/**
 * sections-mall.css —— 星智商城 / 学习交流 / 全局搜索 三个板块的专属样式。
 * 前缀约定：s-mall-* / s-study-* / s-search-*，不污染其他板块与组件库。
 * 依赖 base.css 的变量（--blue-deep / --blue-light / --orange / --silver / --shadow / --shadow-deep）。
 */

/* ============================================================
   一、星智商城 #mall
   ============================================================ */

.s-mall {
  padding: 24px 0 48px;
}

.s-mall-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.s-mall-head-main .section-title {
  margin-bottom: 6px;
}

.s-mall-cart {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  padding-right: 34px;
}

.s-mall-cart .icon-svg {
  color: var(--blue-light);
}

.s-mall-cart-badge {
  position: absolute;
  top: -6px;
  right: 6px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 10px;
  background-color: #ff4d4f;
  color: #fff;
  font-size: 12px;
  line-height: 20px;
  text-align: center;
  font-weight: 600;
}

.s-mall-cart-badge.is-bump {
  animation: s-mall-bump 0.42s ease;
}

@keyframes s-mall-bump {
  0% { transform: scale(1); }
  40% { transform: scale(1.45); }
  100% { transform: scale(1); }
}

/* —— 分类导航 —— */
.s-mall-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.s-mall-nav-item {
  position: relative;
}

.s-mall-nav-btn {
  border: none;
  background: transparent;
  padding: 9px 18px;
  font-size: 15px;
  color: var(--gray-dark);
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.s-mall-nav-btn:hover {
  background-color: #F0F7FF;
  color: var(--blue-light);
}

.s-mall-nav-item.is-active > .s-mall-nav-btn {
  background-color: var(--blue-light);
  color: #fff;
  font-weight: 600;
}

/* 二级类目：hover 展开（设计设备） */
.s-mall-nav-item.has-sub:hover .s-mall-nav-sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.s-mall-nav-sub {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20;
  min-width: 168px;
  padding-top: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.s-mall-nav-sub-inner {
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 10px;
  box-shadow: var(--shadow-deep);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.s-mall-nav-sub-item {
  border: none;
  background: transparent;
  text-align: left;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--gray-dark);
  border-radius: 6px;
  cursor: pointer;
}

.s-mall-nav-sub-item:hover {
  background-color: #F0F7FF;
  color: var(--blue-light);
}

.s-mall-nav-sub-item.is-active {
  color: var(--orange);
  font-weight: 600;
}

.s-mall-subnav-host {
  margin-top: 12px;
}

.s-mall-subnav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.s-mall-subnav-label {
  font-size: 13px;
  color: var(--gray-light);
}

.s-mall-subnav-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.s-mall-filter {
  margin: 14px 0 8px;
}

.s-mall-result {
  margin-bottom: 10px;
}

.s-mall-count {
  font-size: 13px;
  color: var(--gray-light);
}

.s-mall-count b {
  color: var(--orange);
}

/* —— 商品卡片 —— */
.s-mall-list {
  min-height: 200px;
}

.s-mall-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.s-mall-card.is-out {
  opacity: 0.72;
}

.s-mall-cover {
  position: relative;
  width: 100%;
  height: 176px;
  overflow: hidden;
  background-color: #F0F7FF;
}

.s-mall-cover svg {
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 0.3s ease;
}

.s-mall-card:hover .s-mall-cover svg {
  transform: scale(1.06);
}

.s-mall-out {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 4px 10px;
  background-color: rgba(26, 26, 26, 0.65);
  color: #fff;
  font-size: 12px;
}

.s-mall-card-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: 1;
}

.s-mall-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-deep);
  line-height: 1.45;
  min-height: 42px;
}

.s-mall-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.s-mall-rating {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.s-mall-sales {
  font-size: 12px;
  color: var(--gray-light);
}

.s-mall-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.s-mall-price {
  font-size: 20px;
  font-weight: 700;
  color: #ff4d4f;
}

.s-mall-origin {
  font-size: 13px;
  color: var(--gray-light);
}

.s-mall-stock {
  font-size: 12px;
  color: var(--gray-light);
}

.s-mall-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.s-mall-btn {
  flex: 1;
  padding: 7px 4px;
  font-size: 13px;
}

.s-mall-pager {
  margin-top: 18px;
}

/* —— 商品详情模态 —— */
.s-mall-detail {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.s-mall-detail-left {
  width: 340px;
  flex: none;
}

.s-mall-detail-stage {
  width: 320px;
  height: 240px;
  border-radius: 10px;
  overflow: hidden;
  background-color: #F0F7FF;
}

.s-mall-detail-stage svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-mall-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.s-mall-thumb {
  width: 72px;
  height: 54px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: none;
}

.s-mall-thumb svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-mall-thumb.is-active {
  border-color: var(--orange);
}

.s-mall-detail-right {
  flex: 1;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s-mall-detail-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--blue-deep);
}

.s-mall-detail-meta,
.s-mall-detail-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--gray-light);
}

.s-mall-detail-price b {
  font-size: 26px;
  color: #ff4d4f;
  font-weight: 700;
}

.s-mall-detail-price s {
  margin-left: 10px;
  color: var(--gray-light);
  font-size: 14px;
}

.s-mall-detail-block {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.s-mall-detail-label {
  font-size: 13px;
  color: var(--gray-light);
  min-width: 56px;
}

.s-mall-detail-specs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.s-mall-detail-tip {
  font-size: 12px;
  color: var(--gray-light);
}

.s-mall-detail-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-dark);
  background-color: #F8F9FA;
  border-radius: 8px;
  padding: 10px 12px;
}

.s-mall-detail-serv {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--gray-dark);
}

.s-mall-detail-serv span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.s-mall-detail-none {
  font-size: 13px;
  color: var(--gray-light);
}

/* —— 数量步进器 —— */
.s-mall-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--silver);
  border-radius: 6px;
  overflow: hidden;
}

.s-mall-step {
  width: 28px;
  height: 28px;
  border: none;
  background-color: #F8F9FA;
  color: var(--gray-dark);
  font-size: 15px;
  cursor: pointer;
}

.s-mall-step:hover {
  background-color: #F0F7FF;
  color: var(--blue-light);
}

.s-mall-step-num {
  min-width: 34px;
  text-align: center;
  font-size: 13px;
  color: var(--blue-deep);
}

.s-mall-stepper.is-lg .s-mall-step {
  width: 32px;
  height: 32px;
}

/* —— 购物车抽屉 —— */
.s-mall-cart-row {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #F0F2F5;
}

.s-mall-cart-cover {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  overflow: hidden;
  flex: none;
  background-color: #F0F7FF;
}

.s-mall-cart-cover svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-mall-cart-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.s-mall-cart-name {
  font-size: 14px;
  color: var(--blue-deep);
  line-height: 1.45;
}

.s-mall-cart-spec {
  font-size: 12px;
  color: var(--gray-light);
}

.s-mall-cart-row-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.s-mall-cart-price {
  color: #ff4d4f;
  font-weight: 600;
  font-size: 14px;
}

.s-mall-cart-sub {
  font-size: 13px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-mall-cart-del {
  border: none;
  background: none;
  color: var(--gray-light);
  font-size: 12px;
  cursor: pointer;
  margin-left: auto;
}

.s-mall-cart-del:hover {
  color: #ff4d4f;
}

.s-mall-cart-foot {
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s-mall-cart-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 14px;
  color: var(--gray-dark);
}

.s-mall-cart-total b {
  font-size: 20px;
  color: #ff4d4f;
}

.s-mall-cart-empty {
  padding: 60px 0;
  text-align: center;
}

.s-mall-cart-empty-icon .icon-svg {
  width: 44px;
  height: 44px;
  color: var(--silver);
}

.s-mall-cart-empty-title {
  margin-top: 12px;
  font-size: 15px;
  color: var(--gray-dark);
}

.s-mall-cart-empty-desc {
  margin: 6px 0 14px;
  font-size: 13px;
  color: var(--gray-light);
}

/* —— 结算弹窗 —— */
.s-mall-check {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.s-mall-check-block h5 {
  font-size: 14px;
  color: var(--blue-deep);
  margin-bottom: 8px;
}

.s-mall-check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed #E8EDF5;
  font-size: 13px;
  color: var(--gray-dark);
}

.s-mall-check-row > span:first-child {
  flex: 1;
  min-width: 0;
}

.s-mall-check-spec {
  color: var(--gray-light);
  font-size: 12px;
}

.s-mall-check-qty {
  color: var(--gray-light);
}

.s-mall-check-money {
  color: #ff4d4f;
  font-weight: 600;
  min-width: 72px;
  text-align: right;
}

.s-mall-check-line {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--gray-light);
  padding: 4px 0;
}

.s-mall-check-line b {
  color: var(--blue-deep);
  font-weight: 500;
}

.s-mall-check-sum {
  background-color: #F8F9FA;
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-dark);
}

.s-mall-check-sum > div {
  display: flex;
  justify-content: space-between;
}

.s-mall-check-sum .is-total b {
  color: #ff4d4f;
  font-size: 18px;
}

/* —— 企业采购专区 —— */
.s-mall-zone {
  margin-top: 36px;
  padding: 22px;
  background: linear-gradient(135deg, #F0F7FF 0%, #FFFFFF 60%);
  border: 1px solid var(--silver);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.s-mall-zone-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.s-mall-zone-title {
  font-size: 18px;
  color: var(--blue-deep);
  margin-bottom: 4px;
}

.s-mall-zone-desc {
  font-size: 13px;
  color: var(--gray-light);
}

.s-mall-zone-tag {
  padding: 5px 12px;
  border-radius: 14px;
  background-color: #FFF3E0;
  color: var(--orange);
  font-size: 12px;
}

.s-mall-zone-body {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.s-mall-zone-left {
  flex: 1;
  min-width: 320px;
}

.s-mall-zone-right {
  width: 300px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.s-mall-lines-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.s-mall-btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.s-mall-line {
  display: grid;
  grid-template-columns: 1.6fr 1.4fr 0.7fr 1.4fr auto;
  gap: 8px;
  margin-bottom: 8px;
}

.s-mall-lines-foot {
  font-size: 13px;
  color: var(--gray-light);
  margin: 6px 0 14px;
}

.s-mall-lines-foot b {
  color: var(--blue-deep);
}

.s-mall-b2b-form {
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 10px;
  padding: 16px;
}

.s-mall-rfq {
  margin-top: 14px;
}

.s-mall-rfq-ok {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 10px;
  background-color: #F6FFED;
  border: 1px solid #B7EB8F;
  font-size: 13px;
  color: #389E0D;
}

.s-mall-rfq-ok b {
  font-size: 15px;
}

.s-mall-perk {
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.s-mall-perk-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
}

.s-mall-perk-label {
  font-size: 14px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-mall-perk-desc {
  font-size: 12px;
  color: var(--gray-light);
  line-height: 1.6;
}

/* ============================================================
   二、学习交流 #study
   ============================================================ */

.s-study {
  padding: 24px 0 48px;
}

.s-study-head {
  margin-bottom: 18px;
}

.s-study-block {
  margin-bottom: 34px;
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.s-study-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.s-study-block-head h4 {
  font-size: 17px;
  color: var(--blue-deep);
  position: relative;
  padding-left: 12px;
}

.s-study-block-head h4::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.s-study-block-tip {
  font-size: 12px;
  color: var(--gray-light);
}

/* —— 学习数据卡 —— */
.s-study-data {
  background: linear-gradient(120deg, #0A2463 0%, #1E65F3 100%);
  border-radius: 12px;
  padding: 18px 22px;
  color: #fff;
}

.s-study-data-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.s-study-data-title {
  font-size: 16px;
  font-weight: 600;
}

.s-study-data-sub {
  font-size: 13px;
  opacity: 0.85;
  margin-top: 4px;
}

.s-study-data-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.s-study-data.is-guest {
  background: #fff;
  border: 1px dashed var(--silver);
  color: var(--gray-dark);
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.s-study-data-guest-title {
  font-size: 15px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-study-data-guest-desc {
  font-size: 13px;
  color: var(--gray-light);
  margin: 6px 0 12px;
}

.s-study-data.is-guest .s-study-data-kpis {
  flex: 1;
  min-width: 260px;
}

.s-study-kpi {
  background-color: rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.s-study-data.is-guest .s-study-kpi {
  background-color: #F8F9FA;
}

.s-study-kpi-num {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.s-study-data.is-guest .s-study-kpi-num {
  color: var(--silver);
}

.s-study-kpi-num i {
  font-size: 12px;
  font-style: normal;
  margin-left: 3px;
  font-weight: 400;
}

.s-study-kpi-label {
  font-size: 13px;
  opacity: 0.85;
}

.s-study-data.is-guest .s-study-kpi-label {
  color: var(--gray-light);
}

/* —— 通用 chips / 计数 / 分页 —— */
.s-study-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.s-study-filter {
  margin-bottom: 8px;
}

.s-study-count {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 8px;
}

.s-study-count b {
  color: var(--orange);
}

.s-study-list {
  min-height: 180px;
}

.s-study-pager {
  margin-top: 14px;
}

.s-study-btn {
  padding: 6px 12px;
  font-size: 13px;
}

.s-study-btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* —— 课程卡片 —— */
.s-study-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.s-study-cover {
  position: relative;
  height: 158px;
  overflow: hidden;
  background-color: #F0F7FF;
}

.s-study-cover svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-study-level {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 3px 8px;
  border-radius: 10px;
  background-color: rgba(10, 36, 99, 0.72);
  color: #fff;
  font-size: 12px;
}

.s-study-card-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.s-study-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-deep);
  line-height: 1.45;
  min-height: 42px;
}

.s-study-card-meta {
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.s-study-price.is-free {
  color: #52c41a;
  font-weight: 600;
}

.s-study-price.is-paid {
  color: #ff4d4f;
  font-weight: 600;
}

.s-study-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-progress-bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background-color: #E8EDF5;
  overflow: hidden;
}

.s-study-progress-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #1E65F3, #FF7A2F);
}

.s-study-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}

.s-study-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* —— 课程详情 —— */
.s-study-detail-head {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.s-study-detail-cover {
  width: 220px;
  height: 140px;
  border-radius: 10px;
  overflow: hidden;
  flex: none;
}

.s-study-detail-cover svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-study-detail-meta {
  flex: 1;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.s-study-detail-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--blue-deep);
}

.s-study-detail-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--gray-light);
}

.s-study-detail-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-dark);
}

.s-study-detail-h5 {
  font-size: 15px;
  color: var(--blue-deep);
  margin: 18px 0 10px;
}

.s-study-outline {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.s-study-outline-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--gray-dark);
}

.s-study-outline-item:nth-child(odd) {
  background-color: #F8F9FA;
}

.s-study-outline-no {
  color: var(--orange);
  font-weight: 600;
}

.s-study-outline-title {
  flex: 1;
  min-width: 0;
}

.s-study-outline-min {
  color: var(--gray-light);
  font-size: 12px;
}

.s-study-teacher {
  display: flex;
  gap: 14px;
  padding: 14px;
  background-color: #F8F9FA;
  border-radius: 10px;
  font-size: 13px;
  color: var(--gray-dark);
}

.s-study-teacher b {
  color: var(--blue-deep);
}

.s-study-teacher span {
  color: var(--gray-light);
  font-size: 12px;
  margin-left: 8px;
}

.s-study-teacher p {
  margin-top: 6px;
  line-height: 1.7;
}

.s-study-reviews,
.s-study-replies {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.s-study-review,
.s-study-reply {
  padding: 10px 12px;
  border: 1px solid #F0F2F5;
  border-radius: 10px;
}

.s-study-review-head,
.s-study-reply-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--blue-deep);
  margin-bottom: 6px;
}

.s-study-reply-head span {
  color: var(--gray-light);
  font-size: 12px;
}

.s-study-review-body,
.s-study-reply-body {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-dark);
}

.s-study-detail-none {
  font-size: 13px;
  color: var(--gray-light);
  padding: 10px 0;
}

/* —— 直播时间轴 —— */
.s-study-tabs {
  margin-bottom: 12px;
}

.s-study-tabs-inner {
  border-bottom: 1px solid var(--silver);
}

.s-study-live {
  display: flex;
  flex-direction: column;
}

.s-study-live-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 12px;
  border-radius: 10px;
  transition: background-color 0.2s;
}

.s-study-live-item:hover {
  background-color: #F8F9FA;
}

.s-study-live-item.is-finished {
  opacity: 0.82;
}

.s-study-live-time {
  width: 62px;
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--blue-deep);
}

.s-study-live-time b {
  font-size: 18px;
}

.s-study-live-time span {
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-live-dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--orange);
  flex: none;
}

.s-study-live-dot::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  bottom: -34px;
  width: 2px;
  background-color: #E8EDF5;
}

.s-study-live-item:last-child .s-study-live-dot::after {
  display: none;
}

.s-study-live-item.is-finished .s-study-live-dot {
  background-color: var(--silver);
}

.s-study-live-main {
  flex: 1;
  min-width: 0;
}

.s-study-live-title {
  font-size: 15px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-study-live-meta {
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 4px;
}

.s-study-live-side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

/* —— 回放播放器 —— */
.s-study-player-stage {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background-color: #0A2463;
}

.s-study-player-stage svg {
  width: 100%;
  height: 260px;
  display: block;
}

.s-study-player-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 3px 10px;
  border-radius: 10px;
  background-color: rgba(255, 122, 47, 0.9);
  color: #fff;
  font-size: 12px;
}

.s-study-player-bar {
  margin-top: 12px;
  height: 6px;
  border-radius: 3px;
  background-color: #E8EDF5;
  overflow: hidden;
}

.s-study-player-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #1E65F3, #FF7A2F);
  transition: width 0.35s linear;
}

.s-study-player-ctrl {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.s-study-player-time {
  font-size: 13px;
  color: var(--gray-light);
  margin-left: auto;
}

.s-study-player-info {
  margin-top: 14px;
  padding: 12px 14px;
  background-color: #F8F9FA;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--gray-light);
}

.s-study-player-info b {
  color: var(--blue-deep);
  font-size: 15px;
}

/* —— 行业沙龙 —— */
.s-study-salon {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.s-study-salon.is-full {
  opacity: 0.8;
}

.s-study-salon-cover {
  height: 132px;
  overflow: hidden;
  background-color: #F0F7FF;
}

.s-study-salon-cover svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-study-salon-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.s-study-salon-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-deep);
  line-height: 1.45;
}

.s-study-salon-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-salon-desc {
  font-size: 13px;
  color: var(--gray-dark);
  line-height: 1.6;
}

.s-study-salon-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  flex-wrap: wrap;
}

.s-study-salon-left {
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-salon-left b {
  color: var(--orange);
  font-size: 15px;
}

.s-study-salon-left.is-zero b {
  color: var(--gray-light);
}

/* —— 学术论坛 —— */
.s-study-forum {
  display: flex;
  flex-direction: column;
}

.s-study-post {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.s-study-post:hover {
  background-color: #F8F9FA;
}

.s-study-post.is-top {
  background-color: #FFFBF5;
}

.s-study-post-main {
  min-width: 0;
  flex: 1;
}

.s-study-post-title {
  font-size: 15px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-study-post-top {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 6px;
  border-radius: 4px;
  background-color: var(--orange);
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  vertical-align: 2px;
}

.s-study-post-meta {
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 5px;
}

.s-study-post-side {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-post-stat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.s-study-post-stat .icon-svg {
  width: 14px;
  height: 14px;
}

.s-study-post-detail-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--blue-deep);
}

.s-study-post-detail-head span {
  display: block;
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 4px;
}

.s-study-post-detail-title {
  font-size: 17px;
  color: var(--blue-deep);
  margin-bottom: 10px;
}

.s-study-post-detail-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-dark);
  padding: 14px;
  background-color: #F8F9FA;
  border-radius: 10px;
}

.s-study-reply-form {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.s-study-reply-form textarea {
  width: 100%;
}

/* —— 问答社区 —— */
.s-study-qa-body {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.s-study-qa-left {
  flex: 1;
  min-width: 300px;
}

.s-study-qa-right {
  width: 300px;
  flex: none;
}

.s-study-qa-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.s-study-qa {
  border: 1px solid #F0F2F5;
  border-radius: 10px;
  overflow: hidden;
}

.s-study-qa.is-open {
  border-color: var(--blue-light);
  box-shadow: var(--shadow);
}

.s-study-qa-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  cursor: pointer;
}

.s-study-qa-head:hover {
  background-color: #F8F9FA;
}

.s-study-qa-main {
  min-width: 0;
  flex: 1;
}

.s-study-qa-title {
  font-size: 15px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-study-qa-meta {
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 5px;
}

.s-study-qa-side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.s-study-qa-tags {
  display: flex;
  gap: 5px;
}

.s-study-qa-bounty {
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
}

.s-study-qa-count {
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-qa-side .icon-svg.is-flip {
  transform: rotate(180deg);
}

.s-study-qa-detail {
  padding: 0 16px 16px;
  border-top: 1px dashed #E8EDF5;
}

.s-study-qa-answers {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.s-study-qa-answer {
  padding: 12px 14px;
  border-radius: 10px;
  background-color: #F8F9FA;
  border: 1px solid transparent;
}

.s-study-qa-answer.is-accepted {
  background-color: #F6FFED;
  border-color: #B7EB8F;
}

.s-study-qa-answer-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.s-study-qa-answer-head b {
  color: var(--blue-deep);
  font-size: 14px;
}

.s-study-qa-answer-head span {
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-qa-answer-head .c-btn {
  margin-left: auto;
}

.s-study-qa-answer-body {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-dark);
}

.s-study-qa-reply {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.s-study-qa-reply textarea {
  width: 100%;
}

/* —— 积分榜 —— */
.s-study-rank {
  background: linear-gradient(160deg, #F0F7FF 0%, #FFFFFF 70%);
  border: 1px solid var(--silver);
  border-radius: 12px;
  padding: 14px 16px;
}

.s-study-rank-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-deep);
  margin-bottom: 12px;
}

.s-study-rank-tip {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-light);
}

.s-study-rank-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.s-study-rank-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 8px;
}

.s-study-rank-item:hover {
  background-color: #F8F9FA;
}

.s-study-rank-no {
  width: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--gray-light);
  flex: none;
}

.s-study-rank-item.is-top3 .s-study-rank-no {
  color: var(--orange);
  font-weight: 700;
}

.s-study-rank-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.s-study-rank-main b {
  font-size: 13px;
  color: var(--blue-deep);
}

.s-study-rank-main span {
  font-size: 12px;
  color: var(--gray-light);
}

.s-study-rank-side {
  text-align: right;
  flex: none;
}

.s-study-rank-side b {
  display: block;
  font-size: 13px;
  color: var(--orange);
}

.s-study-rank-side span {
  font-size: 12px;
  color: var(--gray-light);
}

/* ============================================================
   三、全局搜索 #search
   ============================================================ */

.s-search {
  padding: 24px 0 48px;
}

.s-search-head {
  margin-bottom: 16px;
}

.s-search-summary {
  font-size: 13px;
  color: var(--gray-light);
  margin-top: 6px;
}

.s-search-kw {
  color: var(--orange);
}

.s-search-tabs-host {
  margin-bottom: 14px;
}

.s-search-tabs {
  border-bottom: 1px solid var(--silver);
}

.s-search-tab-count {
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 8px;
  background-color: #F0F7FF;
  color: var(--blue-light);
  font-size: 12px;
}

.s-search-tabs .c-tabs-item.is-active .s-search-tab-count {
  background-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.s-search-tabs .c-tabs-item.is-empty {
  opacity: 0.55;
}

.s-search-body {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.s-search-main {
  flex: 1;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.s-search-side {
  width: 280px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.s-search-group {
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.s-search-group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.s-search-group-title {
  font-size: 16px;
  color: var(--blue-deep);
}

.s-search-group-count {
  font-size: 12px;
  color: var(--gray-light);
}

.s-search-rows {
  display: flex;
  flex-direction: column;
}

.s-search-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.s-search-item:hover {
  background-color: #F8F9FA;
}

.s-search-item + .s-search-item {
  border-top: 1px solid #F0F2F5;
}

.s-search-item-cover {
  width: 64px;
  height: 48px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
  background-color: #F0F7FF;
}

.s-search-item-cover svg {
  width: 100%;
  height: 100%;
  display: block;
}

.s-search-item-cover .icon-svg {
  width: 26px;
  height: 26px;
  color: var(--blue-light);
}

.s-search-item-main {
  flex: 1;
  min-width: 0;
}

.s-search-item-title {
  font-size: 14px;
  color: var(--blue-deep);
  font-weight: 600;
}

.s-search-item-desc {
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 4px;
  line-height: 1.5;
}

.s-search-item-side {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.s-search-item-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
}

.s-search-item-price.is-red {
  color: #ff4d4f;
}

.s-search-item-num {
  font-size: 12px;
  color: var(--gray-light);
}

.s-search-more {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
}

.s-search-more .icon-svg {
  width: 13px;
  height: 13px;
}

.s-search-more:hover .icon-svg {
  transform: translateY(2px);
}

.s-search-panel {
  background-color: #fff;
  border: 1px solid var(--silver);
  border-radius: 12px;
  padding: 14px 16px;
}

.s-search-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
  margin-bottom: 10px;
}

.s-search-clear {
  border: none;
  background: none;
  font-size: 12px;
  color: var(--gray-light);
  cursor: pointer;
}

.s-search-clear:hover {
  color: var(--orange);
}

.s-search-hot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed #E8EDF5;
}

.s-search-hot-label {
  display: block;
  font-size: 13px;
  color: var(--gray-dark);
  margin-bottom: 8px;
}

.s-search-hot-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.s-search-panel-empty {
  font-size: 13px;
  color: var(--gray-light);
}

.s-search-none {
  padding: 30px 0;
  text-align: center;
  font-size: 14px;
  color: var(--gray-light);
}

/* ============================================================
   四、响应式（≤1200 / ≤768 / ≤480）
   ============================================================ */

@media (max-width: 1200px) {
  .s-study-qa-right,
  .s-search-side {
    width: 260px;
  }

  .s-mall-zone-right {
    width: 260px;
  }
}

@media (max-width: 768px) {
  .s-mall-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .s-mall-nav-sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .s-mall-nav-item.is-active .s-mall-nav-sub {
    display: block;
  }

  .s-mall-line {
    grid-template-columns: 1fr 1fr;
  }

  .s-mall-detail-left {
    width: 100%;
  }

  .s-mall-detail-stage {
    width: 100%;
    height: 220px;
  }

  .s-study-data-kpis {
    grid-template-columns: 1fr;
  }

  .s-study-qa-body,
  .s-search-body {
    flex-direction: column;
  }

  .s-study-qa-right,
  .s-search-side,
  .s-mall-zone-right {
    width: 100%;
  }

  .s-search-item {
    flex-wrap: wrap;
  }

  .s-search-item-side {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .s-mall-line {
    grid-template-columns: 1fr;
  }

  .s-study-live-item {
    flex-wrap: wrap;
  }

  .s-study-live-side {
    width: 100%;
    justify-content: flex-start;
  }

  .s-study-post-side {
    gap: 8px;
  }
}

/* 尊重系统「减少动效」设置 */
@media (prefers-reduced-motion: reduce) {
  .s-mall-cart-badge.is-bump,
  .s-mall-cover svg,
  .s-study-player-bar i {
    animation: none;
    transition: none;
  }
}