.home-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  padding: 34px 2px 23px;
  border-bottom: 1px solid #d9dde1;
}
.home-heading h1 {
  margin: 8px 0 9px;
  color: var(--navy2);
  font: 500 clamp(28px, 3vw, 40px) / 1.2 Georgia, "Songti SC", "SimSun", serif;
  letter-spacing: .03em;
}
.home-heading p { margin: 0; color: #697584; font-size: 13px; }
.heading-note {
  display: grid;
  gap: 5px;
  padding-left: 25px;
  border-left: 2px solid var(--gold);
  text-align: right;
  white-space: nowrap;
}
.heading-note strong { color: var(--navy); font: 500 14px Georgia, "Songti SC", "SimSun", serif; }
.heading-note span { color: #8a939e; font-size: 10px; }
.level-hub { padding: 24px 0 2px; }
.level-hub-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 13px; }
.level-hub-head h2 { margin: 5px 0 0; color: var(--navy2); font: 500 20px Georgia, "Songti SC", "SimSun", serif; }
.level-reset {
  padding: 7px 12px;
  border: 1px solid #d5dbe1;
  border-radius: 2px;
  background: #fff;
  color: #6d7885;
  font: inherit;
  font-size: 10px;
  cursor: pointer;
}
.level-reset.active, .level-reset:hover { border-color: var(--gold); background: #f7f3e9; color: var(--navy); }
.level-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.level-card {
  position: relative;
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 18px 18px 15px;
  overflow: hidden;
  border: 1px solid #dce1e5;
  border-top: 3px solid #8b99a7;
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: .18s ease;
}
.level-card:hover, .level-card.active { transform: translateY(-2px); border-color: #aeb8c2; box-shadow: 0 9px 22px rgba(18,31,48,.08); }
.level-card.national { border-top-color: #b43d35; }
.level-card.jiangsu { border-top-color: #b98531; }
.level-card.yangzhou { border-top-color: #326a94; }
.level-card.yizheng { border-top-color: #39745e; }
.level-card.active { background: #132d46; color: #fff; }
.level-card strong { color: inherit; font: 600 18px Georgia, "Songti SC", "SimSun", serif; }
.level-types { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 10px; }
.level-types i { padding: 3px 5px; background: #f0f2f4; color: #6f7983; font-style: normal; font-size: 8px; }
.level-card.active .level-types i { background: rgba(255,255,255,.09); color: #d7e0e7; }
.library { padding: 25px 0 48px; }
.section-head { align-items: center; }
.sort-note { margin: 0; color: #788390; font-size: 11px; }
.document-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.document-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  min-height: 310px;
  padding: 22px 24px;
  border-left: 1px solid var(--line);
}
.document-card:hover {
  transform: translateY(-2px);
  border-color: #c9cfd6;
  box-shadow: 0 12px 28px rgba(18, 31, 48, .08);
}
.doc-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; color: #778291; font-size: 10px; }
.article-date { color: var(--gold2); font-weight: 700; letter-spacing: .04em; }
.level-badge, .fund-badge { padding-left: 8px; border-left: 1px solid #d9dde1; }
.doc-card-head .star { margin-left: auto; color: var(--gold); font-size: 14px; }
.document-card h3 {
  margin: 0 0 10px;
  color: var(--navy2);
  font: 600 20px/1.48 Georgia, "Songti SC", "SimSun", serif;
}
.doc-meta { display: flex; flex-wrap: wrap; gap: 5px 13px; margin: 0 0 14px; color: #87919c; font-size: 10px; }
.doc-summary {
  display: -webkit-box;
  margin: 0 0 13px;
  overflow: hidden;
  color: #4f5d6d;
  font-size: 12px;
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.keypoint-preview {
  display: -webkit-box;
  margin: 0;
  padding: 10px 12px;
  overflow: hidden;
  border-left: 2px solid var(--gold);
  background: #f7f6f2;
  color: #5b6570;
  font-size: 11px;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.keypoint-preview b { margin-right: 6px; color: var(--gold2); font-weight: 700; }
.keypoint-preview p { display: inline; margin: 0; }
.doc-card-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 17px;
}
.doc-card-foot .doc-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.doc-card-foot .doc-tags span { padding: 3px 7px; background: #eef1f3; color: #687481; font-size: 9px; }
.doc-card-foot .status { flex: 0 0 auto; font-size: 9px; }
.lead-card { border-color: #162c43; background: linear-gradient(145deg, #10263d 0%, #183a58 100%); }
.lead-card h3 { color: #fff; }
.lead-card .doc-meta { color: #c5d0da; }
.lead-card .doc-summary { color: #d9e1e8; }
.lead-card .doc-card-head { color: #b8c5d0; }
.lead-card .keypoint-preview { background: rgba(255,255,255,.08); color: #d7dfe7; }
.lead-card .doc-card-foot .doc-tags span { background: rgba(255,255,255,.1); color: #d9e1e8; }
@media (min-width: 1350px) {
  .document-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .document-card { min-height: 330px; }
}
@media (max-width: 900px) {
  .home-heading { align-items: flex-start; padding-top: 25px; }
  .level-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .document-list { grid-template-columns: 1fr; }
  .document-card { min-height: 270px; }
}
@media (max-width: 620px) {
  .home-heading { display: block; }
  .heading-note { display: none; }
  .home-heading h1 { font-size: 28px; }
  .home-heading p { line-height: 1.65; }
  .level-hub { padding-top: 19px; }
  .level-grid { gap: 7px; }
  .level-card { padding: 15px 13px 13px; }
  .level-card strong { font-size: 16px; }
  .level-types i { font-size: 7px; }
  .section-head { align-items: flex-start; gap: 8px; }
  .sort-note { text-align: left; }
  .document-card { min-height: 0; padding: 19px 18px; }
  .document-card h3 { font-size: 18px; }
  .doc-card-foot { align-items: flex-start; }
}