:root{--bg:#FFFDFE;--bg2:#FFF7FA;--pinkbg:#FFF0F5;--soft:#FFE8F0;--title:#352A30;--text:#51464C;--muted:#7C7076;--assist:#A1959A;--brand:#F85B86;--bright:#FF7399;--rose:#EE4777;--deep:#D93668;--border:rgba(248,91,134,.14);--grayborder:rgba(60,40,50,.08);--shadow:0 14px 38px rgba(90,50,65,.08);--pinkshadow:0 16px 42px rgba(248,91,134,.15);--footer:#38262F;--radius:24px;--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}.site-header{position:sticky;top:0;z-index:60;background:rgba(255,253,254,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--grayborder)}.nav-shell{max-width:var(--max);height:74px;margin:auto;padding:0 22px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand-logo{width:112px;max-height:44px;object-fit:contain}.brand-mark{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:.04em}.brand-tagline{font-size:12px;color:var(--assist)}.desktop-nav{display:flex;align-items:center;gap:3px;margin:auto;white-space:nowrap}.desktop-nav a{padding:9px 12px;border-radius:999px;font-size:14px;color:var(--muted)}.desktop-nav a:hover,.desktop-nav a.active{color:var(--brand);background:var(--pinkbg)}.nav-actions{display:flex;align-items:center;gap:6px}.icon-btn,.mini-link{border:0;background:transparent;min-width:44px;height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;color:var(--text)}.icon-btn:hover,.mini-link:hover{background:var(--pinkbg);color:var(--brand)}.menu-toggle{flex-direction:column;gap:4px}.menu-toggle span{width:18px;height:2px;background:currentColor;border-radius:2px}.mobile-menu-slot{display:none}main{min-height:70vh}.container{width:min(var(--max),calc(100% - 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@media(max-width:700px){body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.nav-shell{height:64px;padding:0 15px}.brand-logo{width:100px}.brand-mark{font-size:19px}.container,.footer-inner{width:calc(100% - 30px)}.hero{padding:24px 0}.hero-card,.page-head .head-box{padding:28px 22px;border-radius:26px}.hero h1,.page-head h1{font-size:40px}.banner-wrap{order:2}.hero-console{margin:16px 0 0;width:100%;box-shadow:none}.section{padding:46px 0}.section-head{display:block}.section-head p{margin-top:8px}.grid-2,.grid-3,.grid-4,.prose-grid,.notebook{grid-template-columns:1fr}.feature-main{min-height:auto}.masonry{columns:1}.number-item{grid-template-columns:62px 1fr}.number-item>a{grid-column:2}.number-item .num{font-size:38px}.footer-links{grid-template-columns:1fr 1fr}.channel-panel{top:auto;bottom:0;left:0;width:100%;height:auto;max-height:85dvh;border-radius:30px 30px 0 0;transform:translateY(102%);padding:14px 20px 24px}.channel-panel.open{transform:translateY(0)}.panel-grip{display:block;width:48px;height:5px;border-radius:999px;background:#E8DCE0;margin:0 auto 12px}.mobile-bottom{position:fixed;z-index:70;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 24px rgba(90,50,65,.06)}.mobile-bottom a{min-height:56px;display:grid;place-items:center;font-size:13px;color:var(--muted)}.mobile-bottom a.active{color:var(--brand);font-weight:800}.channel-strip{padding:12px 15px;justify-content:flex-start}.footer-bottom{padding-bottom:12px}.app-placeholder{min-height:300px}.quote-panel{font-size:20px;padding:28px}}
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