:root{--bg:#151A23;--s1:#1B2130;--s2:#202738;--s3:#252D40;--gold:#F1DCA3;--gold2:#E3C98F;--text:#E8ECF5;--sub:#B8C0D3;--muted:#8F98AD;--footer:#0E121A;--line:rgba(241,220,163,.14);--line2:rgba(241,220,163,.24);--shadow:0 14px 36px rgba(0,0,0,.28);--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.shell{width:min(1280px,calc(100% - 44px));margin:auto}.site-header{position:sticky;top:0;z-index:9999}.utility-bar{background:#0E121A;color:var(--muted);font-size:13px;border-bottom:1px solid rgba(255,255,255,.04)}.utility-inner{height:34px;display:flex;align-items:center;justify-content:space-between}.utility-links{display:flex;gap:18px}.utility-links a:hover{color:var(--gold)}.main-head{background:rgba(21,26,35,.97);backdrop-filter:blur(10px);border-bottom:1px solid rgba(241,220,163,.1)}.head-inner{height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.site-brand{display:flex;align-items:center;gap:11px;min-width:max-content}.site-logo{width:44px;height:44px;object-fit:contain}.wordmark{width:44px;height:44px;border:1px solid var(--line2);border-radius:12px;display:grid;place-items:center;color:var(--gold);font-weight:900;letter-spacing:1px;background:var(--s1)}.brand-copy{display:flex;flex-direction:column;line-height:1.2}.brand-copy b{font-size:20px;color:var(--gold)}.brand-copy small{font-size:10px;letter-spacing:2px;color:var(--muted);margin-top:5px}.primary-nav{display:flex;justify-content:center;align-items:center;gap:6px}.primary-nav a{padding:10px 12px;color:var(--sub);font-size:15px;position:relative;white-space:nowrap}.primary-nav a:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--gold);transform:scaleX(0);transition:.2s}.primary-nav a:hover,.primary-nav a.active{color:var(--gold)}.primary-nav a.active:after{transform:scaleX(1)}.head-actions{display:flex;align-items:center;gap:10px}.channel-trigger{border:1px solid var(--line);background:var(--s1);color:var(--sub);border-radius:999px;padding:10px 15px;cursor:pointer}.channel-trigger:hover{color:var(--gold);border-color:var(--line2)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--gold);color:#151A23;border:0;border-radius:999px;padding:11px 18px;font-weight:800;box-shadow:0 10px 24px rgba(241,220,163,.12)}.main-btn:hover{background:var(--gold2);transform:translateY(-1px)}.channel-panel{position:absolute;left:0;right:0;top:110px;background:rgba(14,18,26,.98);border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.3);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.18s}.channel-panel.open{opacity:1;visibility:visible;transform:none}.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;padding:28px 0 32px}.channel-grid>div{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 18px}.channel-grid strong{grid-column:1/-1;color:var(--gold);margin-bottom:4px}.channel-grid a{color:var(--sub);padding:7px 0;border-bottom:1px solid rgba(255,255,255,.04)}.channel-grid a:hover{color:var(--gold)}.mobile-trigger,.mobile-panel,.mobile-mask{display:none}.section{padding:72px 0}.section.soft{background:var(--s1)}.section.dark{background:#111721}.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:28px}.kicker{display:inline-flex;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}.section-head h2,.intro-head 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h1{font-size:clamp(34px,5vw,62px);line-height:1.1;margin:10px 0 18px;overflow-wrap:anywhere}.hero-copy p{color:var(--sub);font-size:17px;max-width:760px}.hero-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.chip,.tag{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid rgba(241,220,163,.16);border-radius:999px;color:var(--gold);font-size:12px;background:rgba(241,220,163,.03)}.hero-rail{display:grid;grid-template-rows:auto 1fr;gap:14px}.rail-title{border-left:3px solid var(--gold);padding:5px 0 5px 14px;color:var(--gold);font-weight:800}.rail-list{display:grid;gap:12px}.rail-card{background:var(--s1);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;justify-content:space-between}.rail-card small{color:var(--gold)}.rail-card h3{font-size:18px;line-height:1.45;margin:8px 0}.rail-card p{color:var(--muted);font-size:14px;margin:0}.pulse-bar{margin-top:22px;display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--s1)}.pulse-item{padding:16px 18px;border-right:1px solid var(--line)}.pulse-item:last-child{border-right:0}.pulse-item b{display:block;color:var(--gold);margin-bottom:2px}.pulse-item span{color:var(--muted);font-size:13px}.editor-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.feature-panel,.card,.note-card,.brand-card,.topic-card,.faq-item{background:var(--s1);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(0,0,0,.16)}.feature-panel{padding:28px;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.feature-panel h3{font-size:30px;line-height:1.25;margin:10px 0}.feature-panel p{color:var(--sub);max-width:700px}.story-stack{display:grid;gap:12px}.story-row{padding:18px 20px;background:var(--s2);border:1px solid var(--line);border-radius:14px}.story-row span{font-size:12px;color:var(--gold)}.story-row h3{font-size:17px;line-height:1.4;margin:5px 0 0}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.topic-card{padding:22px}.card h3,.topic-card h3{margin:10px 0 8px;font-size:20px;line-height:1.38}.card p,.topic-card p,.note-card p{color:var(--sub);margin:0}.number-card{position:relative;padding-top:62px}.number-card:before{content:attr(data-no);position:absolute;top:16px;right:18px;font-size:34px;font-weight:900;color:rgba(241,220,163,.18)}.split-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px}.quote-panel{background:var(--s3);border:1px solid var(--line2);border-radius:20px;padding:34px}.quote-panel h2{font-size:36px;line-height:1.25;margin:8px 0 18px}.quote-panel p{color:var(--sub)}.list-panel{display:grid;gap:10px}.list-row{display:grid;grid-template-columns:90px 1fr;gap:18px;align-items:start;padding:16px 18px;background:var(--s1);border-bottom:1px solid 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24px}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--sub)}.intro-head{display:grid;grid-template-columns:1fr minmax(260px,390px);gap:36px;align-items:end;padding-bottom:28px;border-bottom:1px solid var(--line)}.intro-head h1{font-size:clamp(34px,5vw,54px)}.intro-head p{color:var(--sub);margin:0}.channel-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:26px}.article-feed{display:grid;gap:18px}.article-item{padding:26px 0;border-bottom:1px solid var(--line)}.article-item:first-child{padding-top:0}.article-item h2{font-size:25px;line-height:1.35;margin:8px 0}.article-item p{color:var(--sub);margin:0}.article-meta{display:flex;gap:12px;color:var(--muted);font-size:13px}.side-stack{display:grid;gap:14px;align-content:start}.note-card{padding:20px}.note-card h3{margin:0 0 8px;color:var(--gold)}.timeline{border-left:1px solid 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@media(max-width:1100px){.primary-nav{display:none}.head-inner{grid-template-columns:auto 1fr auto}.head-actions .channel-trigger{display:none}.mobile-trigger{display:flex;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--s1);flex-direction:column;gap:5px;align-items:center;justify-content:center}.mobile-trigger span{width:20px;height:2px;background:var(--gold)}.mobile-panel{display:block;position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#111721;z-index:10001;transform:translateX(105%);transition:.22s;overflow:auto;padding-bottom:28px}.mobile-panel.open{transform:none}.mobile-panel-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line);color:var(--gold)}.mobile-panel-head button{font-size:28px;border:0;background:transparent;color:var(--gold)}.mobile-nav-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(241,220,163,.08);margin:20px}.mobile-nav-list a{background:#151A23;padding:13px 14px;color:var(--sub)}.mobile-login{margin:0 20px}.mobile-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:10000;opacity:0;transition:.18s}.mobile-mask.show{opacity:1}.menu-open{overflow:hidden}.hero-shell{grid-template-columns:1fr}.hero-rail{grid-template-rows:auto}.rail-list{grid-template-columns:repeat(3,1fr)}.pulse-bar{grid-template-columns:repeat(3,1fr)}.pulse-item:nth-child(3){border-right:0}.pulse-item:nth-child(n+4){border-top:1px solid var(--line)}.editor-grid,.split-band,.channel-layout,.footer-top{grid-template-columns:1fr}.cards-4{grid-template-columns:repeat(2,1fr)}.brand-strip-grid{grid-template-columns:repeat(3,1fr)}.brand-card.featured{grid-row:auto;grid-column:span 3;min-height:280px}.intro-head{grid-template-columns:1fr}.side-stack{grid-template-columns:repeat(3,1fr)}.mosaic{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.shell{width:calc(100% - 28px)}.utility-bar{display:none}.head-inner{height:68px;gap:12px}.brand-copy small{display:none}.brand-copy b{font-size:18px}.wordmark,.site-logo{width:38px;height:38px}.head-actions{margin-left:auto}.head-actions .main-btn{padding:9px 13px;font-size:13px}.site-header{top:0}.home-hero{padding-top:20px}.hero-lead{min-height:500px}.hero-copy{padding:26px}.hero-copy h1{font-size:38px}.rail-list{grid-template-columns:1fr}.pulse-bar{grid-template-columns:1fr 1fr}.pulse-item{border-top:1px solid var(--line);border-right:1px solid var(--line)}.pulse-item:nth-child(1),.pulse-item:nth-child(2){border-top:0}.pulse-item:nth-child(even){border-right:0}.pulse-item:last-child{grid-column:1/-1}.section{padding:48px 0}.section-head{align-items:start;flex-direction:column}.editor-grid,.cards-3,.cards-4,.mosaic,.brand-strip-grid,.side-stack{grid-template-columns:1fr}.mosaic .topic-card:first-child{grid-row:auto}.brand-card.featured{grid-column:auto;min-height:220px}.list-row{grid-template-columns:1fr;gap:4px}.footer-columns{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;gap:8px}.visual-grid{columns:1}.cta-panel{grid-template-columns:1fr}.intro{padding-top:32px}.intro-head h1{font-size:36px}.article-item h2{font-size:22px}.mobile-nav-list{grid-template-columns:1fr 1fr}}
@media(max-width:400px){.brand-copy b{font-size:16px}.head-actions .main-btn{display:none}.hero-copy h1{font-size:33px}.footer-columns{grid-template-columns:1fr}.pulse-bar{grid-template-columns:1fr}.pulse-item{border-right:0}.pulse-item:nth-child(2){border-top:1px solid var(--line)}}