:root{--red:#D92338;--nav:#1A202C;--dark:#0D1117;--bg:#F4F6F9;--muted-bg:#EAEEF3;--text:#1E293B;--sub:#64748B;--green:#00C853;--line:#DCE2E9;--white:#fff;--radius:5px;--shadow:0 2px 10px rgba(13,17,23,.035)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}button,input,textarea{font:inherit}img{display:block;max-width:100%;height:auto}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35;letter-spacing:-.025em}p{color:#475569}.skip-link{position:absolute;left:12px;top:-80px;background:#fff;color:#111;padding:10px 16px;z-index:100}.skip-link:focus{top:5px}:focus-visible{outline:3px solid #e87987;outline-offset:3px}.site-header{background:var(--nav);color:#fff;border-bottom:3px solid var(--red)}.header-inner{max-width:1260px;padding:0 22px;margin:auto;display:flex;align-items:center;gap:25px;min-height:66px}.brand{display:flex;align-items:center;gap:9px;font-size:28px;font-weight:950;letter-spacing:-2px;line-height:1;color:#fff;white-space:nowrap}.brand img{width:35px;height:35px;object-fit:contain}.brand:hover{color:#fff}.brand .mark{color:#ff4258}.header-status{font-size:12px;letter-spacing:.02em;color:#aab6c7;margin-right:auto;white-space:nowrap}.live-dot,.signal{width:7px;height:7px;display:inline-block;background:var(--green);border-radius:50%;box-shadow:0 0 0 3px rgba(0,200,83,.14);margin-right:7px}.main-nav{display:flex;align-items:stretch;min-height:66px;gap:2px}.main-nav a{display:flex;align-items:center;white-space:nowrap;padding:0 16px;font-weight:700;font-size:13px;color:#d5dde7;border-bottom:3px solid transparent;margin-bottom:-3px}.main-nav a[aria-current="page"],.main-nav a:hover{color:#fff;border-bottom-color:var(--red)}.main-nav .nav-submit{align-self:center;border:1px solid #526070;margin-left:13px;padding:8px 15px;border-radius:4px;min-height:auto;color:#fff}.main-nav .nav-submit:hover{border-color:#fff;background:#2e3a49}.site-main{max-width:1260px;margin:0 auto;padding:18px 22px 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@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.submission-form,.sidebar,.community-aside,.entry-actions{display:none!important}.site-main{max-width:none;padding:0}.layout-grid,.community-columns{display:block}.story-card,.section-block,.detail-panel{break-inside:avoid;box-shadow:none}body{background:#fff;color:#000}}