:root{--bg:#fff;--ink:#0f172a;--mut:#5b6577;--line:#e7eaf0;--acc:#4f46e5;--acc2:#7c3aed;--accd:#4338ca;--soft:#f7f8fc;--chip:#eef0ff}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.62;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
header.site{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;gap:14px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.02em}.logo:hover{text-decoration:none}
.mark{display:inline-flex;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;align-items:center;justify-content:center;font-weight:800;box-shadow:0 4px 12px rgba(79,70,229,.35)}
.nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav>a,.dropbtn{font-size:14.5px;font-weight:600;color:var(--mut);padding:8px 11px;border-radius:9px;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:5px;font-family:inherit;white-space:nowrap}
.nav>a:hover,.dropbtn:hover{color:var(--acc);background:var(--chip);text-decoration:none}
.nav .api{color:var(--accd);background:var(--chip)}
.drop{position:relative}
.dropmenu{position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(15,23,42,.14);padding:8px;min-width:300px;display:grid;grid-template-columns:1fr 1fr;gap:2px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s}
.dropmenu.wide{grid-template-columns:1fr 1fr 1fr;min-width:520px}
.drop:hover .dropmenu,.drop:focus-within .dropmenu{opacity:1;visibility:visible;transform:translateY(0)}
.dropmenu a{font-size:13.5px;font-weight:600;color:var(--ink);padding:8px 10px;border-radius:9px;white-space:nowrap}.dropmenu a:hover{background:var(--chip);color:var(--accd);text-decoration:none}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:11px;padding:0 12px;color:var(--mut);transition:.15s}
.search:focus-within{border-color:var(--acc);background:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.1)}
.search input{border:0;background:none;outline:none;padding:9px 2px;font-size:14px;width:140px;color:var(--ink)}
.req{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff!important;font-weight:700;font-size:14px;padding:9px 15px;border-radius:10px;white-space:nowrap;box-shadow:0 4px 12px rgba(79,70,229,.3)}.req:hover{text-decoration:none;transform:translateY(-1px)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}
.mobnav{display:none}body.navopen .mobnav{display:block;border-top:1px solid var(--line);padding:14px 22px;background:#fff;max-height:80vh;overflow:auto}
.mobnav>a{display:block;padding:11px 8px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}.mobnav>strong{display:block;margin:12px 0 4px;color:var(--mut);font-size:13px}
.mcats{display:grid;grid-template-columns:1fr 1fr;gap:2px}.mcats a{padding:8px;font-size:13px;font-weight:600;color:var(--mut)}
.container{padding:30px 0 64px}
.crumbs{font-size:13px;color:var(--mut);margin:0 0 20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}.crumbs a{color:var(--mut)}.crumbs span{color:#aab}.crumbs .cur{color:var(--ink);font-weight:600}
h1{font-size:34px;letter-spacing:-.025em;line-height:1.18;margin:.1em 0 .4em}h2{font-size:22px;letter-spacing:-.01em;margin:1.7em 0 .6em}h3{font-size:17px;margin:1.2em 0 .35em}
.lead{font-size:18.5px;color:var(--mut);margin:0 0 20px;max-width:760px}.muted{color:var(--mut)}
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;padding:12px 22px;border-radius:11px;font-weight:700;box-shadow:0 8px 20px rgba(79,70,229,.28);transition:.18s;border:0;cursor:pointer;font-size:15px}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 28px rgba(79,70,229,.4)}
.btn.ghost{background:#fff;color:var(--accd);border:1px solid #d6d9ee;box-shadow:none}.btn.ghost:hover{background:var(--chip);box-shadow:none}
.hero{position:relative;text-align:center;padding:54px 26px 42px;margin:0 -22px;border-radius:0 0 30px 30px;background:linear-gradient(180deg,#1e1b4b,#3b2a86 58%,#4c1d95);color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-30% -10% auto;height:480px;background:radial-gradient(50% 60% at 32% 0,rgba(124,58,237,.55),transparent 70%),radial-gradient(40% 50% at 76% 8%,rgba(251,191,36,.16),transparent 70%);z-index:0}
.hero>*{position:relative;z-index:1}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fde68a;font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:50px;line-height:1.08;letter-spacing:-.03em;margin:0 0 16px;color:#fff}
.hero h1 .g{background:linear-gradient(135deg,#fde68a,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:#c7c0f5;max-width:640px;margin:0 auto 22px}
.hbtns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.searchbox{max-width:540px;margin:26px auto 0}.searchbox input{width:100%;padding:15px 18px;border-radius:14px;font-size:16px}
.searchbox input:focus{outline:none}
.hero .searchbox input{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.hero .searchbox input::placeholder{color:#a5b4fc}
.hero .btn.ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28)}
.hero .btn.ghost:hover{background:rgba(255,255,255,.2)}
.hart{position:relative;margin:34px auto 0;max-width:920px;border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(251,191,36,.18),0 0 60px rgba(251,191,36,.12);border:1px solid rgba(255,255,255,.14)}
.hart svg,.hart img,.hart picture{display:block;width:100%;height:auto}
.hart:after{content:"";position:absolute;inset:0;border-radius:20px;box-shadow:inset 0 0 70px rgba(30,27,75,.45);pointer-events:none}
.stats{display:flex;gap:34px;justify-content:center;margin:30px 0 0;color:var(--mut);font-size:14px;flex-wrap:wrap}.stats b{display:block;font-size:26px;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.catico{display:inline-flex;width:40px;height:40px;border-radius:10px;background:var(--chip);color:var(--accd);align-items:center;justify-content:center;flex:none}.catico svg{width:22px;height:22px}
.pthumb{width:40px;height:40px;border-radius:10px;box-shadow:0 2px 8px rgba(15,23,42,.1);background:#fff;flex:none}
/* trust */
.trust{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;margin:30px 0 6px;padding:16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ti{display:flex;align-items:center;gap:8px;color:var(--mut);font-size:13.5px;font-weight:600}.ti svg{width:18px;height:18px;color:var(--acc)}
/* carousel */
.carousel{position:relative;margin:14px -22px 0;padding:0}
.ctrack{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 22px 18px;scrollbar-width:none}.ctrack::-webkit-scrollbar{display:none}
.ccard{flex:0 0 270px;scroll-snap-align:start;border:1px solid var(--line);border-radius:18px;padding:22px;background:linear-gradient(180deg,#fff,#fbfbff);transition:.18s;text-decoration:none;color:inherit}
.ccard:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(79,70,229,.16);border-color:#cdd2f0;text-decoration:none}
.ccard img{width:54px;height:54px;border-radius:13px;box-shadow:0 4px 14px rgba(15,23,42,.12);background:#fff}
.ccard h3{margin:14px 0 6px;font-size:17px;color:var(--ink)}.ccard p{color:var(--mut);font-size:13.5px;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cbtn{position:absolute;top:38%;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:22px;cursor:pointer;box-shadow:0 6px 18px rgba(15,23,42,.12);z-index:2;display:flex;align-items:center;justify-content:center;line-height:1}
.cbtn:hover{color:var(--acc);border-color:var(--acc)}.cbtn.prev{left:8px}.cbtn.next{right:8px}
.secthead{display:flex;align-items:baseline;justify-content:space-between;margin:40px 0 4px}.secthead a{font-size:14px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:16px;margin:22px 0}
.card{position:relative;border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;transition:transform .18s,box-shadow .18s,border-color .18s;overflow:hidden}
.card:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--acc),var(--acc2));transform:scaleX(0);transform-origin:left;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(79,70,229,.13);border-color:#cdd2f0}.card:hover:before{transform:scaleX(1)}
.chead{display:flex;align-items:center;gap:10px;margin-bottom:6px}.chead strong{font-size:16px;font-weight:700;color:var(--ink)}
.ico{width:40px;height:40px;border-radius:10px;box-shadow:0 2px 8px rgba(15,23,42,.1);background:#fff;flex:none}
.chead .chip{margin:0 0 0 auto}
.card h3{margin:.15em 0 .35em;font-size:17px}.card h3 a{color:var(--ink)}.card h3 a:hover{color:var(--acc);text-decoration:none}
.card p{color:var(--mut);font-size:14px;margin:.2em 0 0}.card .meta{font-size:12.5px;color:#94a0b4;margin-top:10px}
.chip{display:inline-block;background:var(--chip);color:var(--accd);font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}
a.chip:hover{background:#e0e3ff;text-decoration:none}
.toolhead{display:flex;align-items:center;gap:16px;margin-bottom:4px}.toolhead .ico{width:60px;height:60px;border-radius:15px}
.cta{background:linear-gradient(135deg,#f3f1ff,#eef2ff);border:1px solid #e3e3fb;border-radius:18px;padding:24px;margin:24px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.cta strong{font-size:18px;letter-spacing:-.01em}
.steps{list-style:none;padding:0;margin:14px 0;display:grid;gap:12px}
.steps li{display:flex;gap:14px;align-items:flex-start;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:15px 17px}
.steps .num{flex:none;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.steps strong{display:block;font-size:15.5px}.steps p{margin:3px 0 0;color:var(--mut);font-size:14px}.steps pre{margin:8px 0 0}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
table.io{border-collapse:collapse;width:100%;font-size:14px;min-width:480px}
table.io th,table.io td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.io th{background:var(--soft);font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut)}
table.io tr:last-child td{border-bottom:0}table.io td code{background:var(--chip);color:var(--accd);padding:2px 7px;border-radius:6px;font-size:13px}.ty{color:#94a0b4;font-size:12.5px}
.fields{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.fields code{background:var(--soft);border:1px solid var(--line);padding:5px 11px;border-radius:8px;font-size:13px;color:var(--ink)}
.toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:14px 0}
.tool{background:var(--soft);border:1px solid var(--line);border-radius:11px;padding:13px 15px;font-weight:600;font-size:14px;transition:.15s}.tool:hover{border-color:var(--acc);transform:translateY(-2px)}
.readme{margin-top:16px;color:#283142}.readme h2{font-size:21px}.readme h3{font-size:16px}
.readme table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14px;display:block;overflow:auto}.readme th,.readme td{border:1px solid var(--line);padding:9px 12px;text-align:left}.readme th{background:var(--soft)}
.readme pre{background:#0f172a;color:#e2e8f0;padding:16px;border-radius:12px;overflow:auto;font-size:13px;line-height:1.5}.readme code{background:var(--chip);color:var(--accd);padding:2px 6px;border-radius:6px;font-size:.9em}.readme pre code{background:none;color:inherit;padding:0}
pre{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:11px;overflow:auto;font-size:13px}pre code{background:none;color:inherit}
/* form */
.rbanner{max-width:760px;margin:8px 0 4px;border-radius:18px;overflow:hidden;box-shadow:0 18px 50px rgba(30,27,75,.28),0 0 0 1px rgba(251,191,36,.16)}
.rbanner img,.rbanner picture{display:block;width:100%;height:auto}
.formwrap{max-width:640px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 36px rgba(15,23,42,.06);margin:18px 0}
.field{margin:0 0 16px}.field label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 4px rgba(79,70,229,.1)}
.field textarea{min-height:120px;resize:vertical}.hp{position:absolute;left:-9999px}
footer.site{border-top:1px solid var(--line);background:var(--soft);margin-top:48px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding:40px 22px}
.fcol{display:flex;flex-direction:column;gap:8px;font-size:14px}.fcol strong{margin-bottom:4px}.fcol a{color:var(--mut)}.fcol p{color:var(--mut);margin:6px 0 0;max-width:300px}
.fbot{padding:16px 22px;border-top:1px solid var(--line);color:var(--mut);font-size:13px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
@media(max-width:980px){.nav,.search,.req{display:none}.burger{display:flex}.hero h1{font-size:38px}.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.hero h1{font-size:31px}.hero p{font-size:17px}.fgrid{grid-template-columns:1fr}.stats{gap:20px}}