@charset "utf-8";

.inner-banner {
  position: relative;
  height: clamp(140px, 18.75vw, 360px);
  background-color: #f4f1ec;
  overflow: hidden;
}

/* banner 主图（img 标签，不用 css 背景） */
.inner-banner-pic {
  display: block;
  width: 100%;
  height: 100%;
}

.inner-banner-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.inner-banner::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: 6%;
  bottom: 40px;
  pointer-events: none;
  background-repeat: no-repeat;
  background-position: right bottom;
  background-size: contain;
}

/* 栏目点缀（在 section 上追加修饰类） */
.inner-banner--meet::after {
  width: 760px;
  height: 200px;
  background-image: url(../images/banner-meet.png);
}

.inner-banner--stele::after {
  width: 300px;
  height: 300px;
  bottom: 0;
  background-image: url(../images/stele-texture.png);
  filter: brightness(.35) sepia(1);
  opacity: .5;
}

.inner-banner--figure::after {
  display: none;
}

/* ---------- 主体 ---------- */
.inner-body {
  padding-bottom: 160px;
  background: var(--c-bg) url(../images/inner-bottom.jpg) no-repeat center bottom / 100% auto;
}

.inner-wrap {
  display: flex;
  align-items: flex-start;
  gap: 50px;
}

/* 左栏 */
.side {
  position: relative;
  z-index: 5;
  flex-shrink: 0;
  width: 290px;
  margin-top: -110px;
  box-shadow: 0 10px 30px rgba(90, 60, 25, .12);
}

.side-title {
  position: relative;
  padding: 34px 20px 30px;
  text-align: center;
  color: var(--c-white);
  background: var(--c-primary) url(../images/stele-texture.png) no-repeat center / cover;
  overflow: hidden;
}

.side-title::before,
.side-title::after {
  content: "";
  position: absolute;
  top: 0;
  width: 14px;
  height: 100%;
  background: var(--c-primary-dark);
}

.side-title::before {
  left: 0;
}

.side-title::after {
  right: 0;
}

.side-title h2 {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font: bold 28px/1.3 var(--font-serif);
  letter-spacing: 3px;
}

.side-title h2::before,
.side-title h2::after {
  content: "";
  width: 16px;
  height: 16px;
  background: url(../images/side-mark.svg) no-repeat center / contain;
}

.side-title p {
  margin-top: 6px;
  font: 13px/1.4 Georgia, serif;
  color: #e8d2b0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.side-menu {
  background: var(--c-white);
}

.side-menu li > a {
  position: relative;
  display: block;
  padding: 0 44px 0 30px;
  line-height: 58px;
  font-size: 17px;
  color: var(--c-text);
  border-bottom: 1px dashed var(--c-dash);
}

.side-menu li:last-child > a {
  border-bottom: 0;
}

.side-menu li > a::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  background: url(../images/more.svg) no-repeat center / contain;
  opacity: .5;
  transition: .3s;
}

.side-menu li > a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--c-accent);
  transform: scaleY(0);
  transition: .3s;
}

.side-menu li > a:hover {
  color: var(--c-primary);
  background: #faf6f0;
}

/* 当前栏目：.on 为设计稿约定，.cur / .selected 兼容 CMS 自带的高亮类名 */
.side-menu li.on > a,
.side-menu li.cur > a,
.side-menu li.selected > a {
  color: var(--c-white);
  background: var(--c-primary);
}

.side-menu li.on > a::before,
.side-menu li.cur > a::before,
.side-menu li.selected > a::before {
  transform: none;
}

.side-menu li.on > a::after,
.side-menu li.cur > a::after,
.side-menu li.selected > a::after {
  background-image: url(../images/more-white.svg);
  opacity: 1;
}

/* ---------- 左栏三级栏目（二级 li 内再嵌一层 ul） ----------
   结构：ul > li.on > a + ul > li > a，CMS 的栏目导航组件通常就是这样嵌套输出。
   默认收起，只展开当前二级栏目下的那一组，不依赖 JS。 */
.side-menu li ul {
  display: none;
  background: #faf6f0;
  border-bottom: 1px dashed var(--c-dash);
}

.side-menu li.on > ul,
.side-menu li.cur > ul,
.side-menu li.selected > ul {
  display: block;
}

/* JS 接管后（.side-menu 加了 js-toggle），展开与否只看 .open，
   这样任何一组都能手动点开或收起，不再只有当前栏目那一组。
   没有 JS 时上面那条仍生效，当前栏目照常展开。 */
.side-menu.js-toggle li > ul {
  display: none;
}

.side-menu.js-toggle li.open > ul {
  display: block;
}

/* 折叠按钮：盖在二级项右侧的箭头上，点箭头折叠、点文字照常跳转 */
.side-menu li.has-sub {
  position: relative;
}

.side-menu .side-toggle {
  display: block;
  position: absolute;
  right: 0;
  top: 0;
  width: 58px;
  height: 58px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  z-index: 2;
}

/* 箭头随展开状态转向：收起时朝右，展开时朝下 */
.side-menu li.has-sub > a::after {
  transition: transform .3s, opacity .3s;
}

.side-menu li.has-sub.open > a::after {
  transform: rotate(90deg);
}

.side-menu li li > a {
  padding: 0 30px 0 48px;
  line-height: 46px;
  font-size: 15px;
  color: var(--c-text-2);
  border-bottom: 0;
}

/* 三级不再挂右侧箭头，改成文字左边一小段短横 */
.side-menu li li > a::after {
  display: none;
}

.side-menu li li > a::before {
  left: 30px;
  top: 50%;
  width: 6px;
  height: 1px;
  margin-top: -1px;
  background: var(--c-primary);
  opacity: .45;
  transform: none;
}

.side-menu li li > a:hover {
  color: var(--c-primary);
  background: #f3ece1;
}

/* 当前三级栏目：整块反白是二级的表达，这里用主色加粗 + 短横加长来区分层级 */
/* 当前三级栏目：整块反白是二级的表达，这里用主色加粗 + 短横加长来区分层级 */
.side-menu li li.on > a,
.side-menu li li.cur > a,
.side-menu li li.selected > a {
  color: var(--c-primary);
  background: transparent;
  font-weight: bold;
}

.side-menu li li.on > a::before,
.side-menu li li.cur > a::before,
.side-menu li li.selected > a::before {
  width: 12px;
  opacity: 1;
}



/* 右栏 */
.main {
  flex: 1;
  min-width: 0;
  padding-top: 34px;
}

.main-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--c-line);
}

.main-head h1,
.main-head h2 {
  position: relative;
  padding-bottom: 14px;
  font: bold 26px/1.3 var(--font-serif);
  color: var(--c-primary);
  letter-spacing: 2px;
}

.main-head h1::after,
.main-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  background: var(--c-primary);
}

.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding-bottom: 16px;
  font-size: 14px;
  color: var(--c-text-2);
}

.crumbs::before {
  content: "";
  width: 16px;
  height: 16px;
  margin-right: 6px;
  background: url(../images/home.svg) no-repeat center / contain;
}

.crumbs a:hover {
  color: var(--c-primary);
}

/* 分隔符：设计稿用 <i>，CMS 位置导航组件可能输出 span 或裸文本，两种都兼容 */
.crumbs i,
.crumbs em,
.crumbs>span:not(:last-child) {
  margin: 0 8px;
  font-style: normal;
  color: #bbb;
}

.crumbs>span:last-child {
  color: var(--c-text-2);
}

.main-body {
  margin-top: 26px;
}

.box {
  padding: 14px 34px;
  background: var(--c-white);
  box-shadow: 0 4px 20px rgba(143, 92, 42, .05);
}

/* ---------- 分页 ---------- */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
  font-size: 14px;
  color: var(--c-text-2);
}

/* 条目外观：分页 HTML 由 CMS 系统输出，当前页可能是 a、span 或 strong。
   这里只给链接和当前页的常见类名套框，不给裸 span 套框——
   "共 X 条 X/X 页" 这类统计文字若不带 .info 类，套上框就破版了。
   接入后如发现某个元素没框，按它实际的 class 往下面这行补一个选择器即可。 */
.pager a,
.pager .num,
.pager .page,
.pager .on,
.pager .cur,
.pager .current,
.pager .this-page,
.pager .selected,
.pager strong {
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  line-height: 36px;
  text-align: center;
  border: 1px solid #e0d6ca;
  background: var(--c-white);
  color: var(--c-text);
}

.pager a:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

/* 当前页：.on 为设计稿约定，其余为 CMS 常见写法 */
.pager .on,
.pager .cur,
.pager .current,
.pager .this-page,
.pager .selected,
.pager strong {
  background: var(--c-primary) !important;
  border-color: var(--c-primary) !important;
  color: var(--c-white) !important;
  font-weight: normal;
}

.pager .disabled,
.pager .nolink,
.pager .no-link {
  color: #bbb;
  pointer-events: none;
}

.pager .info {
  margin-right: 10px;
}

.pager .jump {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
}

.pager .jump input {
  width: 50px;
  height: 38px;
  border: 1px solid #e0d6ca;
  text-align: center;
  outline: none;
}

.pager .jump button {
  height: 38px;
  padding: 0 14px;
  background: var(--c-primary);
  color: var(--c-white);
}

/* 博达 CMS 系统分页栏：映射 p_* 类名到本站 .pager 的视觉规格。
   .pagebar 是自定义模板名，.pb_sys_common 兼容后台预览的系统外层。 */
.pagebar,
.pb_sys_common {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px !important;
  font: 14px/1.6 var(--font, "Microsoft YaHei", "PingFang SC", Arial, sans-serif);
  color: var(--c-text-2, #666);
}

.pagebar .p_pages,
.pb_sys_common .p_pages {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.pagebar a,
.pb_sys_common a {
  text-decoration: none;
}

.pagebar .p_fun_d,
.pagebar .p_no_d,
.pagebar .p_fun a,
.pagebar .p_no a,
.pagebar .p_goto a,
.pb_sys_common .p_fun_d,
.pb_sys_common .p_no_d,
.pb_sys_common .p_fun a,
.pb_sys_common .p_no a,
.pb_sys_common .p_goto a {
  box-sizing: border-box;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 38px;
  height: 38px;
  margin: 0;
  padding: 0 10px;
  border: 1px solid #e0d6ca;
  background: var(--c-white, #fff);
  color: var(--c-text, #333);
  line-height: 36px;
  vertical-align: middle;
  transition: color .3s, border-color .3s, background-color .3s;
}

.pagebar .p_fun a:hover,
.pagebar .p_no a:hover,
.pb_sys_common .p_fun a:hover,
.pb_sys_common .p_no a:hover {
  border-color: var(--c-primary, #8f5c2a);
  color: var(--c-primary, #8f5c2a);
}

.pagebar .p_no_d,
.pb_sys_common .p_no_d {
  border-color: var(--c-primary, #8f5c2a);
  background: var(--c-primary, #8f5c2a);
  color: var(--c-white, #fff);
}

.pagebar .p_fun_d,
.pb_sys_common .p_fun_d {
  color: #bbb;
  cursor: default;
}

.pagebar .p_dot,
.pb_sys_common .p_dot {
  display: inline-flex;
  align-items: center;
  height: 38px;
  margin: 0;
  color: var(--c-text-2, #666);
}

.pagebar .p_t,
.pb_sys_common .p_t {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin: 0 2px;
  padding: 0;
  color: var(--c-text-2, #666);
  line-height: 1.6;
  vertical-align: middle;
}

.pagebar .p_goto,
.pb_sys_common .p_goto {
  display: inline-flex;
  align-items: center;
  margin: 0;
}

.pagebar .p_goto input,
.pb_sys_common .p_goto input {
  box-sizing: border-box;
  width: 50px;
  height: 38px;
  margin: 0;
  padding: 0 5px;
  border: 1px solid #e0d6ca;
  border-radius: 0;
  background: var(--c-white, #fff);
  color: var(--c-text, #333);
  font: 14px/36px var(--font, "Microsoft YaHei", "PingFang SC", Arial, sans-serif);
  text-align: center;
  vertical-align: middle;
  outline: none;
}

.pagebar .p_goto input:hover,
.pagebar .p_goto input:focus,
.pb_sys_common .p_goto input:hover,
.pb_sys_common .p_goto input:focus {
  border-color: var(--c-primary, #8f5c2a);
}

.pagebar .p_goto a,
.pb_sys_common .p_goto a {
  border-color: var(--c-primary, #8f5c2a);
  background: var(--c-primary, #8f5c2a);
  color: var(--c-white, #fff);
  padding: 0 14px;
}

.pagebar .p_goto a:hover,
.pb_sys_common .p_goto a:hover {
  border-color: var(--c-primary-dark, #734e1f);
  background: var(--c-primary-dark, #734e1f);
  color: var(--c-white, #fff);
}

/* ---------- 科研创新聚合 ---------- */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.topic-card {
  position: relative;
  padding: 20px 28px 16px;
  background: var(--c-white);
  box-shadow: 0 4px 20px rgba(143, 92, 42, .06);
}

.topic-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, var(--c-primary) 0 90px, var(--c-line) 90px);
}

.topic-card .hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px dashed var(--c-dash);
}

.topic-card .hd h3 {
  font: bold 21px/1.5 var(--font-serif);
  color: var(--c-primary);
}

.topic-card .hd a.sm {
  font-size: 14px;
  color: var(--c-text-2);
}

.topic-card .hd a.sm:hover {
  color: var(--c-primary);
}

.topic-card .news-list li a {
  line-height: 46px;
}

.topic-card .news-list .t {
  font-size: 16px;
}

.topic-card .news-list .d {
  font-size: 14px;
}

/* ---------- 学术刊物 ---------- */
.journal-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px 26px;
}

.journal-list li a {
  display: block;
  text-align: center;
}

.journal-list .book {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--c-primary) url(../images/stele-texture.png) no-repeat center / cover;
  box-shadow: 6px 8px 0 #e3d8ca, 0 10px 24px rgba(90, 60, 25, .18);
  transition: .45s var(--ease);
}

.journal-list .book::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 100%;
  background: var(--c-primary-dark);
  box-shadow: 1px 0 0 rgba(255, 255, 255, .2);
}

.journal-list .book img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.journal-list .book .label {
  position: absolute;
  top: 10%;
  right: 14%;
  padding: 14px 7px;
  background: #f7efe2;
  border: 1px solid #d9c3a5;
  outline: 3px solid rgba(247, 239, 226, .35);
  writing-mode: vertical-rl;
  white-space: nowrap;
  font: bold 20px/1.2 var(--font-serif);
  letter-spacing: 3px;
  color: var(--c-primary-dark);
}

.journal-list .book .label:empty {
  display: none;
}

/* 模板留空时不显示空白题名框（题名由 common.js 依刊名生成） */
.journal-list .book .seal {
  position: absolute;
  left: 30px;
  bottom: 16px;
  width: 26px;
  height: 26px;
  line-height: 24px;
  border: 1px solid #e8d2b0;
  font: 14px/24px var(--font-serif);
  color: #e8d2b0;
}

.journal-list .name {
  display: block;
  margin-top: 16px;
  font-size: 17px;
  color: var(--c-text);
}

.journal-list .go {
  font-size: 13px;
  color: var(--c-text-3);
}

.journal-list li a:hover .book {
  transform: translateY(-6px);
  box-shadow: 6px 8px 0 #d9c7b1, 0 18px 30px rgba(90, 60, 25, .25);
}

.journal-list li a:hover .name {
  color: var(--c-primary);
}

/* 真实封面图片版：保留整张封面，不裁切、不叠加模拟书脊。 */
.journal-intro {
  margin: 0 0 28px;
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.8;
}

.journal-list--covers li a {
  height: 100%;
}

.journal-list--covers .book {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: #f3eee6;
  border: 1px solid #e4d9c8;
  box-shadow: 5px 6px 0 #e7ded2, 0 9px 18px rgba(90, 60, 25, .1);
}

.journal-list--covers .book::before {
  display: none;
}

.journal-list--covers .book img {
  position: static;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 5px 7px rgba(45, 30, 16, .16));
}

.journal-list--covers .name {
  margin-top: 14px;
  line-height: 1.45;
}

.journal-list--covers li a:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 6px;
}

/* ---------- 文件 / 简报列表 ---------- */
.file-list li a {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 6px;
  border-bottom: 1px dashed var(--c-dash);
}

.file-list .ico {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  background: url(../images/file.svg) no-repeat center / contain;
}

.file-list .t {
  flex: 1;
  min-width: 0;
  font-size: 17px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: .3s;
}

.file-list .d {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--c-text-2);
}

.file-list .btn {
  flex-shrink: 0;
  padding: 0 14px;
  line-height: 30px;
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
  font-size: 14px;
  transition: .3s;
}

.file-list li a:hover .t {
  color: var(--c-primary);
}

.file-list li a:hover .btn {
  background: var(--c-primary);
  color: var(--c-white);
}

/* ---------- 文章详情 / 单篇 ---------- */
.article {
  padding: 40px 50px 50px;
  background: var(--c-white);
  box-shadow: 0 4px 20px rgba(143, 92, 42, .05);
}

.article-title {
  font: bold 28px/1.6 var(--font-serif);
  color: var(--c-text);
  text-align: center;
}

.article-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 26px;
  margin-top: 16px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--c-dash);
  font-size: 14px;
  color: var(--c-text-2);
}

.article-body {
  margin-top: 30px;
  font-size: 17px;
  line-height: 2;
  color: var(--c-text);
  text-align: justify;
  word-break: break-word;
}

.article-body p {
  margin: 0 0 1em;
  text-indent: 2em;
}

.article-body img {
  display: block;
  max-width: 100%;
  height: auto !important;
  margin: 10px auto;
}

/* display:block 才能让 margin auto 生效（CMS 编辑器可能输出裸 img） */
.article-body figure {
  margin: 20px 0;
  text-align: center;
}

.article-body figcaption {
  font-size: 14px;
  color: var(--c-text-2);
}

.article-body h3 {
  margin: 1.4em 0 .6em;
  font: bold 20px/1.6 var(--font-serif);
  color: var(--c-primary);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
}

.article-body td,
.article-body th {
  padding: 8px 12px;
  border: 1px solid #e0d6ca;
}

.attach {
  margin-top: 30px;
  padding: 18px 24px;
  background: #faf6f0;
  border-left: 3px solid var(--c-primary);
}

.attach h4 {
  font-size: 16px;
  color: var(--c-primary);
  margin-bottom: 8px;
}

.attach li a {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 34px;
  font-size: 15px;
}

.attach li a::before {
  content: "";
  width: 18px;
  height: 18px;
  background: url(../images/file.svg) no-repeat center / contain;
}

.attach li a:hover {
  color: var(--c-primary);
  text-decoration: underline;
}

.article-nav {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
  font-size: 15px;
}

.article-nav p {
  line-height: 2.2;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.article-nav span {
  color: var(--c-primary);
}

.article-nav a:hover {
  color: var(--c-primary);
}

/* ---------- 联系我们 ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.contact-cards li {
  padding: 34px 20px 30px;
  text-align: center;
  background: var(--c-white);
  border-top: 3px solid var(--c-primary);
  box-shadow: 0 4px 20px rgba(143, 92, 42, .06);
}

.contact-cards .ic {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: #faf6f0 no-repeat center / 28px;
}

.contact-cards .ic-addr {
  background-image: url(../images/location.svg);
}

.contact-cards .ic-tel {
  background-image: url(../images/phone.svg);
}

.contact-cards .ic-mail {
  background-image: url(../images/mail.svg);
}

.contact-cards h4 {
  font: bold 18px/1.5 var(--font-serif);
  color: var(--c-primary);
}

.contact-cards p {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* ---------- 图片来源 ---------- */
.credit-list li {
  padding: 18px 0;
  border-bottom: 1px dashed var(--c-dash);
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-text-2);
}

.credit-list li strong {
  display: block;
  font-size: 17px;
  color: var(--c-text);
}

.credit-list li a {
  color: var(--c-primary);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .inner-wrap {
    gap: 30px;
  }

  .side {
    width: 240px;
  }

  .journal-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 960px) {
  .inner-banner::after {
    display: none;
  }

  .inner-body {
    padding-bottom: 80px;
  }

  .inner-wrap {
    flex-direction: column;
    gap: 0;
  }

  .side {
    width: 100%;
    margin-top: -20px;
  }

  .side-title {
    padding: 16px 20px;
  }

  .side-title h2 {
    font-size: 22px;
  }

  .side-title p {
    display: none;
  }

  .side-menu ul {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .side-menu li {
    flex-shrink: 0;
  }

  .side-menu li > a {
    padding: 0 20px;
    line-height: 48px;
    font-size: 15px;
    border-bottom: 0;
    border-right: 1px dashed var(--c-dash);
  }

  .side-menu li > a::after {
    display: none;
  }

  .side-menu li > a::before {
    width: 100%;
    height: 3px;
    top: auto;
    bottom: 0;
    left: 0;
    margin-top: 0;
    opacity: 1;
    background: var(--c-accent);
    transform: scaleX(0);
  }

  .side-menu li.on > a::before,
  .side-menu li.cur > a::before,
  .side-menu li.selected > a::before {
    transform: none;
  }

  /* 三级栏目：排成第二行横向条，与二级那行各自独立滚动。
     三级 ul 嵌在 li 里，宽度受 li 限制，所以用绝对定位拉通整行，
     再由 .side-menu 的 padding-bottom 给它让出位置（JS 判断有没有展开项后加 has-open-sub）。 */
  .side-menu {
    position: relative;
  }

  /* 桌面为了放折叠按钮给 li 加了 position:relative，
     这里必须还原成 static，否则三级 ul 会相对 li 定位、盖住二级那一行 */
  .side-menu li.has-sub {
    position: static;
  }

  .side-menu.has-open-sub {
    padding-bottom: 44px;
  }

  .side-menu li ul {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 44px;
    background: #faf6f0;
    border: 0;
    border-top: 1px dashed var(--c-dash);
    box-shadow: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* 横向条里每项很窄，放不下折叠按钮，这里仍只展开当前栏目那一组。
     下面两条特异性与桌面的 .open 规则相同，靠位置靠后取胜。 */
  .side-menu .side-toggle {
    display: none;
  }

  .side-menu li.on > ul,
  .side-menu li.cur > ul,
  .side-menu li.selected > ul,
  .side-menu.js-toggle li.on > ul,
  .side-menu.js-toggle li.cur > ul,
  .side-menu.js-toggle li.selected > ul {
    display: flex;
  }

  .side-menu.js-toggle li.open > ul {
    display: none;
  }

  .side-menu.js-toggle li.on.open > ul,
  .side-menu.js-toggle li.cur.open > ul,
  .side-menu.js-toggle li.selected.open > ul {
    display: flex;
  }

  .side-menu li li > a {
    padding: 0 16px;
    line-height: 44px;
    font-size: 14px;
    color: var(--c-text-2);
    white-space: nowrap;
    border-bottom: 0;
    border-right: 1px dashed var(--c-dash);
  }

  .side-menu li li:last-child > a {
    border-right: 0;
  }

  /* 当前三级项：底部一道强调色横线，和二级那行的当前态呼应 */
  .side-menu li li > a::before {
    display: block;
    width: 100%;
    height: 2px;
    top: auto;
    bottom: 0;
    left: 0;
    margin-top: 0;
    opacity: 1;
    background: var(--c-primary);
    transform: scaleX(0);
  }

  .side-menu li li.on > a,
  .side-menu li li.cur > a,
  .side-menu li li.selected > a {
    color: var(--c-primary);
    font-weight: bold;
    background: var(--c-white);
  }

  /* 当前态是贯穿项宽的横线。width 必须在这里再写一次：
     桌面那条 .on 规则把短横加长到 12px，特异性比本段的基础规则高，不覆盖就会渗进来 */
  .side-menu li li.on > a::before,
  .side-menu li li.cur > a::before,
  .side-menu li li.selected > a::before {
    width: 100%;
    transform: none;
  }

  .main {
    width: 100%;
    padding-top: 24px;
  }

  .main-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .main-head h1,
  .main-head h2 {
    font-size: 22px;
  }

  .crumbs {
    order: -1;
    padding-bottom: 0;
    font-size: 13px;
  }

  .box {
    padding: 8px 16px;
  }

  .topic-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .article {
    padding: 26px 18px 30px;
  }

  .article-title {
    font-size: 22px;
  }

  .contact-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .journal-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }

  .journal-list .book .label {
    font-size: 16px;
    letter-spacing: 3px;
    padding: 10px 5px;
  }

  .file-list li a {
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 16px 0;
  }

  .file-list .t {
    flex-basis: calc(100% - 50px);
    white-space: normal;
    font-size: 16px;
  }

  .file-list .d {
    margin-left: 50px;
  }

  .file-list .btn {
    display: none;
  }

  .pager .info,
  .pager .jump,
  .pagebar .p_t,
  .pagebar .p_goto,
  .pb_sys_common .p_t,
  .pb_sys_common .p_goto {
    display: none;
  }

  .article-body {
    font-size: 16px;
  }
}

/* 内页阅读优化 */
.main .date-list .t {
  white-space: normal;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.inner-banner--stele::after {
  width: 220px;
  height: 220px;
}

@media (max-width: 640px) {
  .inner-banner {
    height: clamp(120px, 33.333vw, 180px);
  }

  .side {
    margin-top: 0;
    box-shadow: none;
  }

  .side-title {
    padding: 10px 16px;
  }

  .side-title h2 {
    font-size: 18px;
  }

  .side-menu li > a {
    padding: 0 15px;
    line-height: 44px;
  }

  .side-menu li li > a {
    padding: 0 12px;
    line-height: 44px;
  }

  .main {
    padding-top: 18px;
  }

  .box {
    padding: 4px 14px;
  }

  .main .date-list li a {
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
    padding: 16px 0;
  }

  .main .date-list .date {
    order: 2;
    width: auto;
    margin: 0;
    padding: 0;
    border: 0;
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: 13px;
  }

  .main .date-list .date .day {
    font: inherit;
  }

  .main .date-list .t {
    font-size: 16px;
    line-height: 1.75;
  }

  .main .date-list .s {
    margin-top: 6px;
  }

  .topic-card .news-list li a {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 10px;
    padding-bottom: 10px;
    line-height: 1.7;
  }

  .topic-card .news-list .t {
    white-space: normal;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .topic-card .news-list .d {
    margin: 6px 0 0;
  }
}

@media (max-width: 640px) {
  .main .date-list .date {
    flex-direction: row-reverse;
    gap: 0;
  }

  .main .date-list .date .day::before {
    content: "-";
  }
}