:root{--zh-ink:#0e1d20;--zh-muted:#58666a;--zh-line:#dbe3e2;--zh-green:#0b7a5c;--zh-green-dark:#075440;--zh-mint:#e9f4ef;--zh-paper:#f5f7f6;--zh-blue:#1e5863}
.zh-page{background:#fff;color:var(--zh-ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif}.zh-page .iv2-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(14,29,32,.08)}.zh-page .iv2-logo-light{display:none}.zh-page .iv2-logo-dark{display:block}.zh-page .iv2-nav-links a{color:var(--zh-ink)}.zh-page .iv2-nav-actions .iv2-lang{color:var(--zh-ink)}.zh-page .iv2-btn-ghost{border-color:rgba(14,29,32,.25);color:var(--zh-ink)}
.zh-hero{position:relative;min-height:460px;display:flex;align-items:end;overflow:hidden;background:#122629;color:#fff}.zh-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,19,22,.92) 0%,rgba(6,19,22,.64) 49%,rgba(6,19,22,.28) 100%)}.zh-hero-media{position:absolute;inset:0}.zh-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.82}.zh-hero .zh-shell{position:relative;z-index:1;padding-top:104px;padding-bottom:72px}.zh-kicker{margin:0 0 16px;color:#b7ddd0;font-size:12px;font-weight:800;line-height:1.4;letter-spacing:.08em;text-transform:uppercase}.zh-hero h1{max-width:780px;margin:0;font-size:clamp(36px,5vw,66px);line-height:1.13;letter-spacing:0}.zh-hero-lead{max-width:680px;margin:22px 0 0;color:rgba(255,255,255,.84);font-size:17px;line-height:1.75}.zh-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.zh-hero-meta span{padding:7px 10px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.09);font-size:12px}
.zh-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;color:rgba(255,255,255,.72);font-size:13px}.zh-breadcrumb a{color:#cce9de}.zh-main{padding:0 0 88px}.zh-section{padding:78px 0;border-bottom:1px solid var(--zh-line)}.zh-section:last-child{border-bottom:0}.zh-section-muted{background:var(--zh-paper)}.zh-heading{display:grid;grid-template-columns:minmax(0,.86fr) minmax(260px,.8fr);gap:64px;align-items:end;margin-bottom:34px}.zh-eyebrow{margin:0 0 12px;color:var(--zh-green);font-size:12px;font-weight:800;letter-spacing:.08em}.zh-heading h2,.zh-prose h2{margin:0;font-size:clamp(28px,3.5vw,44px);line-height:1.22;letter-spacing:0}.zh-heading>p{margin:0;color:var(--zh-muted);font-size:16px;line-height:1.75}.zh-prose{max-width:900px}.zh-prose p{margin:0 0 17px;color:var(--zh-muted);font-size:16px;line-height:1.8}.zh-prose h2{margin:0 0 24px}.zh-prose h3{margin:34px 0 12px;font-size:23px;line-height:1.35}.zh-prose ul,.zh-prose ol{padding-left:22px;color:var(--zh-muted);line-height:1.8}.zh-prose li+li{margin-top:7px}.zh-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:42px 0 0;border-top:1px solid var(--zh-line);border-left:1px solid var(--zh-line)}.zh-fact{min-height:160px;padding:22px;border-right:1px solid var(--zh-line);border-bottom:1px solid var(--zh-line);background:#fff}.zh-fact span{display:block;margin-bottom:12px;color:var(--zh-green);font-size:11px;font-weight:800;letter-spacing:.07em}.zh-fact strong{display:block;font-size:17px;line-height:1.42}.zh-fact p{margin:9px 0 0;color:var(--zh-muted);font-size:13px;line-height:1.6}.zh-relationship{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.zh-platform{padding:30px;background:var(--zh-ink);color:#fff}.zh-platform h3{margin:0 0 13px;font-size:26px}.zh-platform p{margin:0;color:rgba(255,255,255,.72);line-height:1.75}.zh-brand-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.zh-brand-card{padding:24px;border:1px solid var(--zh-line);background:#fff}.zh-brand-card span{color:var(--zh-green);font-size:11px;font-weight:800;letter-spacing:.06em}.zh-brand-card h3{margin:10px 0 9px;font-size:20px}.zh-brand-card p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.7}.zh-brand-card a,.zh-article-card a{display:inline-flex;margin-top:17px;color:var(--zh-green-dark);font-weight:800;font-size:13px}.zh-note{margin-top:30px;padding:20px 22px;border-left:3px solid var(--zh-green);background:var(--zh-mint);color:#1d5143;font-size:14px;line-height:1.75}.zh-table-wrap{overflow-x:auto;border:1px solid var(--zh-line);background:#fff}.zh-table{width:100%;min-width:680px;border-collapse:collapse;text-align:left}.zh-table th,.zh-table td{padding:18px;vertical-align:top;border-bottom:1px solid var(--zh-line);font-size:14px;line-height:1.65}.zh-table th{background:#eff4f2;color:#244137;font-size:12px}.zh-table tr:last-child td{border-bottom:0}.zh-status{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;background:var(--zh-mint);color:var(--zh-green-dark);font-size:12px;font-weight:800}.zh-status::before{width:7px;height:7px;border-radius:50%;background:var(--zh-green);content:""}.zh-checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;border:1px solid var(--zh-line);background:var(--zh-line)}.zh-check{padding:25px;background:#fff}.zh-check b{display:block;color:var(--zh-green);font-size:13px}.zh-check h3{margin:10px 0;font-size:20px}.zh-check p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.7}.zh-article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:62px}.zh-article-aside{align-self:start;position:sticky;top:90px;padding:22px;border-left:1px solid var(--zh-line)}.zh-article-aside p{margin:0 0 12px;color:var(--zh-muted);font-size:13px;line-height:1.65}.zh-article-aside a{display:block;padding:9px 0;color:var(--zh-green-dark);font-size:13px;font-weight:700}.zh-decision{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0}.zh-decision article{padding:21px;border-top:3px solid var(--zh-green);background:var(--zh-paper)}.zh-decision span{color:var(--zh-green);font-weight:800;font-size:12px}.zh-decision h3{margin:11px 0 8px;font-size:19px}.zh-decision p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.68}.zh-related{padding:52px 0 0}.zh-related h2{margin:0 0 24px;font-size:28px}.zh-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.zh-article-card{display:flex;min-height:212px;flex-direction:column;padding:23px;border:1px solid var(--zh-line);background:#fff}.zh-article-card span{color:var(--zh-green);font-size:11px;font-weight:800;letter-spacing:.06em}.zh-article-card h3{margin:10px 0;font-size:20px;line-height:1.4}.zh-article-card p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.7}.zh-article-card a{margin-top:auto}.zh-cta{padding:50px;background:#0e2624;color:#fff}.zh-cta-grid{display:flex;align-items:end;justify-content:space-between;gap:30px}.zh-cta h2{max-width:640px;margin:0;font-size:clamp(28px,3.5vw,42px);line-height:1.25}.zh-cta p{max-width:680px;margin:15px 0 0;color:rgba(255,255,255,.72);line-height:1.75}.zh-cta .iv2-btn-primary{background:#a6dec7;color:#09231d}.zh-page .iv2-footer{margin-top:0}.zh-footer-link{color:#fff!important;text-decoration:underline;text-underline-offset:4px}
@media(max-width:900px){.zh-heading,.zh-relationship,.zh-article-grid{grid-template-columns:1fr;gap:26px}.zh-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.zh-brand-grid,.zh-decision,.zh-related-grid,.zh-route-grid,.zh-contrast{grid-template-columns:1fr}.zh-system-grid,.zh-resource-grid,.zh-blog-grid{grid-template-columns:1fr}.zh-article-aside{position:static;border-left:0;border-top:1px solid var(--zh-line)}.zh-cta-grid{display:block}.zh-cta .iv2-btn{margin-top:25px}}@media(max-width:620px){.zh-hero{min-height:420px}.zh-hero .zh-shell{padding-top:86px;padding-bottom:48px}.zh-hero h1{font-size:35px}.zh-hero-lead{font-size:15px}.zh-section{padding:54px 0}.zh-facts{grid-template-columns:1fr}.zh-fact{min-height:auto}.zh-heading h2,.zh-prose h2{font-size:30px}.zh-page .iv2-nav-actions .iv2-btn{display:none}}

.zh-system-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.zh-system-card{position:relative;min-height:310px;display:flex;align-items:end;overflow:hidden;padding:25px;color:#fff;background:#102a2a}.zh-system-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,16,18,.06),rgba(5,16,18,.94))}.zh-system-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.56;transition:transform .6s ease,opacity .3s ease}.zh-system-card:hover img{transform:scale(1.035);opacity:.7}.zh-system-content{position:relative;z-index:1}.zh-system-content span,.zh-resource-label,.zh-blog-card span{color:#b7e1d0;font-size:11px;font-weight:800;letter-spacing:.07em}.zh-system-content h3{margin:13px 0 8px;font-size:27px}.zh-system-content p{max-width:500px;margin:0;color:rgba(255,255,255,.74);font-size:14px;line-height:1.7}.zh-system-content a{display:inline-flex;margin-top:18px;color:#fff;font-size:13px;font-weight:800}.zh-route-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--zh-line);border:1px solid var(--zh-line)}.zh-route-card{min-height:230px;padding:23px;background:#fff}.zh-route-card b{color:var(--zh-green);font-size:12px}.zh-route-card h3{margin:43px 0 10px;font-size:19px}.zh-route-card p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.68}.zh-contrast{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:30px;background:var(--zh-line);border:1px solid var(--zh-line)}.zh-contrast article{padding:23px;background:#fff}.zh-contrast h3{margin:0 0 9px;font-size:18px}.zh-contrast p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.68}.zh-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.zh-resource-card{min-height:210px;padding:23px;border:1px solid var(--zh-line);background:#fff}.zh-resource-card h3{margin:13px 0 9px;font-size:19px}.zh-resource-card p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.7}.zh-resource-card a{display:inline-flex;margin-top:20px;color:var(--zh-green-dark);font-size:13px;font-weight:800}.zh-blog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.zh-blog-card{padding:25px;border:1px solid var(--zh-line);background:#fff}.zh-blog-card h3{margin:12px 0 9px;font-size:22px;line-height:1.35}.zh-blog-card p{margin:0;color:var(--zh-muted);font-size:14px;line-height:1.7}.zh-blog-card a{display:inline-flex;margin-top:22px;color:var(--zh-green-dark);font-size:13px;font-weight:800}.zh-local-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.zh-local-nav a{padding:9px 12px;border:1px solid rgba(255,255,255,.35);color:#fff;font-size:12px;font-weight:750}