:root{
  --c1:#be123c;--c2:#881337;--soft:#fff1f2;--accent:#0284c7;
  --ink:#2b0710;--bg:#fffdfd;--r:16px;
  --line:#e6eaf1;--muted:#6b7280;--card:#fff;
  --sh:0 1px 2px rgba(16,24,40,.04),0 8px 24px -12px rgba(16,24,40,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15.5px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--c1);text-decoration:none}
a:hover{opacity:.82}
img{max-width:100%;height:auto}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em}
p{margin:0 0 12px}
ul,ol{margin:0 0 12px;padding-left:1.15em}
li{margin:5px 0}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 22px}
.mono{font-variant-numeric:tabular-nums;font-family:"SF Mono",Consolas,monospace}
.dim{color:var(--muted)}
.sec{padding:56px 0}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-hd h2{font-size:26px}
.sec-hd p{margin:6px 0 0;color:var(--muted);font-size:14px}
.more{font-size:13.5px;white-space:nowrap;color:var(--c1);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;border-radius:calc(var(--r) * .7);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.16s;line-height:1.2}
.btn-p{background:var(--c1);color:#fff}
.btn-p:hover{background:var(--c2);opacity:1}
.btn-o{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-o:hover{border-color:var(--c1);color:var(--c1);opacity:1}
.btn-sm{padding:8px 15px;font-size:13.5px}
.tag{display:inline-block;padding:3px 9px;border-radius:calc(var(--r) * .5);
  background:var(--soft);color:var(--c1);font-size:12px;font-weight:700;letter-spacing:.02em}
.tag.t{background:#fff7ed;color:#c2410c}
.tag.a{background:#ecfdf5;color:#047857}
.tbl-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card)}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--soft);font-size:13px;font-weight:700;color:var(--c2);white-space:nowrap}
tbody tr:hover{background:#fafbfd}
.kbd-note{font-size:13px;color:var(--muted);margin:0}
.notice{padding:14px 16px;background:var(--soft);border-left:3px solid var(--c1);
  border-radius:0 var(--r) var(--r) 0;font-size:13.5px;color:var(--c2)}
.prose p{font-size:15.5px}
.prose h2{font-size:22px;margin:30px 0 12px}
.prose h3{font-size:17px;margin:24px 0 8px}
.crumbs{font-size:12.5px;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px;opacity:.5}
.lv{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:700}
.lv-1{background:#fee2e2;color:#b91c1c}.lv-2{background:#ffedd5;color:#c2410c}
.lv-3{background:#dcfce7;color:#15803d}.lv-4{background:#e0f2fe;color:#0369a1}
.lv-5{background:#f1f5f9;color:#475569}
details{border-bottom:1px solid var(--line);padding:2px 0}
details summary{cursor:pointer;padding:15px 2px;font-weight:600;font-size:15px;list-style:none;position:relative;padding-right:26px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';position:absolute;right:4px;top:14px;color:var(--muted);font-weight:400}
details[open] summary::after{content:'–'}
details p{margin:0 0 16px;color:#404a5c;font-size:14.5px}

/* ── 页头：6 种形态 ── */
.hd{position:relative;z-index:30;background:var(--bg)}
.hd-in{max-width:1140px;margin:0 auto;padding:0 22px;display:flex;align-items:center;gap:26px;min-height:64px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em}
.logo i{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:calc(var(--r) * .5);
  background:var(--c1);color:#fff;font-style:normal;font-size:13px;font-weight:800;letter-spacing:0}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{padding:8px 12px;font-size:14px;color:#3d4657;border-radius:calc(var(--r) * .5)}
.nav a.on{color:var(--c1);font-weight:700}
.hd .btn-sm{margin-left:12px}

/* flat */
.hd-flat{border-bottom:1px solid var(--line)}
.hd-flat .nav a.on{background:var(--soft)}
/* line */
.hd-line .hd-in{min-height:74px;border-bottom:1px solid var(--line)}
.hd-line .logo{font-size:20px;font-family:Georgia,"Songti SC",serif}
.hd-line .nav a{position:relative;border-radius:0}
.hd-line .nav a.on::after{content:'';position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c1)}
/* pill */
.hd-pill{background:var(--soft);border-bottom:1px solid var(--line)}
.hd-pill .nav{gap:6px}
.hd-pill .nav a{padding:7px 15px;border-radius:999px;background:#fff;border:1px solid var(--line)}
.hd-pill .nav a.on{background:var(--c1);color:#fff;border-color:var(--c1)}
/* block */
.hd-block{background:var(--c2);color:#fff}
.hd-block .logo,.hd-block .nav a{color:#fff}
.hd-block .logo i{background:#fff;color:var(--c2)}
.hd-block .nav a{padding:9px 14px;border-radius:0}
.hd-block .nav a.on{background:rgba(255,255,255,.16);font-weight:700}
.hd-block .btn-p{background:#fff;color:var(--c2)}
.hd-block .btn-p:hover{background:#f1f5f9}
/* side */
.hd-side{border-bottom:1px solid var(--line)}
.hd-side .nav a{border-radius:0;border-bottom:2px solid transparent;padding:9px 10px}
.hd-side .nav a.on{border-bottom-color:var(--c1);font-weight:700}
.hd-side .logo i{border-radius:2px}
/* double */.hd-double{background:var(--c2);color:#fff}
.hd-double .hd-top{border-bottom:1px solid rgba(255,255,255,.16);font-size:12.5px}
.hd-double .hd-top .hd-in{min-height:34px;color:rgba(255,255,255,.72)}
.hd-double .hd-top a{color:rgba(255,255,255,.72);margin-right:16px}
.hd-double .hd-main .hd-in{min-height:66px}
.hd-double .logo,.hd-double .nav a{color:#fff}
.hd-double .logo i{background:#fff;color:var(--c2)}
.hd-double .nav a.on{border-bottom:2px solid #fff;border-radius:0;font-weight:700}
.hd-double .btn-p{background:var(--accent);color:#1a1205}
/* block & double 内导航分隔 */
.hd-block .nav,.hd-double .nav{margin-left:auto}

/* ── 页脚 ── */
.ft{margin-top:64px;background:var(--c2);color:rgba(255,255,255,.78);font-size:13.5px}
.ft-in{max-width:1140px;margin:0 auto;padding:44px 22px 30px;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.ft h5{margin:0 0 12px;font-size:13px;color:#fff;letter-spacing:.06em;text-transform:uppercase}
.ft a{display:block;color:rgba(255,255,255,.72);padding:3px 0}
.ft a:hover{color:#fff}
.ft .brand{font-size:17px;color:#fff;font-weight:800;margin-bottom:8px}
.ft-btm{max-width:1140px;margin:0 auto;padding:16px 22px 26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.6)}
.ft-btm a{display:inline;color:rgba(255,255,255,.72)}

/* ── 答题界面 ── */
.quiz{display:grid;grid-template-columns:1fr 268px;gap:26px;align-items:start;padding:26px 0 10px}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 26px 22px;box-shadow:var(--sh)}
.qtop{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;font-size:13px;color:var(--muted)}
.qtop b{color:var(--c1);font-size:15px}
.pbar{height:4px;background:var(--line);border-radius:4px;overflow:hidden;margin:12px 0 22px}
.pbar i{display:block;height:100%;background:var(--c1);width:0;transition:width .25s}
.qtext{font-size:19px;font-weight:600;line-height:1.6;margin:0 0 20px;min-height:60px}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:flex-start;gap:12px;padding:13px 15px;border:1px solid var(--line);
  border-radius:calc(var(--r) * .7);cursor:pointer;font-size:15px;background:#fff;transition:.14s}
.opt:hover{border-color:var(--c1);background:var(--soft)}
.opt.sel{border-color:var(--c1);background:var(--soft);box-shadow:inset 0 0 0 1px var(--c1)}
.opt .k{flex:0 0 24px;height:24px;border-radius:50%;background:var(--line);color:#42506a;
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700}
.opt.sel .k{background:var(--c1);color:#fff}
.qfoot{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.qfoot .btn{flex:1;min-width:120px}
.sheet{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh)}
.sheet h4{font-size:13px;color:var(--muted);margin-bottom:12px;font-weight:600}
.sheet-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.sheet-grid b{display:flex;align-items:center;justify-content:center;height:28px;border-radius:6px;
  background:#f4f6fa;color:#5a6478;font-size:12px;font-weight:600;cursor:pointer}
.sheet-grid b.done{background:var(--soft);color:var(--c1)}
.sheet-grid b.cur{background:var(--c1);color:#fff}
.sheet-meta{margin-top:14px;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between}

/* ── 结果页 ── */
.score-hero{background:linear-gradient(135deg,var(--soft),#fff 70%);border:1px solid var(--line);
  border-radius:var(--r);padding:34px;display:grid;grid-template-columns:170px 1fr;gap:32px;align-items:center}
.score-big{font-size:64px;font-weight:800;line-height:1;color:var(--c1);letter-spacing:-.04em}
.score-big small{display:block;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0;margin-top:8px}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}
.kv div{background:#fff;border:1px solid var(--line);border-radius:calc(var(--r) * .7);padding:14px}
.kv b{display:block;font-size:20px;color:var(--c2)}
.kv span{font-size:12.5px;color:var(--muted)}
.bars{display:grid;gap:12px}
.bar-row{display:grid;grid-template-columns:74px 1fr 54px;gap:12px;align-items:center;font-size:13.5px}
.bar{height:9px;background:#eef1f6;border-radius:9px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--c1);border-radius:9px}
.bar i.t{background:var(--accent)}

@media(max-width:960px){
  .ft-in{grid-template-columns:1fr 1fr}
  .quiz{grid-template-columns:1fr}
  .sheet{order:-1}
  .score-hero{grid-template-columns:1fr;gap:20px}
}
@media(max-width:720px){
  body{font-size:15px}
  .sec{padding:40px 0}
  .sec-hd{flex-direction:column;align-items:flex-start;gap:6px}
  .sec-hd h2{font-size:22px}
  .hd-in{gap:12px;min-height:58px;flex-wrap:wrap;padding:10px 16px}
  .nav{order:3;width:100%;margin-left:0;gap:2px;overflow-x:auto;padding-bottom:2px}
  .nav a{padding:7px 10px;font-size:13.5px;white-space:nowrap}
  .hd .btn-sm{margin-left:auto}
  .wrap{padding:0 16px}
  .kv{grid-template-columns:1fr 1fr}
  .score-hero{padding:24px}
  .score-big{font-size:52px}
  .qtext{font-size:17px}
  .qcard{padding:20px 18px}
  .ft-in{grid-template-columns:1fr;gap:22px;padding:32px 16px 20px}
}

/* ── 板块通用 ── */
.bk{padding:54px 0}
.bk-tight{padding:36px 0}
.bk-soft{background:var(--soft)}
.bk-line{border-top:1px solid var(--line)}
.bk-dark{background:var(--c2);color:#fff}
.bk-dark h2,.bk-dark h3,.bk-dark h4{color:#fff}
.bk-dark p,.bk-dark li{color:rgba(255,255,255,.78)}
.bk-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px}
.bk-hd h2{font-size:26px}
.bk-hd .sub{margin:6px 0 0;color:var(--muted);font-size:14px;max-width:620px}
.bk-dark .bk-hd .sub{color:rgba(255,255,255,.65)}
.bk-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--c1);margin-bottom:10px}
.bk-dark .bk-eyebrow{color:var(--accent)}

/* hero 通用 */
.bk-hero{padding:52px 0 46px;position:relative;overflow:hidden}
.bk-hero h1{font-size:40px;line-height:1.22;letter-spacing:-.025em}
.bk-hero h1 em{font-style:normal;color:var(--c1);box-shadow:inset 0 -.28em 0 var(--soft)}
.bk-lede{font-size:15.5px;color:#4a5468;max-width:600px;margin:16px 0 22px;line-height:1.8}
.bk-facts{display:flex;flex-wrap:wrap;gap:26px;list-style:none;padding:0;margin:0 0 24px}
.bk-facts li{font-size:13px;color:var(--muted)}
.bk-facts b{display:block;font-size:22px;color:var(--ink);font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums}
.bk-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.bk-note{font-size:12.5px;color:var(--muted);margin:12px 0 0}

/* 分栏 hero */
.bk-hero-split .in{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
/* 居中 hero */
.bk-hero-center{text-align:center}
.bk-hero-center .bk-lede{margin:16px auto 24px}
.bk-hero-center .bk-facts,.bk-hero-center .bk-cta{justify-content:center}
.bk-hero-center h1{font-size:44px;max-width:780px;margin:0 auto}

/* 分数卡 */
.bk-scorecard{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;box-shadow:0 18px 40px -28px rgba(16,24,40,.4)}
.bk-scorecard h3{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:18px}
.bk-gauge{display:flex;align-items:center;gap:18px;margin-bottom:20px}
.bk-gauge .num{font-size:38px;font-weight:800;line-height:1;color:var(--c1);letter-spacing:-.03em}
.bk-gauge .num small{display:block;font-size:11.5px;color:var(--muted);font-weight:500;margin-top:5px;letter-spacing:0}
.bk-bars{display:grid;gap:9px}
.bk-bar-row{display:grid;grid-template-columns:64px 1fr 42px;gap:10px;align-items:center;font-size:12.5px;color:#4a5468}
.bk-bar{height:7px;background:#eef1f6;border-radius:7px;overflow:hidden}
.bk-bar i{display:block;height:100%;background:var(--c1);border-radius:7px}
.bk-bar i.t{background:var(--accent)}

/* 数据条 */
.bk-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bk-stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.bk-stat b{display:block;font-size:28px;line-height:1.1;color:var(--c1);font-weight:800;letter-spacing:-.02em}
.bk-stat span{font-size:12.5px;color:var(--muted)}
.bk-dark .bk-stat{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14)}
.bk-dark .bk-stat b{color:#fff}

/* 测试卡 */
.bk-tests{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bk-test{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;
  display:flex;flex-direction:column;transition:.18s}
.bk-test:hover{border-color:var(--c1);box-shadow:var(--sh);transform:translateY(-2px)}
.bk-test h3{font-size:17px;margin:10px 0 8px}
.bk-test p{font-size:13.5px;color:var(--muted);margin:0 0 14px;flex:1}
.bk-meta{display:flex;gap:12px;font-size:12px;color:var(--muted);margin-bottom:14px;flex-wrap:wrap}
.bk-test .btn{align-self:flex-start}

/* 测试清单（表格式） */
.bk-testlist{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.bk-testrow{display:grid;grid-template-columns:1.5fr 1.6fr 120px 96px;gap:16px;align-items:center;
  padding:15px 20px;border-bottom:1px solid var(--line);font-size:14px}
.bk-testrow:last-child{border-bottom:0}
.bk-testrow:hover{background:#fafbfd}
.bk-testrow b{font-size:14.5px}
.bk-testrow .d{color:var(--muted);font-size:13px}
.bk-testrow .n{font-size:12.5px;color:var(--muted)}

/* 分数表 */
.bk-table{overflow-x:auto}
/* 等级条 */
.bk-levels{display:grid;gap:10px}
.bk-lvrow{display:grid;grid-template-columns:132px 1fr 84px;gap:14px;align-items:center;font-size:13.5px}
.bk-track{height:22px;background:#f1f4f9;border-radius:5px;position:relative;overflow:hidden}
.bk-track i{display:block;height:100%;background:linear-gradient(90deg,var(--soft),var(--c1));border-radius:5px}
.bk-lvrow b{text-align:right;font-variant-numeric:tabular-nums;font-size:13px;color:var(--c2)}

/* 难度 */
.bk-diff{display:grid;gap:10px}
.bk-diffrow{display:grid;grid-template-columns:150px 1fr 56px;gap:14px;align-items:center;font-size:13.5px}
.bk-diffrow .tr{height:9px;background:#f1f4f9;border-radius:9px;overflow:hidden}
.bk-diffrow .tr i{display:block;height:100%;background:var(--accent);border-radius:9px}
.bk-diffrow b{text-align:right;font-size:13px;color:var(--muted)}

/* 维度卡 */
.bk-dims{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bk-dim{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.bk-dim .ic{width:36px;height:36px;border-radius:calc(var(--r)*.6);background:var(--soft);
  color:var(--c1);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:12px}
.bk-dim h3{font-size:15.5px;margin-bottom:6px}
.bk-dim p{font-size:13px;color:var(--muted);margin:0 0 8px}
.bk-dim a{font-size:12.5px;font-weight:600}

/* 流程 */
.bk-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:fl}
.bk-step{position:relative;padding-top:38px}
.bk-step::before{counter-increment:fl;content:counter(fl,decimal-leading-zero);position:absolute;top:0;left:0;
  font-size:13px;font-weight:800;color:var(--c1);letter-spacing:.08em}
.bk-step::after{content:'';position:absolute;top:8px;left:34px;right:-18px;height:1px;background:var(--line)}
.bk-step:last-child::after{display:none}
.bk-step h4{font-size:15px;margin-bottom:6px}
.bk-step p{font-size:13px;color:var(--muted);margin:0}

/* FAQ */
.bk-faq{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:4px 22px}

/* 文章卡 */
.bk-arts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bk-art{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.bk-art .cat{font-size:11.5px;font-weight:700;color:var(--c1);letter-spacing:.06em}
.bk-art h3{font-size:15.5px;margin:8px 0 8px;line-height:1.45}
.bk-art p{font-size:13px;color:var(--muted);margin:0}

/* 术语 */
.bk-terms{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.bk-term{background:#fff;border:1px solid var(--line);border-radius:calc(var(--r)*.7);padding:14px 16px}
.bk-term b{font-size:14px;display:block;margin-bottom:4px}
.bk-term span{font-size:12px;color:var(--muted);line-height:1.6}

/* 样题 */
.bk-sample{display:grid;gap:12px}
.bk-sample details{background:#fff;border:1px solid var(--line);border-radius:calc(var(--r)*.7);padding:0 18px}
.bk-sample details summary{font-size:14.5px}
.bk-sample .ans{font-size:13.5px;color:var(--c2);background:var(--soft);padding:10px 12px;border-radius:6px;margin-bottom:14px}

/* CTA 带 */
.bk-ctaband{background:var(--c2);color:#fff;border-radius:var(--r);padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.bk-ctaband h2{font-size:24px;color:#fff}
.bk-ctaband p{margin:6px 0 0;color:rgba(255,255,255,.75);font-size:14px}
.bk-ctaband .btn-p{background:#fff;color:var(--c2)}
.bk-ctaband .btn-o{border-color:rgba(255,255,255,.4);color:#fff}

/* 通知条 */
.bk-banner{background:var(--soft);border-bottom:1px solid var(--line);font-size:13px;color:var(--c2)}
.bk-banner .in{padding:9px 0;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.bk-banner b{color:var(--c1)}

/* 对比表 */
.bk-compare table{font-size:14px}
.bk-compare th:first-child{width:28%}

/* 分数查询 */
.bk-lookup{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.bk-lookup input{width:110px;padding:10px 12px;border:1px solid var(--line);border-radius:calc(var(--r)*.6);
  font-size:15px;font-family:inherit}
.bk-lookup input:focus{outline:2px solid var(--soft);border-color:var(--c1)}

@media(max-width:940px){
  .bk-hero-split .in{grid-template-columns:1fr;gap:28px}
  .bk-tests,.bk-dims,.bk-arts{grid-template-columns:1fr 1fr}
  .bk-stats{grid-template-columns:1fr 1fr}
  .bk-terms{grid-template-columns:1fr 1fr}
  .bk-flow{grid-template-columns:1fr 1fr;gap:26px}
  .bk-step::after{display:none}
  .bk-hero h1{font-size:32px}
  .bk-hero-center h1{font-size:32px}
  .bk-testrow{grid-template-columns:1fr 110px;gap:8px}
  .bk-testrow .d{display:none}
}
@media(max-width:620px){
  .bk{padding:38px 0}
  .bk-tests,.bk-dims,.bk-arts,.bk-terms{grid-template-columns:1fr}
  .bk-lvrow{grid-template-columns:100px 1fr 66px;font-size:12.5px}
  .bk-diffrow{grid-template-columns:112px 1fr 42px;font-size:12.5px}
  .bk-hero h1{font-size:27px}
  .bk-hero-center h1{font-size:27px}
  .bk-ctaband{padding:26px 22px}
  .bk-ctaband h2{font-size:20px}
}

/* 子页面通用 */
.pg-head{padding:30px 0 8px}
.pg-head h1{font-size:32px;line-height:1.25;letter-spacing:-.02em}
.pg-head .lede{margin:12px 0 0;font-size:15px;color:#4a5468;max-width:760px}
.pg-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:14px}
.pg-meta span{background:var(--soft);padding:4px 10px;border-radius:20px;color:var(--c2)}
.pg-body{padding:26px 0 0}
.vo-sec{margin:34px 0 10px;padding:22px 24px;background:var(--soft);border-radius:var(--r);
  border-left:3px solid var(--c1)}
.vo-sec h2{font-size:16px;margin-bottom:10px;color:var(--c2)}
.vo-sec p{font-size:14px;color:#3f4a5e;margin:0 0 10px;line-height:1.8}
.vo-sec p:last-child{margin:0}
.q-item{border-bottom:1px solid var(--line);padding:16px 0}
.q-item:last-child{border:0}
.q-item .qh{font-size:15px;font-weight:600;margin-bottom:6px;line-height:1.6}
.q-item .qn{font-size:12px;color:var(--muted);margin-right:8px;font-variant-numeric:tabular-nums}
.q-opts{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.q-opts span{font-size:13px;padding:4px 10px;background:#f4f6fa;border-radius:6px;color:#4b5563}
.q-opts span.ok{background:#dcfce7;color:#15803d;font-weight:700}
.ans-box{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:var(--r);padding:16px 18px;margin:18px 0}
.ans-box b{color:#15803d}
.ans-box p{margin:6px 0 0;font-size:14px;color:#374151}
.score-hero2{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center;
  background:linear-gradient(135deg,var(--soft),#fff);border:1px solid var(--line);
  border-radius:var(--r);padding:30px 32px;margin-top:22px}
.score-hero2 .big{font-size:76px;font-weight:800;line-height:1;color:var(--c1);letter-spacing:-.05em}
.score-hero2 .big small{display:block;font-size:12px;color:var(--muted);font-weight:500;letter-spacing:0;margin-top:6px}
.score-hero2 h1{font-size:26px;margin-bottom:8px}
.score-hero2 p{margin:0;font-size:14px;color:#4a5468}
.mini-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin:16px 0}
.mini-grid a{display:block;text-align:center;padding:8px 4px;border:1px solid var(--line);
  border-radius:8px;font-size:12.5px;color:#374151;background:#fff;font-variant-numeric:tabular-nums}
.mini-grid a:hover{border-color:var(--c1);color:var(--c1);opacity:1}
.mini-grid a.cur{background:var(--c1);border-color:var(--c1);color:#fff;font-weight:700}
.list-links{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.list-links a{display:grid;grid-template-columns:1fr auto;gap:14px;padding:14px 18px;
  border-bottom:1px solid var(--line);color:var(--ink);font-size:14.5px}
.list-links a:last-child{border-bottom:0}
.list-links a:hover{background:#fafbfd;opacity:1}
.list-links a small{color:var(--muted);font-size:12.5px}
.tag-grid{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tag-grid a{padding:6px 12px;border:1px solid var(--line);border-radius:20px;font-size:13px;background:#fff;color:#374151}
.tag-grid a:hover{border-color:var(--c1);color:var(--c1);opacity:1}
.cat-h{font-size:13px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;
  border-bottom:1px solid var(--line);padding-bottom:8px;margin:28px 0 10px}
.kv2{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.kv2 div{background:#fff;border:1px solid var(--line);border-radius:calc(var(--r)*.7);padding:13px 15px}
.kv2 b{display:block;font-size:19px;color:var(--c2);line-height:1.3}
.kv2 span{font-size:12px;color:var(--muted)}
.article-body{max-width:780px}
.article-body h2{font-size:20px;margin:30px 0 10px;padding-left:12px;border-left:3px solid var(--c1)}
.article-body p{font-size:15.5px;line-height:1.9;color:#333c4d}
.article-body p:first-of-type::first-letter{font-size:1.2em;color:var(--c1)}
.nextprev{display:flex;justify-content:space-between;gap:14px;margin:30px 0 0;flex-wrap:wrap}
.nextprev a{font-size:13.5px;font-weight:600}
.tbl-note{font-size:12.5px;color:var(--muted);margin-top:10px}
@media(max-width:760px){
  .pg-head h1{font-size:24px}
  .score-hero2{grid-template-columns:1fr;gap:14px;padding:22px}
  .score-hero2 .big{font-size:56px}
  .kv2{grid-template-columns:1fr 1fr}
  .article-body h2{font-size:18px}
  .vo-sec{padding:18px}
}

.st-hero{padding:56px 0 40px;background:var(--soft)}
.st-sec{border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:12px;overflow:hidden}
.st-sec summary{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;list-style:none;font-weight:700;font-size:16.5px}
.st-sec summary::-webkit-details-marker{display:none}
.st-sec summary em{font-style:normal;font-size:12.5px;color:var(--muted);font-weight:400}
.st-sec summary::after{content:'＋';color:var(--c1);font-weight:700}
.st-sec[open] summary::after{content:'−'}
.st-sec[open] summary{border-bottom:1px solid var(--line);background:var(--soft)}
.st-body{padding:6px 22px 22px}
.st-body .bk{padding:18px 0 4px}
.st-body .wrap{padding:0;max-width:none}
.st-body .bk-hd{display:none}
.st-body .bk-faq{background:transparent;border:0;border-radius:0;padding:0}
@media(max-width:700px){.st-sec summary{font-size:15px;padding:15px 16px}.st-body{padding:4px 16px 16px}}

.logo i{background:var(--c1)}
::selection{background:var(--soft);color:var(--c2)}
a:focus-visible,.btn:focus-visible,.opt:focus-visible{outline:2px solid var(--c1);outline-offset:2px}