/* ═══════════════════════════════════════════════════════════
   COSE 职业技能证书 · 列表页 /cose.html + 详情页 /cose/{id}.html
   v111 · 分类筛选 + 卡片网格 + 详情两栏
   ═══════════════════════════════════════════════════════════ */

/* ── 1. 列表页 Hero ── */
.cl-hero {
  background: linear-gradient(135deg, #0A1B36 0%, #102B5C 52%, #14406E 100%);
  padding: 18px 0 34px;
  color: #fff;
}

.cl-hero .breadcrumb { margin-bottom: 18px; font-size: 13px; color: rgba(255, 255, 255, .62); }
.cl-hero .breadcrumb a { color: rgba(255, 255, 255, .78); }
.cl-hero .breadcrumb a:hover { color: #fff; }
.cl-hero .breadcrumb .sep { margin: 0 7px; color: rgba(255, 255, 255, .35); }
.cl-hero .breadcrumb .cur { color: #fff; font-weight: 600; }

.cl-hero-in {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.cl-hero-tx { min-width: 0; flex: 1 1 460px; }
.cl-hero-tx h1 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.4px;
  line-height: 1.28;
  color: #fff;
  margin: 0 0 10px;
}
.cl-hero-tx > p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, .72);
  margin: 0 0 18px;
  line-height: 1.6;
}

.cl-hero-stats { display: flex; gap: 30px; flex-wrap: wrap; }
.cl-stat { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.cl-stat b {
  font-size: 23px;
  font-weight: 800;
  color: #7FB4FF;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cl-stat span { font-size: 12px; color: rgba(255, 255, 255, .55); }

.cl-search {
  position: relative;
  flex: 0 1 340px;
  min-width: 0;
}
.cl-search-ic {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  opacity: .55;
  pointer-events: none;
}
.cl-search input {
  width: 100%;
  height: 50px;
  padding: 0 18px 0 42px;
  border-radius: 25px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .10);
  color: #fff;
  font-size: 14.5px;
  outline: none;
  box-sizing: border-box;
  transition: .2s;
}
.cl-search input::placeholder { color: rgba(255, 255, 255, .48); }
.cl-search input:focus {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(127, 180, 255, .6);
}

/* ── 2. 主体 ── */
.cl-body { padding: 30px 0 64px; background: #F5F7FB; }

/* 分类筛选条 */
.cl-filter {
  background: #fff;
  border-radius: 20px;
  padding: 20px 22px 18px;
  box-shadow: 0 2px 14px rgba(10, 27, 54, .05);
  margin-bottom: 20px;
}
.cl-filter-hd {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.cl-filter-hd h2 {
  font-size: 16px;
  font-weight: 800;
  color: #0A1B36;
  margin: 0;
}
.cl-filter-hd span { font-size: 12.5px; color: #8A94A6; }

.cl-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.cl-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border-radius: 17px;
  border: 1px solid #E4E9F2;
  background: #fff;
  color: #4A5468;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: .16s;
  font-family: inherit;
}
.cl-cat span {
  font-size: 11.5px;
  font-weight: 700;
  color: #9AA4B6;
  background: #F1F4F9;
  border-radius: 9px;
  padding: 1px 6px;
  line-height: 1.5;
}
.cl-cat:hover { border-color: #C3D6F5; color: #1668E3; }
.cl-cat.is-on {
  background: #1668E3;
  border-color: #1668E3;
  color: #fff;
  box-shadow: 0 4px 12px rgba(22, 104, 227, .26);
}
.cl-cat.is-on span { background: rgba(255, 255, 255, .22); color: #fff; }

/* 工具条 */
.cl-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.cl-count { font-size: 13.5px; color: #6B7688; }
.cl-count b { color: #1668E3; font-weight: 800; font-size: 15px; }
.cl-sort { display: flex; gap: 8px; }
.cl-sort button {
  height: 32px;
  padding: 0 13px;
  border-radius: 16px;
  border: 1px solid #E4E9F2;
  background: #fff;
  color: #6B7688;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: .16s;
  font-family: inherit;
}
.cl-sort button:hover { border-color: #C3D6F5; color: #1668E3; }
.cl-sort button.is-on {
  background: #EAF2FF;
  border-color: #B9D2F8;
  color: #1668E3;
}

/* 卡片网格 */
.cl-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.cl-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(10, 27, 54, .055);
  transition: transform .2s, box-shadow .2s;
  min-width: 0;
}
.cl-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(10, 27, 54, .12);
}
.cl-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #EEF2F8;
  overflow: hidden;
}
.cl-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s;
}
.cl-card:hover .cl-card-media img { transform: scale(1.05); }
.cl-badge {
  position: absolute;
  left: 10px;
  top: 10px;
  height: 22px;
  padding: 0 9px;
  border-radius: 11px;
  background: linear-gradient(135deg, #FF7A45, #FF5722);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 22px;
  box-shadow: 0 3px 8px rgba(255, 87, 34, .3);
}

.cl-card-bd { padding: 14px 15px 16px; display: flex; flex-direction: column; flex: 1; min-width: 0; }
.cl-card-cat {
  display: inline-block;
  align-self: flex-start;
  font-size: 11.5px;
  font-weight: 700;
  color: #1668E3;
  background: #EAF2FF;
  border-radius: 6px;
  padding: 2px 7px;
  margin-bottom: 8px;
}
.cl-card-bd h3 {
  font-size: 15.5px;
  font-weight: 700;
  color: #0A1B36;
  margin: 0 0 7px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cl-card-sum {
  font-size: 12.5px;
  color: #8A94A6;
  line-height: 1.6;
  margin: 0 0 11px;
  height: 40px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.cl-card-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  color: #9AA4B6;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.cl-card-meta i { width: 3px; height: 3px; border-radius: 50%; background: #D5DCE8; }
.cl-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 11px;
  border-top: 1px solid #F0F3F8;
}
.cl-price { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.cl-price b {
  font-size: 18px;
  font-weight: 800;
  color: #FF5722;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cl-price em { font-style: normal; font-size: 11.5px; color: #FF5722; }
.cl-price s { font-size: 11.5px; color: #B4BCCB; }
.cl-card-more { font-size: 12px; font-weight: 600; color: #1668E3; white-space: nowrap; }

/* 空态 */
.cl-empty {
  text-align: center;
  padding: 64px 20px;
  background: #fff;
  border-radius: 18px;
}
.cl-empty-ic { font-size: 34px; opacity: .35; margin-bottom: 10px; }
.cl-empty h3 { font-size: 16px; color: #0A1B36; margin: 0 0 6px; }
.cl-empty p { font-size: 13px; color: #8A94A6; margin: 0; }

/* ── 3. 底部 CTA ── */
.cl-cta { padding: 0 0 70px; background: #F5F7FB; }
.cl-cta-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: linear-gradient(125deg, #0A1B36 0%, #102B5C 48%, #14406E 100%);
  border-radius: 22px;
  padding: 34px 38px;
}
.cl-cta-tx { min-width: 0; }
.cl-cta-tx h2 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 8px;
}
.cl-cta-tx p { font-size: 13.5px; color: rgba(255, 255, 255, .72); margin: 0; line-height: 1.6; }
.cl-cta-btn {
  flex: 0 0 auto;
  height: 46px;
  padding: 0 30px;
  border-radius: 23px;
  background: #fff;
  color: #102B5C;
  font-size: 14.5px;
  font-weight: 800;
  line-height: 46px;
  text-decoration: none;
  transition: .18s;
}
.cl-cta-btn:hover { background: #EAF2FF; transform: translateY(-2px); }

/* ═══════════ 4. 详情页 ═══════════ */
.cose-body { padding: 26px 0 70px; background: #F5F7FB; }
.cose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: start;
}
.cose-main, .cose-side { min-width: 0; }
.cose-main { display: flex; flex-direction: column; gap: 18px; }

/* 头部卡 */
.cose-hero {
  display: flex;
  gap: 22px;
  padding: 22px;
  align-items: flex-start;
}
.cose-hero-media {
  flex: 0 0 240px;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  background: #EEF2F8;
}
.cose-hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cose-hero-tx { min-width: 0; flex: 1; }
.cose-cat {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: #1668E3;
  background: #EAF2FF;
  border-radius: 6px;
  padding: 2px 8px;
  margin-bottom: 9px;
}
.cose-hero-tx h1 {
  font-size: 25px;
  font-weight: 800;
  color: #0A1B36;
  margin: 0 0 10px;
  line-height: 1.32;
}
.cose-hero-sum {
  font-size: 13.5px;
  color: #6B7688;
  line-height: 1.7;
  margin: 0 0 14px;
}
.cose-hero-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: #8A94A6;
  flex-wrap: wrap;
}
.cose-hero-meta i { width: 3px; height: 3px; border-radius: 50%; background: #D5DCE8; }

/* 区块卡 */
.cose-sec { padding: 24px 26px; }
.cose-h2 {
  font-size: 17px;
  font-weight: 800;
  color: #0A1B36;
  margin: 0 0 16px;
  padding-left: 11px;
  position: relative;
  line-height: 1.4;
}
.cose-h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, #1668E3, #4B93F0);
}
.cose-rich { font-size: 14.5px; color: #3C4658; line-height: 1.9; }
.cose-rich p { margin: 0 0 12px; }
.cose-rich h3, .cose-rich h4 { font-size: 15.5px; color: #0A1B36; margin: 18px 0 9px; }
.cose-rich img { max-width: 100%; height: auto; border-radius: 10px; }

/* 适合人群 / 收获 */
.cose-aud, .cose-out {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.cose-aud li, .cose-out li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13.5px;
  color: #3C4658;
  line-height: 1.65;
  background: #F7F9FD;
  border-radius: 10px;
  padding: 11px 13px;
  min-width: 0;
}
.cose-aud-ic, .cose-out-ic {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #1668E3;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  margin-top: 2px;
}

/* 等级卡 */
.cose-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.cose-lv-card {
  border: 1px solid #E8EDF5;
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: .18s;
}
.cose-lv-card:hover { border-color: #B9D2F8; box-shadow: 0 8px 20px rgba(22, 104, 227, .08); }
.cose-lv-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 9px;
}
.cose-lv-name {
  font-size: 12px;
  font-weight: 800;
  color: #1668E3;
  background: #EAF2FF;
  border-radius: 6px;
  padding: 2px 9px;
}
.cose-lv-hours { font-size: 11.5px; color: #9AA4B6; }
.cose-lv-card h4 { font-size: 14px; color: #0A1B36; margin: 0 0 8px; line-height: 1.45; }
.cose-lv-card p {
  font-size: 12.5px;
  color: #8A94A6;
  line-height: 1.65;
  margin: 0 0 13px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cose-lv-foot { margin-top: auto; }
.cose-lv-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.cose-lv-price b { font-size: 19px; font-weight: 800; color: #FF5722; line-height: 1; }
.cose-lv-price s { font-size: 11.5px; color: #B4BCCB; }
.cose-lv-btn {
  display: block;
  height: 36px;
  border-radius: 18px;
  background: #1668E3;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 36px;
  text-align: center;
  text-decoration: none;
  transition: .16s;
}
.cose-lv-btn:hover { background: #0F55C4; }

/* 大纲 */
.cose-outline { display: flex; flex-direction: column; gap: 16px; }
.cose-lv h4 {
  font-size: 14.5px;
  font-weight: 800;
  color: #0A1B36;
  margin: 0 0 12px;
}
.cose-mod { margin-bottom: 12px; }
.cose-mod h5 {
  font-size: 13px;
  font-weight: 700;
  color: #1668E3;
  margin: 0 0 8px;
  padding: 6px 11px;
  background: #F2F6FD;
  border-radius: 8px;
  line-height: 1.5;
}
.cose-mod ul { list-style: none; margin: 0; padding: 0 0 0 4px; }
.cose-mod li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #4A5468;
  padding: 7px 0 7px 14px;
  border-bottom: 1px dashed #EEF2F8;
  line-height: 1.6;
}
.cose-mod li:last-child { border-bottom: 0; }
.cose-ch-t { min-width: 0; }
.cose-ch-d { flex: 0 0 auto; font-size: 11.5px; color: #9AA4B6; font-variant-numeric: tabular-nums; }

/* 讲师 */
.cose-teachers { display: flex; flex-direction: column; gap: 14px; }
.cose-teacher {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px;
  background: #F7F9FD;
  border-radius: 12px;
}
.cose-teacher img {
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  background: #E4EAF3;
}
.cose-teacher > div { min-width: 0; }
.cose-teacher h4 { font-size: 14.5px; color: #0A1B36; margin: 0 0 3px; }
.cose-teacher span { font-size: 12px; color: #1668E3; display: block; margin-bottom: 6px; }
.cose-teacher p { font-size: 12.5px; color: #6B7688; line-height: 1.65; margin: 0; }

/* 证书样本 */
.cose-samples { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cose-samples figure { margin: 0; text-align: center; }
.cose-samples img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid #EDF1F7;
  display: block;
}
.cose-samples figcaption { font-size: 12px; color: #9AA4B6; margin-top: 8px; }
.cose-sample-tip {
  font-size: 12px;
  color: #9AA4B6;
  line-height: 1.7;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed #EEF2F8;
}

/* 右侧价格卡 */
.cose-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 16px; }
.cose-side-card { padding: 22px 20px; }
.cose-price-row { display: flex; align-items: baseline; gap: 9px; margin-bottom: 8px; }
.cose-price-now {
  font-size: 30px;
  font-weight: 800;
  color: #FF5722;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cose-price-old { font-size: 13px; color: #B4BCCB; }
.cose-price-tip {
  font-size: 11.5px;
  color: #9AA4B6;
  line-height: 1.6;
  margin: 0 0 16px;
}
.cose-buy-btn {
  display: block;
  height: 46px;
  border-radius: 23px;
  background: linear-gradient(135deg, #FF7A45, #FF5722);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 46px;
  text-align: center;
  text-decoration: none;
  margin-bottom: 10px;
  box-shadow: 0 6px 16px rgba(255, 87, 34, .28);
  transition: .16s;
}
.cose-buy-btn:hover { transform: translateY(-2px); }
.cose-consult-btn {
  display: block;
  height: 42px;
  border-radius: 21px;
  border: 1px solid #C3D6F5;
  color: #1668E3;
  font-size: 14px;
  font-weight: 700;
  line-height: 40px;
  text-align: center;
  text-decoration: none;
  margin-bottom: 18px;
  transition: .16s;
}
.cose-consult-btn:hover { background: #EAF2FF; }
.cose-side-list {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid #F0F3F8;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.cose-side-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: #4A5468;
}
.cose-side-list span {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #EAF2FF;
  color: #1668E3;
  font-size: 10px;
  font-weight: 800;
  line-height: 16px;
  text-align: center;
}

/* 报名流程 */
.cose-side-note h3 { font-size: 14.5px; color: #0A1B36; margin: 0 0 14px; font-weight: 800; }
.cose-flow { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.cose-flow li { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: #4A5468; line-height: 1.6; }
.cose-flow b {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #EAF2FF;
  color: #1668E3;
  font-size: 11px;
  font-weight: 800;
  line-height: 20px;
  text-align: center;
}

/* 同类推荐 */
.cose-rel { margin-top: 30px; }
.cose-rel-hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.cose-rel-hd h2 { font-size: 19px; font-weight: 800; color: #0A1B36; margin: 0; }
.cose-rel-hd a { font-size: 13px; color: #1668E3; font-weight: 600; text-decoration: none; }
.cose-rel-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.cose-rel-card {
  display: block;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(10, 27, 54, .05);
  transition: transform .18s, box-shadow .18s;
  min-width: 0;
}
.cose-rel-card:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(10, 27, 54, .1); }
.cose-rel-media { aspect-ratio: 16 / 10; background: #EEF2F8; overflow: hidden; }
.cose-rel-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cose-rel-bd { padding: 11px 12px 13px; }
.cose-rel-bd span {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  color: #1668E3;
  background: #EAF2FF;
  border-radius: 5px;
  padding: 1px 6px;
  margin-bottom: 6px;
}
.cose-rel-bd h3 {
  font-size: 13px;
  font-weight: 700;
  color: #0A1B36;
  margin: 0 0 5px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cose-rel-bd em { font-style: normal; font-size: 11.5px; color: #9AA4B6; }

/* ═══════════ 5. 响应式 ═══════════ */
@media (max-width: 1200px) {
  .cl-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cose-rel-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cose-levels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .cl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cose-grid { grid-template-columns: 1fr; }
  .cose-side { position: static; }
  .cose-hero-media { flex: 0 0 200px; }
  .cose-rel-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .cl-hero { padding: 14px 0 26px; }
  .cl-hero-tx h1 { font-size: 21px; line-height: 1.36; }
  .cl-hero-tx > p { font-size: 13px; margin-bottom: 15px; }
  .cl-hero-stats { gap: 22px; }
  .cl-stat b { font-size: 20px; }
  .cl-search { flex: 1 1 100%; }
  .cl-search input { height: 46px; }

  .cl-body { padding: 20px 0 44px; }
  .cl-filter { padding: 16px 14px 14px; border-radius: 16px; }
  .cl-cats {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    margin: 0 -14px;
    padding-left: 14px;
    padding-right: 14px;
    scrollbar-width: none;
  }
  .cl-cats::-webkit-scrollbar { display: none; }
  .cl-cat { flex: 0 0 auto; height: 32px; font-size: 13px; padding: 0 12px; }

  .cl-grid { grid-template-columns: 1fr; gap: 13px; }
  .cl-card-media { aspect-ratio: 16 / 9; }
  .cl-card-bd h3 { white-space: normal; }

  .cl-cta { padding-bottom: 48px; }
  .cl-cta-in { padding: 24px 20px; border-radius: 18px; }
  .cl-cta-tx h2 { font-size: 18px; }
  .cl-cta-btn { width: 100%; text-align: center; }

  .cose-body { padding: 16px 0 50px; }
  .cose-hero { flex-direction: column; padding: 16px; gap: 14px; }
  .cose-hero-media { flex: 0 0 auto; width: 100%; }
  .cose-hero-tx h1 { font-size: 20px; }
  .cose-sec { padding: 18px 16px; }
  .cose-h2 { font-size: 15.5px; }
  .cose-aud, .cose-out { grid-template-columns: 1fr; }
  .cose-levels { grid-template-columns: 1fr; }
  .cose-samples { grid-template-columns: 1fr; }
  .cose-side-card { padding: 18px 16px; }
  .cose-price-now { font-size: 26px; }
  .cose-rel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cose-mod li { font-size: 12.5px; }
}

@media (max-width: 420px) {
  .cl-grid { grid-template-columns: 1fr; }
  .cose-rel-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   6. 课程大纲（等级 → 模块 → 章节）
   ============================================================ */
.cose-outline .cose-lv {
  background: #F7F9FD;
  border: 1px solid #E6EDF8;
  border-radius: 14px;
  padding: 16px 18px;
}
.cose-outline .cose-lv h4 {
  font-size: 14.5px;
  font-weight: 800;
  color: #0A1B36;
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 3px solid #1668E3;
  line-height: 1.2;
}
.cose-outline .cose-mod { margin-bottom: 14px; }
.cose-outline .cose-mod:last-child { margin-bottom: 0; }
.cose-outline .cose-mod h5 {
  font-size: 13px;
  font-weight: 700;
  color: #1668E3;
  margin: 0 0 8px;
  line-height: 1.4;
}
.cose-outline .cose-mod ul { list-style: none; margin: 0; padding: 0; }
.cose-outline .cose-mod li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed #E6EDF8;
  font-size: 12.5px;
  color: #4A5568;
  line-height: 1.55;
}
.cose-outline .cose-mod li:last-child { border-bottom: 0; }
.cose-outline .cose-ch-t { flex: 1; min-width: 0; }
.cose-outline .cose-ch-d {
  flex: none;
  color: #9AA4B6;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 768px) {
  .cose-outline { gap: 12px; }
  .cose-outline .cose-lv { padding: 14px; border-radius: 12px; }
  .cose-outline .cose-lv h4 { font-size: 13.5px; margin-bottom: 10px; }
  .cose-outline .cose-mod h5 { font-size: 12.5px; }
  .cose-outline .cose-mod li { font-size: 12px; gap: 8px; padding: 5px 0; }
  .cose-outline .cose-ch-d { font-size: 11px; }
}
/* ═══════════════════════════════════════════════════════════
   v116 修复：分类 / 搜索筛选无效
   .cl-card 声明了 display:flex，作者样式表优先级高于浏览器
   UA 的 [hidden]{display:none}，导致 JS 里 c.hidden = true 完全
   不生效——点分类时只有「当前显示 N 项」的数字在变，卡片一张不
   少地留在原地。这里显式补回隐藏规则。
   ═══════════════════════════════════════════════════════════ */
.cl-card[hidden],
.cl-grid [hidden] { display: none !important; }

/* ═══════════════════════════════════════════════════════════
   v122 列表分页：每页 8 项
   ═══════════════════════════════════════════════════════════ */
.cl-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 34px 0 4px;
}
.cl-pg-btn {
  min-width: 40px;
  height: 40px;
  padding: 0 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #DCE6F5;
  border-radius: 10px;
  background: #fff;
  color: #1B3A6B;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1;
  cursor: pointer;
  transition: border-color .18s, color .18s, box-shadow .18s, background .18s;
}
.cl-pg-btn:hover:not(:disabled):not(.is-on) {
  border-color: #1668E3;
  color: #1668E3;
  box-shadow: 0 4px 12px rgba(22, 104, 227, .14);
}
.cl-pg-btn.is-on {
  background: linear-gradient(135deg, #0A1B36, #14406E);
  border-color: #0A1B36;
  color: #fff;
  box-shadow: 0 6px 16px rgba(10, 27, 54, .26);
  cursor: default;
}
.cl-pg-btn:disabled {
  opacity: .38;
  cursor: not-allowed;
  background: #F6F9FE;
  box-shadow: none;
}
.cl-pg-num { padding: 0; font-variant-numeric: tabular-nums; }
.cl-pg-dot { color: #9AA4B6; font-size: 14px; padding: 0 1px; user-select: none; }
.cl-pg-info { margin-left: 10px; font-size: 13px; color: #7A8699; }
.cl-pg-info b { color: #0A1B36; font-weight: 700; }

@media (max-width: 768px) {
  .cl-pager { gap: 6px; margin: 26px 0 2px; }
  .cl-pg-btn { min-width: 36px; height: 36px; padding: 0 10px; font-size: 13px; border-radius: 9px; }
  .cl-pg-prev, .cl-pg-next { padding: 0 12px; }
  .cl-pg-info { width: 100%; text-align: center; margin: 6px 0 0; }
}