:root{--blue:#1677EE;--blue2:#3395FF;--deep:#0A315E;--dark:#071D37;--ink:#16243A;--body:#3C485A;--muted:#6B7787;--pale:#F7FAFF;--ice:#EDF5FF;--soft:#E5F1FF;--line:rgba(22,119,238,.12);--shadow:0 12px 34px rgba(30,72,120,.08);--brand-shadow:0 14px 40px rgba(22,119,238,.14);--radius:26px;--max:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--body);background:#fff;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.shell{width:min(calc(100% - 48px),var(--max));margin:auto}.skip-link{position:fixed;left:12px;top:-60px;z-index:200;background:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.desktop-nav{height:74px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content;color:var(--ink)}.brand strong{display:block;font-size:18px;line-height:1.1}.brand 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0}.section.soft{background:var(--pale)}.section.blue-soft{background:var(--ice)}.section.deep{background:var(--deep);color:#DCEEFF}.section.deep h2,.section.deep h3{color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}.section-head h2{font-size:32px;line-height:1.2;margin:4px 0;color:var(--ink)}.section-head p{max-width:620px;margin:0;color:var(--muted)}.section.deep .section-head p{color:#DCEEFF}.editorial-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:18px}.story-card{border:1px solid var(--line);border-radius:24px;padding:24px;background:#fff;box-shadow:var(--shadow)}.story-card.large{grid-row:span 2}.story-card h3{font-size:22px;line-height:1.3;color:var(--ink);margin:6px 0 10px}.story-card p{margin:0}.story-card .meta{font-size:12px;color:var(--blue);font-weight:700}.feature-split{display:grid;grid-template-columns:1.2fr 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.content-section:nth-child(odd){padding-left:7%;}.page-layout.magazine .content-section:nth-child(even){margin-left:8%;border-left:4px solid var(--ice);padding-left:24px}.page-layout.timeline{counter-reset:sec}.page-layout.timeline .content-section{display:grid;grid-template-columns:120px 1fr;gap:28px}.page-layout.timeline .content-section:before{counter-increment:sec;content:"0" counter(sec);font-size:40px;font-weight:800;color:#cfe4ff}.page-layout.index-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.page-layout.index-wall .content-section{border:1px solid var(--line);border-radius:22px;padding:24px}.page-layout.longread{width:min(calc(100% - 48px),900px)}.page-layout.questions .content-section{background:var(--pale);border:0;border-radius:22px;padding:24px;margin-bottom:14px}.page-layout.info .content-section{display:grid;grid-template-columns:220px 1fr;gap:32px}.deep-band{background:var(--deep);color:#DCEEFF;padding:60px 0}.deep-band 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0;color:var(--ink)}.overlay{position:fixed;inset:0;z-index:120;background:rgba(7,29,55,.45);opacity:0;transition:.2s}.overlay.show{opacity:1}.search-panel{position:fixed;inset:0;z-index:140;display:grid;place-items:start center;padding-top:90px;visibility:hidden;pointer-events:none}.search-panel.open{visibility:visible;pointer-events:auto}.search-card{width:min(calc(100% - 32px),760px);background:#fff;border-radius:28px;padding:30px;box-shadow:0 24px 80px rgba(7,29,55,.24)}.panel-title{display:flex;justify-content:space-between;align-items:start;gap:20px}.panel-title h2{margin:5px 0;color:var(--ink);font-size:30px}.search-links{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:22px}.search-links a{min-height:48px;border-radius:14px;background:var(--ice);display:grid;place-items:center;color:var(--blue);font-weight:700}.mobile-bottom{display:none}.site-footer{background:var(--dark);color:#DCEEFF;border-top:1px solid rgba(255,255,255,.14);padding:54px 0 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@media(max-width:1023px){.desktop-nav{display:none}.mobile-nav{display:flex}.hero-banner{width:calc(100% - 28px);border-radius:24px}.hero-copy{left:24px;bottom:24px;width:60%}.home-shortcuts{width:calc(100% - 28px);grid-template-columns:repeat(2,1fr)}.editorial-grid{grid-template-columns:1fr 1fr}.story-card.large{grid-column:span 2;grid-row:auto}.feature-split{grid-template-columns:1fr}.time-grid{grid-template-columns:repeat(2,1fr)}.topic-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}.interest-grid{grid-template-columns:repeat(3,1fr)}.menu-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid section:nth-child(n+4){margin-top:20px}.page-layout.info .content-section{grid-template-columns:160px 1fr}}
@media(max-width:767px){body{padding-bottom:58px}.shell{width:calc(100% - 28px)}.hero-banner{aspect-ratio:16/10;margin-top:14px}.hero-copy{left:14px;right:14px;bottom:14px;width:auto;padding:16px 18px}.hero-copy h1{font-size:32px}.hero-copy p{font-size:14px}.home-shortcuts{grid-template-columns:1fr 1fr;gap:10px}.home-shortcuts a{min-height:80px;padding:15px}.section{padding:50px 0}.section-head{display:block}.section-head h2{font-size:26px}.editorial-grid,.topic-grid,.guide-grid,.page-layout.index-wall{grid-template-columns:1fr}.story-card.large{grid-column:auto}.feature-copy h2{font-size:28px}.city-feature-image{min-height:260px}.app-preview-image{min-height:340px}.time-grid{grid-template-columns:1fr 1fr}.route{grid-template-columns:1fr 1fr}.interest-grid{grid-template-columns:repeat(2,1fr)}.media-grid{grid-template-columns:1fr 1fr;grid-auto-rows:180px}.media-slot.wide{grid-column:span 2;grid-row:auto;height:230px}.page-hero{padding:48px 0 34px}.page-hero .inner,.page-layout{width:calc(100% - 28px)}.page-hero h1{font-size:30px}.page-hero p{font-size:16px}.content-section{padding:26px 0}.content-section h2{font-size:25px}.page-layout.editorial .content-section:nth-child(odd),.page-layout.magazine .content-section:nth-child(even){margin-left:0;padding-left:0;border-left:0}.page-layout.timeline .content-section,.page-layout.info .content-section{grid-template-columns:1fr;gap:8px}.page-layout.timeline .content-section:before{font-size:28px}.menu-grid{grid-template-columns:1fr 1fr;max-height:70vh;overflow:auto}.mega-menu{height:100vh;overflow:auto}.search-panel{padding-top:72px}.search-links{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:58px;z-index:110;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:grid;place-items:center;font-size:13px;color:#40516a;min-width:44px;min-height:44px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}.footer-bottom{display:block;padding-bottom:10px}.footer-bottom div{margin-top:12px;flex-wrap:wrap}}
@media(max-width:559px){.mobile-nav{height:60px}.mobile-nav .icon-btn{min-width:44px;min-height:44px}.hero-copy h1{font-size:30px}.home-shortcuts{grid-template-columns:1fr}.time-grid{grid-template-columns:1fr}.route{grid-template-columns:1fr}.menu-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.search-links{grid-template-columns:1fr 1fr}.media-grid{grid-template-columns:1fr}.media-slot.wide{grid-column:auto}.mobile-brand strong{font-size:15px}}
:focus-visible{outline:3px solid rgba(22,119,238,.35);outline-offset:2px}