*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#07c9b5;--primary-dark:#06a89a;--primary-light:#059e8e;--secondary:#0ae8d1;--bg:#fff;--bg-card:#f0fdfb;--bg-card-hover:#e6faf7;--text:#1a2e2b;--text-muted:#4a6b66;--border:rgba(7,201,181,.25)}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:linear-gradient(180deg,#fff,#e6faf7 30%,#fff 50%,#e6faf7 75%,#ccf5ef);color:var(--text);line-height:1.6;overflow-x:hidden}#app{margin:0;text-align:left}.app{min-height:100vh}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:hsla(0,0%,100%,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}.nav-container{max-width:1200px;margin:0 auto;padding:0 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