:root {
  --teal: #0b6e75;
  --teal-deep: #064e54;
  --sand: #f3eadc;
  --sand-dark: #e4d6be;
  --ink: #243038;
  --white: #fffdf8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--sand);
  color: var(--ink);
  line-height: 1.8;
}

a { color: var(--teal-deep); }

.site-header {
  background: var(--white);
  box-shadow: 0 1px 0 #ddd2bc;
}

.header-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 20px 20px 16px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--teal-deep);
  font-size: 22px;
  font-weight: 800;
}

.nav {
  margin-top: 14px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  background: var(--sand);
  color: var(--teal-deep);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 14px;
}

.nav a.current,
.nav a:hover {
  background: var(--teal);
  color: #fff;
}

.band { padding: 42px 20px; }

.band-teal { background: var(--teal); color: #f4fffe; }

.band-white { background: var(--white); }

.band-sand { background: var(--sand); }

.inner { max-width: 820px; margin: 0 auto; }

.hero h1 {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 800;
  margin: 8px 0 18px;
}

.hero p { margin-bottom: 12px; }

.cta-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
}

.btn-solid { background: #fff; color: var(--teal-deep); }

.btn-ghost { border: 1px solid #fff; color: #fff; }

.dl-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.dl-strip a {
  background: var(--teal-deep);
  color: #fff;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
}

.block { margin: 0; }

.block h2 {
  font-size: 24px;
  color: var(--teal-deep);
  text-align: center;
  margin-bottom: 16px;
}

.band-teal .block h2 { color: #fff; }

.block p { margin-bottom: 12px; }

.scene-card {
  background: var(--sand);
  border-radius: 18px;
  padding: 20px 22px;
  margin-bottom: 16px;
}

.band-sand .scene-card { background: var(--white); }

.scene-card h3 {
  color: var(--teal);
  font-size: 18px;
  margin-bottom: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
}

th, td {
  border-bottom: 1px solid var(--sand-dark);
  padding: 10px 8px;
  text-align: left;
}

th { color: var(--teal-deep); }

.faq-item { margin-bottom: 18px; }

.faq-item h3 { font-size: 17px; color: var(--teal-deep); margin-bottom: 6px; }

.site-footer {
  background: var(--teal-deep);
  color: #d5eeef;
  text-align: center;
  padding: 28px 16px 36px;
  font-size: 13px;
  line-height: 1.75;
}

.footer-nav { margin-bottom: 10px; }

.footer-nav a { color: #fff; margin: 0 8px; }

.safe-line { color: #ffe7b3; margin: 8px 0; }

@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
}