:root {
  color-scheme: light;
  --ink: #123c36;
  --muted: #5d746e;
  --soft: #edf6f2;
  --line: #d8e9e2;
  --accent: #14836f;
  --accent-dark: #0d6656;
  --warm: #f7f3e9;
  --warning: #fff7e5;
  --warning-line: #ecd79a;
  --white: #ffffff;
  --shadow: 0 18px 60px rgba(18, 60, 54, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7fbf9 0%, #eef7f3 50%, #f7f3e9 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

.shell {
  width: min(100% - 36px, 980px);
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: .02em;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  color: var(--white);
  background: linear-gradient(145deg, #17977b, #0d6656);
  box-shadow: 0 7px 16px rgba(13, 102, 86, .22);
  font-size: 22px;
}

nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--accent-dark); }

.hero {
  padding: clamp(44px, 8vw, 92px) 0 58px;
}

.hero.compact { padding-bottom: 32px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .15em;
}

h1, h2, h3 { line-height: 1.25; }
h1 { max-width: 760px; margin: 0; font-size: clamp(34px, 6vw, 58px); letter-spacing: -.04em; }
h2 { margin: 0 0 18px; font-size: clamp(23px, 4vw, 32px); letter-spacing: -.025em; }
h3 { margin: 0 0 8px; font-size: 18px; }

.lead {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2.5vw, 20px);
}

.meta { margin-top: 20px; color: var(--muted); font-size: 14px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 999px;
  color: var(--white);
  background: var(--accent-dark);
  text-decoration: none;
  font-weight: 700;
}
.button.secondary { color: var(--accent-dark); background: var(--white); border: 1px solid var(--line); }

main { padding-bottom: 60px; }
.section { margin: 0 0 44px; }
.section-intro { margin-top: -4px; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card {
  padding: 24px;
  border: 1px solid rgba(216, 233, 226, .92);
  border-radius: 22px;
  background: rgba(255, 255, 255, .82);
  box-shadow: var(--shadow);
}
.card p:last-child { margin-bottom: 0; }

.notice {
  margin: 0 0 28px;
  padding: 18px 20px;
  border: 1px solid var(--warning-line);
  border-radius: 18px;
  background: var(--warning);
  color: #6f5a1c;
}
.notice strong { color: #59470e; }

.list { margin: 0; padding-left: 1.3em; }
.list li + li { margin-top: 8px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 15px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--accent-dark); background: var(--soft); font-size: 14px; }
tr:last-child td { border-bottom: 0; }

.faq + .faq { margin-top: 22px; }
.faq h3 { color: var(--accent-dark); }

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 42px;
  color: var(--muted);
  font-size: 13px;
}
footer p { margin: 4px 0; }

.placeholder { color: #9c6d00; font-weight: 700; }
.small { color: var(--muted); font-size: 13px; }

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 980px); }
  .topbar { align-items: flex-start; flex-direction: column; }
  nav { gap: 12px; }
  .grid { grid-template-columns: 1fr; }
  .card { padding: 20px; }
}