:root {
  color-scheme: light;
  --ink: #1f2d3d;
  --blue: #087fb5;
  --blue-hover: #066b99;
  --line: #dfe6ee;
  --muted: #526579;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
a:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 5px;
}
::selection { background: #d6effb; color: var(--ink); }
.wrap { width: min(1032px, calc(100% - 48px)); margin-inline: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 600; }
.brand img { width: 36px; height: 36px; border-radius: 50%; }
.brand small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; color: var(--muted); font-size: 14px; }
.nav a, .footer a { text-decoration: none; }
.nav a:hover, .footer a:hover { color: var(--blue); }
.lang { width: 160px; max-width: 100%; min-height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font: inherit; }
.hero { padding-top: 48px; }
.hero-copy { text-align: center; }
.hero h1 { max-width: 860px; margin: 0 auto 20px; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.2; letter-spacing: -.025em; text-wrap: balance; }
.hero-copy > p { max-width: 680px; margin: 0 auto; color: var(--muted); font-size: 18px; }
.actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 8px; font-size: 15px; font-weight: 600; text-decoration: none; transition: background-color .18s ease, border-color .18s ease; }
.primary { background: var(--blue); color: #fff; }
.primary:hover { background: var(--blue-hover); }
.secondary { border-color: var(--line); background: #fff; color: var(--ink); }
.secondary:hover { background: #f7fafc; border-color: #b9c9d8; }
.workflow { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: center; margin-top: 56px; padding: 36px 0; border-block: 1px solid var(--line); scroll-margin-top: 24px; }
.workflow h2 { margin: 0; font-size: 26px; line-height: 1.3; }
.workflow ol { margin: 0; padding-inline-start: 24px; color: var(--muted); }
.workflow li { padding: 10px 0; padding-inline-start: 8px; }
.workflow li + li { border-top: 1px solid var(--line); }
.workflow li::marker { color: var(--blue); font-weight: 600; }
.section { padding: 56px 0; }
.section h2 { max-width: 860px; margin: 0 auto 16px; font-size: clamp(28px, 3vw, 36px); line-height: 1.3; letter-spacing: -.025em; text-wrap: balance; }
.section > h2, .section > .lede { text-align: center; }
.lede { max-width: 680px; margin: 0 auto; color: var(--muted); font-size: 16px; }
.features { margin-top: 36px; }
.feature { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 56px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.feature:first-child { border-top: 1px solid var(--line); }
.feature h3 { margin: 0; font-size: 22px; line-height: 1.4; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }
.process { padding-top: 0; }
.process > div { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 56px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.process h2 { margin: 0; font-size: 26px; }
.faq { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; padding-top: 0; }
.faq h2 { margin: 0 0 16px; font-size: 26px; }
.faq .lede { margin: 0 0 24px; }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-size: 16px; font-weight: 600; }
.faq summary::marker { color: var(--blue); }
.faq details p { margin: 12px 0 0; color: var(--muted); font-size: 15px; }
.footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; border-top: 1px solid var(--line); padding: 28px 0 36px; color: var(--muted); font-size: 13px; }
[dir="rtl"] .nav, [dir="rtl"] .brand { direction: rtl; }
@media (max-width: 720px) {
  .wrap { width: calc(100% - 40px); }
  .topbar { flex-wrap: wrap; padding: 18px 0; gap: 16px; }
  .nav { width: 100%; gap: 16px; }
  .lang { margin-inline-start: auto; width: 140px; }
  .hero { padding-top: 28px; }
  .hero-copy > p { font-size: 16px; }
  .workflow, .feature, .process > div, .faq { grid-template-columns: minmax(0, 1fr); gap: 20px; text-align: center; }
  .workflow { margin-top: 36px; padding: 32px 0; }
  .workflow ol { width: fit-content; max-width: 100%; margin-inline: auto; text-align: start; }
  .section { padding: 36px 0; }
  .features { margin-top: 28px; }
  .feature { gap: 12px; padding: 28px 0; }
  .feature h3 { font-size: 22px; }
  .process, .faq { padding-top: 0; }
  .process h2, .faq h2 { font-size: 24px; }
  .faq { gap: 28px; }
  .footer { justify-content: center; text-align: center; }
}
@media (max-width: 380px) {
  .nav { gap: 12px; }
  .lang { width: 120px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}