/* ============================================================
   LA MAISON DENTAIRE — THE DENTAL HOUSE
   Stylesheet v1 · Built to Visual Identity Manual v2
   Colours: p.18 · Typography: p.20-21 · Grid: p.22 (8pt / 12col)
   NOTE: no external font CDN is used. Google Fonts is not
   reliably reachable from mainland China, and the manual's
   approved fallbacks (Georgia / Arial) are system fonts.
   ============================================================ */

:root{
  /* Manual v2 · p.18 — approved palette */
  --porcelain:#F7F5F1;
  --taupe:#9F968D;
  --graphite:#464646;
  --sand:#D8CCBD;
  --sage:#A9AEA4;
  --white:#FFFFFF;

  --line:rgba(159,150,141,.32);
  --shadow:0 1px 3px rgba(70,70,70,.06), 0 12px 32px rgba(70,70,70,.07);

  /* Manual v2 · p.20 — Baskerville / Avenir Next with approved fallbacks */
  --display:Baskerville,"Baskerville Old Face","Hoefler Text",Georgia,"Times New Roman",serif;
  --body:"Avenir Next",Avenir,"Segoe UI",Inter,-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  --cn:"Hiragino Sans GB","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;

  /* 8-point spacing system · p.22 */
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px;
  --s6:64px; --s7:96px; --s8:128px;
  --maxw:1240px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--porcelain);
  color:var(--graphite);
  font-family:var(--body);
  font-size:17px;          /* p.19 — 16px digital minimum */
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block}

a{color:inherit;text-decoration:none}

/* ---------- Typography scale · p.21 ---------- */
h1,h2,h3{font-family:var(--display);font-weight:400;margin:0;letter-spacing:.005em}
h1{font-size:clamp(42px,5.6vw,72px);line-height:1.08}
h2{font-size:clamp(30px,3.4vw,40px);line-height:1.18}
h3{font-size:clamp(21px,2vw,26px);line-height:1.25}
p{margin:0 0 var(--s2)}
p:last-child{margin-bottom:0}

/* Tracked capitals for labels only · p.21 */
.eyebrow{
  font-family:var(--body);font-size:12px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--taupe);
  margin:0 0 var(--s2);
}
.lede{font-size:clamp(18px,1.6vw,21px);line-height:1.6;max-width:56ch}
.muted{color:#6E6963}
.cn{font-family:var(--cn);font-size:.88em}  /* p.10 — 85–90% of English */

.rule{height:1px;background:var(--line);border:0;margin:0}
.rule-short{width:64px;height:1px;background:var(--taupe);border:0;margin:var(--s2) 0 var(--s3)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--s4)}
section{padding:var(--s7) 0}
.section-sand{background:var(--sand)}
.section-white{background:var(--white)}
.section-graphite{background:var(--graphite);color:var(--porcelain)}
.section-graphite .eyebrow{color:var(--sand)}
.section-graphite .muted{color:rgba(247,245,241,.72)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--s1);
  font-family:var(--body);font-size:13px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  padding:16px 30px;border:1px solid transparent;border-radius:2px;
  cursor:pointer;transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--graphite);color:var(--porcelain);border-color:var(--graphite)}
.btn-primary:hover{background:#2F2F2F;border-color:#2F2F2F}
.btn-ghost{background:transparent;color:var(--graphite);border-color:var(--taupe)}
.btn-ghost:hover{background:var(--graphite);color:var(--porcelain);border-color:var(--graphite)}
.btn-reverse{background:var(--porcelain);color:var(--graphite);border-color:var(--porcelain)}
.btn-reverse:hover{background:var(--white)}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:var(--s4)}

/* Visible focus — accessibility · p.19 */
a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--graphite);outline-offset:3px;
}

.skip{position:absolute;left:-9999px}
.skip:focus{left:var(--s2);top:var(--s2);z-index:100;background:var(--graphite);
  color:var(--porcelain);padding:12px 20px;border-radius:2px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--porcelain);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--s4);padding-top:var(--s2);padding-bottom:var(--s2);
}
.brand img{height:56px;width:auto}
.nav{display:flex;align-items:center;gap:var(--s4)}
.nav a{
  font-size:12.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  padding-bottom:4px;border-bottom:1px solid transparent;transition:border-color .2s;
}
.nav a:hover{border-bottom-color:var(--taupe)}
.nav a[aria-current="page"]{border-bottom-color:var(--taupe)}
.header-cta{white-space:nowrap}
.nav-toggle{display:none;background:none;border:1px solid var(--line);
  border-radius:2px;padding:10px 14px;font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--graphite);cursor:pointer;font-family:var(--body)}

/* ---------- Hero ---------- */
.hero{background:var(--porcelain);padding:0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch;
  max-width:var(--maxw);margin:0 auto}
.hero-copy{padding:var(--s8) var(--s4) var(--s8) var(--s4);display:flex;
  flex-direction:column;justify-content:center}
.hero-media{position:relative;min-height:560px}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  object-position:center 22%}
.hero h1{margin-bottom:var(--s3)}

/* ---------- Trust strip · Playbook p.30 ---------- */
.trust{background:var(--white);box-shadow:var(--shadow);border-radius:2px;
  margin-top:calc(var(--s6) * -1);position:relative;z-index:2}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust-item{padding:var(--s5) var(--s4);display:flex;gap:var(--s3);align-items:flex-start}
.trust-item + .trust-item{border-left:1px solid var(--line)}
.trust-icon{flex:0 0 60px;width:60px;height:60px;border-radius:50%;
  background:var(--porcelain);display:grid;place-items:center}
.trust-icon svg{width:26px;height:26px;stroke:var(--taupe);stroke-width:1.6;
  fill:none;stroke-linecap:round;stroke-linejoin:round}
.trust-item h3{font-family:var(--body);font-size:14px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:var(--s1)}
.trust-item p{font-size:15.5px;color:#6E6963;margin:0}

/* ---------- Generic split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--s7);align-items:center}
.split-narrow{grid-template-columns:.85fr 1.15fr}

/* ---------- Doctor cards ---------- */
.doctors{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s5)}
.doc-card{background:var(--white);box-shadow:var(--shadow);border-radius:2px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease}
.doc-card:hover{transform:translateY(-4px);
  box-shadow:0 1px 3px rgba(70,70,70,.07),0 20px 44px rgba(70,70,70,.11)}
.doc-photo{aspect-ratio:4/5;overflow:hidden;background:var(--sand)}
.doc-photo img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.doc-body{padding:var(--s4);display:flex;flex-direction:column;flex:1}
.doc-body h3{margin-bottom:var(--s1)}
.doc-role{font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--taupe);margin-bottom:var(--s2)}
.doc-body .link{margin-top:auto;padding-top:var(--s3);font-size:12.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--taupe);
  align-self:flex-start;padding-bottom:4px}
.doc-body .link:hover{border-bottom-color:var(--graphite)}

/* ---------- Info cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
.card{background:var(--white);padding:var(--s4);border-radius:2px;border:1px solid var(--line)}
a.card{transition:border-color .22s ease,transform .22s ease}
a.card:hover{border-color:var(--taupe);transform:translateY(-2px)}
.card h3{font-family:var(--body);font-size:15px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:var(--s2)}
.card p{font-size:15.5px;color:#6E6963}

/* ---------- Detail list ---------- */
.dl{display:grid;grid-template-columns:auto 1fr;gap:var(--s2) var(--s4);
  font-size:16px;align-items:baseline}
.dl dt{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--taupe);padding-top:2px}
.dl dd{margin:0}
.hours{width:100%;border-collapse:collapse;font-size:16px}
.hours th,.hours td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line)}
.hours th{font-weight:400}
.hours td{text-align:right}

/* ---------- Verification placeholder ----------
   Manual READ_ME: "Replace all address, opening-hours, booking and
   QR-code placeholders before launch." Rendered loudly on purpose. */
.todo{
  display:inline-block;font-family:var(--body);font-size:13px;font-weight:600;
  letter-spacing:.06em;background:#FBE9C8;color:#6B4E12;
  border:1px dashed #B4893A;border-radius:2px;padding:2px 8px;
}
.notice{
  background:#FBE9C8;border-left:3px solid #B4893A;color:#5C430F;
  padding:var(--s3) var(--s4);border-radius:2px;font-size:15.5px;margin-bottom:var(--s5);
}
.notice strong{display:block;margin-bottom:4px;letter-spacing:.06em;text-transform:uppercase;font-size:12.5px}

/* ---------- Forms · Playbook p.32 ---------- */
.form{background:var(--white);padding:var(--s5);border-radius:2px;box-shadow:var(--shadow)}
.field{margin-bottom:var(--s3)}
.field label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--graphite);margin-bottom:var(--s1)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--body);font-size:16px;color:var(--graphite);
  background:var(--porcelain);border:1px solid var(--line);border-radius:2px;
  padding:14px var(--s2);
}
.field textarea{min-height:120px;resize:vertical}
.field .hint{font-size:13.5px;color:#6E6963;margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s3)}
.consent{display:flex;gap:var(--s2);align-items:flex-start;font-size:15px;
  background:var(--porcelain);padding:var(--s3);border-radius:2px;margin-bottom:var(--s3)}
.consent input{margin-top:5px;flex:0 0 auto;width:18px;height:18px}
.req{color:#8A5A1E}

/* ---------- Footer ---------- */
.site-footer{background:var(--graphite);color:rgba(247,245,241,.82);
  padding:var(--s7) 0 var(--s4);font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--s5)}
.site-footer img{height:64px;width:auto;margin-bottom:var(--s3)}
.site-footer h4{font-family:var(--body);font-size:12px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--sand);
  margin:0 0 var(--s2)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:10px}
.site-footer a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(247,245,241,.16);margin-top:var(--s6);
  padding-top:var(--s3);display:flex;flex-wrap:wrap;gap:var(--s3);
  justify-content:space-between;font-size:13px;color:rgba(247,245,241,.6)}

/* ---------- Mobile sticky CTA · Playbook p.32 ---------- */
.sticky-cta{display:none}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:var(--s6) var(--s4)}
  .hero-media{min-height:420px;order:-1}
  .trust{margin-top:0}
  .trust-grid{grid-template-columns:1fr}
  .trust-item + .trust-item{border-left:0;border-top:1px solid var(--line)}
  .split,.split-narrow{grid-template-columns:1fr;gap:var(--s5)}
  .doctors{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:760px){
  body{font-size:16px}
  section{padding:var(--s6) 0}
  .wrap{padding:0 var(--s3)}
  .nav-toggle{display:block}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--porcelain);border-bottom:1px solid var(--line);
    padding:var(--s2) var(--s3) var(--s3);
  }
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .site-header{position:relative}
  .header-inner{position:relative}
  .header-cta{display:none}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form{padding:var(--s3)}
  /* One primary action per screen · Playbook p.32 */
  .sticky-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    gap:1px;background:var(--line);
    box-shadow:0 -2px 16px rgba(70,70,70,.14);
  }
  .sticky-cta a{flex:1;text-align:center;padding:16px 8px;font-size:12px;
    font-weight:600;letter-spacing:.12em;text-transform:uppercase}
  .sticky-cta .call{background:var(--porcelain);color:var(--graphite)}
  .sticky-cta .book{background:var(--graphite);color:var(--porcelain)}
  body{padding-bottom:56px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

@media print{
  .site-header,.sticky-cta,.btn-row,.notice{display:none}
  body{background:#fff}
}

/* ============================================================
   CONTENT / SEO PAGES  (answers hub + articles)
   ============================================================ */

.article{max-width:70ch;margin:0 auto}
.article h2{margin-top:var(--s6)}
.article h3{margin-top:var(--s5);font-size:clamp(19px,1.8vw,23px)}
.article h2 + p,.article h3 + p{margin-top:var(--s2)}
.article ul,.article ol{margin:0 0 var(--s2);padding-left:1.3em}
.article li{margin-bottom:var(--s1)}
.article blockquote{margin:var(--s4) 0;padding:var(--s3) var(--s4);
  background:var(--white);border-left:3px solid var(--taupe);border-radius:0;
  font-family:var(--display);font-size:20px;line-height:1.5}
.article .keyline{border:0;border-top:1px solid var(--line);margin:var(--s6) 0}

.meta{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--taupe);
  display:flex;flex-wrap:wrap;gap:var(--s2);align-items:center}
.meta span + span::before{content:"·";margin-right:var(--s2);color:var(--line)}

.qa{max-width:74ch;margin:0 auto}
.qa-group{margin-top:var(--s6)}
.qa-group > h2{padding-bottom:var(--s2);border-bottom:1px solid var(--line)}
.qa-item{padding:var(--s4) 0;border-bottom:1px solid var(--line)}
.qa-item h3{font-family:var(--display);font-size:clamp(20px,1.9vw,24px);margin-bottom:var(--s2)}
.qa-item p{font-size:16.5px}
.qa-item p:last-child{margin-bottom:0}

.toc{background:var(--white);border:1px solid var(--line);border-radius:2px;
  padding:var(--s4);margin-bottom:var(--s5)}
.toc h2{font-family:var(--body);font-size:12px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--taupe);margin:0 0 var(--s2)}
.toc ul{list-style:none;margin:0;padding:0;columns:2;column-gap:var(--s4)}
.toc li{margin-bottom:10px;break-inside:avoid}
.toc a{border-bottom:1px solid transparent;transition:border-color .2s}
.toc a:hover{border-bottom-color:var(--taupe)}

.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s3)}
.post{background:var(--white);border:1px solid var(--line);border-radius:2px;
  padding:var(--s4);display:flex;flex-direction:column;
  transition:border-color .22s ease,transform .22s ease}
.post:hover{border-color:var(--taupe);transform:translateY(-2px)}
.post h3{font-size:clamp(19px,1.8vw,23px);margin-bottom:var(--s2)}
.post p{font-size:15.5px;color:#6E6963}
.post .more{margin-top:auto;padding-top:var(--s3);font-size:12px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--taupe)}

.cta-band{background:var(--white);border:1px solid var(--line);border-radius:2px;
  padding:var(--s5);margin-top:var(--s6);text-align:center}
.cta-band h2{margin-bottom:var(--s2)}
.cta-band .btn-row{justify-content:center}

@media (max-width:760px){
  .toc ul{columns:1}
  .posts{grid-template-columns:1fr}
}

/* ============================================================
   TREATMENTS · COMFORT · TRUST
   ============================================================ */

.treat-group{margin-top:var(--s6)}
.treat-head{display:flex;align-items:baseline;gap:var(--s3);flex-wrap:wrap;
  padding-bottom:var(--s2);border-bottom:1px solid var(--line);margin-bottom:var(--s4)}
.treat-head h2{font-size:clamp(26px,2.8vw,34px)}
.treat-head .cn{color:#6E6963}

.treat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
.treat{background:var(--white);border:1px solid var(--line);border-radius:2px;
  padding:var(--s4);display:flex;flex-direction:column;gap:var(--s2)}
.treat .ico{width:38px;height:38px;stroke:var(--taupe);stroke-width:1.5;fill:none;
  stroke-linecap:round;stroke-linejoin:round}
.treat h3{font-family:var(--body);font-size:15px;font-weight:600;letter-spacing:.06em;
  margin:0}
.treat h3 .cn{display:block;font-weight:400;color:#6E6963;letter-spacing:0;margin-top:2px}
.treat p{font-size:15px;color:#6E6963;margin:0}

.amenity-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 var(--s6)}
.amenity{display:flex;gap:var(--s3);padding:var(--s3) 0;border-bottom:1px solid var(--line);
  align-items:flex-start}
.amenity .ico{flex:0 0 30px;width:30px;height:30px;stroke:var(--taupe);stroke-width:1.5;
  fill:none;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.amenity h3{font-family:var(--body);font-size:15.5px;font-weight:600;margin:0 0 4px;
  letter-spacing:.02em}
.amenity p{font-size:15px;color:#6E6963;margin:0}

.figure{margin:0}
.figure img{border-radius:2px;width:100%}
.figure figcaption{font-size:13.5px;color:#6E6963;margin-top:var(--s2)}

.pledge{counter-reset:pledge;list-style:none;padding:0;margin:var(--s4) 0 0}
.pledge li{counter-increment:pledge;position:relative;padding:var(--s3) 0 var(--s3) 56px;
  border-bottom:1px solid var(--line)}
.pledge li::before{content:counter(pledge,decimal-leading-zero);position:absolute;left:0;top:var(--s3);
  font-family:var(--display);font-size:22px;color:var(--taupe);line-height:1}
.pledge strong{display:block;font-family:var(--display);font-weight:400;
  font-size:clamp(19px,1.8vw,22px);margin-bottom:6px}
.pledge p{font-size:15.5px;color:#6E6963;margin:0}

.fact{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3);margin-top:var(--s5)}
.fact div{background:var(--white);border:1px solid var(--line);border-radius:2px;padding:var(--s4)}
.fact .n{font-family:var(--display);font-size:clamp(34px,4vw,46px);line-height:1;
  display:block;margin-bottom:var(--s2)}
.fact p{font-size:15px;color:#6E6963;margin:0}

@media (max-width:1000px){
  .treat-grid{grid-template-columns:repeat(2,1fr)}
  .fact{grid-template-columns:1fr}
}
@media (max-width:760px){
  .treat-grid{grid-template-columns:1fr}
  .amenity-grid{grid-template-columns:1fr;gap:0}
}

/* ============================================================
   LANGUAGE SWITCHER
   ============================================================ */

.lang{position:relative}
.lang-btn{
  display:inline-flex;align-items:center;gap:6px;background:none;cursor:pointer;
  border:1px solid var(--line);border-radius:2px;padding:9px 12px;
  font-family:var(--body);font-size:12px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--graphite);white-space:nowrap;
  transition:border-color .2s}
.lang-btn:hover{border-color:var(--taupe)}
.lang-btn svg{width:12px;height:12px;stroke:var(--taupe);stroke-width:2;fill:none;
  stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}
.lang-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.lang-menu{
  display:none;position:absolute;right:0;top:calc(100% + 8px);z-index:60;
  min-width:190px;background:var(--white);border:1px solid var(--line);
  border-radius:2px;box-shadow:var(--shadow);padding:6px;list-style:none;margin:0}
.lang-menu.open{display:block}
.lang-menu li{margin:0}
.lang-menu a{display:flex;justify-content:space-between;gap:var(--s3);align-items:baseline;
  padding:10px 12px;font-size:15px;border-radius:2px;transition:background .16s}
.lang-menu a:hover{background:var(--porcelain)}
.lang-menu a[aria-current="true"]{background:var(--porcelain);font-weight:600}
.lang-menu .tag{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--taupe)}
.lang-menu .zh{font-family:var(--cn)}

.header-inner{gap:var(--s3)}
.header-tools{display:flex;align-items:center;gap:var(--s2)}

@media (max-width:1080px){
  .nav{gap:var(--s3)}
  .nav a{font-size:11.5px;letter-spacing:.1em}
}
@media (max-width:900px){
  .header-cta{display:none}
}
@media (max-width:760px){
  .site-header{position:relative}
  .lang-menu{right:auto;left:0}
}

/* Chinese pages: the display serif has no CJK glyphs — use the CJK stack */
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3,
html[lang^="zh"] .pledge strong,html[lang^="zh"] blockquote{
  font-family:var(--cn);font-weight:500;letter-spacing:0}
html[lang^="zh"] body{font-family:var(--cn);line-height:1.8}
html[lang^="zh"] .eyebrow,html[lang^="zh"] .btn,html[lang^="zh"] .nav a,
html[lang^="zh"] .doc-role,html[lang^="zh"] .lang-btn{letter-spacing:.06em}
html[lang^="zh"] h1{font-size:clamp(32px,4.4vw,52px);line-height:1.25}
html[lang^="zh"] h2{font-size:clamp(24px,3vw,34px);line-height:1.35}
html[lang^="zh"] .lede{max-width:40em}
html[lang^="zh"] .article,html[lang^="zh"] .qa{max-width:42em}