:root{--bg:#FFF5F8;--bg-deep:#FFEBF1;--card:#fff;--soft:#FFF0F5;--hover:#FFE4EC;--ink:#2D1B24;--text:#3D2A32;--muted:#6B4E58;--light:#9A7A85;--pink:#FF6B9D;--pink2:#FF8FAB;--pink3:#FFB3C6;--border:rgba(255,107,157,.15);--border2:rgba(255,107,157,.35);--shadow:0 12px 36px rgba(255,107,157,.12);--glow:0 10px 28px rgba(255,107,157,.18);--max:1280px;--nav:72px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,245,248,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-shell{height:var(--nav);max-width:var(--max);padding:0 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