/* ---------- 改性新材料 ---------- */
.mod-top {
  display: flex;
}
.mod-center {
  flex: 1;
  min-width: 0;
  margin-right: 20px;
}
.mod-shops {
  position: relative;
  margin-top: 16px;
  padding: 0 20px;
  border-bottom: 1px solid #e8edf5;
}
.mod-shops .slider-item {
  width: 25%;
}
.mod-shop {
  display: block;
  width: 100%;
  text-align: left;
}
.mod-shop-logo {
  display: flex;
  height: 80px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.mod-shop-logo img {
  max-width: 250px;
  max-height: 100%;
}
.mod-shop p {
  margin-top: 14px;
  font-size: 16px;
  line-height: 28px;
  color: #222;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mod-shop p.active {
  color: #4267b5;
}
.mod-shop-underline {
  display: block;
  width: 200px;
  height: 4px;
  margin: 8px auto 0;
  border-radius: 2px;
  background: #4267b5;
  opacity: 0;
}
.mod-shop.active .mod-shop-underline {
  opacity: 1;
}
.mod-products {
  padding: 20px;
}
.mod-product-row {
  display: none;
}
.mod-product-row.active {
  display: flex;
}
.mod-apps {
  flex: none;
  width: 300px;
}
.mod-apps-scroll {
  max-height: 570px;
  margin: 14px 0 0;
  padding: 0 20px 20px;
  overflow-y: auto;
}
.mod-apps-scroll li {
  margin-bottom: 12px;
}
.mod-app {
  display: flex;
  height: 130px;
  align-items: center;
  padding: 0 16px;
  background: #f5f8fe;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
}
.mod-app:hover {
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.14);
}
.mod-app-cover {
  flex: none;
  width: 90px;
  height: 90px;
  margin-right: 12px;
  background-size: cover;
  background-position: center;
  border-radius: 4px;
  transition: transform 0.3s;
}
.mod-app:hover .mod-app-cover {
  transform: scale(1.1);
}
.mod-app-info {
  flex: 1;
  min-width: 0;
}
.mod-app-name {
  font-size: 16px;
  font-weight: bold;
  line-height: 19px;
  color: #000;
}
.mod-app-count {
  font-size: 12px;
  font-weight: normal;
  color: #999;
}
.mod-app-sub {
  display: flex;
  margin-top: 6px;
  align-items: center;
  font-size: 13px;
  line-height: 19px;
  color: #666;
}
.mod-app-sub i {
  flex: none;
  width: 4px;
  height: 4px;
  margin-right: 6px;
  border-radius: 50%;
  background: #666;
}
.mod-bottom {
  display: flex;
  margin-top: 24px;
}
.mod-compare {
  flex: 1;
  min-width: 0;
  margin-right: 20px;
}
.mod-compare-row {
  display: none;
  margin-top: 20px;
  padding: 0 20px 20px;
  justify-content: space-between;
}
.mod-compare-row.active {
  display: flex;
}
.mod-compare-card {
  position: relative;
  flex: none;
  width: 270px;
  overflow: hidden;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
  transition: transform 0.15s;
}
.mod-compare-card:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 12px rgba(60, 64, 67, 0.16);
}
.mod-compare-cover {
  position: relative;
  display: block;
  height: 270px;
  background-color: #fafafa;
  background-size: cover;
  background-position: center;
}
.mod-compare-cover p {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  height: 34px;
  width: 100%;
  align-items: center;
  justify-content: center;
  background: #4267b5;
  font-size: 14px;
  line-height: 14px;
  color: #fff;
  opacity: 0;
  transition: opacity 0.15s;
}
.mod-compare-card:hover .mod-compare-cover p {
  opacity: 1;
}
.mod-compare-body {
  display: block;
  padding: 12px;
}
.mod-compare-body > p {
  display: block;
  font-size: 14px;
  line-height: 20px;
  color: #666;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mod-compare-body > p span {
  color: #333;
}
.mod-compare-body > p.mod-compare-src {
  display: flex;
  align-items: center;
  margin-top: 8px;
}
.mod-compare-src img {
  flex: none;
  width: 16px;
  height: 16px;
  margin-right: 4px;
}
.mod-compare-src span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mod-compare-tags {
  height: 25px;
  overflow: hidden;
  margin-top: 10px;
} /* 同上：25 = .quote-tag 22 + margin-bottom 3 */
.mod-hot-compare {
  flex: none;
  width: 300px;
}
.mod-hot-body {
  margin-top: 20px;
  padding: 0 20px 20px;
}
.mod-hot-compare table {
  width: 100%;
  table-layout: fixed;
}
/* 对齐原版：td 无默认 padding（仅首列 pl-1 / 型号列 pl-2 / 尾列 pr-1） */
.mod-hot-compare td {
  height: 46px;
  padding: 0;
}
.mod-hot-compare td:first-child {
  padding-left: 4px;
}
.mod-hot-compare td:nth-child(3) {
  padding-left: 8px;
}
.mod-hot-compare td:last-child {
  padding-right: 4px;
}