:root{--bg:#151A23;--surface:#1B2130;--soft:#202738;--hover:#252D40;--gold:#F1DCA3;--gold2:#E3C98F;--text:#E8ECF5;--muted:#B8C0D3;--dim:#8F98AD;--line:rgba(255,255,255,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--gold)}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}.wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(27px,3.2vw,39px);line-height:1.32;letter-spacing:-.02em}h2{font-size:clamp(22px,2.3vw,26px);line-height:1.4}h3{font-size:19px;line-height:1.4}p{color:var(--muted);margin-bottom:15px}.eyebrow{color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.1em}.site-header{position:sticky;top:0;z-index:1000;background:#151A23;border-bottom:1px solid 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0;border-bottom:1px solid var(--line)}.article-main h2{font-size:23px;margin-bottom:15px}.article-aside{background:var(--surface);border:1px solid var(--line);padding:19px;border-radius:13px}.article-aside h3{font-size:17px}.article-aside a{display:block;border-top:1px solid var(--line);padding:9px 0;font-size:14px}.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-list a{padding:14px 16px;border:1px solid var(--line);background:var(--surface);border-radius:10px;display:flex;justify-content:space-between;gap:10px;font-size:14px}.related-list span{color:var(--gold)}.index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 22px}.index-item{padding:18px 0;border-bottom:1px solid var(--line);display:flex;gap:15px}.index-item b{font-size:24px;color:var(--gold);font-weight:400}.index-item h3{margin-bottom:5px}.index-item p{font-size:14px;margin:0}.brand-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.brand-tile{background:var(--surface);border:1px solid var(--line);padding:12px;border-radius:12px}.brand-tile .media{background:var(--soft)}.brand-tile h3{font-size:15px;margin:10px 0 4px}.brand-tile p{font-size:13px;line-height:1.55;margin:0}.safety{border-left:3px solid var(--gold);background:var(--soft);padding:14px 18px;color:var(--muted);border-radius:0 9px 9px 0}.site-footer{background:#0E121A}.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px;padding:40px 0}.foot-grid h3{font-size:16px}.foot-grid a:not(.footer-brand){display:block;font-size:14px;color:#D5DBEA;margin:6px 0}.foot-grid a:hover{color:var(--gold)}.footer-brand{font-size:21px;font-weight:800}.footer-brand span{font-size:11px;color:var(--gold)}.foot-grid p{font-size:14px;margin-top:10px}.foot-bottom{display:flex;gap:16px;flex-wrap:wrap;align-items:center;border-top:1px solid 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@media(max-width:980px){.desktop-nav{display:none}.menu-toggle{display:block}.header-row{height:58px;justify-content:space-between}.brand{margin:auto}.brand-image{width:36px;height:32px}.brand-image img{max-height:30px}.brand span{font-size:17px}.brand small{font-size:8px}.primary-btn{padding:5px 15px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100dvh;overflow-y:auto;background:#151A23;z-index:12000;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s}.mobile-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:11000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s}.drawer-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}body.drawer-open{overflow:hidden}.drawer-head{display:flex;justify-content:space-between;padding:15px 19px;border-bottom:1px solid var(--line)}.drawer-head button{border:0;background:none;color:var(--text);font-size:26px;line-height:1}.drawer-group{padding:15px 18px 9px}.drawer-group-title{font-size:13px;color:var(--gold);font-weight:700}.drawer-group a{display:block;min-height:40px;padding:7px 3px;color:var(--muted);font-size:14px}.drawer-group a.is-active{color:var(--gold)}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid{grid-template-columns:1fr}.article-aside{display:none}.foot-grid{grid-template-columns:repeat(2,1fr)}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:60px;z-index:900;background:#151A23;border-top:1px solid var(--line);justify-content:space-around;align-items:center}.bottom-nav a{font-size:14px;color:var(--muted);padding:12px}.bottom-nav a.is-active{color:var(--gold)}body{padding-bottom:60px}.back-top{bottom:74px}}
@media(max-width:680px){.wrap{width:calc(100% - 32px)}main.wrap{padding-top:22px;padding-bottom:35px}.hero{grid-template-columns:1fr;gap:16px;padding:17px}.hero>.media{order:-1;max-height:200px}.hero .media img{max-height:200px}.hero-copy p{font-size:15px}.section{margin-top:28px}.grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{padding:15px}.card h3{font-size:16px}.card p{font-size:14px;line-height:1.7}.feature{grid-template-columns:1fr}.feature.reverse .media{order:0}.index-list{grid-template-columns:1fr}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-tile .media{max-height:135px}.brand-tile .media img{max-height:125px}.related-list{grid-template-columns:1fr}.article-main section{padding:16px 0}.article-main h2{font-size:20px}.article-intro{font-size:16px}.foot-grid{gap:18px;padding:28px 0}.foot-grid>div:first-child{grid-column:span 2}.subnav-track{gap:17px}.brand span{font-size:16px}.brand{gap:5px}.primary-btn{padding:5px 12px}.page-visual .media img{max-height:190px}}
@media(max-width:359px){.grid-3{grid-template-columns:1fr}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand span{font-size:15px}.brand-image{width:30px}.header-row{gap:4px}}