/*
Design philosophy: 瑞士国际主义新闻排版与当代体育数据可视化融合。
This stylesheet reinforces authority, speed and breadth through white space, China-red signal lines, deep-gray editorial text, asymmetric news walls, and restrained fast micro-interactions.
*/
:root{--red:#D32F2F;--red-dark:#a91818;--ink:#212121;--muted:#666;--line:#e9e9e9;--paper:#fff;--soft:#f7f7f7;--shadow:0 24px 70px rgba(33,33,33,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}body{line-height:1.6}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.top-signal{display:flex;gap:18px;align-items:center;background:#111;color:#fff;min-height:36px;overflow:hidden}.top-signal strong{background:var(--red);height:36px;display:flex;align-items:center;padding:0 18px;font-size:12px;letter-spacing:.08em}.ticker{white-space:nowrap;overflow:hidden;flex:1}.ticker span{display:inline-block;animation:ticker 24s linear infinite}.masthead{max-width:1260px;margin:auto;padding:18px 22px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:46px;height:46px;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:900;font-size:25px;clip-path:polygon(0 0,100% 0,88% 100%,0 100%)}.brand b{display:block;font-size:22px;line-height:1.1;letter-spacing:-.03em}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.main-nav{max-width:1260px;margin:auto;padding:0 22px 14px;display:flex;gap:8px;flex-wrap:wrap}.main-nav a{padding:8px 12px;border-left:3px solid transparent;font-weight:700;color:#3a3a3a}.main-nav a:hover,.main-nav a.is-active{border-left-color:var(--red);background:#fff1f1;color:var(--red-dark)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:8px 12px;font-weight:700}.page-hero{max-width:1260px;margin:34px auto 0;padding:0 22px;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.85fr);gap:0;align-items:stretch}.hero-media{margin:0;min-height:420px;overflow:hidden;background:#111;box-shadow:var(--shadow)}.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}.page-hero:hover .hero-media img{transform:scale(1.025)}.hero-copy{background:#fff;padding:38px 34px;border-top:6px solid var(--red);box-shadow:var(--shadow);align-self:center;margin-left:-64px;position:relative}.kicker{color:var(--red);font-weight:900;font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px}.hero-copy h1{font-family:Georgia,'Noto Serif SC','Songti SC',serif;font-size:clamp(32px,5vw,58px);line-height:1.05;margin:0;color:var(--ink);letter-spacing:-.04em}.lead{font-size:18px;color:#3d3d3d;margin:22px 0}.hero-meta{display:flex;gap:10px;flex-wrap:wrap;color:#777;font-size:13px}.hero-meta span{border-top:2px solid var(--red);padding-top:5px}.section{max-width:1260px;margin:56px auto 0;padding:0 22px}.section-head{display:grid;grid-template-columns:160px minmax(0,1fr);gap:18px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}.section-head h2{font-size:32px;line-height:1.15;margin:0;font-family:Georgia,'Noto Serif SC','Songti SC',serif}.section-head p:last-child{margin:0;color:var(--muted)}.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.channel-card{background:#fff;border:1px solid var(--line);padding:14px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#f1c6c6}.channel-card img{aspect-ratio:4/3;object-fit:cover;margin-bottom:16px}.channel-card h3,.story-row h3,.video-card h3,.video-tile h3{font-size:21px;line-height:1.25;margin:4px 0 8px}.video-panel{background:#111;color:#fff;max-width:none;padding:54px calc((100vw - 1260px)/2 + 22px)}.video-panel .section-head{border-bottom-color:#333}.video-panel .section-head p{color:#bdbdbd}.video-card{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:28px;align-items:center}.video-card video,.video-tile video{width:100%;background:#000;border:1px solid #333}.depth-banner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);align-items:center;background:#f8f8f8;padding:0}.depth-banner img{height:360px;width:100%;object-fit:cover}.depth-banner div{padding:28px}.depth-banner h2{font-family:Georgia,'Noto Serif SC','Songti SC',serif;font-size:34px;line-height:1.15;margin:0 0 12px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}.topic-rank,.schedule,.article-desk,.analysis-box{border:1px solid var(--line);background:#fff;padding:24px}.topic-rank ol{padding:0;margin:0;list-style:none}.topic-rank li{display:grid;grid-template-columns:38px 1fr auto;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);align-items:center}.topic-rank b{color:var(--red);font-size:24px}.topic-rank span{color:#777;font-size:13px}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 8px}th{color:var(--red);font-size:13px}.story-list{display:grid;gap:12px}.story-row{display:grid;grid-template-columns:58px 1fr;gap:18px;border-bottom:1px solid var(--line);padding:18px 0}.story-row span{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--red);font-weight:900}.analysis-box{background:linear-gradient(135deg,#fff 0,#fff 65%,#fff1f1 100%)}.analysis-box h2{font-family:Georgia,'Noto Serif SC','Songti SC',serif;font-size:34px;margin:0 0 12px}.analysis-box blockquote{border-left:5px solid var(--red);margin:22px 0 0;padding:8px 0 8px 18px;color:#555;font-weight:700}.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.video-tile{border:1px solid var(--line);padding:14px;background:#fff;transition:transform .16s ease}.video-tile:hover{transform:translateY(-3px)}.site-footer{margin-top:64px;background:#171717;color:#fff;padding:46px 22px 22px}.footer-grid{max-width:1260px;margin:auto;display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:28px}.site-footer h2,.site-footer h3{margin-top:0}.site-footer a{color:#fff;border-bottom:1px solid rgba(255,255,255,.28)}.site-footer p{color:#d2d2d2}.icp{max-width:1260px;margin:28px auto 0;border-top:1px solid #333;padding-top:18px;font-size:13px}.press-editorial-matrix{pointer-events:none}@keyframes ticker{from{transform:translateX(100%)}to{transform:translateX(-100%)}}@media (max-width:860px){.top-signal{display:block}.top-signal strong{display:inline-flex}.ticker{padding:8px 12px}.masthead{padding:14px 16px}.menu-toggle{display:block}.main-nav{display:none;flex-direction:column;padding:0 16px 14px}.main-nav.is-open{display:flex}.page-hero{grid-template-columns:1fr;margin-top:18px;padding:0 16px}.hero-media{min-height:260px}.hero-copy{margin-left:0;padding:24px 20px}.section{margin-top:38px;padding:0 16px}.section-head{grid-template-columns:1fr}.channel-grid,.two-col,.footer-grid,.video-card,.depth-banner,.video-grid{grid-template-columns:1fr}.video-panel{padding:38px 16px}.depth-banner img{height:auto}.topic-rank li{grid-template-columns:34px 1fr}.brand b{font-size:18px}.brand small{font-size:11px}}