/* ===== 新增页面样式（沿用首页设计语言） ===== */

.crumb {
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.crumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  padding-bottom: 14px;
  font-size: 13px;
  color: var(--text-light);
}
.crumb a { color: var(--text-sub); }
.crumb a:hover { color: var(--primary); }

/* 系统页 Hero */
.os-hero {
  padding: 64px 0 56px;
  background: linear-gradient(180deg, #FFF6F5 0%, #FFFFFF 100%);
}
.os-hero-inner {
  display: flex;
  align-items: center;
  gap: 56px;
}
.os-hero-text { flex: 1; min-width: 0; }
.os-hero-text h1 {
  font-size: 40px;
  font-weight: 500;
  color: #2A2B2E;
  line-height: 1.3;
}
.os-hero-sub {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-sub);
  max-width: 520px;
}
.os-hero-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-light);
}
.os-hero-note a { color: #4A90D9; }
.os-hero-note a:hover { text-decoration: underline; }
.os-hero-img {
  width: 46%;
  max-width: 480px;
  flex-shrink: 0;
  border-radius: 16px;
}

/* 功能网格 */
.os-feats { padding: 72px 0; }
.os-feats h2 {
  font-size: 32px;
  font-weight: 500;
  text-align: center;
  color: #2A2B2E;
}
.os-feat-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.os-feat {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  background: rgba(244, 245, 247, 0.6);
  border-radius: 16px;
  transition: box-shadow .2s, transform .2s;
}
.os-feat:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.os-feat-icon {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
  background: #fff;
}
.os-feat h3 {
  font-size: 18px;
  font-weight: 500;
  color: #2A2B2E;
  margin-bottom: 6px;
}
.os-feat p {
  font-size: 14px;
  color: var(--text-sub);
}

/* 配置要求表格 */
.os-spec { padding: 0 0 80px; }
.os-spec h2 {
  font-size: 28px;
  font-weight: 500;
  text-align: center;
  color: #2A2B2E;
  margin-bottom: 28px;
}
.os-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.os-spec-table th,
.os-spec-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.os-spec-table th {
  width: 200px;
  font-weight: 500;
  color: #2A2B2E;
  background: rgba(244, 245, 247, 0.7);
}
.os-spec-table td { color: var(--text-sub); }
.os-spec-table tr:last-child th,
.os-spec-table tr:last-child td { border-bottom: none; }

/* 下载页补充 */
.dl-more-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--primary);
}
.dl-more-link:hover { text-decoration: underline; }
.dl-preview-sm { width: 220px; }

/* 词典APP 二维码 */
.app-qr {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-sub);
}
.app-qr-img {
  width: 96px;
  height: 96px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

@media (max-width: 900px) {
  .os-hero-inner { flex-direction: column; text-align: center; }
  .os-hero-text h1 { font-size: 30px; }
  .os-hero-sub { margin-left: auto; margin-right: auto; }
  .os-hero-img { width: 100%; }
  .os-hero .dl-btns { justify-content: center; flex-wrap: wrap; }
  .app-qr { justify-content: center; }
  .os-feat-grid { grid-template-columns: 1fr; }
  .os-spec-table th { width: 130px; }
}