:root {
  --zh-ink: #102832;
  --zh-ink-2: #213942;
  --zh-paper: #f7f5ef;
  --zh-paper-2: #ece8de;
  --zh-white: #ffffff;
  --zh-red: #c8241c;
  --zh-red-deep: #9e1d18;
  --zh-warm: #d8b75d;
  --zh-line: #cfd5d5;
  --zh-muted: #627078;
  --zh-max: 1320px;
  --zh-reading: 800px;
  --zh-radius: 18px;
  --zh-shadow: 0 20px 60px rgba(16,40,50,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--zh-paper);color:var(--zh-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}
button,input,select,textarea{font:inherit}
.zh-shell{width:min(calc(100% - 40px),var(--zh-max));margin-inline:auto}
.zh-skip{position:absolute;left:-9999px;top:auto}.zh-skip:focus{left:16px;top:16px;z-index:1000;background:#fff;padding:10px 14px;border-radius:8px}
.zh-topbar{border-bottom:1px solid rgba(16,40,50,.12);background:rgba(247,245,239,.95)}
.zh-topbar__inner{display:flex;justify-content:flex-end;gap:24px;min-height:38px;align-items:center;font-size:13px;color:var(--zh-muted)}
.zh-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.91);backdrop-filter:blur(18px);border-bottom:1px solid rgba(16,40,50,.10)}
.zh-header__inner{display:grid;grid-template-columns:190px 1fr auto auto;align-items:center;gap:26px;min-height:78px}
.zh-brand img{width:178px;height:auto}
.zh-nav>ul{display:flex;justify-content:center;gap:24px;list-style:none;padding:0;margin:0}.zh-nav li{position:relative}.zh-nav a{text-decoration:none;font-size:14px;font-weight:650}.zh-nav ul ul{display:none;position:absolute;top:100%;left:-18px;min-width:270px;padding:14px;background:#fff;border:1px solid var(--zh-line);border-radius:14px;box-shadow:var(--zh-shadow);list-style:none}.zh-nav li:hover>ul,.zh-nav li:focus-within>ul{display:grid;gap:6px}.zh-nav ul ul a{display:block;padding:8px 10px;border-radius:8px}.zh-nav ul ul a:hover{background:var(--zh-paper)}
.zh-lang{display:flex;gap:4px;border:1px solid var(--zh-line);border-radius:999px;padding:3px}.zh-lang a{min-width:34px;text-align:center;text-decoration:none;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:800}.zh-lang a[aria-current="page"]{background:var(--zh-ink);color:#fff}
.zh-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border-radius:999px;border:1px solid var(--zh-ink);background:var(--zh-ink);color:#fff;text-decoration:none;font-weight:800;font-size:14px}.zh-btn:hover{background:var(--zh-red);border-color:var(--zh-red)}.zh-btn--ghost{background:transparent;color:var(--zh-ink)}.zh-btn--ghost:hover{color:#fff}
.zh-menu-button{display:none;border:0;background:transparent;font-weight:800}
.zh-hero{padding:72px 0 42px}.zh-hero__grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);gap:62px;align-items:center}.zh-kicker{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:850;color:var(--zh-red)}
.zh-hero h1,.zh-page-hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;line-height:.98;letter-spacing:-.035em;margin:.18em 0 .32em}.zh-hero h1{font-size:clamp(48px,6vw,88px)}.zh-hero__lead{max-width:720px;font-size:clamp(18px,2vw,24px);color:var(--zh-ink-2)}.zh-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.zh-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--zh-line);border:1px solid var(--zh-line);border-radius:14px;overflow:hidden;margin-top:38px}.zh-proof div{background:var(--zh-paper);padding:16px}.zh-proof strong{display:block;font-size:18px}.zh-proof span{font-size:12px;color:var(--zh-muted)}
.zh-hero-media{position:relative;min-height:560px;background:var(--zh-white);border:1px solid var(--zh-line);border-radius:30px;overflow:hidden;box-shadow:var(--zh-shadow)}.zh-hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.zh-hero-media__note{position:absolute;left:20px;right:20px;bottom:20px;padding:16px 18px;background:rgba(16,40,50,.9);color:#fff;border-radius:14px;font-size:13px}.zh-hero-media__note strong{display:block;font-size:14px;margin-bottom:3px}
.zh-band{margin-top:36px;padding:22px 0;background:var(--zh-ink);color:#fff}.zh-band__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.zh-band strong{display:block}.zh-band span{font-size:13px;color:#c7d0d3}
.zh-section{padding:90px 0}.zh-section--white{background:#fff}.zh-section--ink{background:var(--zh-ink);color:#fff}.zh-section__head{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:end;margin-bottom:38px}.zh-section__head h2{font-family:Georgia,"Times New Roman",serif;font-size:clamp(36px,4vw,62px);line-height:1.02;font-weight:500;letter-spacing:-.025em;margin:0}.zh-section__head p{margin:0;color:var(--zh-muted);font-size:18px}.zh-section--ink .zh-section__head p{color:#c7d0d3}
.zh-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.zh-card{background:var(--zh-white);border:1px solid var(--zh-line);border-radius:var(--zh-radius);padding:26px;min-height:260px;display:flex;flex-direction:column}.zh-card__no{font:700 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--zh-red);letter-spacing:.1em}.zh-card h3{font-size:24px;line-height:1.14;margin:36px 0 12px}.zh-card p{color:var(--zh-muted);margin:0 0 18px}.zh-card a{margin-top:auto;font-weight:800}.zh-section--ink .zh-card{background:#18343e;border-color:#31505a}.zh-section--ink .zh-card p{color:#c7d0d3}
.zh-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:stretch}.zh-feature__media{background:#fff;border-radius:24px;overflow:hidden;border:1px solid var(--zh-line);min-height:500px}.zh-feature__media img{width:100%;height:100%;object-fit:cover}.zh-feature__body{padding:44px;border-radius:24px;background:var(--zh-warm);color:#18282c}.zh-feature__body h3{font:500 clamp(36px,4vw,58px)/1.03 Georgia,"Times New Roman",serif;margin:0 0 20px}.zh-feature__body .zh-spec{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(16,40,50,.18);margin-top:30px}.zh-spec div{background:rgba(255,255,255,.18);padding:16px}.zh-spec strong{display:block;font-size:22px}.zh-spec span{font-size:12px}
.zh-steps{counter-reset:step;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.zh-step{border-top:2px solid var(--zh-line);padding-top:16px}.zh-step:before{counter-increment:step;content:"0" counter(step);color:var(--zh-red);font:800 12px ui-monospace,SFMono-Regular,monospace}.zh-step h3{font-size:17px;margin:12px 0 8px}.zh-step p{font-size:14px;color:var(--zh-muted)}
.zh-journal{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.zh-story{background:#fff;border:1px solid var(--zh-line);border-radius:18px;overflow:hidden}.zh-story img{width:100%;aspect-ratio:16/10;object-fit:cover}.zh-story__body{padding:20px}.zh-story__meta{font-size:12px;color:var(--zh-red);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.zh-story h3{font-size:22px;line-height:1.15;margin:10px 0}
.zh-cta{padding:70px 0}.zh-cta__box{background:var(--zh-red);color:#fff;border-radius:28px;padding:46px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.zh-cta h2{font:500 clamp(34px,4vw,56px)/1.05 Georgia,"Times New Roman",serif;margin:0}.zh-cta p{margin:10px 0 0;max-width:700px}.zh-cta .zh-btn{background:#fff;color:var(--zh-ink);border-color:#fff}
.zh-footer{background:#0c2028;color:#fff;padding:52px 0 30px}.zh-footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:44px}.zh-footer h3{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#9fb0b6}.zh-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.zh-footer a{text-decoration:none}.zh-footer__bottom{display:flex;justify-content:space-between;gap:30px;margin-top:42px;padding-top:20px;border-top:1px solid #28404a;font-size:12px;color:#9fb0b6}
.zh-page-hero{padding:66px 0 36px;border-bottom:1px solid var(--zh-line)}.zh-page-hero__inner{max-width:1040px}.zh-page-hero h1{font-size:clamp(44px,6vw,80px)}.zh-page-hero__lede{font-size:22px;max-width:880px;color:var(--zh-ink-2)}
.zh-breadcrumbs{font-size:12px;color:var(--zh-muted);margin-bottom:28px}.zh-breadcrumbs a{text-decoration:none}
.zh-article-layout{display:grid;grid-template-columns:240px minmax(0,var(--zh-reading)) 240px;gap:44px;justify-content:center;padding:56px 0 90px}.zh-toc{position:sticky;top:110px;align-self:start;font-size:13px}.zh-toc strong{display:block;margin-bottom:10px}.zh-toc a{display:block;text-decoration:none;padding:6px 0;color:var(--zh-muted)}
.zh-article{font-size:18px}.zh-article h2{font:500 38px/1.1 Georgia,"Times New Roman",serif;margin:2em 0 .6em;letter-spacing:-.02em}.zh-article h3{font-size:24px;line-height:1.25;margin:1.8em 0 .5em}.zh-article p{margin:0 0 1.25em}.zh-article figure{margin:2em -80px}.zh-article figure img{border-radius:18px;border:1px solid var(--zh-line);background:#fff}.zh-article figcaption{font-size:12px;color:var(--zh-muted);margin-top:8px}.zh-article table{width:100%;border-collapse:collapse;font-size:14px;margin:2em 0}.zh-article th,.zh-article td{padding:10px;border-bottom:1px solid var(--zh-line);text-align:left}.zh-article blockquote{margin:2em 0;padding:22px 26px;border-left:4px solid var(--zh-red);background:#fff}
.zh-aside{align-self:start;border:1px solid var(--zh-line);background:#fff;border-radius:16px;padding:18px;font-size:13px}.zh-aside strong{display:block;margin-bottom:8px}.zh-aside .zh-btn{width:100%;margin-top:12px}
.zh-contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.zh-contact-form label{display:grid;gap:6px;font-size:13px;font-weight:700}.zh-contact-form input,.zh-contact-form select,.zh-contact-form textarea{width:100%;border:1px solid var(--zh-line);border-radius:10px;padding:12px;background:#fff}.zh-contact-form .full{grid-column:1/-1}
@media (max-width:1080px){.zh-header__inner{grid-template-columns:170px 1fr auto}.zh-nav{display:none}.zh-menu-button{display:inline-flex}.zh-hero__grid{grid-template-columns:1fr 1fr;gap:30px}.zh-cards{grid-template-columns:repeat(2,1fr)}.zh-steps{grid-template-columns:repeat(3,1fr)}.zh-journal{grid-template-columns:1fr 1fr}.zh-journal .zh-story:first-child{grid-column:1/-1}.zh-article-layout{grid-template-columns:190px minmax(0,1fr)}.zh-aside{display:none}}
@media (max-width:760px){.zh-shell{width:min(calc(100% - 28px),var(--zh-max))}.zh-topbar{display:none}.zh-header__inner{min-height:68px;grid-template-columns:1fr auto auto;gap:12px}.zh-brand img{width:145px}.zh-header .zh-btn{display:none}.zh-hero{padding-top:42px}.zh-hero__grid{grid-template-columns:1fr}.zh-hero-media{min-height:410px}.zh-proof{grid-template-columns:1fr}.zh-band__inner{grid-template-columns:1fr 1fr}.zh-section{padding:62px 0}.zh-section__head{grid-template-columns:1fr;gap:16px}.zh-cards{grid-template-columns:1fr}.zh-feature{grid-template-columns:1fr}.zh-feature__media{min-height:360px}.zh-feature__body{padding:28px}.zh-steps{grid-template-columns:1fr}.zh-journal{grid-template-columns:1fr}.zh-journal .zh-story:first-child{grid-column:auto}.zh-cta__box{grid-template-columns:1fr;padding:30px}.zh-footer__grid{grid-template-columns:1fr 1fr}.zh-footer__brand{grid-column:1/-1}.zh-footer__bottom{display:grid}.zh-article-layout{grid-template-columns:1fr;padding-top:34px}.zh-toc{position:static}.zh-article{font-size:17px}.zh-article figure{margin:1.7em 0}.zh-contact-form{grid-template-columns:1fr}.zh-contact-form .full{grid-column:auto}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (max-width:1080px){.zh-nav.is-open{display:block;position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--zh-line);border-radius:16px;padding:18px;box-shadow:var(--zh-shadow)}.zh-nav.is-open>ul{display:grid;justify-content:stretch;gap:2px}.zh-nav.is-open ul ul{position:static;display:grid;box-shadow:none;border:0;padding:4px 0 8px 14px}.zh-nav.is-open a{display:block;padding:8px 4px}}