:root{--bg:#F4F8FC;--deep:#E8F1FA;--surface:#fff;--pale:#F7FBFE;--ink:#0E2A44;--body:#1C3A56;--muted:#3D5C78;--quiet:#6A88A0;--blue:#1E6FD9;--bright:#6BA8F0;--navy:#0E4A9E;--amber:#E2B23A;--coral:#E07A62;--line:rgba(30,111,217,.26);--shadow:0 12px 28px rgba(14,42,68,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding-top:102px;background:var(--bg);color:var(--body);font:15px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:var(--navy);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--navy);outline-offset:2px}.skip{position:fixed;top:-100px;left:10px;background:#fff;padding:8px;z-index:120}.skip:focus{top:8px}.topbar{position:fixed;z-index:70;top:0;left:0;right:0;height:62px;background:var(--deep);border-bottom:3px solid var(--blue)}.topinner{height:100%;max-width:1100px;padding:0 16px;margin:auto;display:flex;gap:12px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:7px;color:var(--ink);white-space:nowrap}.brand-lines{display:flex;flex-direction:column;line-height:1.2}.brand-lines strong{font-size:16px}.brand-lines small{font-size:12px;letter-spacing:1px}.brand-logo,.foot-logo,.mini-logo{width:auto;height:28px;max-width:75px;object-fit:contain}.center-pill{padding:4px 16px;height:34px;display:flex;align-items:center;border-radius:99px;border:1px solid var(--blue);background:#fff;white-space:nowrap;color:var(--ink)}.bar-actions{display:flex;gap:8px;flex-shrink:0}.icon-button{background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:10px;min-width:52px;min-height:44px;padding:0 9px;font-size:13px}.window-nav{height:40px;background:#E8F1FA;position:fixed;top:62px;left:0;right:0;z-index:60;border-bottom:1px solid var(--line)}.window-inner{max-width:960px;margin:auto;height:100%;display:flex;gap:22px;align-items:center;padding:0 16px}.window-link{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:13px}.window-link i{width:14px;height:14px;border:2px solid var(--blue);border-bottom-left-radius:4px;display:block}.window-link.active{color:var(--ink);font-weight:700}.window-link.active i{background:var(--blue);box-shadow:0 6px 16px rgba(30,111,217,.24)}.site-main{max-width:960px;margin:auto;padding:28px 16px 85px;min-height:52vh}h1{font-size:24px;line-height:1.3;margin:9px 0 16px;color:var(--ink)}h2{font-size:20px;line-height:1.4;color:var(--ink);margin:0 0 12px}h3{font-size:16px;color:var(--ink)}p{margin:0 0 16px}.eyebrow{font-size:13px;color:var(--navy);font-weight:700;letter-spacing:.08em}.lede{font-size:17px;color:var(--ink)}.intro{max-width:750px}.breadcrumb{color:var(--quiet);font-size:13px;margin-bottom:24px}.bread 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.topic-section{border-top:4px solid var(--blue)}.layout-paper .topic-section{box-shadow:var(--shadow);border-radius:3px 14px 14px 3px}.topic-related{margin:24px 0;padding:20px;background:var(--deep);border-radius:14px}.topic-related a{display:inline-flex;padding:10px 14px;min-height:44px;align-items:center;background:#fff;border-radius:9px;margin:5px;border:1px solid var(--line)}.faq-item{padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:15px}.faq-item h2{font-size:17px}.faq-item p{margin:0}.footer{background:var(--ink);color:#E8F1FA;border-top:3px solid var(--blue);font-size:13px}.footer-wrap{max-width:960px;margin:auto;padding:33px 16px}.foot-brand{display:flex;gap:8px;align-items:center;margin-bottom:22px}.foot-brand strong{font-size:16px}.foot-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.foot-groups h2{color:#E8F1FA;font-size:15px}.foot-groups a{display:block;color:#E8F1FA;padding:3px 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var(--line);border-radius:8px;color:var(--ink)}.panel-body section{margin:18px 0}.panel-body h2{font-size:16px}.panel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.panel-links a{padding:10px 12px;background:var(--pale);border:1px solid var(--line);border-radius:10px;min-height:67px}.panel-links strong,.panel-links span{display:block}.panel-links span{font-size:12px;color:var(--muted)}.search-panel{top:72px;right:16px;width:min(420px,calc(100vw - 32px));background:var(--deep);padding:20px;border:1px solid var(--line);border-radius:14px;color:var(--ink)}.search-panel p{margin-top:15px}.search-panel label{display:block;margin:10px 0}.search-panel input{width:100%;min-height:44px;border-radius:10px;border:1px solid var(--blue);background:#fff;padding:8px 12px}.search-results{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.search-results a{background:#fff;border:1px solid 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@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* 91浏览器资讯版：保留原站蓝色体系，重制首页资讯布局 */
.news-hero{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:center;background:linear-gradient(135deg,#fff,#e8f1fa);padding:34px;border:1px solid var(--line);border-radius:18px;margin-bottom:30px}.news-hero h1{font-size:28px;line-height:1.4}.news-hero p{max-width:600px}.hero-note{background:#fff;border-radius:15px;border:1px solid var(--line);padding:22px}.hero-note strong{display:block;font-size:20px;color:var(--navy);margin-bottom:12px}.news-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:28px 0 14px;border-bottom:2px solid var(--line);padding-bottom:11px}.news-heading a{font-size:13px}.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;display:flex;gap:17px;align-items:center;box-shadow:var(--shadow)}.news-card .art-slot{width:140px;min-width:140px;min-height:115px}.news-card .art-slot img{height:115px}.news-card h3{margin:3px 0 9px}.news-card p{font-size:14px;color:var(--muted);margin:0 0 8px}.news-card .more{font-size:13px;font-weight:700}.feature-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:20px 0}.feature-wall a{background:var(--deep);padding:17px;border-radius:14px;border:1px solid var(--line);font-weight:700}.feature-wall small{display:block;font-weight:400;color:var(--muted)}.editorial-band{border-left:5px solid var(--blue);background:#fff;padding:25px;border-radius:12px;margin:26px 0}.story-intro{border-top:5px solid var(--blue);background:#fff;padding:28px;border-radius:14px;margin-bottom:24px}.story-list{display:grid;gap:18px}.story-block{padding:25px;background:#fff;border:1px solid var(--line);border-radius:15px}.story-block:nth-child(even){margin-left:35px;background:var(--pale)}.story-block h2{margin-top:0}.story-block p{margin-bottom:10px}.story-tag{font-size:12px;color:var(--navy);font-weight:700}.news-figure{max-width:370px;margin:0 0 18px}.news-figure .art-slot img{height:200px}.news-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.news-links a{background:#fff;border:1px solid var(--line);padding:11px 16px;border-radius:10px}.qa-item{background:#fff;border:1px solid var(--line);padding:22px;margin:13px 0;border-radius:12px}.qa-item h2{font-size:17px}
@media(max-width:700px){.news-hero{grid-template-columns:1fr;padding:23px}.news-grid{grid-template-columns:1fr}.news-card{align-items:flex-start}.news-card .art-slot{width:105px;min-width:105px}.feature-wall{grid-template-columns:1fr 1fr}.story-block:nth-child(even){margin-left:0}}@media(max-width:400px){.news-card{flex-direction:column}.news-card .art-slot{width:100%}.feature-wall{grid-template-columns:1fr}}