/* ============================================================
   WotoBR · English site  /assets/en.css
   Builds on site.css (shared tokens, header, footer, buttons).
   English-specific rhythm: wider measure, tighter tracking,
   longer labels, no CN letter-spacing.
   ============================================================ */

body{letter-spacing:0;}
.en h1,.en h2,.en h3,.en h4{letter-spacing:-.012em;}
.en p{max-width:72ch;}

/* ---------- top bar / lang switch ---------- */
.lang a{display:inline-block;padding:2px 9px;font-size:12px;letter-spacing:.5px;color:#8FA4BA;transition:.16s;}
.lang a:hover{background:rgba(255,255,255,.10);color:#fff;}
.lang a.on{background:rgba(255,255,255,.14);color:#fff;}
.lang span.on{background:rgba(255,255,255,.14);color:#fff;}
.lang span.off{padding:2px 9px;font-size:12px;letter-spacing:.5px;color:#8FA4BA;}

/* ---------- hero ---------- */
.en-hero .container{grid-template-columns:1.08fr .92fr;gap:clamp(32px,4vw,56px);}
.en-hero h1{font-size:clamp(26px,2.85vw,38px);line-height:1.26;letter-spacing:-.018em;}
.en-hero h1 em{font-style:normal;color:var(--gold);box-shadow:none;}
.en .path-head{flex-wrap:wrap;gap:4px 10px;}
.en .path-head span{white-space:nowrap;}
.en-hero .hero-sub{font-size:clamp(14.5px,1.35vw,16.5px);line-height:1.8;max-width:56ch;}
.en-hero .hero-sub b{color:#fff;font-weight:600;}

/* ---------- section furniture ---------- */
.en .sec-head h2{letter-spacing:-.014em;line-height:1.28;}
.en .sec-head p{max-width:70ch;}
.sec-note{font-size:12.5px;color:var(--ink-3);line-height:1.85;margin-top:14px;max-width:74ch;}
.sec-more{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--navy);letter-spacing:.2px;}
.link-arrow svg{width:14px;height:14px;transition:transform .18s;}
.link-arrow:hover svg{transform:translateX(3px);}
.on-light .link-arrow{color:var(--navy);}

/* ---------- formula ---------- */
.fml{background:var(--navy);color:#fff;padding:clamp(26px,3vw,40px);position:relative;overflow:hidden;}
.fml::after{content:"";position:absolute;right:-90px;bottom:-90px;width:260px;height:260px;border:1px solid rgba(215,166,70,.22);border-radius:50%;}
.fml .eq{font-size:clamp(15px,1.9vw,23px);font-weight:600;letter-spacing:.2px;line-height:1.6;position:relative;}
.fml .eq i{font-style:normal;color:var(--gold);}
.fml .eq u{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:2px;}
.fml .eq-t{font-size:12px;color:#8FA8C1;letter-spacing:2px;margin-bottom:14px;}
.fml .eq-n{font-size:12.5px;color:#A9BED4;line-height:1.9;margin-top:16px;max-width:66ch;position:relative;}

/* ---------- factor grid ---------- */
.factor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:22px;}
.factor{background:#fff;border:1px solid var(--line);border-top:2px solid var(--gold);padding:18px 16px;}
.factor .fn{font-size:11px;color:var(--gold-ink);letter-spacing:1.4px;font-weight:700;}
.factor b{display:block;font-size:15px;color:var(--navy);margin:7px 0 6px;line-height:1.4;}
.factor span{font-size:12.5px;color:var(--ink-2);line-height:1.75;display:block;}

/* ---------- book ---------- */
.book{display:grid;grid-template-columns:300px 1fr;gap:clamp(28px,4vw,54px);align-items:center;}
.book-cover{position:relative;padding:0;}
.book-cover img{width:100%;height:auto;display:block;box-shadow:0 18px 44px rgba(6,32,63,.22);}
.book-meta .kick{font-size:11px;letter-spacing:2.4px;color:var(--gold-ink);font-weight:700;}
.book-meta h2{font-size:clamp(22px,2.6vw,31px);color:var(--navy);line-height:1.2;margin-top:10px;letter-spacing:-.01em;}
.book-meta .sub{font-size:clamp(14px,1.4vw,16px);color:var(--ink-2);margin-top:12px;line-height:1.65;font-style:italic;}
.book-meta p{font-size:13.5px;color:var(--ink-2);line-height:1.85;margin-top:16px;max-width:60ch;}
.book-meta .byline{font-size:12.5px;color:var(--ink-3);margin-top:12px;letter-spacing:.6px;}
.book-acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;}
.btn-outline{border:1px solid var(--navy);color:var(--navy);background:transparent;font-weight:600;}
.btn-outline:hover{background:var(--navy);color:#fff;}

/* ---------- publications list ---------- */
.pub{border-top:1px solid var(--line);padding:20px 0;display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:baseline;}
.pub:last-child{border-bottom:1px solid var(--line);}
.pub .yr{font-size:12.5px;color:var(--ink-3);letter-spacing:1px;}
.pub b{display:block;font-size:15.5px;color:var(--navy);line-height:1.5;}
.pub i{font-style:normal;font-size:13px;color:var(--ink-2);line-height:1.7;display:block;margin-top:4px;}
.pub .tag{font-size:11.5px;color:var(--ink-3);letter-spacing:.8px;white-space:nowrap;}

/* ---------- toolkit ---------- */
.tools{display:grid;grid-template-columns:1fr 1fr;gap:16px;counter-reset:t;}
.tool{background:#fff;border:1px solid var(--line);padding:22px 22px 20px;position:relative;}
.tool::before{counter-increment:t;content:"0" counter(t);position:absolute;top:20px;right:22px;font-size:11px;font-weight:700;color:var(--gold);letter-spacing:1px;}
.tool h3{font-size:15.5px;color:var(--navy);line-height:1.45;padding-right:34px;}
.tool p{font-size:13px;color:var(--ink-2);line-height:1.8;margin-top:9px;}
.tool .out{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);}
.tool .out b{color:var(--navy);font-weight:600;}

/* ---------- interactive worksheet ---------- */
.ws{background:var(--bg);border:1px solid var(--line);padding:clamp(20px,2.6vw,30px);}
.ws h3{font-size:16px;color:var(--navy);}
.ws > p{font-size:13px;color:var(--ink-2);line-height:1.8;margin-top:8px;}
.ws-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;}
.ws-field{display:flex;flex-direction:column;gap:6px;}
.ws-field label{font-size:12.5px;color:var(--ink-2);font-weight:600;}
.ws-field input,.ws-field select{
  font-family:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--line);
  background:#fff;color:var(--ink);border-radius:2px;width:100%;
}
.ws-field input:focus,.ws-field select:focus{outline:none;border-color:var(--navy);}
.ws-out{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;}
.ws-out .v{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--navy);line-height:1;letter-spacing:-.01em;}
.ws-out .u{font-size:12.5px;color:var(--ink-3);}
.ws-out .say{font-size:12.5px;color:var(--ink-2);line-height:1.7;flex:1;min-width:200px;}
.err{color:#A33;font-size:12px;}

/* ---------- contact band ---------- */
#contact-band{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
#contact-band .in{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(26px,4vw,50px);align-items:center;padding:clamp(40px,4.6vw,60px) 0;}
#contact-band h2{font-size:clamp(21px,2.4vw,29px);color:var(--navy);line-height:1.35;letter-spacing:-.01em;}
#contact-band h2 em{font-style:normal;color:var(--gold-ink);}
#contact-band p{font-size:13.5px;color:var(--ink-2);line-height:1.85;margin-top:12px;max-width:56ch;}
#contact-band .card{background:#fff;border:1px solid var(--line);padding:22px;box-shadow:0 1px 3px rgba(6,32,63,.05);}
#contact-band .card .kv{font-size:13px;color:var(--ink-2);line-height:2.05;}
#contact-band .card .kv b{color:var(--navy);font-weight:600;display:inline-block;min-width:74px;}
#contact-band .card a{color:var(--navy);font-weight:600;}

/* ---------- misc ---------- */
.crumb{display:flex;gap:8px;font-size:12.5px;color:var(--ink-3);align-items:center;flex-wrap:wrap;}
.crumb a:hover{color:var(--navy);}
.crumb i{font-style:normal;color:#5E7690;}
.quote{border-left:2px solid var(--gold);padding:2px 0 2px 20px;font-size:15px;color:var(--ink);line-height:1.85;font-style:italic;}
.quote cite{display:block;font-style:normal;font-size:12.5px;color:var(--ink-3);margin-top:10px;letter-spacing:.4px;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3.4vw,44px);}
.fact-table{width:100%;border-collapse:collapse;font-size:13.5px;}
.fact-table th{text-align:left;font-size:12px;letter-spacing:1.2px;color:var(--ink-3);font-weight:600;padding:10px 0;border-bottom:1px solid var(--line);width:130px;}
.fact-table td{padding:10px 0;border-bottom:1px solid var(--line-2);color:var(--ink-2);line-height:1.7;}
.steps{counter-reset:s;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.step{background:#fff;border:1px solid var(--line);padding:20px;position:relative;}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:16px;right:20px;font-size:22px;font-weight:700;color:var(--line);line-height:1;}
.step b{display:block;font-size:14.5px;color:var(--navy);padding-right:30px;}
.step span{font-size:13px;color:var(--ink-2);line-height:1.75;display:block;margin-top:7px;}

@media (max-width:980px){
  .en-hero .container{grid-template-columns:1fr;gap:30px;}
  .factor-grid{grid-template-columns:1fr 1fr;}
  .book{grid-template-columns:1fr;gap:28px;}
  .book-cover{max-width:260px;}
  .tools,.ws-grid,.two-col,.steps{grid-template-columns:1fr;}
  .pub{grid-template-columns:1fr;gap:6px;}
  #contact-band .in{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .factor-grid{grid-template-columns:1fr;}
  .en .sec-head h2{font-size:22px;}
}

/* ---------- print (toolkit worksheets) ---------- */
@media print{
  .topbar,.nav,.footer,.no-print,#contact-band{display:none!important;}
  body{background:#fff;}
  .tool,.ws{break-inside:avoid;border-color:#bbb;}
  .sec{padding:12px 0;}
  a[href]::after{content:"";}
}

/* ---------- comparison table ---------- */
.cmp-wrap{overflow-x:auto;margin-top:10px;}
.cmp{width:100%;border-collapse:collapse;font-size:13px;min-width:680px;}
.cmp th,.cmp td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;line-height:1.7;}
.cmp thead th{background:var(--bg);font-size:11.5px;letter-spacing:.9px;color:var(--ink-2);font-weight:600;text-transform:uppercase;}
.cmp thead th:last-child{background:#EEF2F7;color:var(--navy);}
.cmp tbody th{font-size:12px;color:var(--ink-3);font-weight:600;width:132px;}
.cmp td{color:var(--ink-2);}
.cmp td:last-child{background:#FBFCFE;color:var(--navy);font-weight:500;}

/* hero 细节 */
.en .hero-note{align-items:flex-start;}
.en .hero-note svg{margin-top:3px;}
.nb{white-space:nowrap;}