:root{--bg:#080A0D;--panel:#0D1015;--panel2:#12161C;--panel3:#171C23;--text:#F5F7FA;--body:#C7CDD5;--muted:#9098A3;--blue:#6EA8FF;--border:rgba(255,255,255,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}button{font:inherit}img{max-width:100%}.container{width:min(100% - 48px,1200px);margin-inline:auto}.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:8px;z-index:80}.skip:focus{left:10px}.site-header{position:relative;z-index:30;background:rgba(8,10,13,.96);border-bottom:1px solid var(--border)}.topbar{height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid 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