/* ============================================================
   美股链 Meigulian · Art Deco design system
   "代币化美股的黄金时代 · 上链"
   Palette: near-black emerald + deco gold + ivory
   Type: Cinzel (deco caps) · Jost (geometric sans) · Noto Serif/Sans SC
   ============================================================ */

:root{
  --ink:#0C1410;
  --ink-2:#13201A;
  --ink-3:#0F1A15;
  --gold:#C9A227;
  --gold-hi:#EAD08A;
  --gold-dim:#7E6B2E;
  --emerald:#1F7A63;
  --emerald-hi:#43C59E;
  --ivory:#F2EAD6;
  --ivory-dim:#BFB69D;
  --up:#43C59E;
  --down:#E0654E;
  --serif:"Noto Serif SC", serif;
  --display:"Cinzel","Noto Serif SC",serif;
  --sans:"Jost","Noto Sans SC",system-ui,sans-serif;
  --maxw:1320px;
  --pad:clamp(20px,4.5vw,56px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:
    radial-gradient(140% 90% at 72% 8%, rgba(63,180,142,.10), transparent 46%),
    radial-gradient(120% 120% at 50% 0%, #11201A 0%, var(--ink) 58%),
    var(--ink);
  background-attachment:fixed;
  color:var(--ivory);
  font-family:var(--sans);font-weight:300;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::after{ /* grain */
  content:"";position:fixed;inset:0;pointer-events:none;z-index:99;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-hi)}
::selection{background:var(--gold);color:var(--ink)}

/* full-page deco frame */
.frame{position:fixed;inset:11px;border:1px solid var(--gold-dim);pointer-events:none;z-index:80;opacity:.5}
.frame i{position:absolute;width:26px;height:26px;border:2px solid var(--gold)}
.frame i.a{top:-1px;left:-1px;border-right:0;border-bottom:0}
.frame i.b{top:-1px;right:-1px;border-left:0;border-bottom:0}
.frame i.c{bottom:-1px;left:-1px;border-right:0;border-top:0}
.frame i.d{bottom:-1px;right:-1px;border-left:0;border-top:0}

.wrap{position:relative;z-index:5;max-width:var(--maxw);margin:0 auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:200;background:var(--gold);color:var(--ink);padding:10px 16px}

/* ====== Masthead ====== */
.mast{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px var(--pad) 16px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.emblem{width:44px;height:44px;flex:0 0 auto}
.brand-zh{font-family:var(--serif);font-weight:900;font-size:23px;letter-spacing:.18em;color:var(--ivory);line-height:1}
.brand-en{font-family:var(--display);font-weight:500;font-size:10px;letter-spacing:.52em;color:var(--gold);margin-top:6px;padding-left:.5em}
/* non-CJK wordmark variant: add class .brand--latin on .brand */
.brand--latin .brand-zh{font-family:var(--display);font-weight:700;font-size:21px;letter-spacing:.22em;text-transform:uppercase}
nav.links{display:flex;gap:38px;align-items:center}
nav.links a{color:var(--ivory-dim);text-decoration:none;font-size:13px;letter-spacing:.26em;font-family:var(--display);font-weight:500;text-transform:uppercase;transition:color .25s;position:relative;white-space:nowrap}
nav.links a::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:1px;background:var(--gold);transition:width .28s}
nav.links a:hover,nav.links a:focus-visible{color:var(--gold-hi)} nav.links a:hover::after{width:100%}
.mast-cta{font-family:var(--display);font-weight:600;font-size:12px;letter-spacing:.22em;color:var(--ink);background:linear-gradient(180deg,var(--gold-hi),var(--gold));padding:12px 24px;text-decoration:none;border:1px solid var(--gold-hi);transition:.25s;white-space:nowrap}
.mast-cta:hover{filter:brightness(1.08)}

/* language switcher (top-right hover dropdown) */
.langsw{position:relative;font-family:var(--display);font-size:12px;letter-spacing:.16em}
.langsw>button{background:transparent;border:1px solid var(--gold-dim);color:var(--ivory);padding:10px 14px;cursor:pointer;font:inherit;letter-spacing:inherit;text-transform:uppercase}
.langsw>button:hover{border-color:var(--gold);color:var(--gold-hi)}
.langsw ul{position:absolute;right:0;top:calc(100% + 6px);background:var(--ink-2);border:1px solid var(--gold-dim);min-width:160px;list-style:none;padding:6px;display:none;z-index:60}
.langsw:hover ul,.langsw:focus-within ul{display:block}
.langsw li a{display:block;color:var(--ivory-dim);text-decoration:none;padding:9px 12px;letter-spacing:.08em}
.langsw li a:hover{background:rgba(201,162,39,.1);color:var(--gold-hi)}

/* ====== mobile §9 conversion bar ====== */
.mbar{display:none}
@media(max-width:900px){
  .mbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;margin:0 11px;padding:11px 14px;border:1px solid var(--gold);background:linear-gradient(180deg,rgba(31,122,99,.18),var(--ink-2));position:relative;z-index:6}
  .mbar .mc{font-family:var(--display);font-weight:900;font-size:18px;letter-spacing:.1em;color:var(--gold-hi)}
  .mbar .mlab{font-size:11px;color:var(--ivory-dim);letter-spacing:.1em}
  .mbar .mcopy{background:transparent;border:1px solid var(--gold);color:var(--gold);font-size:11px;padding:5px 9px;cursor:pointer}
  .mbar .mcopy.done{background:var(--emerald);color:#fff;border-color:var(--emerald)}
  .mbar .mreg{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.12em;color:var(--ink);background:var(--gold);padding:7px 14px;text-decoration:none;text-transform:uppercase}
  .mbar .mben{flex-basis:100%;text-align:center;font-size:11px;color:var(--ivory-dim)}
  .mbar .mben b{color:var(--gold-hi)}
}

/* ====== Ticker ====== */
.ticker{border-top:1px solid var(--gold-dim);border-bottom:1px solid var(--gold-dim);background:linear-gradient(0deg,rgba(201,162,39,.05),transparent);overflow:hidden;white-space:nowrap;position:relative;z-index:5;margin-top:6px}
.ticker-inner{display:inline-block;padding:10px 0;animation:scroll 42s linear infinite;will-change:transform}
.ticker span{font-family:var(--display);font-size:12px;letter-spacing:.22em;color:var(--ivory-dim);margin:0 26px;text-transform:uppercase}
.ticker b{color:var(--gold);font-weight:700;margin-right:9px}
.ticker .dot{color:var(--emerald-hi);font-size:9px;vertical-align:middle}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ====== Hero ====== */
.hero{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(28px,4.5vw,68px);align-items:center;padding:clamp(30px,5vw,64px) var(--pad)}
.hero--tall{min-height:calc(100vh - 150px)}
.sunburst{position:absolute;top:40%;left:23%;width:840px;height:840px;transform:translate(-50%,-50%);opacity:.4;pointer-events:none;z-index:0}
.hero-l{position:relative;z-index:2;max-width:660px;animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.kicker-rule{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.kicker-rule .ln{height:1px;width:54px;background:linear-gradient(90deg,var(--gold),transparent)}
.kicker-rule .dia{color:var(--gold);font-size:10px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--gold-dim);padding:8px 17px;font-family:var(--display);font-size:11px;letter-spacing:.30em;color:var(--gold-hi);text-transform:uppercase;margin-bottom:28px}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--gold)}
h1{font-family:var(--serif);font-weight:900;font-size:clamp(46px,6.6vw,92px);line-height:1.0;letter-spacing:.01em;color:var(--ivory)}
h1 .gold{color:var(--gold);text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:3px;text-underline-offset:.04em}
.lead{margin-top:30px;font-size:17px;line-height:1.95;color:var(--ivory-dim);font-weight:300;max-width:548px}
.lead b{color:var(--ivory);font-weight:500}
.hero-meta{display:flex;gap:32px;margin-top:38px;flex-wrap:wrap}
.hero-meta a{font-family:var(--display);font-size:13px;letter-spacing:.16em;color:var(--ivory);text-decoration:none;border-bottom:1px solid var(--gold);padding-bottom:6px;transition:.25s}
.hero-meta a:hover{color:var(--gold-hi);border-color:var(--gold-hi)}
.hero-meta a.muted{color:var(--ivory-dim);border-color:var(--gold-dim)}

/* ====== Certificate (§9 conversion card) ====== */
.cert-wrap{position:relative;z-index:2;animation:rise 1s .12s cubic-bezier(.2,.7,.2,1) both}
.cert{position:relative;padding:34px 34px 30px;border:1px solid var(--gold);
  background:
    repeating-radial-gradient(circle at 50% -10%, transparent 0 9px, rgba(201,162,39,.035) 9px 10px),
    radial-gradient(120% 80% at 50% 0%, rgba(31,122,99,.20), transparent 62%),
    var(--ink-2);
  box-shadow:0 30px 80px -40px rgba(0,0,0,.9), inset 0 0 0 5px rgba(201,162,39,.10);}
.cert .br{position:absolute;width:16px;height:16px;border:2px solid var(--gold-hi)}
.cert .br.tl{top:9px;left:9px;border-right:0;border-bottom:0}
.cert .br.tr{top:9px;right:9px;border-left:0;border-bottom:0}
.cert .br.bl{bottom:9px;left:9px;border-right:0;border-top:0}
.cert .br.br2{bottom:9px;right:9px;border-left:0;border-top:0}
.fan{display:block;width:88px;height:30px;margin:2px auto 8px}
.cert-top{text-align:center;border-bottom:1px solid var(--gold-dim);padding-bottom:18px;margin-bottom:20px}
.cert-seal{width:66px;height:66px;margin:0 auto 14px}
.cert-kicker{font-family:var(--display);font-size:11px;letter-spacing:.4em;color:var(--gold);text-transform:uppercase}
.cert-title{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.18em;color:var(--ivory);margin-top:9px}
.code-label{font-family:var(--display);font-size:11px;letter-spacing:.28em;color:var(--ivory-dim);text-transform:uppercase;text-align:center}
.code-row{display:flex;align-items:center;justify-content:center;gap:14px;margin:12px 0 6px}
.code{font-family:var(--display);font-weight:900;font-size:42px;letter-spacing:.12em;
  background:linear-gradient(100deg,var(--gold) 20%,#FFF4CF 50%,var(--gold) 80%);
  background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmer 4.5s linear infinite;text-shadow:0 1px 0 rgba(0,0,0,.4)}
.copy{background:transparent;border:1px solid var(--gold);color:var(--gold);font-family:var(--sans);font-size:12px;letter-spacing:.1em;padding:8px 13px;cursor:pointer;transition:.2s}
.copy:hover{background:var(--gold);color:var(--ink)}
.copy.done{background:var(--emerald);border-color:var(--emerald);color:#fff}
.benefit{text-align:center;font-family:var(--serif);font-size:15px;color:var(--ivory);margin:16px 0 4px;line-height:1.7}
.benefit .pct{color:var(--gold-hi);font-weight:700;font-size:20px}
.foot{font-size:11px;color:var(--ivory-dim);text-align:center;line-height:1.6;opacity:.8;margin-bottom:22px}
.btn-primary{display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(180deg,var(--gold-hi),var(--gold));color:var(--ink);font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.12em;padding:16px;text-decoration:none;text-transform:uppercase;border:1px solid var(--gold-hi);transition:.25s}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-secondary{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px;background:transparent;color:var(--ivory);font-family:var(--display);font-weight:600;font-size:13px;letter-spacing:.14em;padding:14px;text-decoration:none;text-transform:uppercase;border:1px solid var(--gold-dim);transition:.25s}
.btn-secondary:hover{border-color:var(--gold);color:var(--gold-hi)}
.cert-note{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:17px;font-size:11px;color:var(--ivory-dim);letter-spacing:.04em}
.cert-note .v{color:var(--emerald-hi)}

/* ====== generic section ====== */
.sec{position:relative;z-index:2;margin:0 var(--pad);padding:50px 0 6px}
.sec-head{display:flex;align-items:center;gap:18px;margin-bottom:32px}
.sec-head .k{font-family:var(--display);font-size:12px;letter-spacing:.34em;color:var(--gold);text-transform:uppercase;white-space:nowrap}
.sec-head .t{font-family:var(--serif);font-weight:700;font-size:clamp(22px,2.5vw,30px);color:var(--ivory);letter-spacing:.05em}
.sec-head .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--gold-dim),transparent)}

/* steps */
.steps{position:relative;z-index:2;border-top:1px solid var(--gold-dim);margin:0 var(--pad);padding:40px 0 44px;display:grid;grid-template-columns:auto 1fr 1fr 1fr;gap:clamp(20px,3vw,48px);align-items:start}
.steps-h{font-family:var(--display);writing-mode:vertical-rl;text-orientation:upright;letter-spacing:.4em;color:var(--gold);font-size:13px;text-transform:uppercase;border-right:1px solid var(--gold-dim);padding-right:20px}
.step{transition:.25s}
.step .rn{font-family:var(--display);font-weight:700;font-size:34px;color:var(--gold);line-height:1}
.step:hover .rn{color:var(--gold-hi)}
.step h3{font-family:var(--serif);font-weight:700;font-size:18px;color:var(--ivory);margin:12px 0 8px;letter-spacing:.02em}
.step p{font-size:13.5px;line-height:1.8;color:var(--ivory-dim)}
.step .em{color:var(--emerald-hi)}

/* bStocks showcase */
.show-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.scard{position:relative;border:1px solid var(--gold-dim);background:linear-gradient(180deg,rgba(201,162,39,.05),var(--ink-2));padding:18px 16px 15px;transition:.28s;text-decoration:none;display:block}
.scard:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 22px 42px -28px rgba(0,0,0,.9)}
.scard .tk{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.05em;color:var(--gold-hi)}
.scard .co{font-family:var(--serif);font-size:13.5px;color:var(--ivory);margin-top:6px}
.scard .tag{margin-top:14px;font-size:10px;letter-spacing:.14em;color:var(--ivory-dim);text-transform:uppercase;border-top:1px solid var(--gold-dim);padding-top:10px}
.scard.soon{opacity:.66}
.scard.soon .tk{color:var(--ivory-dim)}
.show-note{margin-top:16px;font-size:12px;color:var(--ivory-dim);letter-spacing:.03em;text-align:right}

/* why / feature quad */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.4vw,34px)}
.why{border-top:1px solid var(--gold-dim);padding-top:20px;transition:.28s}
.why:hover{border-color:var(--gold)}
.why .ic{display:block;width:36px;height:36px;margin-bottom:15px}
.why h3,.why h4{font-family:var(--serif);font-weight:700;font-size:17px;color:var(--ivory);margin-bottom:9px;letter-spacing:.02em}
.why p{font-size:13.5px;line-height:1.85;color:var(--ivory-dim)}
.why p .em{color:var(--emerald-hi)}

/* link hub: articles & tools cards (homepage internal-link hub for §10) */
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hcard{position:relative;border:1px solid var(--gold-dim);background:var(--ink-2);padding:22px 22px 20px;text-decoration:none;display:flex;flex-direction:column;gap:9px;transition:.28s;min-height:150px}
.hcard:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:0 22px 42px -30px rgba(0,0,0,.9)}
.hcard .tag{font-family:var(--display);font-size:10px;letter-spacing:.26em;color:var(--gold);text-transform:uppercase}
.hcard h3{font-family:var(--serif);font-weight:700;font-size:17px;color:var(--ivory);line-height:1.4;letter-spacing:.01em}
.hcard p{font-size:13px;line-height:1.75;color:var(--ivory-dim);margin-top:auto}
.hcard .arr{color:var(--gold);font-family:var(--display);font-size:13px;letter-spacing:.1em}
.morelinks{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px}
.morelinks a{color:var(--ivory-dim);text-decoration:none;font-size:13.5px;border-bottom:1px solid transparent;padding-bottom:2px;transition:.2s}
.morelinks a:hover{color:var(--gold-hi);border-color:var(--gold-dim)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(28px,4vw,60px)}
.qa{border-top:1px solid var(--gold-dim);padding:22px 2px}
.qa .q{display:flex;gap:12px;font-family:var(--serif);font-weight:700;font-size:16px;color:var(--ivory);letter-spacing:.02em}
.qa .q .m{font-family:var(--display);color:var(--gold);font-weight:700}
.qa .a{margin-top:10px;padding-left:27px;font-size:13.5px;line-height:1.85;color:var(--ivory-dim)}

/* closing CTA band */
.cta{position:relative;z-index:2;margin:56px var(--pad) 0;border:1px solid var(--gold);
  background:radial-gradient(130% 180% at 30% 0%,rgba(31,122,99,.20),transparent 60%),var(--ink-2);
  padding:38px clamp(24px,4vw,52px);display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  box-shadow:inset 0 0 0 5px rgba(201,162,39,.08)}
.cta .ct-l{max-width:520px}
.cta .ct-l .k{font-family:var(--display);font-size:11px;letter-spacing:.4em;color:var(--gold);text-transform:uppercase}
.cta .ct-l h2{font-family:var(--serif);font-weight:900;font-size:clamp(24px,3vw,36px);color:var(--ivory);margin-top:12px;line-height:1.18}
.cta .ct-r{display:flex;flex-direction:column;gap:12px;min-width:300px}
.cta .ccode{display:flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--gold-dim);padding:11px}
.cta .ccode .lb{font-size:11px;color:var(--ivory-dim);letter-spacing:.2em}
.cta .ccode .cd{font-family:var(--display);font-weight:900;font-size:24px;color:var(--gold-hi);letter-spacing:.1em}
.cta .ccode .cpb{background:transparent;border:1px solid var(--gold);color:var(--gold);font-size:11px;padding:6px 11px;cursor:pointer;transition:.2s}
.cta .ccode .cpb:hover{background:var(--gold);color:var(--ink)}
.cta .ccode .cpb.done{background:var(--emerald);color:#fff;border-color:var(--emerald)}
.cta .cbtn{display:block;text-align:center;background:linear-gradient(180deg,var(--gold-hi),var(--gold));color:var(--ink);font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.12em;padding:15px;text-decoration:none;text-transform:uppercase;border:1px solid var(--gold-hi);transition:.25s}
.cta .cbtn:hover{filter:brightness(1.08)}

/* ====== Article ====== */
.crumb{margin:18px var(--pad) 0;font-family:var(--display);font-size:12px;letter-spacing:.12em;color:var(--ivory-dim);text-transform:uppercase}
.crumb a{color:var(--gold);text-decoration:none}
.crumb a:hover{color:var(--gold-hi)}
.article{max-width:760px;margin:0 auto;padding:30px var(--pad) 10px}
.article .eyebrow{margin-bottom:22px}
.article h1{font-size:clamp(32px,4.6vw,52px);line-height:1.14;margin-bottom:18px}
.byline{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-size:13px;color:var(--ivory-dim);letter-spacing:.04em;border-bottom:1px solid var(--gold-dim);padding-bottom:20px;margin-bottom:6px}
.byline .au{color:var(--gold-hi);font-family:var(--display);letter-spacing:.1em}
.article-cover{margin:26px 0 8px}
.article-cover img{width:100%;border:1px solid var(--gold-dim)}
.article-cover figcaption{font-size:12px;color:var(--ivory-dim);margin-top:8px;text-align:center}
.toc{border:1px solid var(--gold-dim);background:var(--ink-2);padding:20px 24px;margin:26px 0}
.toc .toc-h{font-family:var(--display);font-size:12px;letter-spacing:.26em;color:var(--gold);text-transform:uppercase;margin-bottom:12px}
.toc ol{list-style:none;counter-reset:t;display:grid;gap:8px}
.toc li{counter-increment:t}
.toc li a{color:var(--ivory-dim);text-decoration:none}
.toc li a::before{content:counter(t,decimal-leading-zero);color:var(--gold);font-family:var(--display);margin-right:12px}
.toc li a:hover{color:var(--gold-hi)}
.prose{font-size:16.5px;line-height:1.95;color:#E7DFC9}
.prose h2{font-family:var(--serif);font-weight:700;font-size:clamp(24px,3vw,32px);color:var(--ivory);margin:46px 0 16px;letter-spacing:.02em;padding-top:14px;border-top:1px solid var(--gold-dim)}
.prose h3{font-family:var(--serif);font-weight:700;font-size:21px;color:var(--ivory);margin:30px 0 12px}
.prose p{margin:0 0 18px}
.prose a{color:var(--gold-hi);text-underline-offset:3px}
.prose strong{color:var(--ivory);font-weight:600}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}
.prose li{margin:0 0 9px}
.prose blockquote{border-left:2px solid var(--gold);padding:6px 0 6px 22px;margin:24px 0;color:var(--ivory);font-family:var(--serif);font-size:19px;line-height:1.7}
.prose code{font-family:"JetBrains Mono",ui-monospace,monospace;background:var(--ink-2);border:1px solid var(--gold-dim);padding:2px 7px;font-size:.9em;color:var(--gold-hi)}
.callout{border:1px solid var(--gold-dim);background:linear-gradient(180deg,rgba(31,122,99,.12),var(--ink-2));padding:20px 24px;margin:26px 0}
.callout .ch{font-family:var(--display);font-size:11px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;margin-bottom:9px}
.handson{border:1px solid var(--emerald);background:rgba(31,122,99,.10);padding:20px 24px;margin:26px 0}
.handson .ch{font-family:var(--display);font-size:11px;letter-spacing:.2em;color:var(--emerald-hi);text-transform:uppercase;margin-bottom:9px}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--gold-dim);padding:11px 13px;text-align:left}
.prose th{background:rgba(201,162,39,.08);font-family:var(--display);letter-spacing:.06em;color:var(--gold-hi);font-weight:600}
.prose .num{font-variant-numeric:tabular-nums}
.updated{font-size:12px;color:var(--ivory-dim);margin-top:14px}

/* inline conversion block inside articles */
.cta-inline{border:1px solid var(--gold);background:radial-gradient(120% 160% at 50% 0%,rgba(31,122,99,.16),transparent 60%),var(--ink-2);padding:24px;margin:34px 0;text-align:center}
.cta-inline .k{font-family:var(--display);font-size:11px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase}
.cta-inline .row{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin:14px 0}
.cta-inline .cd{font-family:var(--display);font-weight:900;font-size:30px;color:var(--gold-hi);letter-spacing:.1em}
.cta-inline .note{font-size:11px;color:var(--ivory-dim)}

/* author / EEAT box */
.author-box{display:flex;gap:18px;border:1px solid var(--gold-dim);background:var(--ink-2);padding:22px;margin:40px 0 10px;align-items:flex-start}
.author-box .av{width:54px;height:54px;flex:0 0 auto;border:1px solid var(--gold);border-radius:50%}
.author-box .nm{font-family:var(--display);letter-spacing:.12em;color:var(--gold-hi);font-size:14px}
.author-box p{font-size:13px;color:var(--ivory-dim);line-height:1.75;margin-top:7px}

/* related */
.related{margin:0 var(--pad);max-width:760px;margin-left:auto;margin-right:auto;padding:10px 0 30px}

/* ====== Tool page ====== */
.tool{max-width:880px;margin:0 auto;padding:24px var(--pad) 20px}
.tool h1{font-size:clamp(30px,4vw,46px);line-height:1.14;margin-bottom:14px}
.tool-intro{font-size:16px;color:var(--ivory-dim);line-height:1.85;max-width:680px;margin-bottom:26px}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:24px;border:1px solid var(--gold);background:var(--ink-2);padding:28px;box-shadow:inset 0 0 0 5px rgba(201,162,39,.08)}
.calc .field{margin-bottom:16px}
.calc label{display:block;font-family:var(--display);font-size:11px;letter-spacing:.18em;color:var(--gold);text-transform:uppercase;margin-bottom:8px}
.calc input,.calc select{width:100%;background:var(--ink);border:1px solid var(--gold-dim);color:var(--ivory);padding:12px 14px;font-family:var(--sans);font-size:16px;font-variant-numeric:tabular-nums}
.calc input:focus,.calc select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.18)}
.result{border:1px solid var(--gold-dim);background:radial-gradient(120% 100% at 50% 0%,rgba(31,122,99,.16),transparent 60%),var(--ink-3);padding:24px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.result .big{font-family:var(--display);font-weight:900;font-size:clamp(34px,5vw,52px);color:var(--gold-hi);line-height:1;font-variant-numeric:tabular-nums}
.result .rl{font-family:var(--display);font-size:11px;letter-spacing:.2em;color:var(--ivory-dim);text-transform:uppercase}
.result .sub{font-size:13px;color:var(--ivory-dim);line-height:1.7}
.bar{height:10px;background:var(--ink);border:1px solid var(--gold-dim);overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-hi))}

/* ====== compliance / generic page ====== */
.page{max-width:760px;margin:0 auto;padding:26px var(--pad) 20px}
.page h1{font-size:clamp(30px,4vw,46px);margin-bottom:18px}
.page .prose{font-size:16px}

/* ====== footer ====== */
.frule{margin:0 var(--pad);border-top:1px solid var(--gold-dim);padding:20px 0 8px;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:12px;color:var(--ivory-dim);letter-spacing:.08em;font-family:var(--display);text-transform:uppercase;flex-wrap:wrap}
.frule .r{color:var(--gold)}
.site-footer{margin:30px var(--pad) 0;border-top:1px solid var(--gold-dim);padding:34px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-footer .fcol h4{font-family:var(--display);font-size:11px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;margin-bottom:14px}
.site-footer .fcol a{display:block;color:var(--ivory-dim);text-decoration:none;font-size:13.5px;margin-bottom:9px}
.site-footer .fcol a:hover{color:var(--gold-hi)}
.site-footer .fbrand .brand-zh{font-size:20px}
.site-footer .disc{font-size:12px;color:var(--ivory-dim);line-height:1.7;margin-top:12px;max-width:340px}
.copyline{margin:0 var(--pad);border-top:1px solid var(--gold-dim);padding:18px 0 34px;font-size:12px;color:var(--ivory-dim);letter-spacing:.04em;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ====== animations ====== */
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes shimmer{to{background-position:220% 0}}
html.js .reveal{opacity:0;transform:translateY(24px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
@media(prefers-reduced-motion:reduce){
  html.js .reveal,.hero-l,.cert-wrap{opacity:1!important;transform:none!important;animation:none!important}
  .ticker-inner,.code{animation:none!important}
  html{scroll-behavior:auto}
}

/* ====== responsive ====== */
@media(max-width:900px){
  nav.links{display:none}
  .langsw{order:3}
  .hero{grid-template-columns:1fr;gap:30px;padding-top:34px;padding-bottom:44px}
  .hero--tall{min-height:auto}
  .sunburst{opacity:.22;top:30%;left:50%}
  h1{font-size:clamp(40px,12vw,62px)}
  .steps{grid-template-columns:1fr;gap:26px}
  .steps-h{writing-mode:horizontal-tb;border-right:0;border-bottom:1px solid var(--gold-dim);padding:0 0 12px}
  .frule{flex-direction:column;gap:8px;text-align:center}
  .sec{padding-top:40px}
  .sec-head{flex-wrap:wrap;gap:6px 14px}
  .sec-head .t{font-size:21px}
  .sec-head .ln{display:none}
  .show-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr 1fr;gap:22px}
  .hub-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta{flex-direction:column;align-items:stretch;text-align:center;gap:22px}
  .cta .ct-r{min-width:0}
  .calc{grid-template-columns:1fr}
  .site-footer{grid-template-columns:1fr 1fr;gap:24px}
  .copyline{flex-direction:column;text-align:center}
}
@media(max-width:560px){
  .show-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr}
  .site-footer{grid-template-columns:1fr}
}