:root{--bg:#FFF8F8;--paper:#fff;--soft:#FBE9EC;--text:#351C23;--body:#4B3037;--muted:#76545F;--accent:#C9365B;--deep:#321C24;--line:#EDD8DE;--wrap:min(1160px,calc(100% - 40px))}
*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--body);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.wrap{width:var(--wrap);margin:auto}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.masthead{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--text)}.brand:hover{text-decoration:none}.brand-logo{max-width:160px;max-height:42px;width:auto;height:auto;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.08}.brand strong{font-size:22px}.brand small{font-size:11px;letter-spacing:.22em;margin-top:5px}.mast-right{display:flex;gap:24px;align-items:center;color:var(--muted);font-size:14px}.menu-toggle{display:none}.primary-nav{border-top:1px solid var(--line);background:#fff}.nav-row{display:flex;align-items:center;gap:6px;min-height:52px}.nav-row a,.all-toggle,.menu-toggle{min-height:44px;padding:10px 14px;border:1px solid transparent;background:transparent;color:var(--text);border-radius:8px;font-size:14px;cursor:pointer}.nav-row a[aria-current="page"]{color:var(--accent);border-color:var(--line);background:var(--bg)}.all-toggle{margin-left:auto;border-color:var(--line)}.mobile-quick{display:none}.all-columns{grid-template-columns:repeat(4,1fr);gap:26px;padding:22px 0 28px}.all-columns:not([hidden]){display:grid}.all-columns section{border-top:1px solid var(--line);padding-top:12px}.all-columns h2{font-size:15px;margin:0 0 10px;color:var(--text)}.all-columns a{display:block;padding:6px 0;color:var(--body)}
main{min-height:55vh}.page{width:var(--wrap);margin:0 auto;padding:42px 0 64px}.crumbs{font-size:13px;color:var(--muted);margin-bottom:16px}.crumbs a{color:var(--muted)}h1,h2,h3{color:var(--text);line-height:1.35}h1{font-size:clamp(28px,3vw,38px);margin:.2em 0 .55em}h2{font-size:clamp(21px,2.2vw,27px);margin:2em 0 .7em}h3{font-size:19px;margin:1.5em 0 .5em}p{margin:.8em 0;font-size:16px}.lead{max-width:760px;font-size:17px;color:var(--body)}.section{margin-top:54px}.hairline{border-top:1px solid var(--line);padding-top:26px}.media-frame{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;overflow:hidden}.media-img{width:auto;height:auto;max-width:100%;max-height:400px;object-fit:contain;object-position:center}.banner-img{max-height:320px}.small-img{max-height:220px}.side-img{max-height:170px}.app-img{max-width:240px;max-height:360px}.icon-img{max-width:44px;max-height:44px}.hero-grid,.split{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.two{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.index-list{display:grid;gap:0;border-top:1px solid var(--line)}.index-item{display:grid;grid-template-columns:180px 1fr auto;gap:22px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}.note{background:var(--soft);padding:18px 20px;border-radius:10px}.kicker{font-size:12px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}.article{max-width:760px}.article.wide{max-width:none}.related{margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}.related a{margin-right:16px}.site-footer{background:var(--deep);color:#f7e9ed;padding:42px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:32px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#f5c7d2;padding:3px 0}.footer-brand strong{display:block;font-size:18px;color:#fff}.footer-brand p{font-size:14px;color:#e7cbd3}.footer-logo{max-width:150px;max-height:40px;margin-bottom:12px;object-fit:contain}.footer-note{border-top:1px solid rgba(255,255,255,.16);padding-top:18px;margin-top:28px;font-size:13px;color:#d8bac3}
@media(max-width:900px){.hero-grid,.split,.two,.three{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.mast-right{display:none}.index-item{grid-template-columns:1fr}.all-columns{grid-template-columns:1fr 1fr}.nav-row a{display:none}.nav-row{display:none}.mobile-quick{display:flex;gap:10px;padding:6px 0 10px}.mobile-quick a{flex:1;text-align:center;min-height:44px;padding:9px;border:1px solid var(--line);border-radius:8px;color:var(--text)}}
@media(max-width:640px){:root{--wrap:calc(100% - 32px)}.masthead{min-height:74px}.brand-logo{max-width:132px;max-height:36px}.menu-toggle{display:inline-flex;align-items:center;border-color:var(--line)}.page{padding:30px 0 44px}.section{margin-top:34px}.all-columns{grid-template-columns:1fr;padding-top:12px}.footer-grid{grid-template-columns:1fr}.media-img{max-height:300px}.banner-img{max-height:220px}.small-img{max-height:200px}.app-img{max-width:200px;max-height:320px}p{font-size:15.5px}.lead{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}