:root {
  --paper: #f3efe6;
  --paper-2: #e7e1d4;
  --ink: #1c1914;
  --ink-soft: #5c564c;
  --line: #d4cdbf;
  --green: #1f6b45;
  --green-ink: #f4fff8;
  --night: #1c1914;
  --night-ink: #f3efe6;
  --warn: #8a5a12;
  --warn-bg: #f6ecd6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "STSong", "SimSun", serif;
  --sans: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", "Sarasa Mono SC", "Source Code Pro", Consolas, monospace;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--green); text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }
img { max-width: 100%; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  z-index: 5;
}
.skip:focus { top: 12px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(243, 239, 230, 0.92);
  position: sticky;
  top: 0;
  z-index: 4;
  backdrop-filter: blur(8px);
}
.header-row {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
  line-height: 1.1;
}
.brand strong {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand span { color: var(--ink-soft); font-size: 12px; margin-top: 3px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
}
.nav a[aria-current="page"] { color: var(--green); box-shadow: inset 0 -2px 0 var(--green); }
.lang {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  flex: none;
}
.lang a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 13px;
  padding: 6px 10px;
}
.lang a[aria-current="true"] { background: var(--ink); color: var(--paper); }

.hero { padding: 64px 0 28px; }
.kicker {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  letter-spacing: 0.08em;
}
h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 16em;
}
.lede { max-width: 40em; margin: 0; font-size: 18px; color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 15px;
}
.btn-primary { background: var(--green); color: var(--green-ink); }
.btn-primary:hover { background: var(--ink); color: var(--paper); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.section { padding: 28px 0 10px; }
h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 8px;
}
.sub { margin: 0 0 22px; color: var(--ink-soft); max-width: 40em; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel {
  background: #faf7f1;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 22px 18px;
}
.panel h2 { font-size: 30px; }
.price-table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; }
.price-table th, .price-table td {
  text-align: left;
  padding: 10px 18px 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-weight: 400;
}
.price-table th:last-child, .price-table td:last-child { padding-right: 0; }
.price-table th { color: var(--ink-soft); font-size: 13px; font-weight: 600; }
.pay { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }

.addr {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  background: var(--night);
  color: var(--night-ink);
  border-radius: 14px;
  padding: 14px;
  margin-top: 8px;
}
.addr .label { grid-column: 1 / -1; }
.addr .label { font-size: 12px; color: #c9c2b4; }
.addr code {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.45;
  word-break: break-all;
  color: var(--night-ink);
}
.copy {
  border: 1px solid #8d877b;
  background: transparent;
  color: var(--night-ink);
  border-radius: 999px;
  min-height: 36px;
  padding: 0 12px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.copy:hover, .copy:focus-visible { background: var(--paper); color: var(--ink); }
.copy.done { background: var(--green); border-color: var(--green); color: var(--green-ink); }

.note {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--warn-bg);
  color: var(--warn);
  border-radius: 12px;
  font-size: 15px;
}
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.steps li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: start;
}
.num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
}
.faq { display: grid; gap: 10px; }
.faq details {
  background: #faf7f1;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 16px;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 4px; color: var(--ink); }
.more { margin: 18px 0 0; }

.contact-row { display: flex; flex-wrap: wrap; gap: 18px 32px; margin: 8px 0 0; }
.contact-row a { color: var(--ink); font-weight: 600; }
.contact-row span { display: block; color: var(--ink-soft); font-size: 13px; font-weight: 400; }

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding: 22px 0 36px;
  color: var(--ink-soft);
  font-size: 14px;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

@media (max-width: 800px) {
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .header-row { flex-wrap: wrap; min-height: 0; padding: 12px 0; gap: 12px 16px; }
  .nav { order: 3; width: 100%; gap: 16px; overflow-x: auto; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; }
  h1 { font-size: 34px; }
}