:root {
  color-scheme: light;
  --orange: #f57c00;
  --orange-dark: #d96200;
  --orange-soft: #fff4e8;
  --ink: #182235;
  --muted: #667085;
  --line: #e8ebf0;
  --surface: #ffffff;
  --page: #f7f8fa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(232, 235, 240, .92);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 800; }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(145deg, #ff9d28, var(--orange));
  display: inline-grid;
  place-items: center;
  font-size: 17px;
  box-shadow: 0 8px 22px rgba(245, 124, 0, .2);
}
.nav { display: flex; align-items: center; gap: 28px; color: #475467; font-size: 15px; }
.nav a:hover { color: var(--orange-dark); }
.nav-cta, .primary-btn, .secondary-btn {
  min-height: 44px;
  padding: 0 22px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.nav-cta, .primary-btn { color: #fff; background: var(--orange); }
.nav-cta:hover, .primary-btn:hover { color: #fff; background: var(--orange-dark); }
.secondary-btn { color: var(--orange-dark); border: 1px solid #ffc98f; background: var(--orange-soft); }
.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 78px;
  background:
    radial-gradient(circle at 86% 15%, rgba(255, 164, 61, .18), transparent 32%),
    linear-gradient(180deg, #fff 0%, #fffaf5 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr); gap: 60px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--orange-dark); font-size: 15px; font-weight: 800; letter-spacing: .08em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(40px, 5vw, 66px); line-height: 1.13; letter-spacing: -.035em; }
.hero h1 strong { color: var(--orange); }
.hero-copy { max-width: 710px; margin: 24px 0 0; color: #475467; font-size: 19px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.primary-btn, .secondary-btn { min-height: 50px; padding: 0 28px; }
.hero-card { padding: 27px; border: 1px solid #ffe0bd; border-radius: 24px; background: rgba(255, 255, 255, .93); box-shadow: 0 24px 60px rgba(112, 66, 16, .12); }
.hero-card-title { margin: 0 0 18px; font-size: 18px; font-weight: 800; }
.signal-list { display: grid; gap: 13px; }
.signal-item { padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.signal-item b { display: block; font-size: 15px; }
.signal-item span { display: block; margin-top: 3px; color: var(--muted); font-size: 13px; }
.section { padding: 76px 0; }
.section.white { background: #fff; }
.section-head { max-width: 760px; margin: 0 auto 38px; text-align: center; }
.section-head h2, .content h1 { margin: 0; font-size: clamp(30px, 4vw, 44px); line-height: 1.25; letter-spacing: -.025em; }
.section-head p { margin: 14px 0 0; color: var(--muted); font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: 0 10px 28px rgba(16, 24, 40, .04); }
.feature-card .icon { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; color: var(--orange-dark); background: var(--orange-soft); font-weight: 900; }
.feature-card h3 { margin: 16px 0 7px; font-size: 19px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 15px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.trust-item { padding: 23px; border-left: 3px solid var(--orange); background: #fff; }
.trust-item b { display: block; margin-bottom: 7px; }
.trust-item span { color: var(--muted); font-size: 14px; }
.faq { max-width: 880px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { padding: 20px 22px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq p { margin: 12px 0 0; color: var(--muted); }
.cta-band { padding: 38px; border-radius: 24px; color: #fff; background: linear-gradient(120deg, #e76f00, #ff9825); display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band h2 { margin: 0; font-size: 29px; }
.cta-band p { margin: 6px 0 0; color: rgba(255, 255, 255, .86); }
.cta-band .secondary-btn { flex: 0 0 auto; color: var(--orange-dark); border-color: #fff; background: #fff; }
.content { max-width: 920px; margin: 0 auto; padding: 76px 0; }
.content-lead { margin: 18px 0 34px; color: #475467; font-size: 18px; }
.content section { margin-top: 34px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.content h2 { margin: 0 0 10px; font-size: 24px; }
.content p, .content li { color: #475467; }
.content ul { margin: 12px 0 0; padding-left: 22px; }
.breadcrumb { margin-bottom: 24px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--orange-dark); }
.site-footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--muted); background: #fff; font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.filing-link { margin-left: 20px; color: var(--muted); text-decoration: none; }
.filing-link:hover { color: var(--orange-dark); text-decoration: underline; }
.risk { margin-top: 10px; max-width: 840px; }
@media (max-width: 860px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .nav a:not(.nav-cta) { display: none; }
  .hero { padding: 62px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-card { max-width: 620px; }
  .feature-grid, .trust-grid { grid-template-columns: 1fr; }
  .cta-band, .footer-inner { align-items: flex-start; flex-direction: column; }
  .content { padding: 54px 0; }
}