:root{--bg:#fff;--panel:#f7f7f7;--panel-hover:#ebebeb;--ink:#1a1a1a;--muted:#666;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-soft:#eaf1ff;--border:#eaeaea;--shadow:rgba(0,0,0,.1);--header-bg:rgba(255,255,255,.85);--nav-h:56px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0e0e0e;--panel:#171717;--panel-hover:#202020;--ink:#ededed;--muted:#9a9a9a;--accent:#6f9bff;--accent-hover:#8aadff;--accent-soft:rgba(37,99,235,.18);--border:#262626;--shadow:rgba(0,0,0,.5);--header-bg:rgba(14,14,14,.85)}}.c1{--tint:#2563eb;--tint-soft:#eaf1ff}.c2{--tint:#0d9488;--tint-soft:#e4f6f3}.c3{--tint:#7c3aed;--tint-soft:#f0eaff}.c4{--tint:#ea580c;--tint-soft:#fdeee4}.c5{--tint:#0284c7;--tint-soft:#e4f3fc}.c6{--tint:#db2777;--tint-soft:#fceaf3}.c7{--tint:#b45309;--tint-soft:#fbf0e0}.c8{--tint:#475569;--tint-soft:#eceff3}@media (prefers-color-scheme:dark){.c1{--tint:#7fa8ff;--tint-soft:rgba(37,99,235,.16)}.c2{--tint:#4fd1c5;--tint-soft:rgba(13,148,136,.16)}.c3{--tint:#b39aff;--tint-soft:rgba(124,58,237,.18)}.c4{--tint:#fb923c;--tint-soft:rgba(234,88,12,.16)}.c5{--tint:#58b7f0;--tint-soft:rgba(2,132,199,.18)}.c6{--tint:#f472b6;--tint-soft:rgba(219,39,119,.16)}.c7{--tint:#e0a33a;--tint-soft:rgba(180,83,9,.18)}.c8{--tint:#94a3b8;--tint-soft:rgba(71,85,105,.22)}}*{margin:0;padding:0;box-sizing:border-box}[hidden]{display:none !important}body{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}body > header,body > main,body > footer{width:100%}main{display:flex;flex-direction:column;flex:1 0 auto}a{color:inherit;text-decoration:none}ul{list-style:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.container{max-width:1040px;margin:0 auto;padding:0 24px}header{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-content{display:flex;align-items:center;gap:20px;height:var(--nav-h)}.logo{display:flex;align-items:center;gap:7px;margin-right:auto;font-size:18px;font-weight:700;letter-spacing:-.4px}.logo-mark{width:15px;height:15px;border-radius:4px;flex:none}.nav-links{display:flex;gap:26px}.nav-links a{color:var(--muted);font-size:14px;transition:color .3s}.nav-links a:hover{color:var(--accent)}.nav-links a[aria-current]{color:var(--ink);font-weight:500}.btn-sm{display:inline-flex;align-items:center;height:32px;padding:0 14px;background:var(--accent);color:#fff;border-radius:6px;font-size:13px;font-weight:500;transition:opacity .3s}.btn-sm:hover{opacity:.8}.btn-sm.ghost{background:var(--panel);color:var(--ink)}.btn-sm.ghost:hover{background:var(--panel-hover);opacity:1}.hero{display:flex;flex-direction:column;align-items:center;text-align:center;flex:1;justify-content:center;padding:132px 0 72px;background:radial-gradient(680px 260px at 50% -40px,var(--accent-soft),transparent 70%)}.hero h1{margin-bottom:14px;max-width:720px;font-size:clamp(30px,4.6vw,46px);font-weight:800;line-height:1.14;letter-spacing:-1.2px}.hero p{margin-bottom:24px;max-width:560px;color:var(--muted);font-size:16px}.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:7px;font-size:14.5px;font-weight:500;transition:transform .3s,box-shadow .3s,background-color .3s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 16px var(--shadow)}.btn-secondary{background:var(--panel);color:var(--ink)}.btn-secondary:hover{background:var(--panel-hover)}.section{padding:44px 0}.section.alt{background:var(--panel)}.section-title{margin-bottom:18px;text-align:center;font-size:clamp(19px,2.6vw,23px);font-weight:700;letter-spacing:-.4px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.card{display:block;padding:14px 16px;background:var(--bg);border:1px solid var(--border);border-radius:12px;transition:transform .25s,box-shadow .25s,border-color .25s}.card:hover{transform:translateY(-3px);box-shadow:0 10px 20px var(--shadow);border-color:var(--tint,var(--border))}.card h3{font-size:15.5px;font-weight:600}.card p{color:var(--muted);font-size:13.5px;line-height:1.55}.page-hero{padding:104px 0 26px;text-align:center;background:radial-gradient(620px 220px at 50% -30px,var(--accent-soft),transparent 70%)}.page-hero h1{margin-bottom:10px;font-size:clamp(25px,3.8vw,34px);font-weight:800;letter-spacing:-.9px}.page-hero p{margin:0 auto;max-width:580px;color:var(--muted);font-size:15px}.search-row{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:20px}.search{width:min(400px,100%);height:42px;padding:0 16px;background:var(--bg);color:inherit;border:1px solid var(--border);border-radius:9px;font:inherit;font-size:14.5px;transition:border-color .3s,box-shadow .3s}.search::placeholder{color:var(--muted)}.search:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.status{color:var(--muted);font-size:13px}.jump-bar{position:sticky;top:var(--nav-h);z-index:90;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.jump{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 8px;padding:9px 24px}.jump a{padding:5px 11px;background:var(--bg);border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:13px;transition:color .3s,border-color .3s}.jump a:hover{color:var(--accent);border-color:var(--accent)}.cat + .cat{margin-top:26px}.cat h2{display:flex;align-items:baseline;flex-wrap:wrap;gap:9px;margin-bottom:10px;font-size:16px;font-weight:600}.cat h2::before{content:"";width:7px;height:7px;border-radius:2px;flex:none;align-self:center;background:var(--tint,var(--accent))}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}.tool{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 13px;background:var(--bg);border:1px solid var(--border);border-radius:9px;font-size:14px;font-weight:500;transition:transform .25s,box-shadow .25s,border-color .25s}.tool::after{content:"↗";color:var(--accent);font-size:11px;opacity:0;transition:opacity .25s}.tool:hover{transform:translateY(-2px);box-shadow:0 8px 16px var(--shadow);border-color:var(--tint,var(--accent))}.tool:hover::after{opacity:1}footer{margin-top:auto;padding:32px 0 24px;border-top:1px solid var(--border);text-align:center}.foot-logo{margin-bottom:8px;font-size:16px;font-weight:700;letter-spacing:-.4px}.foot-links{display:flex;justify-content:center;gap:20px;margin-bottom:8px;color:var(--muted);font-size:13px}.foot-links a:hover{color:var(--accent)}.foot-text{color:var(--muted);font-size:13px}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth;scroll-padding-top:84px}}@media (max-width:768px){.nav-links{display:none}.hero-actions{flex-direction:column;width:100%;max-width:260px}.page-hero{padding:88px 0 22px}.section{padding:34px 0}.cards-grid{grid-template-columns:1fr}.jump{justify-content:flex-start;padding:9px 20px}}