background:#fcfdfe}
.vs h4{font-size:15px; margin-bottom:4px}
.vs .tag{font-size:11px; color:var(--muted-2); letter-spacing:.06em; text-transform:uppercase; margin-bottom:9px; display:block}
.vs ul{margin:0; padding-left:1.15em; font-size:13.8px; color:var(--ink-2)}
.vs li{margin:.3em 0}

/* 案例卡 */
.case-card{
  display:grid; grid-template-columns:1fr 190px; gap:22px; padding:24px; background:#fff;
  border:1px solid var(--line); border-radius:var(--r-md); box-shadow:var(--shadow-sm);
  margin-bottom:16px; color:var(--ink);
}
.case-card:hover{text-decoration:none; border-color:var(--line-2); box-shadow:var(--shadow-md)}
.case-card h3{font-size:18px; margin-bottom:7px}
.case-card p{font-size:13.8px; color:var(--muted); margin:0}
.case-side{border-left:1px solid var(--line); padding-left:20px; font-size:12.5px; color:var(--muted)}
.case-side b{display:block; color:var(--ink); font-size:13px; margin-bottom:8px}

/* 术语 */
.glossary-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(310px,1fr)); gap:12px}
.g-item{background:#fff; border:1px solid var(--line); border-radius:var(--r-sm); padding:15px 16px}
.g-item h4{font-size:14.6px; margin-bottom:2px; display:flex; gap:7px; align-items:baseline; flex-wrap:wrap}
.g-item h4 span{font-size:11px; color:var(--muted-2); font-weight:400; font-family:var(--mono)}
.g-item p{font-size:13.2px; color:var(--muted); margin:6px 0 0; line-height:1.65}

/* 译词说明 */
.trans-note{
  margin-top:22px; max-width:860px; background:#fff; border:1px solid var(--line);
  border-radius:var(--r-md); box-shadow:var(--shadow-sm); overflow:hidden;
}
.trans-note>summary{
  cursor:pointer; list-style:none; padding:14px 18px; font-size:13.6px; font-weight:600;
  color:var(--navy-2); display:flex; align-items:baseline; gap:8px; flex-wrap:wrap;
}
.trans-note>summary::-webkit-details-marker{display:none}
.trans-note>summary::before{content:"▸"; color:var(--teal); font-size:12px; transition:transform .15s ease}
.trans-note[open]>summary::before{transform:rotate(90deg)}
.trans-note>summary span{font-weight:400; font-size:12.2px; color:var(--muted-2)}
.trans-note>summary:hover{background:#f7fafc}
.tn-body{padding:2px 18px 16px; border-top:1px solid var(--line)}
.tn-row{padding:12px 0; border-bottom:1px dashed var(--line)}
.tn-row:last-child{border-bottom:0; padding-bottom:2px}
.tn-row b{font-size:13.4px; color:var(--ink)}
.tn-row em{font-style:normal; font-family:var(--mono); font-size:11.4px; color:var(--muted-2); margin-left:7px}
.tn-row p{font-size:12.9px; color:var(--muted); line-height:1.72; margin:5px 0 0}
.term{
  border-bottom:1px dashed #9db3c6; cursor:help; color:var(--navy-2);
  text-underline-offset:2px;
}
.term-pop{
  position:fixed; z-index:90; max-width:320px; background:#0b2b47; color:#eaf2f8;
  padding:13px 15px; border-radius:10px; font-size:13px; line-height:1.65;
  box-shadow:0 12px 34px rgba(11,43,71,.3); pointer-events:none;
}
.term-pop b{color:#5eead4; display:block; font-size:13.5px; margin-bottom:3px}
.term-pop .en{color:#9fbdd1; font-size:11.5px; display:block; margin-bottom:5px}

/* 搜索 */
.overlay{
  position:fixed; inset:0; z-index:100; background:rgba(11,30,48,.42);
  backdrop-filter:blur(3px); display:flex; justify-content:center; padding-top:9vh;
}
.overlay[hidden]{display:none}
.search-panel{
  width:min(660px,94vw); max-height:74vh; background:#fff; border-radius:14px;
  box-shadow:0 30px 80px rgba(11,30,48,.3); display:flex; flex-direction:column; overflow:hidden;
}
.search-head{display:flex; align-items:center; gap:11px; padding:15px 17px; border-bottom:1px solid var(--line); color:var(--muted)}
.search-head input{flex:1; border:0; font-size:16px; font-family:inherit; outline:none; color:var(--ink); background:transparent}
.kbd-btn{border:1px solid var(--line); background:#f6f8fb; border-radius:6px; padding:3px 7px; font-size:11px; color:var(--muted)}
.search-body{overflow-y:auto; padding:9px}
.sr-item{display:block; padding:11px 12px; border-radius:8px; color:var(--ink)}
.sr-item:hover{background:#f4f8fb; text-decoration:none}
.sr-item b{font-size:14px; display:block; margin-bottom:2px}
.sr-item span{font-size:12.4px; color:var(--muted); display:block; line-height:1.55}
.sr-type{font-size:10.5px; color:var(--teal); font-weight:700; letter-spacing:.06em; text-transform:uppercase}
.sr-empty{padding:26px 16px; text-align:center; color:var(--muted); font-size:13.5px}

/* 来源页 */
.src-list{list-style:none; padding:0; margin:0}
.src-list li{padding:16px 0; border-bottom:1px solid var(--line); display:grid; grid-template-columns:1fr auto; gap:16px; align-items:start}
.src-list li:last-child{border-bottom:0}
.src-list b{font-size:14.5px; display:block; margin-bottom:3px}
.src-list .meta{font-size:12.3px; color:var(--muted); line-height:1.6}
.src-list a{font-size:12.5px; white-space:nowrap}

/* 更新条 */
.update-bar{
  display:flex; gap:12px; align-items:flex-start; padding:14px 17px; background:#fff;
  border:1px solid var(--line); border-left:3px solid var(--amber); border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:13px; color:var(--ink-2); margin:26px 0 0; line-height:1.7;
}
.update-bar b{color:var(--amber)}

/* 免责 */
.disclaim{font-size:12.2px; color:var(--muted-2); line-height:1.7; margin-top:18px}

/* 页脚 */
.footer{background:#0b2237; color:#b9cbda; margin-top:40px}
.footer-inner{
  max-width:var(--maxw); margin:0 auto; padding:44px 22px 26px;
  display:grid; grid-template-columns:repeat(3,1fr); gap:38px;
}
.footer-col strong{color:#fff; font-size:13.5px; display:block; margin-bottom:9px; letter-spacing:.02em}
.footer-col p{font-size:12.5px; line-height:1.75; margin:0; color:#93aec3}
.footer-base{
  max-width:var(--maxw); margin:0 auto; padding:16px 22px 26px; border-top:1px solid rgba(255,255,255,.1);
  font-size:12px; color:#7f9cb3; display:flex; gap:9px; flex-wrap:wrap; align-items:center;
}
.footer-base a{color:#a9c3d6}
.footer-base .dot{color:#4a6579}

/* 响应式 */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr; gap:30px}
  .hero-panel{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .unit-wrap{grid-template-columns:1fr; gap:26px}
  .side{position:static; display:grid; grid-template-columns:1fr 1fr; gap:12px}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav{
    display:none; position:absolute; left:0; right:0; top:64px; background:#fff;
    border-bottom:1px solid var(--line); padding:10px 14px; flex-direction:column; gap:2px;
    box-shadow:0 12px 28px rgba(11,43,71,.1);
  }
  .nav.open{display:flex}
  .nav a{padding:11px 12px}
  .menu-btn{display:grid}
  .hero{padding:34px 0 4px}
  .scene-grid{grid-template-columns:1fr}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .mp-form{grid-template-columns:1fr}
  .report-hero{grid-template-columns:1fr; text-align:center}
  .case-card{grid-template-columns:1fr}
  .case-side{border-left:0; border-top:1px solid var(--line); padding-left:0; padding-top:14px}
  .footer-inner{grid-template-columns:1fr; gap:24px}
  .pathstep{margin-right:0; margin-bottom:10px}
  .pathstep::after{display:none}
  .section{padding:32px 0}
}
@media (max-width:560px){
  .topbar-inner{padding:0 15px; gap:12px}
  .page{padding:0 15px 56px}
  .grid-4{grid-template-columns:1fr}
  .side{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr; gap:13px}
  .vs{grid-template-columns:1fr}
  .vs > div:first-child{border-right:0; border-bottom:1px solid var(--line)}
  .pager{flex-direction:column}
  .pager .next{text-align:left}
  .result{grid-template-columns:1fr 1fr}
  .brand-text small{display:none}
  /* 单元行：窄屏下把时长/题数挪到标题下方，别和标题抢横向空间 */
  .unit-row{flex-wrap:wrap; gap:10px 12px; align-items:flex-start}
  .unit-row .umain{flex:1 1 calc(100% - 44px)}
  .unit-row .utag{
    flex-basis:calc(100% - 44px); margin-left:42px; margin-top:-4px;
    white-space:normal; color:var(--muted-2);
  }
  table{font-size:12.8px}
  th,td{padding:8px 9px}
}

@media print{
  .topbar,.footer,.side,.pager,.done-bar,.overlay{display:none}
  .page{max-width:none; padding:0}
}

/* ==========================================================================
   习题册（100 题题库）
   ========================================================================== */

.faq-stats{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:26px; max-width:660px}
.faq-stats > div{background:#fff; border:1px solid var(--line); border-radius:var(--r-md); padding:14px 16px; box-shadow:var(--shadow-sm)}
.faq-stats b{display:block; font-size:26px; line-height:1.15; color:var(--navy); font-weight:800; letter-spacing:-.02em}
.faq-stats b.ok{color:var(--teal)}
.faq-stats b.todo{color:var(--amber)}
.faq-stats span{display:block; font-size:12px; color:var(--muted); margin-top:3px}

.faq-toolbar{padding:22px 0 6px}
.faq-filter-row{display:flex; align-items:center; gap:7px; flex-wrap:wrap; margin-bottom:10px}
.faq-filter-row .fl{font-size:12px; font-weight:700; color:var(--muted-2); letter-spacing:.06em; margin-right:4px}

.faq-searchwrap{display:flex; align-items:center; gap:14px; margin-top:14px; flex-wrap:wrap}
.faq-searchwrap input{
  flex:1; min-width:240px; max-width:460px; padding:10px 14px;
  border:1px solid var(--line-2); border-radius:var(--r-sm); background:#fff;
  font-family:inherit; font-size:14px; color:var(--ink);
}
.faq-searchwrap input:focus{outline:none; border-color:var(--teal); box-shadow:0 0 0 3px rgba(15,118,110,.12)}
.faq-count{font-size:12.5px; color:var(--muted-2); font-variant-numeric:tabular-nums}

.faq-list{display:grid; gap:12px}
.qcard{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-md);
  padding:16px 18px 14px; box-shadow:var(--shadow-sm); transition:border-color .15s, box-shadow .15s;
}
.qcard:hover{border-color:var(--line-2)}
.qcard[hidden]{display:none}
.qcard-head{display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:8px}
.qid{font-family:var(--mono); font-size:11.5px; font-weight:700; color:var(--muted-2); letter-spacing:.04em}
.qcat{font-size:11.5px; color:var(--navy-2); background:#eef3f8; border:1px solid var(--line); padding:1px 8px; border-radius:99px}
.qlv{font-size:11.5px; padding:1px 8px; border-radius:99px; border:1px solid transparent; font-weight:600}
.qlv.lv1{background:var(--teal-soft); color:var(--teal); border-color:var(--teal-line)}
.qlv.lv2{background:var(--blue-soft); color:var(--blue); border-color:var(--blue-line)}
.qlv.lv3{background:var(--violet-soft); color:var(--violet); border-color:#ddd0fb}
.qdone{margin-left:auto; font-size:11.5px; color:var(--teal); background:var(--teal-soft); border:1px solid var(--teal-line); padding:1px 8px; border-radius:99px; font-weight:600}

.qcard .qq{font-size:16px; line-height:1.6; color:var(--ink); font-weight:700; margin:0 0 10px}
.qreveal{
  background:none; border:0; padding:0; font-family:inherit; font-size:13px; font-weight:600;
  color:var(--teal); cursor:pointer; letter-spacing:.01em;
}
.qreveal:hover{text-decoration:underline; text-underline-offset:3px}

.qbody{display:none; margin-top:14px; padding-top:14px; border-top:1px dashed var(--line-2)}
.qcard.open .qbody{display:block}
.qans{
  background:var(--teal-soft); border:1px solid var(--teal-line); border-radius:var(--r-sm);
  padding:11px 14px; font-size:14.5px; font-weight:700; color:#0b5a53; line-height:1.6;
}
.qans .lbl{
  display:inline-block; font-size:11px; font-weight:700; letter-spacing:.1em;
  background:var(--teal); color:#fff; border-radius:4px; padding:1px 7px; margin-right:8px; vertical-align:1px;
}
.qpoints{margin:14px 0 0; padding-left:1.25em; font-size:14px; color:var(--ink-2)}
.qpoints li{margin:.5em 0; line-height:1.72}
.qsrc{
  margin-top:14px; padding:9px 13px; background:#f7f9fc; border:1px solid var(--line);
  border-radius:var(--r-sm); font-size:12.5px; color:var(--muted); line-height:1.6;
}
.qsrc b{color:var(--ink-2); font-weight:700; margin-right:8px}
.qtrap{
  margin-top:10px; padding:9px 13px; background:var(--amber-soft); border:1px solid var(--amber-line);
  border-radius:var(--r-sm); font-size:13px; color:#7c4a05; line-height:1.65;
}
.qtrap b{color:var(--amber); font-weight:700; margin-right:8px}
.qfoot{margin-top:14px; display:flex; justify-content:flex-end}
.btn-mini{
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r-sm);
  padding:6px 14px; font-family:inherit; font-size:12.5px; color:var(--ink-2); cursor:pointer;
}
.btn-mini:hover{border-color:var(--teal); color:var(--teal); background:var(--teal-soft)}

@media (max-width:820px){
  .faq-stats{grid-template-columns:1fr 1fr; gap:10px}
}
@media (max-width:560px){
  .faq-stats b{font-size:21px}
  .qcard{padding:14px 15px 12px}
  .qcard .qq{font-size:15px}
  .qans{font-size:13.8px}
  .faq-searchwrap input{min-width:0; max-width:none; width:100%}
  .faq-count{flex-basis:100%}
}
@media print{
  .faq-toolbar{display:none}
  .qbody{display:block !important}
}