:root{--bg:#08080b;--base:#050508;--panel:#111116;--panel2:#19191f;--card:#17171e;--fg:#f5f5f7;--muted:#b9bbc5;--red:#e32b39;--bright:#ff4252;--border:rgba(255,255,255,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;min-width:0}body.layer-open{overflow:hidden}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{color:#ff6875}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--bright);outline-offset:3px}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}.wrap{max-width:1120px;padding:0 18px;margin:auto;min-width:0}.topbar{position:sticky;top:0;z-index:40;background:#050508;border-bottom:1px solid rgba(255,66,82,.32)}.topinner{max-width:1120px;padding:0 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@media(max-width:390px){.brand small{display:none}.panel-grid{grid-template-columns:1fr}.brand .logo{max-width:96px}.iconbtn{padding:8px}.topactions{gap:4px}.faq-item{grid-template-columns:35px 1fr}.footer-columns{gap:10px}}