:root {
  --forest: #1b4d3e;
  --leaf: #2e7d4f;
  --paper: #f4f1e8;
  --board: #e8eef0;
  --ink: #24302c;
  --muted: #4f5d58;
  --card: #fffef9;
  --rule: #c5d0c8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Palatino Linotype", "Noto Serif SC", "STSong", serif;
  background: var(--board);
  color: var(--ink);
  line-height: 1.85;
}

.mast {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.mast-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px 0;
}
.brand-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.brand-row a.logo {
  text-decoration: none;
  color: var(--forest);
  font-size: 28px;
  letter-spacing: 0.16em;
}
.tagline { font-size: 13px; color: var(--muted); }
.mast nav {
  display: flex;
  gap: 24px;
  margin-top: 16px;
}
.mast nav a {
  text-decoration: none;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 2px solid transparent;
}
.mast nav a.active { border-bottom-color: var(--leaf); color: var(--forest); font-weight: 700; }

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 36px 24px 8px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}
.hero h1 { font-size: 32px; line-height: 1.4; margin: 0 0 12px; }
.hero-side {
  background: var(--forest);
  color: #e7f3ec;
  padding: 18px 18px 10px;
}
.hero-side h2, .hero-side strong { font-size: 16px; margin: 0 0 8px; color: #cfe8d8; font-family: "Microsoft YaHei", sans-serif; display: block; }

.btn {
  display: inline-block;
  text-decoration: none;
  font-family: "Microsoft YaHei", sans-serif;
  padding: 10px 16px;
  margin: 0 8px 8px 0;
}
.btn-leaf { background: var(--leaf); color: #fff; }
.btn-forest { background: var(--forest); color: #fff; }
.btn-paper { background: var(--paper); color: var(--forest); border: 1px solid var(--forest); }

.magazine {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 24px 48px;
}
.q-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 12px 0 8px;
}
.q-card {
  background: var(--card);
  border-top: 5px solid var(--forest);
  padding: 16px 18px 8px;
}
.q-card h2 { font-size: 20px; margin: 0 0 10px; }

.wide { margin: 28px 0; }
h2 { font-size: 22px; }

.qa-list .item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  background: var(--card);
  margin: 12px 0;
  padding: 14px 16px;
}
.qa-list .qmark {
  font-size: 28px;
  color: var(--leaf);
  font-weight: 700;
  line-height: 1;
}

.dl-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 10px;
}
.dl-mosaic article {
  background: var(--paper);
  padding: 14px;
  border: 1px solid var(--rule);
}

footer {
  background: var(--forest);
  color: #d5e8dc;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  line-height: 1.8;
  padding: 26px 0 34px;
}
footer .magazine { padding-bottom: 0; }
footer a { color: #fff; }
footer .safe { color: #c8ebd4; }

ol, ul { padding-left: 22px; }
li { margin-bottom: 6px; }

@media (max-width: 860px) {
  .hero, .q-grid { grid-template-columns: 1fr; }
  .dl-mosaic { grid-template-columns: 1fr 1fr; }
  .qa-list .item { grid-template-columns: 1fr; }
}