/* 第1套：杂志双栏 + 右侧栏，衬线标题，海军蓝/珊瑚红 */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  color: #243044;
  background: #f6f1e8;
  line-height: 1.85;
  font-size: 16px;
}
img, svg { max-width: 100%; display: block; }
a { color: #1b2a4a; }
.wrap { width: min(1100px, calc(100% - 40px)); margin: 0 auto; }

header.site {
  background: #1b2a4a;
  color: #f6f1e8;
  border-bottom: 6px solid #d4574e;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Georgia, "Source Han Serif SC", serif;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: #f6f1e8;
  text-decoration: none;
}
.brand svg { width: 28px; height: 28px; }
nav.menu { display: flex; gap: 6px; }
nav.menu a {
  color: #f6f1e8;
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid transparent;
  font-size: 14px;
}
nav.menu a.current {
  border-color: #d4574e;
  background: #d4574e;
  color: #fff;
}

.hero {
  background:
    linear-gradient(180deg, rgba(27,42,74,0.04), transparent 40%),
    repeating-linear-gradient(90deg, #f6f1e8 0 28px, #f3ecdf 28px 29px);
  padding: 42px 0 36px;
  border-bottom: 1px solid #e4d8c4;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 36px;
  align-items: start;
}
.hero h1 {
  font-family: Georgia, "Source Han Serif SC", serif;
  font-size: 32px;
  line-height: 1.35;
  color: #1b2a4a;
  margin-bottom: 16px;
}
.hero-copy p { margin-bottom: 12px; }
.hero-copy .points { margin: 14px 0 18px 20px; }
.hero-panel {
  background: #fff;
  border: 1px solid #e4d8c4;
  padding: 20px;
  box-shadow: 8px 8px 0 #1b2a4a;
}
.hero-panel h2, .hero-panel .panel-title {
  font-size: 16px;
  margin-bottom: 12px;
  color: #d4574e;
}
.btn-row { display: flex; flex-direction: column; gap: 8px; }
.btn {
  display: block;
  text-align: center;
  text-decoration: none;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid #1b2a4a;
}
.btn-win { background: #d4574e; color: #fff; border-color: #d4574e; }
.btn-mac { background: #1b2a4a; color: #fff; }
.btn-ios, .btn-and { background: #fff; color: #1b2a4a; }
.btn-ghost { background: transparent; color: #1b2a4a; }

.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  padding: 36px 0 48px;
}
.block {
  background: #fff;
  border-left: 4px solid #d4574e;
  padding: 22px 24px 8px;
  margin-bottom: 22px;
  box-shadow: 0 1px 0 #e4d8c4;
}
.block h2 {
  font-family: Georgia, "Source Han Serif SC", serif;
  font-size: 22px;
  color: #1b2a4a;
  margin-bottom: 12px;
}
.block p { margin-bottom: 12px; }
.block ul, .block ol { margin: 0 0 14px 22px; }
.block li { margin-bottom: 6px; }
.note {
  background: #fff4f2;
  border: 1px dashed #d4574e;
  padding: 12px 14px;
  margin: 12px 0 16px;
}
table.sheet {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 18px;
  font-size: 14px;
}
table.sheet th, table.sheet td {
  border: 1px solid #e4d8c4;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
table.sheet th { background: #1b2a4a; color: #f6f1e8; }
table.sheet tr:nth-child(even) td { background: #fbf7ef; }

.rail { position: sticky; top: 16px; }
.rail-card {
  background: #1b2a4a;
  color: #f6f1e8;
  padding: 16px 16px 8px;
  margin-bottom: 16px;
}
.rail-card h3 { font-size: 15px; margin-bottom: 8px; color: #ffd1cc; }
.rail-card p, .rail-card li { font-size: 13px; line-height: 1.7; }
.rail-card a { color: #ffd1cc; }

.cta-band {
  background: #fff;
  border: 2px solid #1b2a4a;
  padding: 18px 20px;
  margin: 8px 0 22px;
}
.cta-band .btn-row { flex-direction: row; flex-wrap: wrap; }
.cta-band .btn { min-width: 180px; }

.faq details {
  background: #fff;
  border-bottom: 1px solid #e4d8c4;
  padding: 10px 4px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: #1b2a4a;
}
.faq details p { margin: 8px 0 6px; }

footer.site {
  background: #1b2a4a;
  color: #d7deea;
  padding: 28px 0;
  font-size: 13px;
  line-height: 1.75;
}
footer.site p { margin-bottom: 8px; }

@media (max-width: 900px) {
  .hero-grid, .layout { grid-template-columns: 1fr; }
  .rail { position: static; }
  header.site .wrap { flex-direction: column; padding: 12px 0; }
}