/* ===== 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; }
}

/* ===== 首页新增板块 & 内容页 ===== */
.sec-more { margin-top: 28px; text-align: center; font-size: 14px; }
.sec-more a { color: var(--primary); }
.sec-more a:hover { text-decoration: underline; }

.rv-section { padding: 72px 0; background: rgba(244,245,247,.5); }
.bg-section, .faq-section { padding: 72px 0; }
.rv-section h2, .bg-section h2, .faq-section h2 {
  font-size: 32px; font-weight: 500; text-align: center; color: #2A2B2E;
}
.rv-grid, .bg-grid {
  margin-top: 40px; display: grid; gap: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.rv-card { background: #fff; border-radius: 16px; padding: 26px; box-shadow: 0 4px 18px rgba(0,0,0,.05); }
.rv-stars { color: #F5A623; font-size: 15px; letter-spacing: 2px; }
.rv-score { margin-left: 8px; color: var(--text-light); font-size: 13px; letter-spacing: 0; }
.rv-card blockquote { margin: 14px 0 16px; font-size: 15px; line-height: 1.8; color: var(--text-sub); }
.rv-card figcaption { font-size: 13px; color: #2A2B2E; font-weight: 500; }

.bg-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; }
.bg-card-img { width: 100%; height: 168px; object-fit: cover; background: #f4f5f7; }
.bg-card-body { padding: 22px; }
.bg-card-body time { font-size: 12px; color: var(--text-light); }
.bg-card-body h3 { margin: 8px 0 10px; font-size: 18px; font-weight: 500; line-height: 1.5; }
.bg-card-body h3 a { color: #2A2B2E; }
.bg-card-body h3 a:hover { color: var(--primary); }
.bg-card-body p { font-size: 14px; color: var(--text-sub); line-height: 1.8; }

.faq-list { margin-top: 36px; max-width: 860px; margin-left: auto; margin-right: auto; }
.faq-item { border: 1px solid var(--border); border-radius: 12px; background: #fff; margin-bottom: 12px; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 22px;
  font-size: 16px; font-weight: 500; color: #2A2B2E; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; color: var(--text-light); font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-answer { padding: 0 22px 20px; font-size: 14px; color: var(--text-sub); line-height: 1.9; }

/* 下载中心卡片 */
.dl-card-grid { margin-top: 40px; display: grid; gap: 24px; grid-template-columns: repeat(3, minmax(0,1fr)); }
.dl-card {
  display: block; text-align: center; padding: 30px 24px; border-radius: 16px;
  background: #fff; border: 1px solid var(--border); transition: box-shadow .2s, transform .2s;
}
.dl-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.dl-card-img { width: 100%; max-width: 220px; border-radius: 12px; }
.dl-card h3 { margin: 18px 0 8px; font-size: 19px; font-weight: 500; color: #2A2B2E; }
.dl-card p { font-size: 14px; color: var(--text-sub); min-height: 44px; }
.dl-card-btn { display: inline-block; margin-top: 12px; font-size: 14px; color: var(--primary); }

/* 通用内容页 */
.doc-page { padding: 56px 0 80px; }
.doc-head { max-width: 820px; }
.doc-head h1 { font-size: 36px; font-weight: 500; color: #2A2B2E; line-height: 1.35; }
.doc-lead { margin-top: 16px; font-size: 16px; color: var(--text-sub); line-height: 1.9; }
.doc-block { margin-top: 40px; max-width: 860px; }
.doc-block h2 { font-size: 22px; font-weight: 500; color: #2A2B2E; margin-bottom: 14px; }
.doc-block p { font-size: 15px; color: var(--text-sub); line-height: 1.95; margin-bottom: 12px; }
.doc-block a { color: var(--primary); }
.doc-block a:hover { text-decoration: underline; }
.sitemap-list { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px 20px; }
.sitemap-list a { font-size: 14px; color: var(--text-sub); }
.sitemap-list a:hover { color: var(--primary); }

/* 博客列表 */
.post { display: flex; gap: 28px; align-items: flex-start; margin-top: 44px; padding-top: 36px; border-top: 1px solid var(--border); }
.post-img { width: 240px; flex-shrink: 0; border-radius: 12px; object-fit: cover; background: #f4f5f7; }
.post-body { min-width: 0; }
.post-body time { font-size: 12px; color: var(--text-light); }
.post-body h2 { margin: 8px 0 10px; font-size: 24px; font-weight: 500; color: #2A2B2E; }
.post-lead { font-size: 15px; color: #2A2B2E; margin-bottom: 12px; }
.post-body p { font-size: 15px; color: var(--text-sub); line-height: 1.95; margin-bottom: 10px; }

@media (max-width: 900px) {
  .rv-grid, .bg-grid, .dl-card-grid, .sitemap-list { grid-template-columns: 1fr; }
  .rv-section h2, .bg-section h2, .faq-section h2 { font-size: 26px; }
  .doc-head h1 { font-size: 28px; }
  .post { flex-direction: column; }
  .post-img { width: 100%; }
}

/* ===== 资讯列表 & 文章内页 ===== */
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-light); }
.news-cat { padding: 2px 10px; border-radius: 999px; background: rgba(224, 67, 61, .08); color: var(--primary); }
.news-more { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--primary); }
.news-more:hover { text-decoration: underline; }
.bg-card-imglink { display: block; }
.news-grid { margin-top: 28px; }

.news-top {
  margin-top: 40px; display: flex; gap: 32px; align-items: stretch;
  background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
}
.news-top-imglink { flex-shrink: 0; width: 46%; max-width: 460px; }
.news-top-img { width: 100%; height: 100%; object-fit: cover; background: #f4f5f7; }
.news-top-body { padding: 30px 32px 30px 0; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.news-top-body h2 { margin: 12px 0 12px; font-size: 26px; font-weight: 500; line-height: 1.5; }
.news-top-body h2 a { color: #2A2B2E; }
.news-top-body h2 a:hover { color: var(--primary); }
.news-top-body p { font-size: 15px; color: var(--text-sub); line-height: 1.9; }

.news-article .doc-head .news-meta { margin-bottom: 14px; }
.news-hero-img { margin-top: 32px; width: 100%; max-width: 860px; border-radius: 16px; background: #f4f5f7; }
.news-body p { font-size: 16px; }
.news-tip {
  margin-top: 32px; max-width: 860px; padding: 22px 26px;
  background: rgba(244, 245, 247, .8); border-left: 3px solid var(--primary); border-radius: 12px;
}
.news-tip h2 { font-size: 17px; font-weight: 500; color: #2A2B2E; margin-bottom: 10px; }
.news-tip ul { padding-left: 20px; }
.news-tip li { font-size: 14px; color: var(--text-sub); line-height: 1.9; list-style: disc; }

@media (max-width: 900px) {
  .news-top { flex-direction: column; }
  .news-top-imglink { width: 100%; max-width: none; }
  .news-top-img { height: 200px; }
  .news-top-body { padding: 24px; }
  .news-top-body h2 { font-size: 21px; }
}