:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #5c696e;
  --paper: #f5f2eb;
  --surface: rgba(255, 255, 255, 0.72);
  --line: rgba(23, 33, 38, 0.13);
  --accent: #e2654c;
  --accent-dark: #a83d2b;
  --teal: #176b66;
  --radius: 28px;
  --shadow: 0 24px 70px rgba(41, 50, 52, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 8%, rgba(226, 101, 76, .16), transparent 30rem),
    radial-gradient(circle at 8% 42%, rgba(23, 107, 102, .13), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font: 17px/1.65 ui-rounded, "SF Pro Rounded", "SF Pro Display", system-ui, -apple-system, sans-serif;
}
a { color: inherit; text-underline-offset: .18em; }
a:hover { color: var(--accent-dark); }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 20; background: white; padding: .7rem 1rem; border-radius: 999px; }
.skip-link:focus { top: 1rem; }
.site-header, main, .site-footer { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand img { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,.13); }
.site-nav { display: flex; gap: 22px; align-items: center; font-size: .94rem; }
.site-nav a { text-decoration: none; }
.language-switch { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.45); }
.language-switch button { border: 0; background: transparent; color: var(--muted); padding: 6px 10px; border-radius: 999px; cursor: pointer; font: inherit; font-size: .82rem; }
.language-switch button[aria-pressed="true"] { background: var(--ink); color: white; }
.hero { min-height: 680px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(40px, 8vw, 100px); padding: 70px 0 110px; }
.eyebrow { color: var(--teal); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.045em; }
h1 { margin: .35em 0 .3em; font-size: clamp(3.15rem, 7vw, 6.6rem); max-width: 9ch; }
h2 { font-size: clamp(2.1rem, 4vw, 3.6rem); margin: 0 0 .35em; }
h3 { font-size: 1.32rem; margin: 0 0 .5em; }
.lede { max-width: 610px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 10px 21px; border-radius: 999px; background: var(--ink); color: white; font-weight: 720; text-decoration: none; }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.phone { width: min(350px, 82vw); aspect-ratio: .51; margin-inline: auto; padding: 14px; border-radius: 52px; background: #11191d; box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.55) inset; transform: rotate(3deg); }
.screen { height: 100%; position: relative; overflow: hidden; border-radius: 40px; background: linear-gradient(155deg, #8ec5bd, #ebc0a1 48%, #545f65); }
.screen::before { content: ""; position: absolute; width: 61%; aspect-ratio: .78; left: 20%; top: 25%; border: 3px solid rgba(255,255,255,.72); border-radius: 50%; }
.guidance-pill { position: absolute; top: 12%; left: 50%; transform: translateX(-50%); white-space: nowrap; background: rgba(255,255,255,.88); color: #18504d; padding: 10px 16px; border-radius: 999px; font-size: .78rem; font-weight: 800; box-shadow: 0 8px 28px rgba(0,0,0,.14); }
.shutter { position: absolute; bottom: 7%; left: 50%; translate: -50% 0; width: 70px; height: 70px; border: 6px solid rgba(255,255,255,.9); border-radius: 50%; box-shadow: inset 0 0 0 4px rgba(255,255,255,.35); }
.section { padding: 100px 0; }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading p, .card p, .policy-card p, .policy-card li { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card, .policy-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); backdrop-filter: blur(18px); box-shadow: 0 12px 42px rgba(40, 48, 50, .07); }
.card { min-height: 265px; padding: 26px; }
.step { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 42px; border-radius: 50%; background: rgba(226, 101, 76, .14); color: var(--accent-dark); font-weight: 800; }
.privacy-band { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.privacy-copy { padding: 48px; border-radius: var(--radius); background: var(--ink); color: white; }
.privacy-copy p { color: #c9d1d3; }
.privacy-list { margin: 0; padding: 38px 42px; list-style: none; }
.privacy-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.privacy-list li:last-child { border: 0; }
.page-hero { padding: 80px 0 45px; max-width: 800px; }
.page-hero h1 { max-width: none; font-size: clamp(2.8rem, 6vw, 5rem); }
.policy-card { padding: clamp(24px, 5vw, 58px); margin-bottom: 28px; }
.policy-card h2 { margin-top: 1.4em; font-size: 1.65rem; }
.policy-card h2:first-child { margin-top: 0; }
.policy-card li { margin-bottom: .55em; }
.contact { font-size: 1.16rem; font-weight: 740; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; padding: 44px 0 60px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
[data-copy="zh"] { display: none; }
html[data-language="zh"] [data-copy="en"] { display: none; }
html[data-language="zh"] [data-copy="zh"] { display: revert; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 45px; text-align: center; }
  .hero-copy { display: grid; justify-items: center; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .privacy-band { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .site-header { align-items: flex-start; }
  .site-nav > a { display: none; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .step { margin-bottom: 25px; }
  .privacy-copy, .privacy-list { padding: 28px; }
  .site-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --ink: #edf1f0; --muted: #aebbbd; --paper: #111719; --surface: rgba(28,38,41,.8); --line: rgba(255,255,255,.13); --accent-dark: #ff8a72; }
  .privacy-copy { background: #edf1f0; color: #172126; }
  .privacy-copy p { color: #48565a; }
  .button { background: #edf1f0; color: #172126; }
  .button.secondary { color: var(--ink); background: transparent; }
  .language-switch button[aria-pressed="true"] { background: #edf1f0; color: #172126; }
}