/* ============================================================
   学术期刊 · 二级子分类（学科方向）页   命名空间：jrs-
   ------------------------------------------------------------
   右侧内容区采用「期刊检索结果」版式：
     方向标题条 → 搜期刊横幅 → 检索卡（首字母 + 结果条） → 期刊结果卡 → 分页
   骨架（.chan-wrap / .jr-layout / .jr-card / .jr-side / .jrc-crumb / .jr-al）
   复用 /style/journals/index.css；横幅复用 /style/journals/search-banner.css。
   主色继承 .chan-wrap 上注入的 --chan-accent / --chan-accent-dark。
   ============================================================ */

.jr-right { --jr-accent: var(--chan-accent, #1b5bd5); }

/* ============================================================
   一、方向标题条
   ============================================================ */
.jrs-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 0 12px;
}
.jrs-head h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: #1e2532;
  letter-spacing: .5px;
}
.jrs-head-tag {
  padding: 2px 8px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--jr-accent) 10%, #ffffff);
  color: var(--jr-accent);
  font-size: 12px;
  line-height: 18px;
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .jrs-head-tag { background: #eef3ff; }
}
.jrs-head-n { color: #8a929d; font-size: 13px; }
.jrs-head-n b { color: var(--jr-accent); font-weight: 600; }
.jrs-head-up {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: #8a929d;
  font-size: 13px;
  transition: color .15s;
}
.jrs-head-up:hover { color: var(--jr-accent); }

/* ============================================================
   二、检索卡：首字母查找 + 结果条
   ============================================================ */
.jrs-filter { margin-top: 14px; padding: 0; overflow: hidden; }

.jrs-alpha {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 20px;
}
.jrs-alpha .lb { color: #8a929d; font-size: 13px; margin-right: 2px; }

/* 结果条：结果数 / 迷你分页 / 排序 + 视图 */
.jrs-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-top: 1px solid #eef0f4;
}
.jrs-bar-count { flex: 0 0 auto; color: #6b7684; font-size: 14px; }
.jrs-bar-count b { color: var(--jr-accent); font-weight: 600; }

.jrs-bar-pager {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #6b7684;
  font-size: 14px;
}
.jrs-bar-pager .pg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  color: #9aa2ad;
  background: transparent;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.jrs-bar-pager .pg:hover:not(:disabled) { color: var(--jr-accent); background: #f2f5fb; }
.jrs-bar-pager .pg:disabled { color: #d4d8de; cursor: not-allowed; }
.jrs-bar-pager .pg-now b { color: #333a44; font-weight: 600; }

.jrs-bar-right { flex: 0 0 auto; display: flex; align-items: center; gap: 14px; }

/* 排序 */
.jrs-sorts { display: flex; align-items: center; gap: 20px; }
.jrs-sort {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: #6b7684;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition: color .15s;
}
.jrs-sort:hover { color: var(--jr-accent); }
.jrs-sort.on { color: var(--jr-accent); }
.jrs-sort .ar {
  width: 10px;
  height: 12px;
  opacity: 0;
  background: currentColor;
  transition: transform .18s, opacity .15s;
  /* 向下箭头（掩码绘制，跟随文字色） */
  -webkit-mask: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='4' x2='12' y2='20'/%3E%3Cpolyline points='5 13 12 20 19 13'/%3E%3C/svg%3E") no-repeat center / contain;
          mask: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='4' x2='12' y2='20'/%3E%3Cpolyline points='5 13 12 20 19 13'/%3E%3C/svg%3E") no-repeat center / contain;
}
.jrs-sort.on .ar { opacity: 1; }
.jrs-sort.on.asc .ar { transform: rotate(180deg); }

/* 视图切换 */
.jrs-view {
  display: inline-flex;
  border: 1px solid #e4e8ef;
  border-radius: 6px;
  overflow: hidden;
}
.jrs-view button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  padding: 0;
  color: #9aa2ad;
  background: #fff;
  border: 0;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.jrs-view button + button { border-left: 1px solid #e4e8ef; }
.jrs-view button svg { width: 15px; height: 15px; }
.jrs-view button:hover { color: var(--jr-accent); }
.jrs-view button.on {
  color: var(--jr-accent);
  background: color-mix(in srgb, var(--jr-accent) 9%, #ffffff);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .jrs-view button.on { background: #eef3ff; }
}

/* ============================================================
   三、期刊结果卡（列表视图）
   ============================================================ */
.jrs-results { margin-top: 14px; }
.jrs-results.is-list { display: block; }

.jrs-item {
  position: relative;
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  grid-template-areas: "cover body" "stats stats";
  gap: 0 24px;
  padding: 24px 26px;
  margin-bottom: 14px;
  background: #fff;
  border: 1px solid #eaedf2;
  border-radius: 12px;
  transition: box-shadow .18s, border-color .18s;
}
.jrs-item:hover { border-color: #d7e2f7; box-shadow: 0 6px 18px rgba(20, 45, 100, .07); }

/* 封面 + 角标 */
.jrs-cover {
  grid-area: cover;
  position: relative;
  display: block;
  width: 128px;
  height: 172px;
  border-radius: 4px;
  background-color: #f2f4f7;
  background-size: cover;
  background-position: center;
  box-shadow: 0 2px 8px rgba(20, 45, 100, .10);
  overflow: hidden;
}
.jrs-cover.grad { display: flex; align-items: center; justify-content: center; }
.jrs-cover .cvtx {
  padding: 0 10px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, .25);
}
/* 角标（后台「角标」字段；如 OA期刊）：封面右上角橙色标 */
.jrs-oa {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  padding: 4px 5px 5px;
  background: linear-gradient(160deg, #ff9538, #f96a06);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .5px;
  border-radius: 0 4px 0 8px;
  box-shadow: -1px 1px 4px rgba(0, 0, 0, .14);
}
.jrs-oa i { font-style: normal; font-size: 11px; font-weight: 500; letter-spacing: 0; }

/* 正文 */
.jrs-body { grid-area: body; min-width: 0; padding-top: 2px; }

.jrs-row1 { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.jrs-name {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: #1e2532;
  transition: color .15s;
}
/* 整卡可点：把刊名链接的热区拉满整张卡 */
.jrs-name::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.jrs-item:hover .jrs-name { color: var(--jr-accent); }

/* 收录徽标（CSSCI / 北大核心 …） */
.jrs-lv {
  position: relative;
  z-index: 2;
  padding: 1px 9px;
  border: 1px solid color-mix(in srgb, var(--jr-accent) 38%, #ffffff);
  border-radius: 999px;
  color: var(--jr-accent);
  background: #fff;
  font-size: 12px;
  line-height: 18px;
  white-space: nowrap;
}
@supports not (border-color: color-mix(in srgb, red 50%, blue)) {
  .jrs-lv { border-color: #a9c4f2; }
}

/* 信息行 */
.jrs-meta {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.75;
  color: #333a44;
  display: flex;
}
.jrs-meta:last-child { margin-bottom: 0; }
.jrs-meta i {
  flex: 0 0 auto;
  font-style: normal;
  color: #6b7684;
}
.jrs-meta span {
  min-width: 0;
  color: #333a44;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* 期刊简介（结果卡末行；原「曾用名」行的位置）
   —— 比信息行稍浅、稍小，最多两行，超出省略，长简介不会撑高卡片 */
.jrs-desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #7d8792;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* 计量行：发文量 \ 被引量 \ 影响因子 */
.jrs-stats {
  grid-area: stats;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #f0f2f5;
  font-size: 14px;
}
.jrs-stats .s { display: inline-flex; align-items: baseline; gap: 8px; }
.jrs-stats .s i { font-style: normal; color: #6b7684; }
.jrs-stats .s b { color: var(--jr-accent); font-weight: 600; letter-spacing: .3px; }
.jrs-stats .sp { color: #d8dce2; }

/* ============================================================
   四、封面墙视图
   ============================================================ */
.jrs-results.is-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid #eaedf2;
  border-radius: 12px;
}
.jrs-results.is-grid .jrs-item {
  display: block;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: center;
}
.jrs-results.is-grid .jrs-item:hover { box-shadow: none; }
.jrs-results.is-grid .jrs-cover {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  margin-bottom: 8px;
  transition: transform .2s, box-shadow .2s;
}
.jrs-results.is-grid .jrs-item:hover .jrs-cover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(20, 45, 100, .16);
}
.jrs-results.is-grid .jrs-row1 { justify-content: center; margin: 0; }
.jrs-results.is-grid .jrs-name { font-size: 14px; font-weight: 500; }
.jrs-results.is-grid .jrs-lv,
.jrs-results.is-grid .jrs-meta,
.jrs-results.is-grid .jrs-desc,
.jrs-results.is-grid .jrs-stats { display: none; }

/* ============================================================
   五、分页
   ============================================================ */
.jrs-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 22px 0 6px;
}
.jrs-pager .pg {
  min-width: 34px;
  height: 34px;
  padding: 0 12px;
  color: #4a5261;
  background: #fff;
  border: 1px solid #e4e8ef;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.jrs-pager .pg.num { padding: 0 6px; }
.jrs-pager .pg:hover:not(:disabled):not(.on) { color: var(--jr-accent); border-color: var(--jr-accent); }
.jrs-pager .pg:disabled { color: #c4c9d1; background: #fafbfc; cursor: not-allowed; }
.jrs-pager .pg.on {
  color: #fff;
  background: var(--jr-accent);
  border-color: var(--jr-accent);
  font-weight: 600;
  cursor: default;
}
.jrs-pager .gap { color: #b6bcc5; padding: 0 2px; }

/* ============================================================
   六、无结果 / 空状态
   ============================================================ */
.jrs-nohit {
  display: none;
  margin-top: 14px;
  padding: 46px 20px;
  text-align: center;
}
.jrs-nohit .ic { font-size: 32px; opacity: .5; margin-bottom: 10px; }
.jrs-nohit p { margin: 0 0 16px; color: #8a929d; font-size: 14px; }
.jrs-nohit .btn {
  display: inline-block;
  padding: 7px 20px;
  border: 1px solid var(--jr-accent);
  border-radius: 6px;
  color: var(--jr-accent);
  font-size: 13px;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.jrs-nohit .btn:hover { color: #fff; background: var(--jr-accent); }

.jrs-empty { margin-top: 14px; padding: 60px 24px; text-align: center; }
.jrs-empty .ic { font-size: 40px; opacity: .55; margin-bottom: 12px; }
.jrs-empty h3 { margin: 0 0 8px; font-size: 17px; font-weight: 600; color: #333a44; }
.jrs-empty p { margin: 0 0 20px; color: #8a929d; font-size: 14px; line-height: 1.8; }
.jrs-empty-links { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.jrs-empty-links a {
  padding: 8px 18px;
  border: 1px solid #e4e8ef;
  border-radius: 6px;
  color: #4a5261;
  font-size: 13px;
  transition: color .15s, border-color .15s, background .15s;
}
.jrs-empty-links a:hover { color: var(--jr-accent); border-color: var(--jr-accent); }
.jrs-empty-links a.pri {
  color: #fff;
  background: var(--jr-accent);
  border-color: var(--jr-accent);
}
.jrs-empty-links a.pri:hover { background: var(--chan-accent-dark, #1747a8); }

/* ============================================================
   七、响应式
   ============================================================ */
@media (max-width: 1080px) {
  .jrs-results.is-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .jrs-bar { flex-wrap: wrap; gap: 10px; }
  .jrs-bar-pager { order: 3; flex: 1 1 100%; justify-content: flex-start; }
  .jrs-bar-right { margin-left: auto; }
  .jrs-results.is-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .jrs-head { flex-wrap: wrap; gap: 8px; }
  .jrs-head h1 { font-size: 19px; }
  .jrs-head-up { margin-left: 0; flex: 1 1 100%; }

  .jrs-alpha { padding: 12px 14px; gap: 6px; }
  .jrs-bar { padding: 10px 14px; }
  .jrs-bar-count { flex: 1 1 100%; }
  .jrs-bar-right { flex: 1 1 100%; margin-left: 0; justify-content: space-between; }
  .jrs-sorts { gap: 14px; }
  .jrs-sort { font-size: 13px; }

  .jrs-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 0 14px;
    padding: 16px;
  }
  .jrs-cover { width: 92px; height: 124px; }
  .jrs-oa { min-width: 32px; font-size: 11px; padding: 3px 4px 4px; }
  .jrs-oa i { font-size: 10px; }
  .jrs-name { font-size: 16px; }
  .jrs-meta { font-size: 13px; }
  .jrs-meta span { -webkit-line-clamp: 3; }
  .jrs-desc { font-size: 12.8px; }
  .jrs-stats { margin-top: 14px; padding-top: 12px; gap: 10px; font-size: 13px; flex-wrap: wrap; }

  .jrs-results.is-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 16px; }
  .jrs-pager .pg { min-width: 30px; height: 30px; padding: 0 9px; font-size: 13px; }
}