:root{--bg:#fff;--deep:#f7f7f7;--panel:#fff;--soft:#f3f3f3;--title:#1a1a1a;--text:#333;--muted:#555;--quiet:#888;--red:#e63946;--red2:#ff4d5a;--red3:#c1121f;--pale:#ffe8ea;--border:rgba(230,57,70,.16);--shadow:0 12px 32px rgba(0,0,0,.07);--radius:16px;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.ui-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.site-header{position:sticky;top:0;z-index:70;background:#fff;box-shadow:0 2px 18px 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@media(max-width:900px){.tag-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.mosaic{grid-template-columns:1fr}.mosaic article:first-child{grid-row:auto}.split,.app-hero,.brand-statement{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.desktop-strip,.desktop-brand-band,.channel-bar{display:none}.mobile-toolbar{display:grid;grid-template-columns:52px 1fr 52px;align-items:center;height:64px;padding:0 10px;background:#fff}.mobile-brand{display:flex;align-items:center;justify-content:center;min-width:0}.mobile-logo{max-width:150px;max-height:44px}.mobile-app-link{color:var(--red);font-weight:900}.page-hero{padding:38px 0 24px}h1{font-size:38px}.lead{font-size:16px}.section{padding:40px 0}.section-head{align-items:flex-start;flex-direction:column}.tag-grid,.topic-grid,.index-cards,.contact-paths{grid-template-columns:1fr}.number-row{grid-template-columns:62px 1fr;gap:12px}.big-number{font-size:38px}.split{grid-template-columns:1fr}.shelf-row{grid-template-columns:42px 1fr}.shelf-row>.text-link{grid-column:2}.rank-item{grid-template-columns:78px 1fr}.rank-number{font-size:48px}.footer-head{flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:94px}.site-drawer{max-height:76vh;border-radius:18px 18px 0 0}.drawer-groups section{grid-template-columns:1fr}.search-layer{inset:0;width:100%;height:100%;transform:none;background:var(--deep);padding:76px 16px 16px}.search-layer.is-open{transform:none}.search-card{box-shadow:none;padding:20px;border-radius:18px}.mobile-bottom{position:fixed;z-index:80;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);border-top:1px solid #ececec;backdrop-filter:blur(10px)}.mobile-bottom a{min-height:50px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#777;line-height:1.1}.mobile-bottom a span{font-size:17px;margin-bottom:2px}.mobile-bottom a.is-current{color:var(--red);font-weight:800}.overlay{z-index:90}.site-drawer{z-index:100}.media-placeholder{aspect-ratio:16/9}.hero-media .media-placeholder{aspect-ratio:16/9}}
@media(max-width:430px){.shell{width:min(calc(100% - 32px),var(--max))}.footer-grid{grid-template-columns:1fr}.tag-card,.story-card,.topic-card,.policy-item,.contact-card,.qa-item{padding:18px}.drawer-head{padding:14px 16px}.drawer-groups{padding-inline:16px}.rank-item{grid-template-columns:64px 1fr}.rank-number{font-size:42px}}