/* 第3套 zh：长栏杂志，先场景再下载 */
:root {
  --s3-bg: #faf7f2;
  --s3-ink: #2a241c;
  --s3-mute: #6a5f52;
  --s3-line: #e0d6c8;
  --s3-green: #2c5f4a;
  --s3-green-d: #1e4334;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--s3-bg);
  color: var(--s3-ink);
  font-family: Georgia, "Songti SC", "SimSun", "Microsoft YaHei", serif;
  font-size: 18px;
  line-height: 1.9;
}
img, svg { max-width: 100%; vertical-align: middle; }
a { color: var(--s3-green); }
a:hover { color: var(--s3-green-d); }

.s3-bar {
  border-bottom: 1px solid var(--s3-line);
  background: #fffdf8;
}
.s3-bar-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 20px 10px;
}
.s3-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.04em;
}
.s3-nav {
  display: flex;
  gap: 18px;
  padding: 8px 0 14px;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 15px;
}
.s3-nav a { text-decoration: none; color: var(--s3-mute); }
.s3-nav a.is-current { color: var(--s3-green); font-weight: 700; }

.s3-main { max-width: 760px; margin: 0 auto; padding: 28px 20px 48px; }
.s3-kicker {
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--s3-green);
  text-transform: uppercase;
}
.s3-main h1 { font-size: 32px; line-height: 1.35; margin: 8px 0 18px; }
.s3-main h2 { font-size: 24px; margin: 36px 0 12px; }
.s3-main h3 { font-size: 18px; margin: 20px 0 8px; }
.s3-drop::first-letter {
  float: left;
  font-size: 56px;
  line-height: 0.85;
  padding: 6px 8px 0 0;
  color: var(--s3-green);
}
.s3-btn {
  display: inline-block;
  background: var(--s3-green);
  color: #fff;
  text-decoration: none;
  padding: 11px 20px;
  font-family: "Microsoft YaHei", sans-serif;
  font-weight: 700;
}
.s3-btn:hover { background: var(--s3-green-d); color: #fff; }
.s3-btn-line {
  display: inline-block;
  border-bottom: 2px solid var(--s3-green);
  text-decoration: none;
  padding: 6px 0;
  margin-right: 16px;
  font-family: "Microsoft YaHei", sans-serif;
}
.s3-rule { border: 0; border-top: 1px solid var(--s3-line); margin: 28px 0; }
.s3-faq dt { font-weight: 700; margin-top: 16px; }
.s3-faq dd { margin: 6px 0 0; color: var(--s3-mute); }
.s3-foot {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px 36px;
  font-size: 14px;
  color: var(--s3-mute);
  font-family: "Microsoft YaHei", sans-serif;
}

@media (max-width: 640px) {
  .s3-main h1 { font-size: 26px; }
  .s3-drop::first-letter { font-size: 42px; }
}