:root{--hg-red:#b5232b;--hg-red-dark:#75151c;--hg-red-light:#fff0f1;--hg-gold:#c79b3b;--hg-blue:#174b78;--hg-green:#16805a;--hg-orange:#ef7925;--hg-bg:#f5f7fa;--hg-text:#1c2733;--hg-muted:#64717f;--hg-border:#dfe4ea;--hg-white:#fff;--hg-radius:8px;--hg-maxw:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--hg-bg);color:var(--hg-text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit}.container{width:min(calc(100% - 40px),var(--hg-maxw));margin:auto}.skip-link{position:fixed;left:12px;top:-60px;background:#fff;padding:10px;z-index:999}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.98);border-bottom:1px solid var(--hg-border)}.header-inner{display:flex;align-items:center;gap:14px;min-height:78px}.brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:900;color:var(--hg-red-dark);white-space:nowrap}.brand img{width:44px}.site-header nav{display:flex;gap:13px;align-items:center;justify-content:center;flex:1}.site-header nav a{font-size:12px;color:#49596a;padding:27px 0 24px;border-bottom:3px solid transparent;white-space:nowrap}.site-header nav a:hover,.site-header nav a.active{color:var(--hg-red);border-color:var(--hg-gold)}.header-cta,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:5px;padding:11px 16px;font-weight:800;min-height:43px}.header-cta{background:var(--hg-red);color:#fff;font-size:12px;white-space:nowrap}.menu-button{display:none;background:#fff;border:1px solid var(--hg-border);padding:8px 12px}
.hero{background:linear-gradient(125deg,#4d0c12,var(--hg-red-dark) 55%,#9b2027);color:#fff;padding:52px 0 0}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:36px}.hero-tag,.eyebrow{color:var(--hg-gold);font-size:12px;font-weight:900;letter-spacing:.1em}.hero h1{font-size:41px;line-height:1.24;margin:10px 0 18px}.hero p{color:#f1dfe1;font-size:16px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.button.gold{background:var(--hg-gold);color:#271b05}.button.light{background:#fff;color:var(--hg-red-dark)}.button.outline{border-color:#fff;color:#fff}.info-strip{display:grid;grid-template-columns:repeat(8,1fr);background:#fff;color:var(--hg-text);border:1px solid var(--hg-border);border-bottom:0}.info-strip span{text-align:center;padding:13px 5px;border-right:1px solid var(--hg-border);font-size:13px;font-weight:800}
.section{padding:55px 0}.section.tint{background:#eef2f6}.section.dark{background:#172536;color:#fff}.section.dark .section-head h2{color:#fff}.section.dark .section-head p{color:#c1cfdd}.section-head{display:grid;grid-template-columns:.82fr 1.18fr;gap:40px;align-items:end;margin-bottom:24px}.section-head h2{font-size:29px;line-height:1.25;color:var(--hg-red-dark);margin:5px 0 0}.section-head>p{margin:0;color:var(--hg-muted)}.grid{display:grid;gap:16px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}
.card{min-width:0;background:#fff;border:1px solid var(--hg-border);border-top:3px solid var(--hg-red);border-radius:var(--hg-radius);padding:19px;display:flex;flex-direction:column;color:var(--hg-text)}.card-top{display:flex;justify-content:space-between;gap:8px;align-items:center}.tag{display:inline-block;background:var(--hg-red-light);color:var(--hg-red-dark);padding:3px 8px;border-radius:3px;font-size:12px;font-weight:900}.status{font-size:11px;color:var(--hg-green);font-weight:800}.card h3{font-size:18px;line-height:1.45;margin:10px 0}.card p{font-size:14px;color:var(--hg-muted);margin:7px 0}.card .facts,.card .impact{background:#f7f8fa;padding:8px}.meta{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:#798694}.source{border-top:1px solid var(--hg-border);padding-top:8px}.more{margin-top:auto;color:var(--hg-red);font-weight:800;font-size:13px}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.filter-bar button{border:1px solid var(--hg-border);background:#fff;color:var(--hg-red);padding:8px 13px;cursor:pointer}.filter-bar button.active{background:var(--hg-red);color:#fff}.js .filter-item.hidden{display:none}
.visual-lead{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--hg-border);padding:20px;margin-bottom:20px}.visual-lead.reverse img{order:2}.visual-lead h3{font-size:23px;color:var(--hg-red-dark)}.rule-notice{background:#fff5dd;border-left:4px solid var(--hg-gold);padding:14px;margin-bottom:18px}.article-index{margin-bottom:40px}.long-reads{display:grid;gap:22px}.long-article{scroll-margin-top:90px;background:#fff;border:1px solid var(--hg-border);padding:28px;max-width:900px;margin:auto}.long-article h3{font-size:25px;line-height:1.35;margin:10px 0}.long-article h4{font-size:19px;color:var(--hg-red-dark);margin:24px 0 6px}.long-article p{font-size:16px;line-height:1.88}.byline{font-size:13px!important;color:var(--hg-muted)}.article-lead{font-size:17px!important;border-left:4px solid var(--hg-gold);padding-left:14px;color:#445466}.long-article ul{background:#f5f7fa;padding:15px 15px 15px 35px}.analysis-box{background:#eef5fb;border-left:4px solid var(--hg-blue);padding:14px}.related{border-top:1px solid var(--hg-border);padding-top:12px}.related a{color:var(--hg-red);font-weight:700}
.app-section{background:#f3e8e9}.download-layout{display:grid;grid-template-columns:1fr 260px;gap:20px}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.download-card,.qr-box{background:#fff;border:1px solid var(--hg-border);padding:22px}.download-card img{width:92px}.download-card h3{font-size:21px}.download-card dl div{display:grid;grid-template-columns:95px 1fr;gap:10px;border-top:1px solid var(--hg-border);padding:8px 0;font-size:13px}.download-card dt{font-weight:800}.download-card dd{margin:0}.download-card button{width:100%;border:0;background:#dfe3e8;color:#66717d;padding:11px;cursor:not-allowed}.qr-box{text-align:center}.qr-box img{margin:auto}.h5-section{background:#172536;color:#fff}.h5-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:center}.h5-grid h2{font-size:30px}.feature-list{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:0;list-style:none}.feature-list li{background:#23374b;padding:10px;text-align:center;font-size:13px}.steps{padding-left:22px;color:#ced8e2}
.updates{border-top:1px solid var(--hg-border)}.updates article{display:grid;grid-template-columns:110px 100px 1fr 100px;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--hg-border)}.updates article>div:first-child{display:flex;flex-direction:column}.updates h3{font-size:17px;margin:0}.updates p{margin:3px 0;color:var(--hg-muted)}.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;padding:0}.guide-grid li{display:flex;gap:13px;background:#fff;border:1px solid var(--hg-border);padding:15px}.guide-grid b{color:var(--hg-gold);font-size:20px}
.faq-layout{display:grid;grid-template-columns:.35fr .65fr;gap:35px}.faq-layout .section-head{display:block}.faq-list details{background:#fff;border-bottom:1px solid var(--hg-border)}.faq-list summary{cursor:pointer;font-weight:800;padding:15px}.faq-list p{margin:0;padding:0 15px 15px;color:var(--hg-muted)}.about-section{background:#fff}.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}.operator{border:1px solid var(--hg-border);padding:15px}.operator div{display:grid;grid-template-columns:100px 1fr;gap:10px;padding:10px;border-bottom:1px solid var(--hg-border)}.operator dt{font-weight:800}.operator dd{margin:0}.privacy{background:#eef2f6}.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.privacy-grid p{background:#fff;border:1px solid var(--hg-border);padding:12px;margin:0}
footer{background:#20070a;color:#d9c6c8;padding:38px 0 18px}.footer-intro{display:flex;align-items:center;gap:14px;padding-bottom:18px;border-bottom:1px solid #573238}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0}.footer-grid h2{font-size:16px;color:#fff}.footer-grid a{display:block;margin:7px 0;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #573238;padding-top:15px;font-size:12px;flex-wrap:wrap}.back-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border:0;border-radius:5px;background:var(--hg-red);color:#fff;opacity:0;pointer-events:none}.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:1100px){.header-cta{display:none}.site-header nav{gap:8px}.site-header nav a{font-size:11px}.grid.three{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){html{scroll-padding-top:65px}.container{width:min(calc(100% - 28px),var(--hg-maxw))}.header-inner{min-height:64px;justify-content:space-between}.menu-button{display:block}.site-header nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;padding:12px 14px;grid-template-columns:1fr 1fr;max-height:calc(100vh - 64px);overflow:auto}.site-header nav.open{display:grid}.site-header nav a{padding:9px;border-bottom:1px solid var(--hg-border)}.hero{padding-top:34px}.hero-grid,.section-head,.visual-lead,.download-layout,.h5-grid,.faq-layout,.about-grid{grid-template-columns:1fr}.hero h1{font-size:26px}.info-strip{grid-template-columns:repeat(4,1fr)}.section{padding:42px 0}.section-head{gap:10px}.section-head h2,.h5-grid h2{font-size:25px}.grid.three,.grid.two,.download-grid,.guide-grid,.privacy-grid{grid-template-columns:1fr}.visual-lead.reverse img{order:0}.feature-list{grid-template-columns:repeat(2,1fr)}.updates article{grid-template-columns:80px 1fr}.updates article .tag{grid-column:2}.updates article>div:nth-child(3){grid-column:1/-1}.updates article small{grid-column:2}.long-article{padding:19px}.long-article h3{font-size:22px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid}.qr-box{max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}