:root{--bg:#fff;--bg2:#F5F8FF;--bg3:#EAF0FF;--ink:#1A1F2E;--text:#333847;--muted:#667085;--soft:#98A2B3;--blue:#4F6EF7;--blue2:#6B8AFF;--indigo:#3B5BDB;--deep:#2A3F9D;--border:rgba(79,110,247,.14);--grayborder:rgba(0,0,0,.08);--shadow:0 14px 40px rgba(30,40,80,.08);--bshadow:0 16px 42px rgba(79,110,247,.14);--radius:22px;--max:1280px;--nav:72px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:#fff;color:var(--deep);padding:10px 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