@keyframes focus {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.1);
  }
}
@keyframes drilling_in {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
/* 顶部导航栏 */
.header-container {
  width: 100%;
  height: var(--header-height);
  padding: 0 var(--header-padding);
  box-sizing: border-box;
  background-color: var(--c-bg-page);
  position: relative;
  border-bottom: 1px solid #EBECF0;
}
.header-container .header-content {
  max-width: 100%;
  width: var(--content-max-width);
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
}
.header-container .header-logo {
  cursor: pointer;
  z-index: 1;
}
.header-container .header-logo .logo {
  height: var(--header-logo-height);
  object-fit: contain;
}
.header-container .nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  justify-content: flex-end;
}
.header-container .nav-container .nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  height: 100%;
  gap: var(--sp-6);
}
.header-container .nav-container .nav-list.hidden {
  visibility: hidden;
}
.header-container .nav-container .nav-item {
  cursor: pointer;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  position: relative;
  font-weight: var(--fw-regular);
  font-size: var(--fz-body);
  line-height: var(--lh-normal);
  color: var(--c-text-main);
  white-space: nowrap;
  transition: color 0.3s ease-in-out;
  /* 二级下拉菜单 */
  /* 二级下拉菜单 - 产品 */
  /* 二级下拉菜单 - 关于柏来 */
}
.header-container .nav-container .nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 3px;
  background-color: var(--c-primary);
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}
.header-container .nav-container .nav-item:hover {
  color: var(--c-primary);
}
.header-container .nav-container .nav-item.active {
  font-weight: var(--fw-semibold);
  color: var(--c-primary);
}
.header-container .nav-container .nav-item.active::after {
  opacity: 1;
}
.header-container .nav-container .nav-item.has-dropdown .nav-dropdown-full-panel {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--c-bg-page);
  border-top: 1px solid #EBECF0;
  display: flex;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease-in-out;
  z-index: 999;
  overflow: hidden;
}
.header-container .nav-container .nav-item.has-dropdown .nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  height: auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease-in-out;
  z-index: 999;
  overflow: hidden;
}
.header-container .nav-container .nav-item.has-dropdown .nav-dropdown-panel .dropdown-link {
  display: block;
  padding: var(--sp-3);
  font-size: var(--fz-body);
  font-weight: var(--fw-regular);
  color: var(--c-text-main);
  text-decoration: none;
  border-radius: var(--radius-sm);
  line-height: var(--lh-normal);
  white-space: nowrap;
  transition: all 0.2s ease-in-out;
}
.header-container .nav-container .nav-item.has-dropdown .nav-dropdown-panel .dropdown-link:hover {
  color: var(--c-primary);
  font-weight: var(--fw-medium);
  background: var(--c-primary-03);
}
.header-container .nav-container .nav-item.has-dropdown:hover .nav-dropdown-full-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header-container .nav-container .nav-item.has-dropdown:hover .nav-dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header-container .nav-container .nav-item .product-dropdown-panel {
  height: 430px;
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-sidebar {
  width: 236px;
  height: 100%;
  background: #F5F5F7;
  padding: var(--sp-6) 0;
  flex-shrink: 0;
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-sidebar .dropdown-category {
  padding: var(--sp-3) var(--sp-8);
  font-size: var(--fz-body);
  font-weight: var(--fw-regular);
  color: var(--c-text-main);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  line-height: var(--lh-normal);
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-sidebar .dropdown-category:hover,
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-sidebar .dropdown-category.active {
  color: var(--c-primary);
  font-weight: var(--fw-medium);
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content {
  flex: 1;
  padding: var(--sp-6) var(--sp-10);
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: var(--sp-8) var(--card-gap);
  overflow-y: auto;
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 10px;
  height: 10px;
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content::-webkit-scrollbar-track {
  /*滚动条内部轨道*/
  background: rgba(0, 0, 0, 0.05);
  width: 0;
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content::-webkit-scrollbar-thumb {
  /*滚动条内部滑块*/
  background: rgba(0, 0, 0, 0.1);
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content .dropdown-product {
  width: 208px;
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s ease-in-out;
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content .dropdown-product:hover {
  transform: translateY(-2px);
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content .dropdown-product img {
  width: 100%;
  height: 117px;
  object-fit: contain;
  display: block;
  margin-bottom: var(--sp-3);
}
.header-container .nav-container .nav-item .product-dropdown-panel .dropdown-content .dropdown-product span {
  font-size: var(--fz-caption);
  font-weight: var(--fw-regular);
  color: var(--c-text-sub);
  line-height: var(--lh-normal);
}
.header-container .nav-container .nav-item .about-dropdown-panel {
  height: 294px;
  justify-content: center;
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-inner {
  display: flex;
  gap: 112px;
  padding: 30px 0;
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-5);
  /* hover 下划线动效 */
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column h4,
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column a {
  position: relative;
  transition: color 0.2s ease-in-out;
  display: inline-block;
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column h4::after,
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--c-primary);
  transition: width 0.2s ease-in-out;
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column h4:hover,
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column a:hover {
  color: var(--c-primary);
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column h4:hover::after,
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column a:hover::after {
  width: 100%;
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column h4 {
  font-size: var(--fz-body);
  font-weight: var(--fw-semibold);
  color: var(--c-text-main);
  cursor: pointer;
  margin: 0;
  line-height: 1;
  white-space: nowrap;
}
.header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-column a {
  font-size: var(--fz-body);
  font-weight: var(--fw-regular);
  color: var(--c-text-sub);
  text-decoration: none;
  line-height: var(--lh-normal);
  white-space: nowrap;
}
@media (max-width: 1200px) {
  .header-container .nav-container .nav-item .about-dropdown-panel .about-dropdown-inner {
    gap: 60px;
  }
}
.header-container .nav-dropdown-target {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: var(--header-padding);
  width: 24px;
  height: 24px;
  cursor: pointer;
}
.header-container .nav-dropdown-target.hidden {
  visibility: hidden;
}
.header-container .nav-dropdown-target .line {
  width: 18px;
  height: 2px;
  background-color: var(--c-black);
  position: absolute;
  left: 3px;
  opacity: 1;
  transform-origin: left center;
  transition: all 0.8s ease-in-out;
}
.header-container .nav-dropdown-target .line1 {
  top: 6px;
}
.header-container .nav-dropdown-target .line3 {
  bottom: 6px;
}
.header-container .nav-dropdown-target .line2 {
  top: 11px;
  width: 10px;
}
.header-container .nav-dropdown-target.expan {
  --d: 4.75px;
}
.header-container .nav-dropdown-target.expan .line {
  left: var(--d);
}
.header-container .nav-dropdown-target.expan .line1 {
  top: var(--d);
  transform: rotate(45deg);
}
.header-container .nav-dropdown-target.expan .line3 {
  bottom: var(--d);
  transform: rotate(-45deg);
}
.header-container .nav-dropdown-target.expan .line2 {
  width: 0;
  left: 18px;
  opacity: 0;
}
/* 移动端导航下拉菜单 */
.nav-dropdown-container {
  z-index: 9999;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--c-bg-page);
  transition: all 0.8s ease-in-out;
  opacity: 1;
  position: fixed;
  top: var(--header-height);
  left: 0;
  overflow: hidden;
}
.nav-dropdown-container.hidden {
  height: 0;
  opacity: 0;
}
.nav-dropdown-container .nav-dropdown-content {
  padding: 20px 0 56px;
  height: 100%;
  box-sizing: border-box;
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list {
  height: calc(100% - 80px);
  overflow-y: auto;
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 10px;
  height: 10px;
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list::-webkit-scrollbar-track {
  /*滚动条内部轨道*/
  background: rgba(0, 0, 0, 0.05);
  width: 0;
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list::-webkit-scrollbar-thumb {
  /*滚动条内部滑块*/
  background: rgba(0, 0, 0, 0.1);
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list .nav-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 46px;
  padding: 0 var(--sp-6);
  border-bottom: 1px solid var(--c-bg-section-alt);
  color: var(--c-text-main);
  font-size: var(--fz-h3);
  position: relative;
  cursor: pointer;
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list .nav-item .icon {
  width: 20px;
  height: 20px;
  line-height: 20px;
  font-size: var(--fz-body);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  color: var(--c-text-sub);
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list .nav-item:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--c-black);
  transition: width 80ms ease-in-out;
}
.nav-dropdown-container .nav-dropdown-content .nav-dropdown-list .nav-item:active:after {
  width: 100%;
}