:root{--accent:#2B4BC0;--accent-deep:#1E3585;--text:#1A2138;--mut:#5A6480;--bg:#F2F4FC;
--card:#FFFFFF;--border:#D8DEF0;--soft:#E3E8F9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 "Segoe UI",system-ui,-apple-system,sans-serif}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.topnav{position:sticky;top:0;z-index:50;background:var(--card);border-bottom:1px solid var(--border)}
.navin{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:10px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none;font-size:17px;white-space:nowrap}
.nav-links{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--mut);font-size:14.5px;font-weight:600;white-space:nowrap;transition:background .15s,color .15s}
.nav-links a:hover{background:var(--soft);color:var(--accent-deep)}
.nav-links a:active{transform:scale(.97)}
.hero{background:linear-gradient(180deg,var(--card),var(--bg))}
.hero-in{max-width:1080px;margin:0 auto;padding:44px 20px 30px;display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.hero.slim .hero-in{grid-template-columns:1fr .62fr;padding:36px 20px 22px}
.kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:var(--soft);border-radius:999px;padding:5px 12px}
.hero h1{font-size:34px;line-height:1.15;margin:14px 0 10px}
.hero .sub{font-size:17px;color:var(--mut);margin:0;max-width:560px}
.hero-art svg{width:100%;height:auto;max-height:340px;display:block}
.hero.slim .hero-art svg{max-height:230px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.tool{max-width:760px;margin:26px auto;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(30,53,133,.06)}
.tlabel2{display:block;font-size:13.5px;font-weight:700;color:var(--mut);margin:0 0 6px}
.trow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
select{width:100%;padding:9px 10px;border:1.5px solid var(--border);border-radius:9px;font:inherit;background:var(--card);color:var(--text)}
input[type=range]{width:100%;accent-color:var(--accent);height:34px;margin:0}
.fslider{margin-bottom:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:12px 22px;font:inherit;font-weight:700;font-size:15.5px;cursor:pointer;text-decoration:none;min-height:46px;transition:background .15s,transform .1s}
.btn:hover{background:var(--accent-deep)}
.btn:active{transform:scale(.97)}
.btn.ghost{background:var(--card);color:var(--accent);border:1.5px solid var(--accent)}
.btn.ghost:hover{background:var(--soft)}
.btn.sm{padding:8px 14px;font-size:13.5px;min-height:38px}
.tactions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.tg{display:inline-grid}
.tg>span{grid-area:1/1;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:opacity .15s}
.tg .t-busy{opacity:0}
.tg[aria-pressed="true"]{background:var(--accent-deep)}
.tg[aria-pressed="true"] .t-idle{opacity:0}
.tg[aria-pressed="true"] .t-busy{opacity:1}
.stepsbar{display:flex;gap:10px;margin:16px 0 4px}
.stepchip{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid var(--border);border-radius:10px;padding:10px 8px;font-weight:700;font-size:14px;color:var(--mut);background:var(--card);transition:all .2s}
.stepchip .dot{width:10px;height:10px;border-radius:50%;background:var(--border)}
.stepchip.active{border-color:var(--accent);color:var(--accent-deep);background:var(--soft)}
.stepchip.active .dot{background:var(--accent)}
.meterwrap{position:relative;height:14px;border-radius:7px;background:var(--soft);overflow:hidden;margin:14px 0 6px}
.meterwrap.tall{height:74px;border-radius:12px}
.meterbar{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-deep));border-radius:7px}
.meterbar.v{height:100%;width:100%;transform:scaleY(0);transform-origin:bottom;background:linear-gradient(0deg,var(--accent),#7A93E0)}
.miclive{display:flex;align-items:flex-end;gap:18px;margin-bottom:14px}
.miclive .meterwrap{flex:1;margin:0}
.micread{display:flex;flex-direction:column;min-width:110px}
.micread b{font-size:22px;font-variant-numeric:tabular-nums}
.recrow{display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 14px}
.chip{border:1.5px solid var(--border);background:var(--card);color:var(--text);border-radius:999px;padding:8px 14px;font:inherit;font-weight:600;font-size:14px;cursor:pointer;min-height:38px;transition:all .15s}
.chip:hover{border-color:var(--accent);color:var(--accent-deep)}
.chip:active{transform:scale(.96)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.chips .chip{min-width:84px;text-align:center}
.tnote{font-size:13.5px;color:var(--mut);margin:12px 0 0}
.prose{max-width:760px;margin:30px auto;padding:0 20px}
.prose h2{font-size:23px;margin:34px 0 12px;line-height:1.25}
.prose p{margin:0 0 16px}
.crumbs{max-width:760px;margin:18px auto 0;padding:0 20px;font-size:13.5px;color:var(--mut)}
.crumbs .c-sep{padding:0 7px}
.faq{max-width:760px;margin:34px auto;padding:0 20px}
.faq h2{font-size:23px;margin:0 0 14px}
.qa{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.qa h3{margin:0 0 6px;font-size:15.5px}
.qa p{margin:0;color:var(--mut);font-size:14.5px}
.related{max-width:760px;margin:0 auto 40px;padding:0 20px}
.related h2{font-size:23px;margin:0 0 14px}
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.rcard{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;text-decoration:none;color:var(--text);transition:border-color .15s,box-shadow .15s}
.rcard:hover{border-color:var(--accent);box-shadow:0 4px 14px rgba(30,53,133,.10)}
.rcard span{font-size:13px;color:var(--accent);font-weight:700}
footer.site{background:var(--card);border-top:1px solid var(--border);margin-top:44px}
.foot-grid{max-width:1080px;margin:0 auto;padding:34px 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.foot-brand{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.foot-grid p{font-size:13.5px;color:var(--mut);margin:0 0 6px}
.foot-grid b{display:block;margin-bottom:8px}
.foot-grid a{display:block;color:var(--mut);text-decoration:none;font-size:13.5px;padding:3px 0}
.foot-grid a:hover{color:var(--accent-deep)}
.foot-note{border-top:1px solid var(--border)}
.foot-note p{max-width:800px;margin:0 auto;padding:14px 20px;font-size:12.5px;color:var(--mut)}
.nf-wrap{max-width:620px;margin:60px auto;text-align:center;padding:0 20px}
.nf-cta{margin:20px 0}
.ig{margin:26px 0}
.ig img{max-width:100%;height:auto}
.ig figcaption{font-size:13px;color:var(--mut);margin-top:6px}
@media (max-width:840px){.hero-in,.hero.slim .hero-in{grid-template-columns:1fr;padding:30px 16px 18px}.hero-art{max-width:340px;margin:0 auto}.hero h1{font-size:29px}.foot-grid{grid-template-columns:1fr;gap:18px}.rgrid{grid-template-columns:1fr}.trow{grid-template-columns:1fr}.miclive{flex-direction:column;align-items:stretch}.micread{flex-direction:row;align-items:baseline;gap:10px}}
table{border-collapse:collapse;width:100%;margin:18px 0;font-size:14.5px}
.tbl-wrap{overflow-x:auto}
th,td{border:1px solid var(--border);padding:9px 12px;text-align:left}
th{white-space:nowrap;background:var(--soft)}
td:first-child{white-space:nowrap}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.ig{margin:26px auto;background:#fff;border:1px solid #E5E7EB;border-radius:16px;padding:14px;max-width:100%;width:fit-content}.ig{overflow-x:auto}.ig img{min-width:560px}.ig img{width:auto;max-width:100%;height:auto;display:block}.ig figcaption{text-align:center;font-size:13px;color:#6B7280;margin-top:8px}