:root {
  color-scheme: light dark;
  --paper: #f5f8fc;
  --surface: rgba(255,255,255,.86);
  --ink: #07182f;
  --muted: #5c6b7d;
  --line: rgba(7,24,47,.12);
  --blue: #087ff5;
  --blue-soft: #dceeff;
  --navy: #061d3a;
  --safe: #20b96b;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(20,65,110,.12);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(circle at 78% 4%, rgba(8,127,245,.1), transparent 30rem), var(--paper); color: var(--ink); line-height: 1.72; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; border-radius: 8px; }
.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 82px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 800; text-decoration: none; }
.mark { position: relative; width: 36px; height: 36px; border: 3px solid var(--blue); border-radius: 50%; }
.mark::before { content: ""; position: absolute; inset: 8px; border: 3px solid var(--blue); border-radius: 50%; }
.mark::after { content: ""; position: absolute; right: -3px; top: 4px; width: 7px; height: 7px; border-radius: 50%; background: var(--safe); border: 3px solid var(--paper); }
.nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 18px; }
.nav a { color: var(--muted); font-size: .9rem; font-weight: 680; text-decoration: none; }
.nav a[aria-current="page"], .nav a:hover { color: var(--blue); }
.hub-link { padding-right: 16px; border-right: 1px solid var(--line); }
.product-hero { min-height: 650px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(44px,8vw,100px); padding: 68px 0 84px; }
.eyebrow, .kicker { color: var(--blue); font-size: .78rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.product-hero h1, .legal-hero h1 { margin: 15px 0 22px; font-family: "Iowan Old Style", "Songti SC", Georgia, serif; font-size: clamp(3.4rem,8vw,7rem); font-weight: 650; line-height: .96; letter-spacing: -.06em; }
.product-hero p, .lede { max-width: 720px; margin: 0; color: var(--muted); font-size: 1.12rem; }
.clarity-card { position: relative; min-height: 460px; overflow: hidden; border-radius: 42px; background: var(--navy); color: #fff; box-shadow: var(--shadow); }
.clarity-card::before, .clarity-card::after { content: ""; position: absolute; left: 50%; top: 42%; border: 2px solid rgba(255,255,255,.18); border-radius: 50%; transform: translate(-50%,-50%); }
.clarity-card::before { width: 300px; height: 300px; box-shadow: 0 0 0 52px rgba(255,255,255,.035); }
.clarity-card::after { width: 118px; height: 118px; border-color: rgba(35,181,255,.8); }
.orbit-dot { position: absolute; left: calc(50% + 51px); top: calc(42% - 71px); width: 17px; height: 17px; border-radius: 50%; background: var(--safe); box-shadow: 0 0 0 10px rgba(32,185,107,.16); }
.card-caption { position: absolute; left: 30px; right: 30px; bottom: 28px; display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.card-caption strong { display: block; font-size: 1.45rem; }
.card-caption span { color: rgba(255,255,255,.65); font-size: .9rem; }
.local-badge { padding: 7px 11px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; white-space: nowrap; }
.product-section { padding: 88px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; margin-bottom: 40px; }
.section-head h2 { margin: 0; font-family: "Iowan Old Style", "Songti SC", Georgia, serif; font-size: clamp(2rem,4vw,3.5rem); font-weight: 650; line-height: 1.06; letter-spacing: -.04em; }
.section-head p { margin: 4px 0 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.feature { min-height: 240px; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.feature .number { color: var(--blue); font-size: .75rem; font-weight: 850; letter-spacing: .12em; }
.feature h3 { margin: 42px 0 9px; }
.feature p { margin: 0; color: var(--muted); }
.trust-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 29px; border-radius: var(--radius); background: var(--blue); color: #fff; }
.trust-strip h2 { margin: 0; font-size: clamp(2rem,4vw,3.3rem); line-height: 1.06; letter-spacing: -.045em; }
.trust-list { display: grid; align-content: center; }
.trust-list span { padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.24); }
.legal-hero { padding: 72px 0 52px; border-bottom: 1px solid var(--line); }
.meta { display: flex; flex-wrap: wrap; gap: 9px 22px; margin-top: 27px; color: var(--muted); font-size: .9rem; }
.layout { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 64px; padding: 56px 0 88px; }
.toc { position: sticky; top: 24px; align-self: start; }
.toc strong { display: block; margin-bottom: 13px; color: var(--muted); font-size: .8rem; letter-spacing: .11em; }
.toc a { display: block; padding: 6px 0; color: var(--muted); font-size: .9rem; text-decoration: none; }
.toc a:hover { color: var(--blue); }
article { max-width: 750px; }
article section { scroll-margin-top: 24px; margin-bottom: 50px; }
article h2 { margin: 0 0 15px; font-size: 1.7rem; line-height: 1.28; letter-spacing: -.02em; }
article h3 { margin: 26px 0 8px; }
p { margin: 0 0 16px; }
ul { margin: 12px 0 18px; padding-left: 1.25rem; }
li { margin: 8px 0; }
.summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 48px; }
.summary div { padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.summary b { display: block; margin-bottom: 6px; color: var(--blue); font-size: .78rem; letter-spacing: .07em; }
.note, .notice { padding: 20px 22px; border-radius: 18px; background: var(--blue-soft); border-left: 4px solid var(--blue); }
.data-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: .94rem; }
.data-table th, .data-table td { padding: 13px 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { color: var(--muted); font-size: .8rem; letter-spacing: .05em; }
.quick-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; padding: 50px 0; }
.quick { padding: 21px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-decoration: none; }
.quick b { display: block; margin-bottom: 5px; color: var(--ink); }
.quick span { color: var(--muted); font-size: .9rem; }
.faq-section { padding-bottom: 88px; }
.faq { display: grid; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 17px; background: var(--surface); }
summary { padding: 18px 20px; cursor: pointer; font-weight: 720; }
details > p, details > ul { margin: 0; padding: 0 20px 20px; }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 55px; padding-top: 48px; border-top: 1px solid var(--line); }
.contact h2 { margin-top: 0; }
.contact-card { padding: 24px; border-radius: 20px; background: var(--navy); color: #fff; }
.contact-card span, .privacy-reminder { color: rgba(255,255,255,.68); }
.mail { display: inline-block; margin: 16px 0; color: #66b7ff; font-weight: 740; }
.privacy-reminder { font-size: .88rem; }
.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding: 34px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.site-footer .filing-records { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; justify-self: center; text-align: center; }
.site-footer .public-security-record { display: inline-flex; align-items: center; gap: 6px; }
.site-footer .public-security-record img { width: 20px; height: 20px; object-fit: contain; flex: 0 0 auto; }
.site-footer .icp-record { text-align: center; }
.site-footer div:last-child { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.site-footer a { text-decoration: none; }

@media (max-width: 800px) {
  .product-hero, .section-head, .trust-strip, .layout, .contact { grid-template-columns: 1fr; }
  .product-hero { min-height: auto; padding-top: 52px; }
  .feature-grid, .quick-grid { grid-template-columns: 1fr; }
  .toc { display: none; }
  .clarity-card { min-height: 390px; }
  .summary { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .shell { width: calc(100% - 28px); }
  .site-header { display: block; padding: 18px 0; }
  .nav { justify-content: flex-start; gap: 12px; margin-top: 15px; }
  .hub-link { padding-right: 10px; }
  .product-hero h1, .legal-hero h1 { font-size: clamp(3.1rem,17vw,5rem); }
  .data-table { display: block; overflow-x: auto; }
  .site-footer { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .site-footer .filing-records, .site-footer div:last-child { justify-self: center; }
  .site-footer div:last-child { justify-content: center; }
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #06101e; --surface: rgba(15,31,51,.86); --ink: #f2f7ff; --muted: #a8b6c8; --line: rgba(220,238,255,.14); --blue-soft: #0c3158; --navy: #020914; }
  body { background: radial-gradient(circle at 78% 4%, rgba(8,127,245,.17), transparent 30rem), var(--paper); }
  .mark::after { border-color: var(--paper); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }