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var(--line);color:var(--muted);background:#0c204099;border-radius:10px;align-items:center;gap:6px;padding:8px 14px;font-size:14px;display:inline-flex}.guide-jump a:hover{color:#fff;border-color:var(--glow)}.guide-list{gap:24px;display:grid}.guide-card{border-radius:var(--radius-lg);border:1px solid var(--line-soft);background:linear-gradient(#0c2040b3,#030b1cbf);padding:32px}.guide-card header{align-items:center;gap:18px;margin-bottom:16px;display:flex}.guide-card header .platform-icon{margin:0}.guide-card h2{font-size:24px}.guide-clients{color:var(--muted);margin:4px 0 0;font-size:14px}.guide-card>p{color:var(--muted)}.guide-card h3{color:#fff;margin:18px 0 8px;font-size:17px}.guide-card ol,.guide-card ul{color:var(--muted);gap:6px;padding-left:1.3em;display:grid}.guide-more{margin:18px 0 0;font-size:14.5px}.check-grid{grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:24px;display:grid}.check-card h2{margin-bottom:10px}.check-card ul{color:var(--muted);gap:6px;padding-left:1.2em;font-size:15px;display:grid}.article{padding-top:24px;padding-bottom:32px}.article-header{text-align:center;max-width:860px;margin:0 auto 40px}.article-header h1{margin-bottom:18px;font-size:clamp(28px,3.6vw,42px);line-height:1.35}.article-summary{color:var(--muted);font-size:17px}.article-info{color:#bad3f0b3;font-size:13.5px}.article-hero-img{border-radius:var(--radius-lg);border:1px solid var(--line-soft);width:100%;margin-top:24px}.article-layout{grid-template-columns:240px minmax(0,1fr);gap:48px;max-width:1080px;margin:0 auto;display:grid}.article-toc{top:calc(var(--header-h) + 24px);border-radius:var(--radius);border:1px solid var(--line-soft);background:#030b1c99;align-self:start;padding:20px;font-size:14px;position:sticky}.article-toc p{margin:0 0 10px;font-weight:700}.article-toc ol{gap:8px;padding-left:1.2em;display:grid}.article-toc a{color:var(--muted)}.article-toc a:hover{color:#fff}.prose{color:#e3eefb;min-width:0;font-size:16.5px;line-height:1.85}.prose h2{color:#fff;margin:2em 0 .7em;padding-top:.2em;font-size:26px}.prose h2:first-child{margin-top:0}.prose h3{color:#fff;margin:1.6em 0 .6em;font-size:20px}.prose ul,.prose ol{gap:.35em;margin-bottom:1.1em;padding-left:1.4em;display:grid}.prose a{text-underline-offset:3px;text-decoration:underline #61b2ff73}.prose strong{color:#fff}.prose code{color:#cfe6ff;word-break:break-all;background:#2563eb2e;border-radius:6px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em}.prose table{border-collapse:collapse;width:100%;margin:1.2em 0 1.6em;font-size:14.5px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:10px 14px}.prose thead th{white-space:nowrap;background:#0c2040e6}.legal{padding-block:32px 80px}.legal h1{margin-bottom:12px;font-size:36px}.related{max-width:1080px;margin:72px auto 0}.related h2{margin-bottom:24px;font-size:26px}.footer-bottom:before{content:"";border-top:1px solid var(--line-soft);position:absolute;top:0;left:24px;right:24px}@media (width<=640px){.footer-bottom:before{left:16px;right:16px}}.about{padding-block:72px 24px}.about-grid{grid-template-columns:1.3fr 1fr 1fr;align-items:stretch;gap:22px;display:grid}.about-intro p{color:var(--muted);font-size:15.5px}.about-intro .section-title{margin-bottom:16px}.about-card{border-radius:var(--radius);border:1px solid var(--line-soft);background:linear-gradient(#0c2040b3,#030b1cb3);padding:26px}.about-card h3{align-items:center;gap:8px;margin-bottom:14px;font-size:18px;display:flex}.about-card h3 .icon{color:var(--glow)}.tick-list,.check-list{color:var(--muted);gap:12px;padding:0;font-size:14.5px;list-style:none;display:grid}.tick-list li{gap:8px;line-height:1.6;display:flex}.tick-list .icon{color:var(--glow);flex-shrink:0;margin-top:4px}.check-list li{border-left:2px solid var(--line);padding-left:12px;line-height:1.55}.check-list strong{color:#fff;font-size:15px;display:block}#platforms .center .btn{margin-top:28px}.sub-h{margin-bottom:18px}.client-table td,.client-table th{font-size:14px}.client-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.client-card{scroll-margin-top:calc(var(--header-h) + 16px);flex-direction:column;display:flex}.client-card dl{gap:6px;margin:0 0 12px;font-size:14px;display:grid}.client-card dl div{grid-template-columns:3em 1fr;gap:8px;display:grid}.client-card dt{color:var(--glow);font-weight:600}.client-card dd{color:var(--muted);margin:0}.client-card>p{flex:1;font-size:14.5px}.client-links{border-top:1px solid var(--line-soft);flex-wrap:wrap;gap:16px;margin-top:14px;padding-top:12px;font-size:14px;font-weight:600;display:flex}.plain-steps{color:var(--muted);gap:14px;padding-left:1.3em;display:grid}.plain-steps strong{color:#fff}.to-top{cursor:pointer;z-index:40;color:#fff;border:1px solid var(--line);background:#0c2040e6;border-radius:14px;place-items:center;width:46px;height:46px;display:grid;position:fixed;bottom:20px;right:20px;box-shadow:0 10px 30px -10px #000000b3}.to-top[hidden]{display:none}.to-top:hover{color:#fff;border-color:var(--glow);background:#2563eb4d}.search-results li.quick a{background:#2563eb1f;border:1px solid #61b2ff73}.plan-card{scroll-margin-top:calc(var(--header-h) + 28px)}@media (width<=1280px){.main-nav a{padding:8px 9px;font-size:14.5px}.kbd-hint{display:none}}@media (width<=1100px){.menu-toggle{display:inline-flex}.header-cta{display:none}.main-nav{top:var(--header-h);background:#051226fa;flex-direction:column;justify-content:flex-start;gap:20px;padding:20px 24px 32px;display:none;position:fixed;bottom:0;left:0;right:0;overflow-y:auto}body.menu-open{overflow:hidden}body.menu-open .main-nav{display:flex}.main-nav ul{flex-direction:column;gap:2px}.main-nav a{border-bottom:1px solid var(--line-soft);border-radius:0;padding:14px 12px;font-size:17px}.main-nav a.active:after{width:3px;height:auto;inset:14px auto 14px 0}.nav-mobile-cta{width:100%;min-height:50px;display:inline-flex}.plan-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 22px}.platform-grid{grid-template-columns:repeat(3,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.footer-grid,.about-grid{grid-template-columns:1fr 1fr}.about-intro{grid-column:1/-1}.client-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr;gap:28px}.article-toc{position:static}}@media (width<=900px){.section{padding-block:64px}.hero{padding-top:32px}.hero-grid{grid-template-columns:1fr;gap:8px;min-height:0}.hero-copy{text-align:left}.hero-visual{order:2}.globe-art{max-width:460px}.hero-strip{grid-template-columns:repeat(2,1fr)}.hero-strip li+li{border-left:0}.hero-strip li:nth-child(2n){border-left:1px solid var(--line-soft)}.hero-strip li:nth-child(n+3){border-top:1px solid var(--line-soft)}.hero-strip li .strip-item{border-radius:0!important}.feature-grid,.case-grid,.article-grid{grid-template-columns:repeat(2,1fr)}.know-grid,.two-col,.check-grid{grid-template-columns:1fr}.section-head-row{flex-direction:column;align-items:flex-start}.cta-banner{padding:36px 28px}}@media (width<=640px){:root{--header-h:64px}.container{padding-inline:16px}.section{padding-block:52px}.section-head{margin-bottom:32px}.logo-mark{width:38px;height:32px}.logo-cn{font-size:20px}.header-actions .icon-btn{justify-content:center;width:40px;height:40px;padding:0}.hero-brand{font-size:56px}.hero-slogan{font-size:26px}.hero-lead{font-size:16px}.hero-cta{grid-template-columns:1fr 1fr;gap:12px;display:grid}.hero-cta .btn-primary{grid-column:1/-1}.hero-cta .btn{width:100%}.hero-strip{grid-template-columns:1fr}.hero-strip li:nth-child(2n){border-left:0}.hero-strip li+li{border-top:1px solid var(--line-soft)}.strip-item{padding:16px 18px}.feature-grid,.case-grid,.article-grid,.steps,.about-grid,.client-grid{grid-template-columns:1fr}.to-top{bottom:14px;right:14px}.plan-grid{grid-template-columns:1fr;gap:26px}.plan-summary{min-height:0}.platform-grid{grid-template-columns:repeat(2,1fr);gap:12px}.feature-card,.case-card,.check-card,.info-card,.guide-card{padding:22px}.faq-item summary{gap:10px;padding:16px;font-size:15.5px}.faq-a{padding:0 16px 18px}.cta-banner{border-radius:22px;padding:30px 22px}.cta-actions{width:100%}.cta-actions .btn{flex:140px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px 20px}.footer-brand{grid-column:1/-1}.guide-card header{align-items:flex-start}.guide-card h2{font-size:21px}.prose{font-size:16px}.prose h2{font-size:22px}.search-overlay{padding-top:12px}.search-dialog{max-height:86vh}}@media (width<=400px){.hero-brand{font-size:50px}.hero-slogan{font-size:23px}.hero-cta{grid-template-columns:1fr}.platform-card small{display:none}.footer-grid{grid-template-columns:1fr}}