:root{--bg:#0D0B10;--panel:#17131D;--panel2:#211A29;--line:#382A3D;--red:#E62B46;--darkred:#A91935;--purple:#7650A4;--text:#F6F2F8;--muted:#D7CCDD;--active:#FF5570}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}a{color:inherit;text-decoration:none}a:hover{color:var(--active)}button,input{font:inherit}.site-header{border-bottom:1px solid var(--line);background:#100d14}.brand-row{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand b{display:block;font-size:20px}.brand small{display:block;color:var(--muted);letter-spacing:.12em}.logo{max-height:36px;width:auto}.tools{display:flex;align-items:center;gap:18px;font-size:14px}.plain-btn{border:0;background:none;color:var(--text);cursor:pointer;padding:10px 4px}.plain-btn:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--active);outline-offset:3px}.main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.nav-scroll{display:flex;gap:28px;min-height:48px;align-items:center}.main-nav a{position:relative;font-size:15px}.main-nav a.active{font-weight:700}.main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-13px;height:3px;background:var(--red)}.column-panel{padding:18px 0}.column-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:18px}.column-grid h2{font-size:14px;margin:0 0 8px;color:#fff}.column-grid a{display:block;color:var(--muted);font-size:13px;margin:4px 0}.search-panel{padding:18px 0}.search-panel 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var(--line);margin-top:24px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}.mobile-only,.mobile-bottom{display:none}@media(max-width:900px){.column-grid{grid-template-columns:repeat(3,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){body{font-size:15.5px;padding-bottom:56px}.wrap{width:min(100% - 34px,1180px)}.brand-row{min-height:60px}.logo{max-height:32px}.tools>a:first-child,.tools>a:nth-child(3){display:none}.mobile-only{display:inline-block}.main-nav{display:none}.column-panel{display:none}.column-panel.open{display:block}.column-grid{grid-template-columns:repeat(2,1fr)}.hero,.grid-2,.grid-3,.grid-asym{grid-template-columns:1fr}.page-main{padding-top:32px}.section{margin-top:38px}.hero{padding:18px}.content-image{max-height:180px}.app-image{max-height:320px}.banner{max-height:220px}.list-row{grid-template-columns:48px 1fr}.list-row a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{flex-direction:column}.mobile-bottom{position:fixed;z-index:10;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;min-height:56px;padding-bottom:env(safe-area-inset-bottom);background:#151019;border-top:1px solid var(--line)}.mobile-bottom a{display:grid;place-items:center;font-size:13px}.site-footer{padding-bottom:88px}}@media(max-width:360px){.column-grid{grid-template-columns:1fr}.tools{gap:8px}.brand span small{display:none}}