:root{--bg:#F5F7FF;--ink:#1F2740;--muted:#66708A;--title:#131A35;--brand:#5B6CFF;--brand2:#7A5CFF;--cyan:#00D4FF;--gold:#FFC857;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--grad:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;overflow-x:hidden;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75}body.drawer-open{overflow:hidden}a{color:inherit}img{max-width:100%;height:auto}button{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:88px 0}.soft{background:linear-gradient(180deg,#EFF8FF,#F8F7FF)}.dark{background:#0B1024;color:#EEF2FF}.skip{position:fixed;top:-60px;left:16px;z-index:12000;padding:10px 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