/* 雨竹林学习网 · 静态文章详情页 V6
   依赖：首页 style.css、列表页 list-template.css（不改动这两份文件）。
   不包含 DedeBIZ 标签；不增加图片或图标素材。 */
.art-page {
  --art-font-size: 17px;
  --art-blue: #087dff;
  --art-navy: #07336f;
}
.art-grid {
  align-items: start;
  margin-top: 18px;
}
.art-main {
  padding: 30px 35px 28px;
  min-width: 0;
}
.art-head {
  text-align: center;
  padding: 0 0 18px;
  border-bottom: 1px solid #e7eff8;
}
.art-category {
  display: flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  color: #66829f;
  font-size: 12px;
}
.art-status {
  border: 1px solid #d5e7fa;
  color: #096dd7;
  background: #edf7ff;
  font-size: 12px;
  padding: 4px 11px;
  border-radius: 99px;
  font-weight: 700;
}
.art-head h1 {
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: .3px;
  font-size: 30px;
  color: #07336f;
  margin: 15px auto 9px;
  max-width: 800px;
  overflow-wrap: anywhere;
}
.art-subtitle {
  font-size: 14px;
  color: #69839b;
  margin: 0 auto 14px;
}
.art-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px 22px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #8095aa;
}
.art-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.art-meta .lt-line-icon {
  width: 14px;
  height: 14px;
  color: #4b90d8;
}
.art-meta a {
  color: #0b70d2;
}
.art-meta a:hover {
  text-decoration: underline;
}
.art-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-top: 21px;
  border-radius: 9px;
  padding: 10px 13px;
  background: #f6faff;
  border: 1px solid #e9f2fc;
}
.art-font-controls,.art-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: #657e99;
}
.art-font-controls>span {
  margin-right: 5px;
}
.art-toolbar button {
  font-size: 12px;
  background: #fff;
  border: 1px solid #e1eaf5;
  color: #47739f;
  border-radius: 6px;
  padding: 6px 9px;
  min-height: 32px;
  transition: background .18s;
}
.art-font-controls button.is-on,.art-toolbar button:hover {
  border-color: #8ec6ff;
  color: #075ec5;
  background: #e5f2ff;
}
.art-actions button {
  display: flex;
  align-items: center;
  gap: 5px;
}
.art-actions .lt-line-icon {
  width: 15px;
  height: 15px;
}
.art-search-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  border: 1px solid #cde4ff;
  background: #eef7ff;
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 12px;
  color: #1767b7;
}
.art-search-status button {
  border: 1px solid #c4dfff;
  background: #fff;
  color: #1767b7;
  border-radius: 99px;
  padding: 5px 13px;
  white-space: nowrap;
}
.art-intro {
  margin: 26px 0 27px;
  padding: 20px 22px;
  border: 1px solid #dbeaff;
  border-radius: 11px;
  background: linear-gradient(120deg,#eef7ff,#f9fcff);
  border-left: 4px solid #087dff;
}
.art-intro>strong {
  font-size: 16px;
  color: #0b4c92;
  display: block;
  margin-bottom: 8px;
}
.art-intro p {
  color: #4b6988;
  font-size: 14px;
  line-height: 1.86;
  margin: 6px 0;
}
.art-intro .art-intro-note {
  color: #8a99a8;
  font-size: 12px;
}
.art-mobile-outline {
  display: none;
}
.art-body {
  font-size: var(--art-font-size);
  color: #31445c;
  line-height: 1.95;
  overflow-wrap: anywhere;
}
.art-body p {
  margin: 0 0 19px;
}
.art-body h2 {
  color: #103e75;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.48;
  margin: 34px 0 19px;
  padding: 0 0 12px;
  border-bottom: 1px solid #e5edf6;
  display: flex;
  align-items: baseline;
  gap: 11px;
  scroll-margin-top: 20px;
}
.art-body h2 span {
  font-family: Arial,sans-serif;
  font-size: 15px;
  color: #087dff;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  background: #ecf6ff;
  min-width: 31px;
  height: 29px;
  line-height: 1;
  flex: none;
}
.art-body h3 {
  font-size: 18px;
  color: #164b87;
  font-weight: 750;
  margin: 23px 0 11px;
  line-height: 1.5;
}
.art-body ul,.art-body ol {
  list-style: initial;
  margin: 5px 0 24px;
  padding-left: 24px;
}
.art-body ol {
  list-style: decimal;
}
.art-body li {
  padding-left: 4px;
  margin: 9px 0;
}
.art-body li::marker {
  color: #2585e4;
}
.art-body strong {
  color: #204c7c;
  font-weight: 730;
}
.art-tip {
  border: 1px solid #cae2fc;
  background: #eff7ff;
  border-radius: 10px;
  padding: 16px 18px;
  margin: 20px 0 28px;
}
.art-tip-heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 8px;
}
.art-tip-symbol {
  width: 22px;
  height: 22px;
  background: #087dff;
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font: bold 15px Arial;
}
.art-tip p {
  margin: 0;
  font-size: calc(var(--art-font-size) - 2px);
  line-height: 1.8;
  color: #426789;
}
.art-table-scroll {
  width: 100%;
  overflow-x: auto;
  margin: 10px 0 25px;
  border: 1px solid #e1ebf7;
  border-radius: 9px;
}
.art-table {
  width: 100%;
  min-width: 570px;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
  line-height: 1.7;
}
.art-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  background: #f4f9ff;
  color: #5a7897;
  font-size: 12px;
}
.art-table th {
  color: #184b83;
  font-weight: 750;
  background: #eaf4ff;
}
.art-table th,.art-table td {
  padding: 12px 14px;
  border-top: 1px solid #e4edf8;
  border-right: 1px solid #e4edf8;
  vertical-align: top;
}
.art-table th:last-child,.art-table td:last-child {
  border-right: 0;
}
.art-table tbody tr:nth-child(even) {
  background: #f8fbff;
}
.art-figure {
  padding: 10px;
  background: #f7fbff;
  border: 1px solid #e3effb;
  border-radius: 11px;
  margin: 19px 0 24px;
}
.art-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  border-radius: 7px;
}
.art-figure figcaption {
  margin: 9px 4px 2px;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
  color: #8799aa;
}
.art-quote {
  border-left: 4px solid #43a0f4;
  background: #f3f9ff;
  color: #41688a;
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  font-size: calc(var(--art-font-size) - 1px);
  line-height: 1.85;
  margin: 12px 0 26px;
}
.art-steps {
  display: flex;
  align-items: stretch;
  gap: 7px;
  padding: 14px 10px;
  background: #f4f9ff;
  border: 1px solid #e3effb;
  border-radius: 10px;
  margin: 10px 0 22px;
}
.art-steps>div {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  color: #4c7093;
  font-size: 11px;
  line-height: 1.5;
}
.art-steps b {
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e0f0ff;
  color: #076fda;
  width: 30px;
  height: 30px;
  font-size: 15px;
  font-weight: 800;
}
.art-steps>i {
  color: #8ab7e6;
  font-size: 19px;
  font-style: normal;
  align-self: start;
  line-height: 30px;
}
.art-source-box {
  border: 1px solid #dfeaf7;
  background: #f8fbff;
  border-radius: 10px;
  padding: 17px 20px;
  margin-top: 34px;
  color: #56728f;
  font-size: 13px;
  line-height: 1.8;
}
.art-source-title {
  font-size: 15px;
  font-weight: 800;
  color: #154f91;
  margin-bottom: 6px;
}
.art-source-box p {
  margin-bottom: 7px;
}
.art-source-box>span {
  font-size: 12px;
  color: #8b98a8;
}
.art-article-end {
  text-align: center;
  color: #a1aec0;
  font-size: 12px;
  letter-spacing: 2px;
  margin: 25px 0 23px;
}
.art-neighbors {
  border-top: 1px solid #e8eef7;
  padding-top: 17px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}
.art-neighbors a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  border: 1px solid #e3edf8;
  background: #fafcff;
  border-radius: 9px;
  min-width: 0;
}
.art-neighbors a:hover {
  background: #eef7ff;
  border-color: #badbff;
}
.art-neighbors a:last-child {
  text-align: right;
}
.art-neighbors small {
  color: #869eb5;
  font-size: 11px;
}
.art-neighbors strong {
  color: #2565aa;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}
.art-toc a {
  display: block;
  font-size: 12px;
  line-height: 1.55;
  color: #547392;
  padding: 9px 10px;
  border-left: 2px solid #e5f0fd;
}
.art-toc a:hover,.art-toc a.is-current {
  background: #edf7ff;
  color: #087dff;
  border-color: #087dff;
}
.art-sidebar .lt-hot-list a {
  font-size: 12px;
  line-height: 1.65;
  color: #59718a;
  display: block;
}
.art-sidebar .lt-hot-list a:hover {
  color: #087dff;
}
.art-related-wrap {
  margin-top: 17px;
}
.art-related {
  padding: 20px 24px;
}
.art-related-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e7eff8;
  padding-bottom: 12px;
  gap: 10px;
}
.art-related-heading h2 {
  font-size: 20px;
  color: #103e75;
}
.art-related-heading a {
  font-size: 12px;
  color: #337ec4;
}
.art-related-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 13px;
  margin-top: 17px;
}
.art-related-grid a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  min-width: 0;
  background: #f7fbff;
  border: 1px solid #e4effb;
  border-radius: 9px;
  padding: 16px;
}
.art-related-grid a:hover {
  background: #edf6ff;
  border-color: #badcfc;
}
.art-related-grid span {
  border-radius: 99px;
  padding: 3px 9px;
  background: #e2f0ff;
  color: #126cce;
  font-size: 11px;
}
.art-related-grid strong {
  font-size: 15px;
  color: #214973;
  font-weight: 700;
  line-height: 1.6;
}
.art-related-grid small {
  color: #8ba1b5;
  font-size: 11px;
}
.art-body mark[data-art-hit] {
  background: #ffeb9f;
  border-radius: 2px;
  padding: 1px 0;
  color: #183752;
}
@media (max-width:1100px) {
  .art-main {
    padding: 26px;
  }
  .art-head h1 {
    font-size: 28px;
  }
}
@media (max-width:1000px) {
  .art-grid {
    grid-template-columns: 1fr;
  }
  .art-sidebar {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    align-items: start;
  }
  .art-sidebar>.lt-brand-card {
    align-self: stretch;
  }
  .art-toc-card {
    display: none;
  }
  .art-mobile-outline {
    display: block;
    margin: 0 0 20px;
    border: 1px solid #e0ebf7;
    background: #f7fbff;
    border-radius: 10px;
    color: #1c578f;
  }
  .art-mobile-outline summary {
    cursor: pointer;
    font-weight: 750;
    padding: 11px 15px;
    font-size: 13px;
  }
  .art-mobile-outline nav {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 5px;
    border-top: 1px solid #e4edf8;
    padding: 12px;
  }
  .art-mobile-outline nav a {
    font-size: 12px;
    padding: 7px;
    color: #4d7599;
  }
}
@media (max-width:640px) {
  .art-grid {
    margin-top: 11px;
  }
  .art-main {
    padding: 20px 17px;
  }
  .art-head h1 {
    font-size: 24px;
    line-height: 1.55;
    margin-top: 12px;
  }
  .art-subtitle {
    font-size: 12px;
  }
  .art-meta {
    gap: 7px 13px;
    font-size: 11px;
  }
  .art-toolbar {
    padding: 8px;
    gap: 6px;
    flex-wrap: wrap;
  }
  .art-font-controls,.art-actions {
    gap: 5px;
  }
  .art-actions {
    margin-left: auto;
  }
  .art-toolbar button {
    font-size: 11px;
    padding: 5px 7px;
  }
  .art-intro {
    padding: 16px;
    margin: 19px 0;
  }
  .art-intro>strong {
    font-size: 15px;
  }
  .art-intro p {
    font-size: 13px;
  }
  .art-body {
    line-height: 1.84;
  }
  .art-body h2 {
    font-size: 19px;
    margin: 26px 0 14px;
  }
  .art-body h3 {
    font-size: 17px;
  }
  .art-body p {
    margin-bottom: 16px;
  }
  .art-tip {
    padding: 14px;
  }
  .art-figure {
    padding: 7px;
  }
  .art-figure figcaption {
    font-size: 11px;
  }
  .art-steps {
    gap: 2px;
  }
  .art-steps>div {
    font-size: 10px;
  }
  .art-steps>i {
    font-size: 14px;
  }
  .art-steps b {
    width: 25px;
    height: 25px;
    font-size: 13px;
  }
  .art-neighbors {
    gap: 8px;
  }
  .art-neighbors a {
    padding: 10px;
  }
  .art-neighbors strong {
    font-size: 12px;
  }
  .art-sidebar {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .art-related {
    padding: 16px;
  }
  .art-related-grid {
    grid-template-columns: 1fr;
    gap: 9px;
  }
  .art-related-grid a {
    padding: 12px;
    gap: 5px;
  }
  .art-related-heading h2 {
    font-size: 17px;
  }
}
@media (max-width:380px) {
  .art-main {
    padding: 17px 13px;
  }
  .art-head h1 {
    font-size: 21px;
  }
  .art-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .art-actions {
    margin-left: 0;
    justify-content: flex-end;
  }
  .art-steps {
    flex-wrap: wrap;
  }
  .art-steps>div {
    flex-basis: 40%;
  }
  .art-steps>i {
    display: none;
  }
}
@media print {
  .lt-topbar,.lt-masthead,.lt-wide-nav,.lt-quick-section,.lt-crumb,.art-sidebar,.art-toolbar,.art-mobile-outline,.art-neighbors,.art-related-wrap,.lt-friend,.site-footer,.back-to-top,.art-search-status {
    display: none!important;
  }
  body,.lt-page {
    background: #fff!important;
  }
  .lt-content-grid {
    display: block;
    width: 100%;
    margin: 0;
  }
  .art-main {
    padding: 0;
    box-shadow: none;
    border: 0;
  }
  .art-head h1 {
    color: #111;
    font-size: 25px;
  }
  .art-body {
    font-size: 14px;
    color: #111;
  }
  .art-body h2 {
    break-after: avoid;
  }
  .art-body img {
    max-width: 100%;
  }
  .art-table {
    min-width: 0;
  }
  .art-table-scroll {
    overflow: visible;
  }
}
/* ==============================================================
   V7 · 仅文章页：右栏固定368px、栏目热点及新文章尾部
   首页/列表页 CSS 未改；平板/手机切单列时宽度自适应。
   ============================================================== */
@media (min-width:1101px) {
  .lt-content-grid.art-grid {
    grid-template-columns: minmax(0,1fr) 368px;
    gap: 22px;
  }
  .art-sidebar {
    width: 368px;
    max-width: 368px;
  }
}
.art-sidebar > .lt-side-card,.art-sidebar > .lt-notice,.art-sidebar > .lt-brand-card {
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
}
.art-sidebar .lt-hot-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.art-sidebar .lt-hot-list li {
  min-width: 0;
  align-items: flex-start;
}
.art-sidebar .lt-hot-list a {
  font-size: 13px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.art-closing {
  margin-top: 24px;
}
.art-closing-notice {
  background: linear-gradient(115deg,#0874c9,#13a0d8);
  color: #fff;
  border-radius: 17px;
  padding: 25px 27px;
  box-shadow: 0 13px 27px rgba(0,104,190,.11);
}
.art-closing-notice h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 20px;
  margin: 0 0 13px;
  line-height: 1.35;
  font-weight: 800;
}
.art-closing-warning {
  width: 23px;
  height: 23px;
  color: #fff;
  flex: none;
}
.art-closing-notice p {
  font-size: 15px;
  color: #fff;
  line-height: 1.95;
  margin: 0;
}
.art-closing-focus {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 24px 0 19px;
  font-size: 14px;
  color: #073b73;
}
.art-closing-focus>strong {
  font-weight: 800;
  color: #073b73;
}
.art-focus-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.art-focus-tags span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 4px 13px;
  border-radius: 99px;
  border: 1px solid #d5e5f6;
  background: #f4faff;
  font-size: 13px;
  color: #4e779b;
}
.art-ending-neighbors {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 15px;
  margin: 0 0 25px;
}
.art-ending-neighbor {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
  padding: 18px 20px;
  min-width: 0;
  min-height: 102px;
  border: 1px solid #dfeaf7;
  background: #f7fbff;
  border-radius: 14px;
  text-decoration: none;
  transition: background .18s,border-color .18s;
}
.art-ending-neighbor:not(.is-unavailable):hover {
  background: #edf6ff;
  border-color: #add4fa;
}
.art-ending-neighbor small {
  font-size: 12px;
  color: #7e9cb8;
}
.art-ending-neighbor span {
  color: #245980;
  font-size: 15px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.art-ending-neighbor b {
  color: #073b73;
  font-weight: 800;
}
.art-ending-neighbor.is-unavailable {
  cursor: default;
}
.art-ending-related {
  padding: 24px 25px 21px;
  border-radius: 18px;
  border: 1px solid #dfeaf7;
  background: linear-gradient(135deg,#fbfdff,#f5faff);
}
.art-ending-related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 17px;
}
.art-ending-related-head h2 {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #073b73;
  font-weight: 800;
  font-size: 20px;
  line-height: 1.45;
  margin: 0;
}
.art-related-icon {
  color: #087dff;
  width: 23px;
  height: 23px;
  flex: none;
}
.art-ending-related-head>a {
  color: #185f9f;
  font-size: 14px;
  white-space: nowrap;
}
.art-ending-related-head>a:hover {
  color: #087dff;
}
.art-related-list {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  column-gap: 24px;
  row-gap: 13px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.art-related-list li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  min-width: 0;
}
.art-related-list li::before {
  content: "";
  background: #9dc8df;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
  transform: translateY(-2px);
}
.art-related-list a {
  display: block;
  min-width: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #547492;
  overflow-wrap: anywhere;
}
.art-related-list a:hover {
  color: #087dff;
}
.art-related-footnote {
  margin-top: 16px;
  color: #91a7bb;
  font-size: 11px;
  line-height: 1.65;
}
@media (max-width:1100px) {
  .lt-content-grid.art-grid {
    grid-template-columns: 1fr;
  }
  .art-sidebar {
    width: 100%;
    max-width: none;
  }
}
@media (max-width:640px) {
  .art-closing {
    margin-top: 18px;
  }
  .art-closing-notice {
    padding: 20px 18px;
    border-radius: 13px;
  }
  .art-closing-notice h2 {
    font-size: 18px;
  }
  .art-closing-notice p {
    font-size: 13px;
    line-height: 1.85;
  }
  .art-closing-focus {
    gap: 9px;
    margin: 20px 0 16px;
  }
  .art-closing-focus>strong {
    font-size: 13px;
  }
  .art-focus-tags {
    gap: 6px;
  }
  .art-focus-tags span {
    font-size: 11px;
    min-height: 28px;
    padding: 4px 9px;
  }
  .art-ending-neighbors {
    gap: 9px;
    margin-bottom: 17px;
  }
  .art-ending-neighbor {
    padding: 12px 11px;
    min-height: 90px;
    gap: 5px;
    border-radius: 11px;
  }
  .art-ending-neighbor span {
    font-size: 12px;
    line-height: 1.6;
  }
  .art-ending-neighbor small {
    font-size: 11px;
  }
  .art-ending-related {
    padding: 18px 15px;
    border-radius: 13px;
  }
  .art-ending-related-head h2 {
    font-size: 18px;
  }
  .art-related-list {
    grid-template-columns: 1fr;
    row-gap: 10px;
  }
  .art-related-list a {
    font-size: 12px;
  }
  .art-related-footnote {
    font-size: 10px;
  }
}
@media print {
  .art-ending-related,.art-ending-neighbors {
    display: none!important;
  }
  .art-closing-notice {
    background: #f4f8fc!important;
    color: #333!important;
    box-shadow: none;
  }
  .art-closing-notice h2,.art-closing-notice p {
    color: #333!important;
  }
}