: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);--r:18px}*{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:1.75;overflow-x:hidden}body.lock{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1240px,calc(100% - 44px));margin:auto}.site-header{position:sticky;top:0;z-index:9999}.masthead{background:#151A23;border-bottom:1px solid rgba(241,220,163,.08)}.masthead-inner{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:48px;height:48px;object-fit:contain}.brand-mark{width:48px;height:48px;border:1px solid var(--line2);border-radius:50%;display:grid;place-items:center;color:var(--gold);font-weight:900;background:var(--s1)}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text b{font-size:22px;letter-spacing:.06em;color:var(--gold)}.brand-text small{font-size:10px;color:var(--muted);letter-spacing:.13em;margin-top:5px}.masthead-note{text-align:center;color:var(--sub);display:flex;flex-direction:column;line-height:1.35}.masthead-note span{font-size:12px;color:var(--muted);letter-spacing:.12em}.masthead-note b{font-size:14px;font-weight:600}.masthead-actions{display:flex;align-items:center;gap:12px}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;background:var(--gold);color:#151A23;border-radius:999px;font-weight:800;box-shadow:0 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@media(max-width:620px){.wrap{width:calc(100% - 28px)}.brand-mark,.brand-logo{width:42px;height:42px}.brand-text b{font-size:19px}.hero-lead{min-height:430px}.hero h1{font-size:38px}.hero-side{grid-template-columns:1fr}.side-feature{min-height:210px}.section{padding:48px 0}.section-title{display:block}.section-title p{margin-top:10px}.section-title h2{font-size:27px}.timeline-row{grid-template-columns:72px 1fr;gap:10px 16px}.timeline-row div{grid-column:1/-1}.theme-grid,.project-map,.duo,.brand-journal,.archive-grid,.brand-full,.channel-side{grid-template-columns:1fr}.theme-card.large h3{font-size:27px}.feature-banner{grid-template-columns:1fr;padding:28px}.feature-banner h2{font-size:27px}.intro-grid h1{font-size:36px}.editorial-item h2{font-size:23px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center;gap:5px;padding:14px 0}.project-item{min-height:auto}}