:root{--bg:#F5F8FC;--nav:rgba(10,24,42,.94);--text:#263748;--muted:#657789;--title:#102033;--blue:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--indigo:#6366F1;--line:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--radius:24px}
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0}.section-desc{color:var(--muted);max-width:650px}.channel-wrap{display:flex;flex-wrap:wrap;gap:12px}.channel-pill{display:inline-flex;flex-direction:column;gap:2px;padding:12px 16px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.76);min-width:160px;max-width:280px}.channel-pill b{color:#163D65}.channel-pill span{font-size:12px;color:#6B7F91}.media-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}.media-feature.reverse{grid-template-columns:1.1fr .9fr}.media-feature.reverse .media-img{order:2}.media-img{position:relative}.media-img img{border-radius:28px;box-shadow:var(--shadow);border:1px solid rgba(59,130,246,.1);background:#fff}.media-img:after{content:"";position:absolute;inset:22px -18px -18px 22px;border-radius:28px;background:linear-gradient(135deg,rgba(59,130,246,.12),rgba(34,211,197,.12));z-index:-1}.copy-block h2,.copy-block h1{font-size:clamp(34px,4vw,52px);line-height:1.15;color:var(--title);margin:8px 0 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@media(max-width:680px){.container{width:min(100% - 28px,1180px)}.header-inner{min-height:64px;padding:0 12px;gap:8px}.site-logo strong{display:none}.site-logo img{width:34px;height:34px}.main-btn.compact{padding:8px 12px;font-size:12px}.mobile-only{width:38px;height:38px}.hero{padding:48px 0 52px}.hero-grid{gap:30px}.hero h1{font-size:50px}.hero-sub{font-size:20px}.floating-card{left:10px;bottom:10px;width:150px}.service-strip{margin-top:-10px}.strip-inner{grid-template-columns:1fr;padding:8px}.strip-item{border-right:0;border-bottom:1px solid var(--line)!important}.strip-item:last-child{border-bottom:0!important}.section{padding:58px 0}.section-head{align-items:start;flex-direction:column}.section-title{font-size:34px}.three-col,.review-grid,.metric-row,.legal-list{grid-template-columns:1fr}.review-card:nth-child(2n){transform:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/3}.mobile-bottom{position:fixed;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);left:10px;right:10px;bottom:10px;background:rgba(12,27,42,.94);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:7px;box-shadow:0 18px 40px rgba(0,0,0,.18)}.mobile-bottom a{color:#DDEBFA;text-align:center;padding:8px 4px;font-size:12px}.site-footer{padding-bottom:100px}.cta-band{align-items:flex-start;flex-direction:column}.drawer-nav{grid-template-columns:1fr 1fr}.inner-hero{padding-top:48px}.inner-hero h1{font-size:44px}}

/* 内页按主题形成差异化阅读节奏 */
.story-layout{grid-template-columns:1.28fr .72fr}.story-layout .editorial-main{padding:38px}.story-layout .editorial-side{align-self:start;margin-top:34px}.story-layout-hero{background:linear-gradient(145deg,#ffffff,#eef5ff 48%,#effffb)}
.stream-layout{grid-template-columns:.72fr 1.28fr;align-items:start}.stream-layout .editorial-side{order:-1;background:#12253A;color:#DDEBFA}.stream-layout .editorial-side h3{color:#fff}.stream-layout .editorial-side .bullet-list div{background:rgba(255,255,255,.07);border-left-color:#22D3C5}.stream-layout-hero .inner-hero-grid{grid-template-columns:.82fr 1.18fr}.stream-layout-hero img{max-height:520px;margin:auto;object-fit:contain}.stream-layout-guide .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stream-layout-guide .step{display:block;border:1px solid var(--line);background:#fff;border-radius:20px;padding:20px}.stream-layout-guide .step:before{margin-bottom:12px}
.social-layout{grid-template-columns:1fr 1fr}.social-layout .editorial-main{order:2;background:linear-gradient(180deg,#fff,#f0fbff)}.social-layout .editorial-side{background:#E8FCFA}.social-layout-hero{background:linear-gradient(135deg,#f7fbff,#e9f5ff 45%,#e8fcfa)}.social-layout-guide .steps{max-width:900px;margin:auto}.social-layout-guide .step:nth-child(2){margin-left:7%}.social-layout-guide .step:nth-child(3){margin-left:14%}
.conversation-layout{grid-template-columns:1fr 1fr}.conversation-layout .editorial-main{background:#12253A;color:#DDEBFA}.conversation-layout .editorial-main h2{color:#fff}.conversation-layout .editorial-main p{color:#D1E2F0}.conversation-layout .quote{background:rgba(255,255,255,.07);color:#EAF4FF}.conversation-layout .editorial-side{background:#fff}.conversation-layout-hero .inner-hero-grid{grid-template-columns:1.08fr .92fr}.conversation-layout-guide{background:linear-gradient(180deg,#f5f8fc,#eaf6ff)}
.product-layout{grid-template-columns:.78fr 1.22fr;align-items:start}.product-layout .editorial-main{order:2}.product-layout .editorial-side{background:linear-gradient(180deg,#E9F5FF,#E8FCFA);min-height:100%}.product-layout-hero .inner-hero-grid{grid-template-columns:1.18fr .82fr}.product-layout-hero img{max-height:470px;width:auto;margin:auto;object-fit:contain}.product-layout-guide .steps{background:#fff;border:1px solid var(--line);border-radius:24px;padding:8px 24px}
.security-layout{grid-template-columns:1.18fr .82fr}.security-layout .editorial-main{background:linear-gradient(180deg,#fff,#eef7ff)}.security-layout .editorial-side{background:#102B43;color:#DDEBFA}.security-layout .editorial-side h3{color:#fff}.security-layout .editorial-side .bullet-list div{background:rgba(255,255,255,.06);border-left-color:#38BDF8}.security-layout-hero{background:linear-gradient(145deg,#f9fdff,#e9f5ff 58%,#eefcf9)}.security-layout-guide .step:before{border-radius:50%}
.service-layout{grid-template-columns:1fr}.service-layout .editorial-main{padding:34px}.service-layout .editorial-side{display:grid;grid-template-columns:.55fr 1.7fr .75fr;gap:20px;align-items:start;background:#EEF7FF}.service-layout .editorial-side .bullet-list{grid-template-columns:repeat(3,1fr);margin:0}.service-layout .editorial-side>a{display:inline-block;margin:4px}.service-layout-hero .inner-hero-grid{grid-template-columns:1.2fr .8fr}.service-layout-guide .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.service-layout-guide .step{display:block;padding:22px;border:1px solid var(--line);border-radius:20px;background:#fff}.service-layout-guide .step:before{margin-bottom:12px}
@media(max-width:980px){.story-layout,.stream-layout,.social-layout,.conversation-layout,.product-layout,.security-layout,.service-layout{grid-template-columns:1fr}.stream-layout .editorial-side,.social-layout .editorial-main,.product-layout .editorial-main{order:0}.stream-layout-guide .steps,.service-layout-guide .steps{grid-template-columns:1fr}.social-layout-guide .step:nth-child(2),.social-layout-guide .step:nth-child(3){margin-left:0}.service-layout .editorial-side{grid-template-columns:1fr}.service-layout .editorial-side .bullet-list{grid-template-columns:1fr}}