:root{--bg:#F7F8FC;--card:#FFFFFF;--ink:#1B2233;--mut:#5A6478;--acc:#7C3AED;--acc2:#4F46E5;--line:#E3E7F2;--code-bg:#141A2A;--code-ink:#DCE3F5}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 'Inter',-apple-system,'Segoe UI',Roboto,sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:9px;font:800 17px/1.2 'Sora',sans-serif;color:var(--ink);white-space:nowrap}
.brand img{width:30px;height:30px}
.nav-links{display:flex;gap:16px;font-size:14px;color:var(--mut);overflow-x:auto;margin-left:auto}
.nav-links a{white-space:nowrap;color:var(--mut)}.nav-links a:hover{color:var(--ink);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:30px 20px;width:100%}
.wrap.narrow{max-width:800px}
.crumbs{font-size:13px;color:var(--mut);margin-bottom:10px}.crumbs a{color:var(--mut)}
h1{font:800 clamp(28px,2.4vw+14px,42px)/1.18 'Sora',sans-serif;margin:8px 0 12px}
.kicker{display:inline-block;font:700 12px/1 'Sora',sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);background:color-mix(in srgb,var(--acc) 10%,transparent);padding:7px 12px;border-radius:999px;margin-bottom:12px}
h2{font:700 24px/1.3 'Sora',sans-serif;margin:34px 0 12px}
h3{font:700 17px/1.4 'Sora',sans-serif;margin:22px 0 8px}
main p{margin:12px 0;max-width:76ch}
.lead{font-size:17.5px;color:var(--mut);max-width:68ch}
.hero{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin:6px 0 8px}
.hero img{flex:0 0 280px;max-width:100%;border-radius:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin:16px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:16px 0}
.gcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;transition:border-color .15s,transform .15s;display:block;color:inherit}
.gcard:hover{border-color:var(--acc);text-decoration:none;transform:translateY(-2px)}
.gcard b{font:700 15.5px/1.35 'Sora',sans-serif;display:block;margin-bottom:6px}
.gcard span{font-size:13.5px;color:var(--mut)}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.dt{border-collapse:collapse;width:100%;margin:14px 0;font-size:14.5px;min-width:560px}
table.dt th{white-space:nowrap;background:#EEF1FA;text-align:left}
table.dt th,table.dt td{border:1px solid var(--line);padding:9px 12px;vertical-align:top}
table.dt td.nw,table.dt th.nw{white-space:nowrap}
pre{position:relative;background:var(--code-bg);color:var(--code-ink);border-radius:12px;padding:16px 18px;overflow-x:auto;font:13.5px/1.6 ui-monospace,Consolas,'Cascadia Mono',monospace;margin:14px 0}
pre code{background:none;padding:0;color:inherit}
code{background:#ECEFF9;color:#3B2FA0;border-radius:6px;padding:1.5px 6px;font:88% ui-monospace,Consolas,monospace}
.copy-btn{position:absolute;top:8px;right:8px;display:inline-grid;border:1px solid #39456B;background:#1E2740;color:#B9C4E8;font:600 13px/1 'Inter',sans-serif;padding:9px 14px;border-radius:8px;cursor:pointer;transition:filter .15s}
.copy-btn:hover{filter:brightness(1.3)}.copy-btn:active{transform:scale(.96)}
.copy-btn .c1,.copy-btn .c2{grid-area:1/1;display:flex;align-items:center;justify-content:center}
.copy-btn .c2{visibility:hidden}.copy-btn.copied{background:#15803D;border-color:#15803D;color:#fff}
.copy-btn.copied .c1{visibility:hidden}.copy-btn.copied .c2{visibility:visible}
.copy-btn:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
.callout{border-left:4px solid var(--acc);background:color-mix(in srgb,var(--acc) 6%,transparent);border-radius:0 12px 12px 0;padding:14px 18px;margin:16px 0;font-size:15px}
.callout.warn{border-left-color:#D97706;background:#FEF6E7}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:10px 0}
.faq details[open]{border-color:var(--acc)}
.faq summary{font:700 15.5px/1.4 'Sora',sans-serif;padding:13px 0;cursor:pointer}
.faq details p{margin:0 0 14px;color:var(--mut);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 14px;font-size:13.5px;color:var(--mut);transition:border-color .15s,color .15s}
.chip:hover{border-color:var(--acc);color:var(--acc);text-decoration:none}
.rel h3{margin-top:26px}
.pn-row{display:flex;justify-content:space-between;gap:12px;margin-top:30px}
.pn{font-size:14px;color:var(--mut)}.pn:hover{color:var(--acc);text-decoration:none}
.site{margin-top:auto;border-top:1px solid var(--line);background:#FFFFFF}
.foot-in{max-width:1080px;margin:0 auto;padding:26px 20px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:22px;font-size:13.5px}
.foot-in h4{font:700 13px/1 'Sora',sans-serif;margin:0 0 10px;color:var(--ink)}
.foot-in a{display:block;color:var(--mut);padding:3px 0}
.foot-brand p{color:var(--mut);margin:8px 0 0;max-width:34ch}
.foot-legal{max-width:1080px;margin:0 auto;padding:0 20px 22px;font-size:12.5px;color:#8B93A8}
.adslot{margin:18px 0;text-align:center;min-height:0}
@media(max-width:860px){.foot-in{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.hero img{flex-basis:100%}.foot-in{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}