:root {
  color-scheme: light;
  --ink: #14213d;
  --muted: #596680;
  --line: #dfe5ee;
  --paper: #ffffff;
  --wash: #f4f7fb;
  --accent: #3157d5;
  --accent-2: #8a4fd7;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--wash); }
a { color: inherit; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 20; padding: 10px 14px; background: #fff; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(223,229,238,.9); background: rgba(255,255,255,.92); backdrop-filter: blur(16px); }
.header-inner { width: min(1160px, calc(100% - 32px)); min-height: 68px; margin: auto; display: flex; align-items: center; gap: 22px; }
.brand { margin-right: auto; font-size: 16px; font-weight: 800; text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.nav a { color: #3f4b63; font-size: 14px; text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }
.header-cta, .button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; color: #fff !important; background: #131b2e; font-weight: 700; text-decoration: none; }
.header-cta { padding: 10px 17px; font-size: 14px; }
.hero { color: #fff; background: radial-gradient(circle at 85% 0, rgba(149,106,255,.52), transparent 34%), linear-gradient(130deg,#111a33,#213b86 58%,#54328b); }
.hero-inner { width: min(1040px, calc(100% - 32px)); margin: auto; padding: 76px 0 70px; }
.eyebrow { margin: 0 0 14px; color: #d8e2ff; font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 860px; margin: 0; font-size: clamp(38px, 7vw, 72px); line-height: 1.07; letter-spacing: -.035em; }
.hero .lead { max-width: 780px; margin: 24px 0 0; color: #edf1ff; font-size: clamp(18px, 2.6vw, 23px); line-height: 1.75; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-meta span { padding: 8px 13px; border: 1px solid rgba(255,255,255,.23); border-radius: 999px; background: rgba(255,255,255,.08); font-size: 14px; }
.page { width: min(1040px, calc(100% - 32px)); margin: 38px auto 72px; }
.breadcrumbs { margin-bottom: 24px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--accent); text-decoration: none; }
.section { margin-top: 24px; padding: clamp(24px, 5vw, 48px); border: 1px solid var(--line); border-radius: 24px; background: var(--paper); box-shadow: 0 18px 54px rgba(27,43,77,.07); }
.section h2 { margin: 0 0 18px; font-size: clamp(26px, 4vw, 38px); letter-spacing: -.02em; }
.section h3 { margin: 28px 0 10px; font-size: 21px; }
.section p, .section li { color: #344159; font-size: 17px; line-height: 1.85; }
.section ul, .section ol { padding-left: 22px; }
.section li + li { margin-top: 9px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.track-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.card { position: relative; overflow: hidden; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; text-decoration: none; }
.card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--card-accent,#3157d5); }
.card h2, .card h3 { margin: 0 0 9px; font-size: 23px; }
.card p { margin: 0; color: var(--muted); line-height: 1.72; }
.card .more { display: inline-block; margin-top: 16px; color: var(--accent); font-weight: 800; }
.tone-violet { --card-accent: #8a4fd7; }
.tone-blue { --card-accent: #3157d5; }
.tone-rose { --card-accent: #d34f79; }
.tone-cyan { --card-accent: #1596a6; }
.tone-amber { --card-accent: #d58b1f; }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 !important; list-style: none; }
.pill-list li { margin: 0 !important; padding: 8px 13px; border-radius: 999px; background: #eef3fb; color: #2e3b55; font-size: 15px; }
.notice { padding: 18px 20px; border-left: 4px solid var(--accent); border-radius: 12px; background: #edf3ff; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #fff; background: linear-gradient(125deg,#182648,#2e54bd); }
.cta-panel h2 { margin-bottom: 8px; }
.cta-panel p { margin: 0; color: #dfe7ff; }
.button { flex: 0 0 auto; min-height: 48px; padding: 0 22px; background: #fff; color: #162342 !important; }
.timeline { list-style: none; padding: 0 !important; }
.timeline li { position: relative; margin: 0 !important; padding: 0 0 28px 34px; border-left: 2px solid #cad5ea; }
.timeline li::before { content: ""; position: absolute; top: 7px; left: -8px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px #e8efff; }
.timeline li:last-child { padding-bottom: 0; border-left-color: transparent; }
.timeline strong { display: block; color: var(--ink); font-size: 18px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:first-of-type { border-top: 0; }
.faq summary { cursor: pointer; padding: 20px 0; color: var(--ink); font-size: 18px; font-weight: 800; }
.faq details p { margin-top: 0; }
.site-footer { color: #dce4f5; background: #101827; }
.footer-inner { width: min(1040px, calc(100% - 32px)); margin: auto; padding: 38px 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.footer-links a { color: #dce4f5; font-size: 14px; }
.fineprint { margin-top: 24px; color: #98a6c1; font-size: 13px; }
@media (max-width: 820px) {
  .nav { display: none; }
  .grid, .track-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 56px 0; }
  .cta-panel { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .header-inner { min-height: 60px; }
  .brand { max-width: 210px; font-size: 14px; }
  .header-cta { padding: 9px 13px; }
  .section { border-radius: 18px; }
}