:root{--bg:#0D0B10;--panel:#17131D;--sub:#211A29;--line:#382A3D;--red:#E62B46;--darkred:#A91935;--purple:#7650A4;--white:#fff;--text:#F6F2F8;--muted:#D7CCDD;--active:#FF5570}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.82;overflow-x:hidden}
a{color:inherit;text-decoration:none}a:hover{color:var(--active)}button,input{font:inherit}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#111;padding:8px 12px;z-index:99}.skip-link:focus{left:8px}
.site-header{background:#100d14;border-bottom:1px solid var(--line)}.brand-row{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.08em}.brand-logo{max-height:36px;width:auto;display:block}.brand-text{white-space:nowrap}.tools{display:flex;align-items:center;gap:10px}.tools a,.plain-btn,.control-btn{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border:0;background:transparent;color:var(--muted);cursor:pointer}.plain-btn:focus-visible,.control-btn:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--active);outline-offset:3px}
.main-nav{border-top:1px solid #251d2b;border-bottom:1px solid var(--line)}.nav-line{display:flex;gap:30px;height:48px;align-items:center}.nav-line a{font-size:15px;font-weight:650;position:relative}.nav-line a.active:after{content:"";position:absolute;height:3px;background:var(--red);left:0;right:0;bottom:-13px;border-radius:3px}
.quick-row{background:#15101a}.quick-links{display:flex;gap:20px;overflow-x:auto;white-space:nowrap;padding:9px 0}.quick-links a{font-size:14px;color:var(--muted)}.search-panel{padding:18px 0}.search-box{background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:12px}.search-box label{display:block;font-weight:750;margin-bottom:8px}.search-box input{width:100%;padding:11px 12px;border-radius:8px;border:1px solid var(--line);background:#0f0c12;color:#fff}.search-results{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-results a{padding:6px 10px;border:1px solid var(--line);border-radius:8px;color:var(--muted)}
.mobile-columns{padding:20px 0}.menu-group{padding:12px 0;border-bottom:1px solid var(--line)}.menu-group h2{font-size:16px;margin:0 0 8px}.menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 18px}.close-menu{border:1px solid var(--line);background:var(--sub);color:#fff;padding:9px 12px;border-radius:8px}.mobile-only,.bottom-nav{display:none}
main{min-height:60vh}.crumbs{font-size:13px;color:var(--muted);margin-top:30px}.hero{padding:34px 0 12px}.eyebrow{color:var(--active);font-size:13px;font-weight:800;letter-spacing:.08em}.hero h1{font-size:34px;line-height:1.22;margin:10px 0 14px}.lede{max-width:780px;color:var(--muted);font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:9px;background:var(--red);font-weight:750}.btn.secondary{background:var(--sub);border:1px solid var(--line)}
.content-image{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center;margin:18px auto;max-height:220px;border-radius:12px}.banner-image{width:100%;max-width:1180px;max-height:300px;object-fit:contain;height:auto;display:block;margin:18px auto}.portrait-image{max-width:100%;width:auto;max-height:360px;height:auto;object-fit:contain;margin:18px auto;display:block}.app-image{max-height:400px}
.section{padding:48px 0}.section h2{font-size:25px;line-height:1.35;margin:0 0 18px}.section h3{font-size:19px;line-height:1.45;margin:0 0 10px}.section p{margin:0 0 14px}.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.grid-3{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}.card.compact{padding:18px}.card p,.muted{color:var(--muted)}.article{max-width:780px;margin:0 auto}.article-block{padding:28px 0;border-bottom:1px solid var(--line)}.article-block:last-child{border-bottom:0}.numbered{counter-reset:item}.numbered .article-block{position:relative;padding-left:56px}.numbered .article-block:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:0;top:31px;color:var(--active);font-weight:800}
.timeline{border-left:2px solid var(--line);padding-left:24px}.timeline .article-block{position:relative}.timeline .article-block:before{content:"";position:absolute;left:-31px;top:36px;width:12px;height:12px;border-radius:50%;background:var(--red)}
.quote{border-left:3px solid var(--purple);padding:14px 18px;background:var(--panel);color:var(--muted);margin:24px 0}.list-row{display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}.list-row .n{color:var(--active);font-weight:800}.service-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-links a{background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:10px}
.related{margin-top:30px;padding:20px;background:var(--sub);border-radius:12px}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{border-bottom:1px solid var(--purple)}
.faq-item{padding:22px 0;border-bottom:1px solid var(--line)}.faq-item h2{font-size:20px;margin-bottom:8px}
.site-footer{border-top:1px solid var(--line);margin-top:50px;padding:38px 0 24px;background:#100d14}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{font-size:15px;margin:0 0 10px}.footer-grid a{display:block;color:var(--muted);font-size:14px;margin:5px 0}.footer-note{border-top:1px solid var(--line);margin-top:24px;padding-top:18px;color:var(--muted);font-size:13px}
@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}.service-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){body{font-size:15.5px;padding-bottom:calc(66px + env(safe-area-inset-bottom))}.wrap{width:min(100% - 32px,1180px)}.brand-row{height:60px}.brand-logo{max-height:32px}.tools>a{display:none}.tools{gap:2px}.tools .plain-btn{font-size:0}.tools .plain-btn:after{content:"搜索";font-size:15px}.mobile-only{display:inline-flex}.main-nav{display:none}.quick-links{gap:16px}.hero{padding-top:28px}.hero h1{font-size:27px}.lede{font-size:16px}.section{padding:34px 0}.section h2{font-size:22px}.grid-3{grid-template-columns:1fr}.card{padding:17px}.content-image{max-height:180px}.banner-image{max-height:220px}.portrait-image{max-height:320px}.app-image{max-height:320px}.footer-grid{grid-template-columns:repeat(2,1fr)}.bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;background:#130f17;border-top:1px solid var(--line);z-index:50;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:16px}.bottom-nav span{font-size:11px;color:var(--muted);line-height:1.2}.list-row{grid-template-columns:42px 1fr}.list-row>a{grid-column:2}.numbered .article-block{padding-left:46px}}
@media(max-width:390px){.wrap{width:min(100% - 30px,1180px)}.brand-text{font-size:13px;letter-spacing:.04em}.tools .plain-btn:after{font-size:14px}.control-btn{font-size:14px;padding:0 8px}.menu-grid{grid-template-columns:1fr}.service-links{grid-template-columns:1fr}.hero h1{font-size:25px}}