:root{--bg:#101115;--card:#15161A;--aux:#1B1C21;--sub:#202127;--gold:#F8C84A;--text:#EDEFF5;--muted:#B8BEC9;--dim:#8E96A6;--foot:#08090C;--line:rgba(248,200,74,.16);--shadow:0 14px 36px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit}img{max-width:100%}button{font:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#101115;box-shadow:0 8px 24px rgba(0,0,0,.28);backdrop-filter:blur(10px)}.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo{display:inline-flex;align-items:center;flex:0 0 auto;text-decoration:none}.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:116px;height:40px;padding:0 12px;border:1px solid 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.feature-media{margin-top:18px}.magazine-side{display:grid;gap:16px}.boundary{max-width:820px;margin:0 auto;padding:22px 24px;background:var(--aux);border:1px solid var(--line);border-radius:15px;color:var(--muted)}.service-links{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.service-links a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(248,200,74,.4)}.toc{padding:22px;background:var(--aux);border-radius:15px;border:1px solid var(--line)}.toc h2{margin:0 0 12px;color:var(--gold)}.toc a{display:inline-flex;margin:4px 10px 4px 0;color:var(--muted);text-decoration:none}.toc a:hover{color:var(--gold)}.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.compare article{padding:20px;background:var(--card);border:1px solid var(--line);border-radius:14px}.compare h3{margin:0 0 8px;color:var(--gold)}.compare p{margin:0;color:var(--muted)}.question-lead{display:grid;grid-template-columns:1fr 1fr;gap:18px}.question-lead 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@media(max-width:1100px){.nav-core a{padding:8px 7px}.side-float{display:none}.footer-grid{grid-template-columns:1fr 1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:980px){.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:42px minmax(0,1fr) 96px}.menu-toggle{display:flex}.nav-core{display:none}.header-inner .site-logo{justify-self:center}.header-inner .site-logo img{height:36px;max-width:132px}.header-cta{justify-self:end;min-width:88px;padding:0 14px;height:40px}.channel-bar{display:none}.site-main{padding-bottom:74px}.section{padding:42px 0}.page-hero{padding:36px 0 24px}.carousel{height:260px}.magazine{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(3,1fr);gap:14px}.grid-4{grid-template-columns:repeat(2,1fr)}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#15161A;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}body.drawer-open{overflow:hidden}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:9000;background:#101115;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;color:#D8DEEA;text-decoration:none;padding:12px 6px;font-size:14px}.footer-grid{grid-template-columns:1fr 1fr}.split,.split.reverse{grid-template-columns:1fr}.split.reverse .split-media{order:0}.question-lead{grid-template-columns:1fr}.link-grid{grid-template-columns:1fr 1fr}.compare{grid-template-columns:1fr}}
@media(max-width:680px){.container{width:min(100% - 28px,1180px)}.page-hero h1,.home-title{font-size:clamp(26px,8vw,32px)}.page-hero p{font-size:16px}.section{padding:34px 0}.section-title{font-size:24px}.carousel{height:180px}.carousel-btn{width:36px;height:36px}.grid-2,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.card{padding:20px}.media.card-media{height:156px}.media.feature-media{height:210px}.reading p{font-size:16px}.reading h2{font-size:23px}.link-grid{grid-template-columns:1fr}.footer-topic-list{columns:2}.site-footer{padding-top:42px}.main-btn{min-width:86px;padding:0 14px}.logo-placeholder{min-width:104px;font-size:14px}.magazine-main{padding:20px}}