/**
 * 业务内容区 — 对齐新版首页（配合 site-shell.css）
 */
body.zk-shell .Zbanner_zkbd,
body.zk-shell .Zbanner_hyzx,
body.zk-shell .dxl_banner2 {
  display: none !important;
}
body.zk-shell .Zweizhi {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 0;
  font-size: 13px;
  color: var(--text-muted);
  background: transparent;
}
body.zk-shell .Zweizhi a { color: var(--blue); text-decoration: none; }
body.zk-shell .Zweizhi a:hover { text-decoration: underline; }

body.zk-shell .dxl_main,
body.zk-shell .Z_jz,
body.zk-shell .dxl_main2 {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 20px;
  box-sizing: border-box;
}

/* —— 题库入口 questions —— */
body.zk-shell .Zdaojishi {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  margin: 0 0 20px;
  background: linear-gradient(135deg, #e8f2ff, #fff);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
body.zk-shell .Zdaojishi img { width: 48px; height: 48px; }
body.zk-shell .Zdaojishi p {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}
body.zk-shell .Zdaojishi h2 {
  margin: 4px 0 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
body.zk-shell .Zdaojishi #dxl_djs_t {
  color: var(--blue);
  font-size: 22px;
  font-weight: 800;
}
body.zk-shell #dxl_select_type {
  display: inline-flex !important;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text) !important;
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow);
}
body.zk-shell .kc_fl {
  width: 100% !important;
  max-width: 100%;
  margin: 20px 0 !important;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  list-style: none;
  box-sizing: border-box;
}
body.zk-shell .kc_fl li h2 {
  color: var(--text-muted);
  font-size: 14px !important;
  margin-right: 8px;
  white-space: nowrap;
}
body.zk-shell .kc_fl li a {
  background: var(--blue-soft) !important;
  color: var(--text-muted) !important;
  border-radius: 999px !important;
  border: 1px solid transparent;
  transition: all 0.15s;
}
body.zk-shell .kc_fl li a:hover {
  color: var(--blue) !important;
  border-color: rgba(0, 102, 204, 0.25);
}
body.zk-shell .kc_fl li a.fl_xz {
  background: var(--blue) !important;
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

body.zk-shell ul.dxl_leftnav2 {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 14px;
  width: auto !important;
  float: none !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
  align-self: start;
}
body.zk-shell ul.dxl_leftnav2 > li {
  float: none !important;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
body.zk-shell ul.dxl_leftnav2 > li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 204, 0.25);
}
body.zk-shell ul.dxl_leftnav2 > li > a {
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 12px !important;
  height: auto !important;
  text-decoration: none;
}
body.zk-shell ul.dxl_leftnav2 > li img {
  width: 40px !important;
  height: 40px !important;
  margin: 0 !important;
}
body.zk-shell ul.dxl_leftnav2 > li p {
  margin: 0 !important;
  font-size: 14px !important;
  font-weight: 700;
  color: var(--text) !important;
  text-align: center;
}

/* 题库页：左九宫格 + 右资讯 */
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
}
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > .Zdaojishi,
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > .zk-q-toolbar,
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > .kc_fl,
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > div[style*="clear"] {
  grid-column: 1 / -1;
}
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > ul.dxl_leftnav2 {
  grid-column: 1;
}
body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > .dxl_rightdiv {
  grid-column: 2;
  float: none !important;
  width: 100% !important;
  max-width: 300px;
  margin: 0 !important;
  padding: 16px !important;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  box-sizing: border-box;
  position: sticky;
  top: 16px;
}
body.zk-shell .dxl_rdsousuo form {
  display: flex;
  gap: 8px;
}
body.zk-shell .dxl_rdsousuo input[type="text"] {
  flex: 1;
  min-width: 0;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 14px;
  font-size: 14px;
}
body.zk-shell .dxl_rdsousuo input[type="submit"] {
  height: 42px;
  padding: 0 14px;
  border: 0;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}
body.zk-shell .dxl_rd_tit2 {
  margin: 14px 0 8px !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
}
body.zk-shell .dxl_rd_tit2 p {
  font-weight: 800;
  color: var(--text);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
  padding-left: 10px;
  border-left: 3px solid var(--blue);
  line-height: 1.2;
}
body.zk-shell .dxl_rd_tit2 a {
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
body.zk-shell .dxl_rdnewslist,
body.zk-shell .dxl_rdhotlist {
  list-style: none;
  margin: 0 0 8px !important;
  padding: 8px 0 !important;
  background: var(--blue-soft) !important;
  border-radius: 12px;
}
body.zk-shell .dxl_rdnewslist li,
body.zk-shell .dxl_rdhotlist li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0 !important;
  padding: 8px 12px !important;
  line-height: 1.45 !important;
  font-size: 13px !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
body.zk-shell .dxl_rdnewslist li:last-child,
body.zk-shell .dxl_rdhotlist li:last-child {
  border-bottom: 0;
}
body.zk-shell .dxl_rdnewslist li img,
body.zk-shell .dxl_rdhotlist li img {
  width: 6px !important;
  height: 6px !important;
  margin: 7px 0 0 !important;
  border-radius: 1px;
  flex-shrink: 0;
  background: var(--blue);
}
body.zk-shell .dxl_rdnewslist li a,
body.zk-shell .dxl_rdhotlist li a {
  color: var(--text-muted) !important;
  text-decoration: none;
  flex: 1;
  min-width: 0;
}
body.zk-shell .dxl_rdnewslist li a:hover,
body.zk-shell .dxl_rdhotlist li a:hover {
  color: var(--blue) !important;
}
body.zk-shell .dxl_rdnewslist li .zk-q-news-time {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: #94a3b8;
}

@media (max-width: 900px) {
  body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) {
    grid-template-columns: 1fr;
  }
  body.zk-shell .dxl_main:has(> ul.dxl_leftnav2) > .dxl_rightdiv {
    grid-column: 1;
    max-width: none;
    position: static;
  }
}

body.zk-shell .zk-q-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 8px 0 4px;
  position: relative;
  max-width: none !important;
  text-align: center;
}
body.zk-shell .zk-q-buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: 12px;
  background: var(--blue);
  color: #fff !important;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.28);
  position: static !important;
  transform: none !important;
  margin: 0 !important;
  width: auto !important;
}

/* —— 章节列表 —— */
body.zk-shell .dxl_main:has(> .dxl_leftlist2) {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 20px;
  align-items: start;
  overflow: visible !important;
  width: 100% !important;
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_leftlist2 {
  float: none !important;
  width: auto !important;
  max-width: none !important;
  margin: 0 !important;
  grid-column: 1;
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav {
  float: none !important;
  width: 100% !important;
  margin: 0 !important;
  grid-column: 2;
  position: sticky;
  top: 16px;
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 8px 0 !important;
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li {
  margin: 0 !important;
  line-height: 1.3 !important;
  border-bottom: 1px solid var(--border);
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li:last-child {
  border-bottom: 0;
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li a {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  color: var(--text) !important;
  font-weight: 600;
  text-decoration: none;
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li a img {
  width: 22px !important;
  height: 22px !important;
  margin: 0 !important;
  flex-shrink: 0;
}
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li.zk-qn-on,
body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li.zk-qn-on a {
  background: var(--blue-light) !important;
  color: var(--blue) !important;
}

body.zk-shell .dxl_leftlist2 {
  float: none !important;
  width: 100% !important;
  max-width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px 22px 28px;
  box-sizing: border-box;
}
body.zk-shell .dxl_leftlist2 > .dxl_lt {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 4px;
}
body.zk-shell .zk-chapter-tabs {
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin: 0 0 18px;
  padding: 4px;
  background: var(--blue-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-sizing: border-box;
}
body.zk-shell .zk-chapter-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  height: 40px;
  padding: 0 18px;
  border-radius: 9px;
  color: var(--text-muted) !important;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none !important;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
body.zk-shell .zk-chapter-tab:hover {
  color: var(--blue) !important;
  background: rgba(255, 255, 255, 0.7);
}
body.zk-shell .zk-chapter-tab.is-active {
  background: var(--blue) !important;
  color: #fff !important;
  box-shadow: 0 6px 14px rgba(0, 102, 204, 0.25);
}
body.zk-shell .dxl_leftlist2 .fl_xz2 {
  float: none !important;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  background: none !important;
  padding: 0;
}
body.zk-shell .dxl_leftlist2 .fl_xz1 {
  display: inline-flex;
  float: none !important;
  margin-left: 0 !important;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue) !important;
  font-weight: 600;
  text-decoration: none;
}
body.zk-shell .dxl_leftlist2 .fl_xz1 a {
  color: inherit !important;
  text-decoration: none;
}
body.zk-shell .dxl_ll2_list {
  list-style: none;
  margin: 16px 0 0 !important;
  padding: 0 !important;
}
body.zk-shell .dxl_ll2_list > a {
  display: block;
  text-decoration: none;
  color: inherit;
}
body.zk-shell .dxl_ll2_list li {
  display: flex !important;
  align-items: center;
  gap: 14px;
  width: auto !important;
  padding: 14px 16px !important;
  margin-bottom: 10px !important;
  background: var(--blue-soft) !important;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-sizing: border-box;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
body.zk-shell .dxl_ll2_list li:hover {
  border-color: rgba(0, 102, 204, 0.35);
  box-shadow: var(--shadow);
  background: #fff !important;
}
body.zk-shell .dxl_ll2_list li > img {
  float: none !important;
  width: 48px !important;
  height: 48px !important;
  margin: 0 !important;
  border-radius: 10px !important;
  flex-shrink: 0;
  object-fit: cover;
  background: #e2e8f0;
}
body.zk-shell .dxl_ll2_list .dxl_progress {
  float: none !important;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
body.zk-shell .dxl_ll2_list .dxl_chaname {
  font-weight: 700;
  color: var(--text);
  font-size: 15px;
  line-height: 1.35 !important;
  margin: 0 0 8px;
}
body.zk-shell .dxl_ll2_list .dxl_pro_tiao,
body.zk-shell .dxl_ll2_list .dxl_pro_tiao2 {
  width: 100% !important;
  max-width: 100% !important;
  height: 8px !important;
  margin: 0 !important;
  background: #e2e8f0 !important;
  border-radius: 999px;
  overflow: hidden;
}
body.zk-shell .dxl_ll2_list .dxl_pro_tiao span,
body.zk-shell .dxl_ll2_list .dxl_pro_tiao2 span {
  background: var(--blue) !important;
  border-radius: 999px;
  height: 8px !important;
}
body.zk-shell .dxl_ll2_list .dxl_pro_bili,
body.zk-shell .dxl_ll2_list .dxl_pro_bili2,
body.zk-shell .dxl_ll2_list .dxl_pro_bili3 {
  float: none !important;
  color: var(--text-muted);
  font-size: 13px !important;
  font-weight: 600;
  line-height: 1.2 !important;
  margin: 0 !important;
  white-space: nowrap;
  flex-shrink: 0;
}
body.zk-shell .dxl_ll2_list .dxl_pro_bili3 {
  min-width: 42px;
  text-align: right;
  color: var(--blue);
  font-weight: 800;
}

@media (max-width: 900px) {
  body.zk-shell .dxl_main:has(> .dxl_leftlist2) {
    grid-template-columns: 1fr;
  }
  body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav {
    grid-column: 1;
    position: static;
    display: flex;
    flex-wrap: wrap;
  }
  body.zk-shell .dxl_main:has(> .dxl_leftlist2) > .dxl_rightnav li {
    flex: 1 1 40%;
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
}

/* 刷题侧栏 quicknav */
body.zk-shell .dxl_rightnav {
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
body.zk-shell .dxl_rightnav li {
  background: transparent !important;
  border-bottom: 1px solid var(--border);
}
body.zk-shell .dxl_rightnav li:last-child { border-bottom: 0; }
body.zk-shell .dxl_rightnav li a {
  color: var(--text) !important;
  font-weight: 600;
}
body.zk-shell .dxl_rightnav li.zk-qn-on {
  background: var(--blue-light) !important;
}
body.zk-shell .dxl_rightnav li.zk-qn-on a {
  color: var(--blue) !important;
}
body.zk-shell .dxl_rightnav li[style*="fc0"],
body.zk-shell .dxl_rightnav li[style*="#fc0"] {
  background: var(--blue-light) !important;
}
body.zk-shell .dxl_rightnav li[style*="fc0"] a,
body.zk-shell .dxl_rightnav li[style*="#fc0"] a {
  color: var(--blue) !important;
}

/* 答题页外壳 */
body.zk-shell .zdxl_m_left,
body.zk-shell .tik {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
body.zk-shell .dianji.on,
body.zk-shell .dianji.cur {
  border-color: var(--blue) !important;
}

/* —— 刷题页 practice_free 完整内容区 —— */
body.zk-shell .dxl_main:has(.zdxl_m_left) {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 20px;
  max-width: 1200px;
}
body.zk-shell .zdxl_m_left {
  float: none !important;
  flex: 1;
  min-width: 0;
  width: auto !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
body.zk-shell .zdxl_m_left > .dxl_lt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 14px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
body.zk-shell .zdxl_m_left > .dxl_lt span {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}
body.zk-shell .zdxl_m_left > .dxl_lt .dxl_sright,
body.zk-shell #dxl_sright {
  float: none !important;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue) !important;
  font-size: 13px !important;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.2 !important;
}
body.zk-shell .zdxl_m_left > hr {
  display: none;
}
body.zk-shell .tik {
  width: auto !important;
  max-width: none !important;
  margin: 0 0 16px !important;
  padding: 22px 24px 28px !important;
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  box-sizing: border-box;
}
body.zk-shell .tik .dxl_ml_line1 {
  margin-bottom: 14px;
}
body.zk-shell .tik #dxl_ml_l1_sp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--blue-light);
  border-radius: 999px;
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
}
body.zk-shell .tik #dxl_ml_l1_sp img {
  width: 18px;
  height: 18px;
}
body.zk-shell .tik .dxl_ml_tixing,
body.zk-shell .tik .dxl_ml_ques,
body.zk-shell .tik .dxl_ml_ans,
body.zk-shell .tik .dxl_ml_line2,
body.zk-shell .tik .dxl_ml_line3 {
  margin-left: 0 !important;
}
/* 题型标签：取消旧 absolute 叠字 */
body.zk-shell .tik .dxl_ml_title {
  position: relative !important;
  margin: 0 0 18px !important;
  padding: 0 !important;
  overflow: visible !important;
}
body.zk-shell .tik .dxl_ml_tixing {
  position: static !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: auto !important;
  min-width: 0 !important;
  line-height: 1.2 !important;
  margin: 0 0 12px !important;
  padding: 5px 12px !important;
  background: var(--blue) !important;
  border-radius: 999px !important;
  font-size: 13px !important;
  font-weight: 700;
  color: #fff !important;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.22);
}
body.zk-shell .tik .dxl_ml_tixing img {
  display: none !important;
}
body.zk-shell .tik .dxl_ml_tixing #dxl_ml_tixing,
body.zk-shell .tik .dxl_ml_tixing span {
  color: #fff !important;
  font-size: 13px !important;
  font-weight: 700;
}
body.zk-shell .tik .dxl_ml_ques {
  position: static !important;
  float: none !important;
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 18px !important;
  line-height: 1.7 !important;
  color: var(--text) !important;
  font-weight: 700;
  clear: both;
}
body.zk-shell .tik .dxl_ml_ans {
  list-style: none;
  margin: 0 !important;
  padding: 4px 0 0 !important;
  border: 0 !important;
  width: 100% !important;
  clear: both;
}
body.zk-shell .tik .dxl_ml_ans > li.dianji {
  display: flex !important;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px !important;
  margin: 0 0 10px !important;
  background: var(--blue-soft) !important;
  border: 1.5px solid var(--border) !important;
  border-radius: 12px !important;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  overflow: visible !important;
  float: none !important;
  width: auto !important;
  box-sizing: border-box;
}
body.zk-shell .tik .dxl_ml_ans > li.dianji:hover {
  border-color: rgba(0, 102, 204, 0.4) !important;
  background: #fff !important;
  box-shadow: var(--shadow);
}
body.zk-shell .tik .dxl_ml_ans_chk {
  float: none !important;
  flex: 0 0 28px;
  width: 28px !important;
  height: 28px !important;
  margin: 2px 0 0 !important;
  position: relative !important;
}
body.zk-shell .tik .dxl_mlac_opt {
  width: 28px !important;
  height: 28px !important;
  line-height: 26px !important;
  text-align: center;
  border-radius: 999px !important;
  background: #fff !important;
  border: 1.5px solid var(--blue) !important;
  font-weight: 800;
  color: var(--blue) !important;
  font-size: 13px !important;
  box-sizing: border-box;
}
body.zk-shell .tik .dxl_ml_ans_cont {
  float: none !important;
  width: auto !important;
  flex: 1;
  font-size: 15px !important;
  line-height: 1.65 !important;
  color: var(--text) !important;
  margin: 0 !important;
  padding-top: 2px;
}
body.zk-shell .tik .dxl_ml_sub,
body.zk-shell #dxl_ml_sub {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 44px;
  margin-top: 12px;
  padding: 0 22px;
  border: 0;
  border-radius: 12px;
  background: var(--blue) !important;
  color: #fff !important;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.28);
}
body.zk-shell .tik .dxl_ml_rightanswer {
  margin-left: 14px;
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
}
body.zk-shell .tik .dxl_textans,
body.zk-shell #dxl_textans {
  width: 100%;
  min-height: 110px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  box-sizing: border-box;
  resize: vertical;
}
body.zk-shell .tik .dxl_ml_line2 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 12px !important;
}
body.zk-shell .tik .dxl_mll2_a1,
body.zk-shell .dxl_mll2_a1 {
  width: auto !important;
  min-width: 100px;
  height: 42px !important;
  line-height: 42px !important;
  margin: 0 !important;
  padding: 0 18px;
  border-radius: 12px !important;
  background: var(--blue) !important;
  color: #fff !important;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.22);
}
body.zk-shell .tik .dxl_mll2_a2,
body.zk-shell .dxl_mll2_a2 {
  width: auto !important;
  min-width: 100px;
  height: 42px !important;
  line-height: 40px !important;
  margin: 0 !important;
  padding: 0 16px;
  border-radius: 12px !important;
  border: 1px solid var(--border) !important;
  background: #fff !important;
  color: var(--text) !important;
  font-weight: 600;
  text-decoration: none;
}
body.zk-shell .tik .dxl_mll2_a3,
body.zk-shell .dxl_mll2_a3 {
  width: auto !important;
  min-width: 100px;
  height: 42px !important;
  line-height: 42px !important;
  margin: 0 !important;
  padding: 0 16px;
  border-radius: 12px !important;
  background: var(--blue) !important;
  color: #fff !important;
  font-weight: 700;
  text-decoration: none;
}
body.zk-shell .tik .dxl_ml_line3 {
  margin: 16px 0 0 !important;
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px dashed var(--border);
  border-radius: 12px;
  font-size: 14px !important;
  color: var(--text-muted) !important;
}
body.zk-shell .tik .dxl_ml_line3 span {
  color: #ef4444 !important;
  font-weight: 700;
}

/* 解析 / 评论区 */
body.zk-shell .zdxl_m_left > .dxl_ml_jiexi {
  margin-top: 0;
  padding: 22px 24px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  box-sizing: border-box;
}
body.zk-shell .zdxl_m_left > .dxl_ml_jiexi .dxl_ml_line4,
body.zk-shell #dxl_plnum {
  margin-left: 0 !important;
  margin-top: 0 !important;
  width: auto !important;
  display: inline-flex;
  align-items: center;
  padding: 6px 14px !important;
  background: var(--blue-light) !important;
  color: var(--blue) !important;
  border-radius: 999px !important;
  font-size: 14px !important;
  font-weight: 700;
}
body.zk-shell .z_jiucuo {
  margin: 0 0 0 12px !important;
  font-size: 14px !important;
  color: var(--blue) !important;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}
body.zk-shell .dxl_ml_line5 {
  margin: 14px 0 0 !important;
  padding: 14px 16px;
  background: var(--blue-soft);
  border-radius: 12px;
  font-size: 15px !important;
  line-height: 1.7;
  color: var(--text) !important;
}
body.zk-shell .dxl_ml_line6 {
  width: auto !important;
  height: auto !important;
  margin: 16px 0 0 !important;
}
body.zk-shell .dxl_pub_mysuggest {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
body.zk-shell .dxl_pub_mysuggest textarea {
  width: 100%;
  min-height: 90px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 14px;
}
body.zk-shell #dxl_tjpinglun {
  margin-top: 10px;
  height: 40px;
  padding: 0 20px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
body.zk-shell #dxl_pinglunlist > li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

/* 刷题侧栏 */
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav {
  float: none !important;
  flex: 0 0 180px;
  width: 180px !important;
  margin: 0 !important;
  padding: 8px 0 !important;
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: sticky;
  top: 88px;
}
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li {
  margin: 0 !important;
  line-height: 1.3 !important;
  border-bottom: 1px solid var(--border);
}
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li:last-child {
  border-bottom: 0;
}
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  color: var(--text) !important;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
}
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li a img {
  width: 22px !important;
  height: 22px !important;
  margin: 0 !important;
}
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li.zk-qn-on,
body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li.zk-qn-on a {
  background: var(--blue-light) !important;
  color: var(--blue) !important;
}

/* 答题卡 / 笔记浮层 */
body.zk-shell .dxl_fc {
  z-index: 2000;
}
body.zk-shell .dxl_fc .dxl_fc_w575,
body.zk-shell .dxl_fc .dxl_fc_w575_gai {
  width: min(720px, 92vw) !important;
  max-width: 720px;
  margin: 4% auto 0 !important;
  padding: 28px 28px 24px !important;
  border-radius: 16px !important;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: #fff;
  box-sizing: border-box;
  max-height: 86vh;
  overflow: auto;
  position: relative;
}
body.zk-shell .dxl_fc .dxl_fc_close {
  position: absolute !important;
  top: 16px !important;
  right: 16px !important;
  left: auto !important;
  margin: 0 !important;
  width: 28px !important;
  height: 28px !important;
  opacity: 0.7;
  cursor: pointer;
  z-index: 5;
}
body.zk-shell .dxl_fc .dxl_fc_close:hover {
  opacity: 1;
}

/* 错题 / 收藏 / 笔记：科目折叠列表 */
body.zk-shell .dxl_fc_list1,
body.zk-shell .dxl_fc_list2 {
  width: 100% !important;
  max-width: 100%;
  margin: 8px 0 12px !important;
  padding: 0 !important;
  list-style: none;
}
body.zk-shell .dxl_fc_list1 > li,
body.zk-shell .dxl_fc_list2 > li {
  width: 100% !important;
  overflow: hidden;
  margin: 0 0 12px !important;
  padding: 0 !important;
  border: 1px solid var(--border) !important;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 15px !important;
  line-height: 1.4 !important;
}
body.zk-shell .dxl_fc_list1 > li > a,
body.zk-shell .dxl_fc_list2 > li > a {
  display: flex !important;
  align-items: center;
  gap: 12px;
  padding: 14px 16px !important;
  color: var(--text) !important;
  text-decoration: none;
  background: linear-gradient(135deg, #eef5ff, #fff);
  border-bottom: 1px solid transparent;
}
body.zk-shell .dxl_fc_list2 > li > a .dxl_fc_l2l,
body.zk-shell .dxl_fc_list1 > li > a .dxl_fc_l1l {
  float: none !important;
  width: 28px !important;
  height: 28px !important;
  margin: 0 !important;
  flex-shrink: 0;
}
body.zk-shell .dxl_fc_list2 > li > a span,
body.zk-shell .dxl_fc_list1 > li > a span {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}
body.zk-shell .dxl_fc_list2 > li > a .dxl_fc_l2r,
body.zk-shell .dxl_fc_list1 > li > a .dxl_fc_l1r {
  float: none !important;
  width: 14px !important;
  height: 14px !important;
  margin: 0 !important;
  flex-shrink: 0;
  opacity: 0.55;
}
body.zk-shell .dxl_fc_l2c,
body.zk-shell .dxl_fc_l2c1,
body.zk-shell .dxl_fc_l2c2,
body.zk-shell .dxl_fc_l2c3 {
  width: 100% !important;
  margin: 0 !important;
  padding: 6px 10px 10px !important;
  list-style: none;
  background: #fff;
  box-sizing: border-box;
}
body.zk-shell .dxl_fc_l2c > li,
body.zk-shell .dxl_fc_l2c1 > li,
body.zk-shell .dxl_fc_l2c2 > li,
body.zk-shell .dxl_fc_l2c3 > li {
  width: 100% !important;
  margin: 0 0 8px !important;
  padding: 0 !important;
  overflow: hidden;
  border: 0 !important;
  border-radius: 10px;
  background: var(--blue-soft);
}
body.zk-shell .dxl_fc_l2c > li:last-child,
body.zk-shell .dxl_fc_l2c1 > li:last-child,
body.zk-shell .dxl_fc_l2c2 > li:last-child,
body.zk-shell .dxl_fc_l2c3 > li:last-child {
  margin-bottom: 0 !important;
}
body.zk-shell .dxl_fc_l2c > li > a,
body.zk-shell .dxl_fc_l2c1 > li > a,
body.zk-shell .dxl_fc_l2c2 > li > a,
body.zk-shell .dxl_fc_l2c3 > li > a {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px !important;
  color: var(--text) !important;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
body.zk-shell .dxl_fc_l2c > li > a:hover,
body.zk-shell .dxl_fc_l2c1 > li > a:hover,
body.zk-shell .dxl_fc_l2c2 > li > a:hover,
body.zk-shell .dxl_fc_l2c3 > li > a:hover {
  background: var(--blue-light);
  color: var(--blue) !important;
}
body.zk-shell .dxl_fc_l2cll {
  float: none !important;
  flex: 1;
  min-width: 0;
  margin: 0 !important;
  font-size: 14px !important;
  font-weight: 600;
  line-height: 1.45 !important;
  color: inherit;
  text-align: left;
}
body.zk-shell .dxl_fc_l2clr {
  float: none !important;
  flex-shrink: 0;
  margin: 0 !important;
  font-size: 13px !important;
  color: var(--text-muted);
  white-space: nowrap;
}
body.zk-shell .dxl_fc_l2clr .zk-wrong-badge,
body.zk-shell .dxl_fc_l2clr > span {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(0, 102, 204, 0.18);
  color: var(--text-muted) !important;
  font-weight: 600;
  font-size: 12px;
  line-height: 1.2;
}
body.zk-shell .dxl_fc_l2clr .zk-wrong-badge em,
body.zk-shell .dxl_fc_l2clr > span > span,
body.zk-shell .dxl_fc_l2clr > span > em {
  color: var(--blue) !important;
  font-style: normal;
  font-weight: 800;
  font-size: 14px;
}
body.zk-shell .dxl_fc_l2clr .zk-wrong-badge--cang {
  border-color: rgba(234, 88, 12, 0.2);
}
body.zk-shell .dxl_fc_l2clr .zk-wrong-badge--cang em {
  color: #ea580c !important;
}
body.zk-shell .dxl_noleibie {
  font-size: 18px !important;
  line-height: 1.5 !important;
  padding: 40px 16px !important;
  text-align: center;
  color: var(--text-muted);
}
body.zk-shell #dxl_fcdtk_a {
  display: block !important;
  list-style: none !important;
  margin: 12px 0 0 !important;
  padding: 0 !important;
  clear: both;
}
body.zk-shell #dxl_fcdtk_a > li {
  display: block !important;
  float: none !important;
  width: 100% !important;
  min-width: 0 !important;
  height: auto !important;
  margin: 0 0 22px !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  text-align: left !important;
  box-sizing: border-box;
}
body.zk-shell #dxl_fcdtk_a > li:last-child {
  margin-bottom: 8px !important;
}
body.zk-shell #dxl_fcdtk_a .dxl_fc_p1 {
  display: flex !important;
  align-items: center;
  gap: 8px;
  clear: both;
  text-align: left !important;
  font-size: 16px !important;
  font-weight: 800;
  color: var(--text) !important;
  margin: 0 0 12px !important;
  padding: 10px 14px;
  background: var(--blue-soft);
  border-radius: 10px;
  cursor: pointer;
  line-height: 1.4;
}
body.zk-shell #dxl_fcdtk_a .dxl_fc_xian1 {
  display: none !important;
}
body.zk-shell #dxl_fcdtk_a .dxl_xxk_xjt {
  width: 12px;
  height: 12px;
  margin-left: auto;
}
body.zk-shell #dxl_fcdtk_a .dxl_fc_scantron {
  display: grid !important;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  width: 100% !important;
  overflow: visible !important;
  margin: 0 !important;
  padding: 0 4px !important;
  list-style: none;
  font-size: 14px;
}
@media (min-width: 640px) {
  body.zk-shell #dxl_fcdtk_a .dxl_fc_scantron {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}
body.zk-shell #dxl_fcdtk_a .dxl_fc_scantron > li {
  display: block !important;
  float: none !important;
  width: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  min-width: 0 !important;
  height: auto !important;
  background: transparent !important;
  border: 0 !important;
}
body.zk-shell #dxl_fcdtk_a .dxl_fc_scantron > li > div {
  width: 100% !important;
  min-width: 0 !important;
  height: 40px !important;
  line-height: 38px !important;
  border-radius: 10px !important;
  text-align: center;
  position: relative;
  box-sizing: border-box;
  background: #fff;
  font-weight: 700;
}
body.zk-shell #dxl_fcdtk_a .dxl_fc_scantron > li > div img {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 18px !important;
  height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
}
body.zk-shell #dxl_fc_dtk a[style*="color"],
body.zk-shell #dxl_fc_dtk > .dxl_fc_w575_gai > a:not(.dxl_fc_close) {
  display: inline-flex;
  align-items: center;
  margin: 0 10px 8px 0 !important;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue) !important;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
@media (max-width: 900px) {
  body.zk-shell .dxl_main:has(.zdxl_m_left) {
    flex-direction: column;
  }
  body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav {
    width: 100% !important;
    flex: none;
    position: static;
    display: flex;
    flex-wrap: wrap;
  }
  body.zk-shell .dxl_main:has(.zdxl_m_left) .dxl_rightnav li {
    flex: 1 1 40%;
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
  body.zk-shell #dxl_fcdtk_a .dxl_fc_scantron {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* —— 课程列表 —— */
body.zk-shell ul.kc_list {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  list-style: none;
  margin: 24px 0 0 !important;
  padding: 0 !important;
  width: 100% !important;
  float: none !important;
}
@media (min-width: 900px) {
  body.zk-shell ul.kc_list { grid-template-columns: repeat(3, 1fr); }
}
body.zk-shell ul.kc_list > li {
  float: none !important;
  width: auto !important;
  margin: 0 !important;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
body.zk-shell ul.kc_list > li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
body.zk-shell ul.kc_list > li > a {
  display: block;
  text-decoration: none;
  color: inherit;
}
body.zk-shell ul.kc_list > li > a > img.kc-cover,
body.zk-shell ul.kc_list > li > a > img:first-of-type {
  width: 100% !important;
  height: 168px !important;
  object-fit: cover;
  display: block;
  background: #e2e8f0;
}
body.zk-shell ul.kc_list > li p {
  margin: 0;
  padding: 14px 16px 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  min-height: 48px;
}
body.zk-shell ul.kc_list .list_jg {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px 16px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}
body.zk-shell ul.kc_list .list_jg h3,
body.zk-shell ul.kc_list .list_jg .kc-views {
  font-size: 13px !important;
  color: var(--text-muted) !important;
  font-weight: 500 !important;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 !important;
  line-height: 1.3;
}
body.zk-shell ul.kc_list .list_jg img {
  width: 16px !important;
  height: 16px !important;
  max-width: 16px !important;
  max-height: 16px !important;
  display: inline-block !important;
  object-fit: contain !important;
  background: transparent !important;
  border-radius: 0 !important;
  flex: 0 0 16px;
}
body.zk-shell ul.kc_list .list_jg h2,
body.zk-shell ul.kc_list .list_jg .jg_sf {
  font-size: 20px !important;
  font-weight: 800 !important;
  color: var(--blue) !important;
  margin: 0;
}
body.zk-shell .turn_page {
  text-align: center;
  margin: 28px 0 8px;
}
body.zk-shell .turn_page a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  margin: 0 4px;
  padding: 0 10px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
}
body.zk-shell .turn_page a.p_num,
body.zk-shell .turn_page a .pager font[color="#fff"] {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff !important;
}

/* —— 登录 —— */
body.zk-shell .dxl_main2 {
  display: flex;
  justify-content: center;
  padding-top: 48px;
  padding-bottom: 64px;
  min-height: 50vh;
}
body.zk-shell .dxl_m2_w1200 {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  float: none !important;
}
body.zk-shell form.dxl_register {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px 32px 28px;
  box-sizing: border-box;
}
body.zk-shell .dxl_reg_title {
  font-size: 24px !important;
  font-weight: 800 !important;
  color: var(--text) !important;
  text-align: center;
  margin: 0 0 28px !important;
}
body.zk-shell .dxl_shuru {
  list-style: none;
  margin: 0;
  padding: 0;
}
body.zk-shell .dxl_shuru li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding: 12px 14px;
  background: var(--blue-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
}
body.zk-shell .dxl_shuru li input {
  flex: 1;
  border: 0 !important;
  background: transparent !important;
  outline: none;
  font-size: 15px;
  height: auto !important;
  width: auto !important;
}
body.zk-shell .dxl_forremember {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: 6px;
}
body.zk-shell #login_sub.dxl_btn,
body.zk-shell .dxl_btn {
  display: block;
  width: 100%;
  height: 48px !important;
  margin-top: 20px;
  border: 0;
  border-radius: 12px !important;
  background: var(--blue) !important;
  color: #fff !important;
  font-size: 16px !important;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.28);
}
body.zk-shell .dxl_other {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
}
body.zk-shell .dxl_other a {
  color: var(--blue) !important;
  font-weight: 600;
  text-decoration: none;
}

/* —— 会员中心 —— */
body.zk-shell .dxl_main:has(.dxl_leftnav) {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 20px;
}
body.zk-shell ul.dxl_leftnav {
  float: none !important;
  width: 220px !important;
  flex: 0 0 220px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 8px 0 !important;
  margin: 0 !important;
}
body.zk-shell .dxl_main:has(.dxl_leftnav) .dxl_right_list {
  float: none !important;
  flex: 1;
  min-width: 280px;
  width: auto !important;
  margin: 0 !important;
}
body.zk-shell ul.dxl_leftnav > li:first-child {
  font-weight: 800;
  color: var(--text);
  padding: 14px 18px 10px;
  font-size: 16px;
}
body.zk-shell ul.dxl_leftnav li a {
  color: var(--text-muted) !important;
  font-weight: 600;
}
body.zk-shell ul.dxl_leftnav li.hyxz,
body.zk-shell ul.dxl_leftnav li.hyxz a {
  background: var(--blue-light) !important;
  color: var(--blue) !important;
}
body.zk-shell .dxl_right_list {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
  box-sizing: border-box;
}
body.zk-shell .Z_rt span {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}
body.zk-shell .zk-member-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 8px;
  clear: both;
}
@media (min-width: 768px) {
  body.zk-shell .zk-member-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  body.zk-shell .zk-member-grid { grid-template-columns: repeat(5, 1fr); }
}
body.zk-shell .zk-member-grid a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 12px;
  background: var(--blue-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
body.zk-shell .zk-member-grid a:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 204, 0.3);
  background: #fff;
}
body.zk-shell .zk-member-grid img {
  width: 72px !important;
  height: 72px !important;
  object-fit: contain;
}
body.zk-shell .zk-member-grid span {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
}

/* 清除题库页左右 float 残留 */
body.zk-shell .dxl_main::after {
  content: "";
  display: table;
  clear: both;
}

/* —— 课程详情 —— */
body.zk-shell .kc_top {
  background: linear-gradient(180deg, #eef4fb 0%, #f7f9fc 55%, #fff 100%) !important;
  height: auto !important;
  min-height: 0;
  padding: 8px 0 28px;
  box-sizing: border-box;
}
body.zk-shell .kc_top .kc_jz .kc_bt {
  height: auto !important;
  min-height: 56px;
  padding: 12px 0 8px;
  gap: 16px;
}
body.zk-shell .kc_top .kc_jz .kc_bt h2 {
  font-size: 20px !important;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  max-height: none !important;
}
body.zk-shell .kc_top .kc_jz .kc_bt .kc_fx a {
  color: var(--text-muted) !important;
  font-size: 14px !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp {
  height: auto !important;
  background: #0f172a;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml {
  background: #111827 !important;
  color: #e5e7eb;
  box-sizing: border-box;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml h2,
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml h2.zhang001 {
  color: #1e293b !important;
  background: #fff !important;
  border-radius: 8px;
  width: 100% !important;
  height: auto !important;
  min-height: 44px;
  line-height: 1.4 !important;
  margin: 8px 0 !important;
  padding: 8px 10px !important;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 8px;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml h2 img {
  float: none !important;
  flex-shrink: 0;
  margin-top: 0 !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml h2 span {
  float: none !important;
  width: auto !important;
  flex: 1;
  min-width: 0;
  color: #1e293b !important;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.35;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml h2 .gm {
  float: none !important;
  margin: 0 !important;
  flex-shrink: 0;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml li {
  width: 100% !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml li a {
  color: #cbd5e1 !important;
  display: block;
  padding: 6px 4px;
  border-radius: 6px;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml li a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml li p {
  color: #94a3b8 !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml li span {
  background: #1f2937 !important;
  color: #94a3b8 !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml li a label {
  color: #60a5fa !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml button.sk,
body.zk-shell .kc_mulu button.sk {
  background: var(--blue) !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml button.sk2,
body.zk-shell .kc_mulu button.sk2 {
  background: #16a34a !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml button.gm,
body.zk-shell .kc_mulu button.gm {
  background: #ea580c !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml .clearfix a b,
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml .clearfix dd b {
  color: #64748b !important;
}
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml .clearfix a b.ml,
body.zk-shell .kc_top .kc_jz .kc_sp .kc_ml .clearfix dd b.ml {
  color: #60a5fa !important;
}

body.zk-shell .kc_top .kc_jz .kc_jg {
  height: auto !important;
  min-height: 96px;
  padding: 22px 28px !important;
  margin-top: 16px !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-sizing: border-box;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_l {
  float: none !important;
  width: auto !important;
  flex: 1;
  min-width: 0;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r {
  float: none !important;
  margin-top: 0 !important;
  flex-shrink: 0;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls2 {
  color: var(--blue) !important;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls2 {
  color: #ea580c !important;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls p,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls2 p {
  border-color: currentColor !important;
  font-size: 13px !important;
  width: auto !important;
  padding: 0 10px;
  height: 26px !important;
  line-height: 26px !important;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls h2,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_ls2 h2 {
  font-size: 28px !important;
  font-weight: 800;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_lx p {
  font-size: 14px !important;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r button,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r a.jg_r_join,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r button.jg_r_join {
  width: 168px !important;
  height: 48px !important;
  line-height: 48px !important;
  border-radius: 12px !important;
  border: 0 !important;
  background: var(--blue) !important;
  color: #fff !important;
  font-size: 16px !important;
  font-weight: 800 !important;
  margin-left: 0 !important;
  box-shadow: 0 8px 20px rgba(0, 102, 204, 0.28);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r button:hover,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r a.jg_r_join:hover,
body.zk-shell .kc_top .kc_jz .kc_jg .jg_r button.jg_r_join:hover {
  background: #0057b0 !important;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 102, 204, 0.34);
}

body.zk-shell .nav_jz {
  background: #fff;
  box-shadow: 0 1px 0 var(--border) !important;
  margin-bottom: 20px !important;
  position: sticky;
  top: 0;
  z-index: 40;
}
body.zk-shell .kc_nav {
  padding: 0 !important;
  gap: 8px;
}
body.zk-shell .kc_nav li {
  margin-right: 0 !important;
  font-size: 16px !important;
}
body.zk-shell .kc_nav li a {
  display: block;
  padding: 16px 8px 12px;
  color: var(--text-muted) !important;
  font-weight: 700;
}
body.zk-shell .kc_nav li a hr {
  width: 28px !important;
  height: 3px !important;
  margin-top: 8px !important;
  background: transparent;
  border-radius: 2px;
}
body.zk-shell .kc_nav li a.nav_xz {
  color: var(--blue) !important;
}
body.zk-shell .kc_nav li a.nav_xz hr {
  background: var(--blue) !important;
}

body.zk-shell .Z_jz {
  width: 1200px;
  max-width: 100%;
  margin: 0 auto 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
  box-sizing: border-box;
  padding: 0 12px;
}
body.zk-shell .Z_jz #con_list {
  flex: 1 1 860px;
  min-width: 0;
}
body.zk-shell .Z_jz .dxl_rightdiv {
  flex: 0 0 280px;
  width: 280px !important;
  float: none !important;
}
body.zk-shell .Z_jz .kc_list,
body.zk-shell .Z_jz .kc_list--detail {
  flex: 1 1 100%;
  width: 100% !important;
}

body.zk-shell .kc_mulu,
body.zk-shell .kcb_shkc,
body.zk-shell .kd_list {
  width: 100% !important;
  float: none !important;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 8px 16px 20px;
  box-sizing: border-box;
}
body.zk-shell .kc_mulu h2 {
  width: 100% !important;
  height: auto !important;
  min-height: 44px;
  line-height: 1.4 !important;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  margin: 4px 0 !important;
  border-radius: 10px;
  background: var(--blue-soft);
  box-sizing: border-box;
}
body.zk-shell .kc_mulu h2 span {
  float: none !important;
  width: auto !important;
  flex: 1;
  font-weight: 700;
  color: var(--text);
}
body.zk-shell .kc_mulu li {
  width: 100% !important;
  padding: 4px 4px 4px 8px;
  border-radius: 8px;
}
body.zk-shell .kc_mulu li:hover {
  background: #f8fafc;
}
body.zk-shell .kc_mulu li p {
  width: auto !important;
  max-width: calc(100% - 120px);
  color: var(--text-muted) !important;
}

body.zk-shell .dxl_rd_tit2 {
  background: transparent !important;
  border: 0 !important;
  padding: 0 0 10px !important;
  margin: 0 0 8px !important;
}
body.zk-shell .dxl_rd_tit2 p {
  font-size: 16px !important;
  font-weight: 800 !important;
  color: var(--text) !important;
}
body.zk-shell .kc_ms {
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px !important;
  margin-bottom: 16px !important;
}
body.zk-shell .kc_ms .ms_xm h2 {
  color: var(--blue) !important;
  font-size: 20px !important;
  font-weight: 800 !important;
}
body.zk-shell .kc_ms .ms_xm img {
  border: 2px solid var(--blue-light) !important;
}
body.zk-shell .kc_tj {
  background: #fff !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 14px 14px 6px !important;
  margin-bottom: 16px !important;
  list-style: none;
}
body.zk-shell .kc_tj li a {
  padding-bottom: 14px !important;
  gap: 10px;
  align-items: flex-start;
}
body.zk-shell .kc_tj li img.kc-cover,
body.zk-shell .kc_tj li img {
  width: 78px !important;
  height: 50px !important;
  object-fit: cover;
  border-radius: 8px !important;
  flex-shrink: 0;
  background: #e2e8f0;
}
body.zk-shell .kc_tj li .tj_right {
  margin-left: 0 !important;
  min-width: 0;
  flex: 1;
}
body.zk-shell .kc_tj li .tj_right p {
  font-size: 14px !important;
  height: auto !important;
  max-height: 40px;
  line-height: 1.35 !important;
  font-weight: 700;
  color: var(--text) !important;
}
body.zk-shell .kc_tj li .tj_right .list_jg {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px !important;
}
body.zk-shell .kc_tj li .tj_right .list_jg h3,
body.zk-shell .kc_tj li .tj_right .list_jg .kc-views {
  float: none !important;
  width: auto !important;
  margin: 0 !important;
  font-size: 12px !important;
  color: var(--text-muted) !important;
}
body.zk-shell .kc_tj li .tj_right .list_jg button.gm {
  float: none !important;
  background: var(--blue) !important;
  border-radius: 8px !important;
  height: 22px !important;
  line-height: 22px;
}

body.zk-shell .kc_list .tjq_bt {
  grid-column: 1 / -1;
  width: 100% !important;
  background: none !important;
  height: auto !important;
  margin: 8px 0 4px !important;
  padding: 0 !important;
  line-height: 1.3 !important;
  font-size: 22px !important;
  font-weight: 800 !important;
  color: var(--text);
}
body.zk-shell .kc_list .list_jg h2,
body.zk-shell .kc_list .list_jg .jg_sf {
  color: #ea580c !important;
}

body.zk-shell .zk-new-support-float {
  background: var(--blue) !important;
  border-radius: 12px !important;
  box-shadow: 0 8px 20px rgba(0, 102, 204, 0.28) !important;
}
body.zk-shell .zk-new-support-float:hover {
  background: #0057b0 !important;
}
body.zk-shell #popbox {
  border-radius: 16px !important;
  box-shadow: var(--shadow-lg);
}

/* —— 课程套餐详情 —— */
body.zk-shell .dxl_banner2 {
  display: none !important;
}
body.zk-shell .kcb_top {
  width: 1200px;
  max-width: calc(100% - 24px);
  margin: 20px auto 0 !important;
  padding: 28px !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
  box-sizing: border-box;
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
body.zk-shell .kcb_top::after {
  content: "";
  display: table;
  clear: both;
}
body.zk-shell .kcb_top .kcb_pic {
  float: none !important;
  margin: 0 !important;
  width: 360px !important;
  height: 230px !important;
  object-fit: cover;
  border-radius: 14px !important;
  flex-shrink: 0;
  background: #e2e8f0;
}
body.zk-shell .kcb_top .kcb_right {
  float: none !important;
  max-width: none !important;
  flex: 1;
  min-width: 0;
}
body.zk-shell .kcb_top .kcb_right .jg_bt {
  width: auto !important;
  font-size: 24px !important;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  margin: 0 0 12px;
}
body.zk-shell .kcb_top .kcb_right .kc_fx {
  margin-top: 0 !important;
}
body.zk-shell .kcb_top .kcb_right .kc_fx a {
  color: var(--text-muted) !important;
  font-size: 14px !important;
}
body.zk-shell .kcb_top .kcb_right .jg_jx {
  margin-top: 14px !important;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 14px !important;
  color: var(--text-muted) !important;
}
body.zk-shell .kcb_top .kcb_right .jg_ls,
body.zk-shell .kcb_top .kcb_right .jg_ls2 {
  margin-top: 18px !important;
  color: var(--blue) !important;
}
body.zk-shell .kcb_top .kcb_right .jg_ls2 {
  color: #ea580c !important;
}
body.zk-shell .kcb_top .kcb_right .jg_ls p,
body.zk-shell .kcb_top .kcb_right .jg_ls2 p {
  border-color: currentColor !important;
  width: auto !important;
  padding: 0 10px;
  height: 26px !important;
  line-height: 26px !important;
  font-size: 13px !important;
}
body.zk-shell .kcb_top .kcb_right .jg_ls h2,
body.zk-shell .kcb_top .kcb_right .jg_ls2 h2 {
  font-size: 28px !important;
  font-weight: 800;
}
body.zk-shell .kcb_top .kcb_right .jg_lx {
  margin-top: 12px !important;
}
body.zk-shell .kcb_top .kcb_right .jg_r2 {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
body.zk-shell .kcb_top .kcb_right .jg_r2 button,
body.zk-shell .kcb_top .kcb_right .jg_r2 a.jg_r2_btn {
  width: 160px !important;
  height: 48px !important;
  line-height: 48px !important;
  border-radius: 12px !important;
  margin: 0 !important;
  font-weight: 800 !important;
  box-shadow: 0 8px 20px rgba(0, 102, 204, 0.18);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
body.zk-shell .kcb_top .kcb_right .jg_r2 button.jg_r2_join,
body.zk-shell .kcb_top .kcb_right .jg_r2 button:first-child {
  background: var(--blue) !important;
  color: #fff !important;
}
body.zk-shell .kcb_top .kcb_right .jg_r2 button.jg_r2_join:hover,
body.zk-shell .kcb_top .kcb_right .jg_r2 button:first-child:hover {
  background: #0057b0 !important;
  transform: translateY(-1px);
}
body.zk-shell .kcb_top .kcb_right .jg_r2 button.jg_r2_practice,
body.zk-shell .kcb_top .kcb_right .jg_r2 button:nth-child(2) {
  background: #ea580c !important;
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(234, 88, 12, 0.22);
}
body.zk-shell .kcb_top .kcb_right .jg_r2 button.jg_r2_practice:hover,
body.zk-shell .kcb_top .kcb_right .jg_r2 button:nth-child(2):hover {
  background: #c2410c !important;
  transform: translateY(-1px);
}

body.zk-shell .kcb_shkc {
  width: 100% !important;
  float: none !important;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 8px 18px 12px;
  box-sizing: border-box;
  list-style: none;
  margin: 0;
}
body.zk-shell .kcb_shkc li {
  border-bottom: 1px solid var(--border) !important;
  padding: 18px 4px !important;
}
body.zk-shell .kcb_shkc li:last-child {
  border-bottom: 0 !important;
}
body.zk-shell .kcb_shkc li a {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
}
body.zk-shell .kcb_shkc li a > img.kc-cover,
body.zk-shell .kcb_shkc li a > img:first-of-type {
  float: none !important;
  margin: 0 !important;
  width: 200px !important;
  height: 128px !important;
  object-fit: cover;
  border-radius: 12px !important;
  flex-shrink: 0;
  background: #e2e8f0;
}
body.zk-shell .kcb_shkc li .jg_lx img {
  width: 16px !important;
  height: 16px !important;
  max-width: 16px !important;
  max-height: 16px !important;
  float: none !important;
  margin: 0 6px 0 0 !important;
  border-radius: 0 !important;
  object-fit: contain !important;
  background: transparent !important;
  display: inline-block !important;
  flex-shrink: 0;
}
body.zk-shell .kcb_shkc li .shkc_right {
  float: none !important;
  width: auto !important;
  flex: 1;
  min-width: 0;
}
body.zk-shell .kcb_shkc li .shkc_right .jg_bt {
  height: auto !important;
  max-height: none;
  font-size: 17px !important;
  font-weight: 800;
  color: var(--text) !important;
  line-height: 1.4 !important;
  margin: 0 0 10px !important;
}
body.zk-shell .kcb_shkc li .shkc_right .jg_lx {
  flex-wrap: wrap;
  gap: 6px;
}
body.zk-shell .kcb_shkc li .shkc_right .jg_lx p {
  width: auto !important;
  text-align: left !important;
  font-size: 13px !important;
}
body.zk-shell .kcb_shkc li .shkc_right .shkc_jg {
  margin-top: 14px !important;
}
body.zk-shell .kcb_shkc li .shkc_right .shkc_jg h2,
body.zk-shell .kcb_shkc li .shkc_right .shkc_jg .jg_sf {
  color: #ea580c !important;
  font-size: 22px !important;
  font-weight: 800;
}
body.zk-shell .dxl_slist {
  width: 100% !important;
  float: none !important;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  box-sizing: border-box;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 980px) {
  body.zk-shell .kcb_top {
    flex-direction: column;
    padding: 18px !important;
  }
  body.zk-shell .kcb_top .kcb_pic {
    width: 100% !important;
    height: auto !important;
    max-height: 220px;
  }
  body.zk-shell .kcb_shkc li a {
    flex-direction: column;
  }
  body.zk-shell .kcb_shkc li a > img.kc-cover,
  body.zk-shell .kcb_shkc li a > img:first-of-type {
    width: 100% !important;
    height: 160px !important;
  }
}

/* —— 名师团队列表 —— */
body.zk-shell .dxl_banner2 {
  display: none !important;
}
body.zk-shell .zk-lec-head {
  width: 1200px;
  max-width: calc(100% - 24px);
  margin: 16px auto 16px !important;
  height: auto !important;
  min-height: 0;
  padding: 28px 32px !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #e8f2ff 0%, #fff 55%) !important;
  box-shadow: var(--shadow);
  box-sizing: border-box;
}
body.zk-shell .zk-lec-head .qrdd_wz {
  font-size: 26px !important;
  font-weight: 800;
  color: var(--text);
  margin: 0;
}
body.zk-shell .zk-lec-sub {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}
body.zk-shell ul.ls_list {
  width: 1200px;
  max-width: calc(100% - 24px);
  margin: 0 auto 24px !important;
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  justify-content: stretch !important;
  list-style: none;
  padding: 0;
  box-sizing: border-box;
}
body.zk-shell ul.ls_list > li {
  border: 1px solid var(--border) !important;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 0 !important;
  margin: 0 !important;
  box-sizing: border-box;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
body.zk-shell ul.ls_list > li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 204, 0.25) !important;
}
body.zk-shell ul.ls_list > li:nth-child(even) {
  padding: 0 !important;
}
body.zk-shell ul.ls_list > li > a,
body.zk-shell ul.ls_list > li > a.zk-lec-card {
  display: flex !important;
  flex-direction: column;
  align-items: stretch !important;
  gap: 0;
  text-decoration: none;
  color: inherit;
  height: 100%;
}
body.zk-shell ul.ls_list .zk-lec-photo {
  display: flex;
  justify-content: center;
  padding: 28px 20px 8px;
  background: linear-gradient(180deg, #eef5ff 0%, #fff 100%);
}
body.zk-shell ul.ls_list .zk-lec-photo img.ls-avatar,
body.zk-shell ul.ls_list > li > a > img.ls-avatar,
body.zk-shell ul.ls_list > li > a > img:first-of-type {
  width: 112px !important;
  height: 112px !important;
  object-fit: cover;
  object-position: top center;
  border-radius: 50% !important;
  margin: 0 !important;
  flex-shrink: 0;
  background: #e2e8f0;
  border: 3px solid #fff;
  box-shadow: 0 6px 18px rgba(0, 102, 204, 0.16);
}
body.zk-shell ul.ls_list .ls_list_right {
  width: auto !important;
  flex: 1;
  min-width: 0;
  padding: 8px 22px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
body.zk-shell ul.ls_list .ls_list_right h2 {
  font-size: 20px !important;
  font-weight: 800 !important;
  color: var(--text) !important;
  margin: 0 0 8px;
}
body.zk-shell ul.ls_list .zk-lec-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}
body.zk-shell ul.ls_list .ls_list_right > p {
  height: auto !important;
  max-height: 66px;
  margin: 0 0 10px !important;
  line-height: 1.5 !important;
  color: var(--text-muted) !important;
  font-size: 13px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  text-align: left;
  width: 100%;
}
body.zk-shell ul.ls_list .ls_list_right .star {
  margin: 0 0 12px !important;
}
body.zk-shell ul.ls_list .ls_list_right_tb {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 0 !important;
  width: 100%;
}
body.zk-shell ul.ls_list .ls_list_right_tb h3 {
  width: auto !important;
  float: none !important;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  font-size: 12px !important;
  font-weight: 700 !important;
  color: var(--text-muted) !important;
  line-height: 1.2 !important;
}
body.zk-shell ul.ls_list .ls_list_right_tb h3 img {
  display: none !important;
}
body.zk-shell ul.ls_list .zk-lec-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  height: 36px;
  padding: 0 18px;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(0, 102, 204, 0.22);
}
body.zk-shell ul.ls_list > li:hover .zk-lec-more {
  background: #0057b0;
}
body.zk-shell .turn_page {
  width: 1200px;
  max-width: calc(100% - 24px);
  margin: 0 auto 40px;
  text-align: center;
}
body.zk-shell .turn_page a.p_num,
body.zk-shell .fanye .p_num {
  background: var(--blue) !important;
}
body.zk-shell .ls_top {
  background: linear-gradient(180deg, #e8f2ff, #f7f9fc) !important;
}
body.zk-shell .ls_top .ls_top_tx {
  object-fit: cover;
  object-position: top center;
  border-radius: 50% !important;
  background: #e2e8f0;
  border: 4px solid #fff;
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.2);
}

@media (max-width: 1024px) {
  body.zk-shell ul.ls_list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  body.zk-shell ul.ls_list {
    grid-template-columns: 1fr;
  }
  body.zk-shell ul.ls_list .zk-lec-photo img.ls-avatar,
  body.zk-shell ul.ls_list > li > a > img.ls-avatar,
  body.zk-shell ul.ls_list > li > a > img:first-of-type {
    width: 100px !important;
    height: 100px !important;
  }
}