:root{--pink:#D96B9A;--purple:#B89ACB;--dark:#2B2530;--bg:#FFF9FC;--soft:#F5EDF3;--text:#322D34;--muted:#756D78;--accent:#E88A62;--line:#eadbe5;--white:#fff;--shadow:0 18px 60px rgba(66,42,59,.10);--radius:28px;--radius-sm:18px;--content:1180px}*{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",sans-serif;line-height:1.75}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;background:var(--dark);color:#fff;padding:10px 16px;z-index:99;border-radius:10px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:40;background:rgba(255,249,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(234,219,229,.9)}.header-shell{max-width:var(--content);margin:auto;padding:14px 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