:root{--brand-50:#f3f2fd;--brand-100:#e5e3fb;--brand-300:#aba3ef;--brand-500:#6b58d8;--brand-600:#5340c6;--brand-700:#3f2ca5;--brand-900:#1f1087;--amber-100:#fdf0d8;--amber-400:#f5a623;--amber-700:#a86500;--bg:#f6f7fb;--surface:#fff;--surface-2:#f0f1f8;--line:#e1e3f0;--text-1:#23273b;--text-2:#41465f;--text-3:#656b8a;--ok:#1c7a3a;--radius:14px;--radius-lg:22px;--shadow:0 1px 2px #1f10870d, 0 4px 16px #1f10870f;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text-1);font:16px/1.65 var(--font);margin:0;overflow-x:hidden}img,svg{max-width:100%;height:auto}a{color:var(--brand-600);text-underline-offset:2px}a:hover{color:var(--brand-700)}:focus-visible{outline:3px solid var(--brand-300);outline-offset:2px;border-radius:4px}h1,h2,h3{color:var(--brand-900);letter-spacing:-.01em;line-height:1.2}h1{margin:0 0 16px;font-size:clamp(2rem,5.2vw,3.25rem)}h2{margin:0 0 14px;font-size:clamp(1.5rem,3.2vw,2.1rem)}h3{margin:0 0 8px;font-size:1.15rem}p{margin:0 0 14px}.wrap{max-width:1160px;margin:0 auto;padding:0 16px}.wrap-narrow{max-width:780px;margin:0 auto;padding:0 16px}.section{padding:64px 0}.section-tight{padding:40px 0}.kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--amber-700);margin-bottom:10px;font-size:13px;font-weight:700;display:inline-block}.lead{color:var(--text-2);font-size:1.15rem}.muted{color:var(--text-3)}.button{cursor:pointer;background:var(--brand-600);color:#fff;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:650;text-decoration:none;transition:background .15s;display:inline-flex}.button:hover{background:var(--brand-700);color:#fff}.button-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--brand-100)}.button-ghost:hover{background:var(--brand-50);color:var(--brand-700)}.button-sm{padding:8px 16px;font-size:14px}.site-header{z-index:50;-webkit-backdrop-filter:saturate(1.4)blur(10px);backdrop-filter:saturate(1.4)blur(10px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.site-header .wrap{align-items:center;gap:24px;height:64px;display:flex}.brand{color:var(--brand-900);align-items:center;gap:10px;font-size:18px;font-weight:800;text-decoration:none;display:flex}.brand img{width:34px;height:34px}.nav{gap:4px;margin-left:auto;display:flex}.nav a{color:var(--text-2);border-radius:10px;padding:8px 12px;font-size:15px;font-weight:600;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{background:var(--brand-50);color:var(--brand-700)}.header-cta{margin-left:8px}.menu-toggle{display:none}@media (max-width:860px){.nav{display:none}.header-cta{margin-left:auto}.menu-toggle{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.site-header.open .nav{background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px 16px;display:flex;position:absolute;top:64px;left:0;right:0}}.site-footer{background:var(--brand-900);color:#cfcbf4;margin-top:80px;padding:56px 0 32px;font-size:15px}.site-footer a{color:#fff;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;display:grid}.footer-grid h4{color:var(--amber-400);letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px;font-size:13px}.footer-grid ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.footer-brand img{width:40px;height:40px}.footer-bottom{color:#a9a3e6;border-top:1px solid #ffffff1f;margin-top:40px;padding-top:20px;font-size:13px}@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.grid-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.grid-2{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}@media (max-width:900px){.grid-3{grid-template-columns:1fr 1fr}}@media (max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr}}.tool-hero{padding:40px 0 24px}.tool-hero h1{font-size:clamp(1.8rem,4.2vw,2.6rem)}.breadcrumb{color:var(--text-3);margin-bottom:10px;font-size:14px}.breadcrumb a{color:var(--text-3)}.tool-frame{margin-bottom:48px}.ad-slot{min-height:0}.prose{color:var(--text-2);font-size:17px}.prose h2{margin-top:44px}.prose h3{color:var(--text-1);margin-top:28px}.prose ul,.prose ol{margin:0 0 16px;padding-left:1.3em}.prose li{margin-bottom:6px}.prose table{border-collapse:collapse;background:var(--surface);border-radius:10px;width:100%;margin:8px 0 20px;font-size:15px;overflow:hidden}.prose th,.prose td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:10px 12px}.prose th{background:var(--surface-2);color:var(--text-1)}.table-scroll{overflow-x:auto}.callout{border-left:4px solid var(--amber-400);background:var(--amber-100);color:var(--text-1);border-radius:0 10px 10px 0;margin:20px 0;padding:14px 18px}.callout strong{color:var(--brand-900)}.updated{color:var(--text-3);font-size:14px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:0 18px}.faq summary{cursor:pointer;color:var(--text-1);justify-content:space-between;gap:12px;padding:16px 0;font-weight:650;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--brand-600);font-size:22px;line-height:1}.faq details[open] summary:after{content:"–"}.faq details>div{color:var(--text-2);padding:0 0 16px}