:root{--bg:#1a1d22;--panel:#fff;--line:#d8dee5;--text:#1d2730;--muted:#65727d;--accent:#2f8f66;--accent2:#6e7d8e;--shadow:0 18px 42px rgba(23,33,41,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#161a1f 0%,#eef2f4 18%,#fff 100%);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.skip-link{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:10}.skip-link:focus{left:16px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0;z-index:30;background:rgba(22,26,31,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}.header-update .header-inner{min-height:74px;display:grid;grid-template-columns:auto auto 1fr auto auto;gap:16px;align-items:center}.brand-logo{height:33px}.header-tag{justify-self:center;padding:8px 14px;border-radius:999px;background:#25313a;border:1px solid #33404a;color:#d9e2e8;font-size:13px}.site-nav{display:flex;justify-content:center;gap:18px;color:#dbe5eb;font-size:14px}.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:14px;background:#7fe09e;color:#0f1b14;font-weight:700}.menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:10px 11px;width:46px;height:42px}.menu-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px}
.hero{padding:30px 0 16px}.update-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:18px;align-items:center}.hero-copy,.progress-orb,.track-board,.track-side,.diagnose-table,.diagnose-note,.faq-rail,.footer-panel{box-shadow:var(--shadow)}.hero-copy{background:linear-gradient(180deg,#fefefe,#f6f7f8);border:1px solid var(--line);border-radius:26px;padding:30px;display:grid;gap:12px}.eyebrow{display:inline-flex;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0}.hero-copy h1,.section-head h2,.diagnose-note h2,.faq-side h2{margin:0;line-height:1.06}.hero-copy h1{font-size:clamp(34px,5vw,56px)}.lead{margin:0;color:var(--muted);max-width:56ch}
.progress-orb{background:#fff;border:1px solid var(--line);border-radius:28px;padding:20px;display:grid;gap:16px;justify-items:center}.orb-ring{width:min(260px,100%);aspect-ratio:1;border-radius:50%;background:conic-gradient(var(--accent) 0 28%, #dfe6ec 28% 54%, #8eb8ff 54% 76%, #dfe6ec 76% 100%);display:grid;place-items:center}.orb-ring span{width:70%;aspect-ratio:1;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:24px;font-weight:700;color:#25313a;box-shadow:inset 0 0 0 1px #d8dee5}.orb-labels{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:100%}.orb-labels b{padding:10px 0;border-radius:999px;background:#f6f8f9;border:1px solid #dbe2e8;text-align:center;font-size:13px}
.section{padding:24px 0}.track-shell{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(270px,.8fr);gap:18px;align-items:start}.track-board,.track-side,.diagnose-table,.diagnose-note,.faq-rail{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px}.section-head{display:grid;gap:8px;margin-bottom:16px}.step-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.step-unit{display:grid;gap:8px;padding:16px;border-radius:18px;background:#f5f8fa;border:1px solid #dce3e8}.step-unit span{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:#fff;border:1px solid #d7dfe6;font-weight:700}.step-unit i{display:block;height:6px;border-radius:999px;background:linear-gradient(90deg,#c8d1d8,#d9e5ea)}.step-unit.active{background:#edf8f1;border-color:#cae5d2}.step-unit.active i{background:linear-gradient(90deg,var(--accent),#b1e6c0)}
.track-side{display:grid;gap:14px}.track-side img{border-radius:20px;border:1px solid #dce3e8}.track-side p{margin:0;color:#66747f}
.alt{background:#f4f6f8}.diagnose-shell{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}.diagnose-table table{width:100%;border-collapse:collapse}.diagnose-table th,.diagnose-table td{padding:14px;border-bottom:1px solid #e1e7ec;text-align:left;vertical-align:top}.diagnose-table th{color:#5b6975;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.diagnose-table tr:last-child td{border-bottom:0}.diagnose-note{background:linear-gradient(180deg,#1d2730,#11171d);color:#edf2f6;border-color:#263341;display:grid;gap:14px;align-content:start}.diagnose-note p{margin:0;color:#c1ced7}.note-links{display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:14px;font-weight:700}.btn-primary{background:linear-gradient(135deg,var(--accent),#b6edc0);color:#0d1712}.btn-secondary{background:#24313b;color:#edf3f7;border:1px solid #32414d}
.faq-zone{background:#fff}.faq-rail{display:grid;grid-template-columns:minmax(220px,.4fr) 1fr;gap:18px;align-items:start}.faq-side{display:grid;gap:10px;align-content:start}.faq-side p{margin:0;color:#66747f}.faq-stack{display:grid;gap:10px}.faq-stack details{background:#fff;border:1px solid #dce3e8;border-radius:16px;padding:0 16px}.faq-stack summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700}.faq-stack summary::-webkit-details-marker{display:none}.faq-stack p{margin:0 0 16px;color:#65737f}
.footer-track{padding:24px 0 40px;background:#f5f7f9}.footer-panel{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#1b222a;color:#ecf1f4;border:1px solid #2a3640;border-radius:22px;padding:18px 20px}.footer-brand img{height:28px}.footer-brand p{margin:8px 0 0}.footer-links{display:flex;flex-wrap:wrap;gap:10px}.footer-links a{display:inline-flex;align-items:center;padding:10px 12px;border-radius:999px;background:#273240;border:1px solid #344353}
@media (max-width:980px){.update-hero,.track-shell,.diagnose-shell,.faq-rail,.footer-panel{grid-template-columns:1fr;display:grid}.step-track{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.header-update .header-inner{min-height:68px;grid-template-columns:auto 1fr auto}.header-tag,.site-nav,.nav-cta{display:none}.menu-toggle{display:block}.site-nav.is-open{display:flex;position:absolute;left:16px;right:16px;top:72px;flex-direction:column;align-items:stretch;background:#1b222a;border:1px solid #2a3640;border-radius:18px;padding:14px;color:#fff}.hero-copy,.progress-orb,.track-board,.track-side,.diagnose-table,.diagnose-note,.faq-rail,.footer-panel{border-radius:18px;padding:18px}.orb-labels,.step-track{grid-template-columns:1fr 1fr}.diagnose-table th,.diagnose-table td{padding:12px 10px}.note-links,.footer-links{width:100%}.btn{width:100%}.faq-rail{gap:14px}}

.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-actions .btn{min-width:0}
@media (max-width:760px){.hero-actions .btn{width:100%}}

.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-actions .btn{min-width:0}
@media (max-width:760px){.hero-actions .btn{width:100%}}

.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-actions .btn{min-width:0}
@media (max-width:760px){.hero-actions .btn{width:100%}}