:root{--bg:#000;--deep:#050505;--card:#0b0b0b;--card2:#121212;--hover:#1a1a1a;--text:#ddd;--title:#f7f7f7;--muted:#a5a5a5;--soft:#727272;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.4);--max:1320px;--shadow:0 18px 46px rgba(0,0,0,.48)}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:12px;z-index:9999;transform:translateY(-140%);background:#fff;color:#000;padding:10px 14px}.skip-link:focus{transform:none}.topbar{border-bottom:1px solid var(--line);background:#000;font-size:13px}.topbar__inner{height:34px;display:grid;grid-template-columns:1fr auto 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