.ys-header {
  height: 72px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: #fff;
}
.ys-header.is-home {
  position: fixed;
}
.ys-header.is-home:not(.is-sticky) {
  background-color: transparent;
}
.ys-header.is-solution-showcase {
  position: fixed;
  transform: translateY(0);
}
body.solution-showcase-tabs-stuck .ys-header.is-solution-showcase {
  transform: translateY(-100%);
  pointer-events: none;
}
.ys-header.is-solution-showcase:not(.is-sticky),
body.solution-showcase-at-top .ys-header.is-solution-showcase {
  background-color: transparent;
}
.ys-header .ys-header-nav {
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 3vw, 64px);
  background-color: #fff;
  position: relative;
  z-index: 20;
  box-shadow: 0 15px 10px -15px #0000000f;
  transition: background-color 0.3s, box-shadow 0.3s;
}
.ys-header__logo {
  height: 72px;
  object-fit: contain;
  transition: opacity 0.3s;
}
.ys-header.is-home:not(.is-sticky) .ys-header-nav {
  background-color: transparent;
  box-shadow: none;
}
.ys-header.is-solution-showcase:not(.is-sticky) .ys-header-nav,
body.solution-showcase-at-top .ys-header.is-solution-showcase .ys-header-nav {
  background-color: transparent;
  box-shadow: none;
}
.ys-header.is-sticky .ys-header-nav {
  background-color: #fff;
  box-shadow: 0 15px 10px -15px #0000000f;
}

.ys-header__nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  flex: 1;
  height: 100%;
  transition: max-width 0.3s, opacity 0.3s;
  max-width: min(58vw, 880px);
  margin: 0 clamp(16px, 2vw, 48px);
  gap: clamp(20px, 1.5vw, 36px);
  white-space: nowrap; /* Prevent text wrapping inside nav */
}
.ys-header__nav.display-none {
  opacity: 0;
  pointer-events: none;
}
.ys-header__nav .nav-item.relative {
  position: static; /* Change to static so full-width dropdowns can position correctly */
}
.ys-header__nav .nav-one {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 clamp(8px, 0.7vw, 16px);
  font-size: clamp(15px, 0.82vw, 16px);
  font-weight: 500;
  color: var(--ys-color-text-000);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap; /* Ensure individual items never wrap */
}
.ys-header__nav .nav-item:hover .nav-one {
  color: var(--ys-color-primary);
}
.ys-header__nav .nav-one .icon-short-arrow {
  display: inline-block;
  position: relative;
  left: 2px;
  transform: rotate(90deg);
  transition: transform 0.2s;
  color: var(--ys-color-text-300);
  font-weight: 400;
}
.ys-header__nav .nav-item:hover .nav-one .icon-short-arrow {
  transform: rotate(-90deg);
}

.ys-header__nav .nav-two {
  font-size: 14px;
  color: var(--ys-color-text-000);
  text-decoration: none;
}
.ys-header__nav .nav-two:hover {
  color: var(--ys-color-primary);
}

/* search start */
.ys-header__right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  min-width: 200px;
}
.ys-header__right.open {
  flex: 1;
  position: relative;
  z-index: 21;
}
.ys-header__right.open .ys-header__lang-dropdown,
.ys-header__right.open .ys-header__contact-btn,
.ys-header__right.open .ys-header__search-icon {
  display: none;
}
.ys-header__search {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  width: 0;
  height: 44px;
  padding: 0;
  opacity: 0;
  overflow: hidden;
  background-color: #fff;
  border: 0;
  border-radius: 4px;
  transition: all 0.2s;
  transform-origin: right;
  z-index: 22;
}
.ys-header__right.open .ys-header__search {
  width: 100%;
  padding: 0;
  border: none;
  opacity: 1;
  background-color: #f5f5f5;
  height: 44px;
}
.ys-header__right.open .ys-header__search::after {
  display: none;
}
.ys-header__right.open .ys-header__search .ys-header__search-input {
  width: calc(100% - 44px);
  height: 44px;
  line-height: 44px;
  padding: 0 20px;
  background-color: transparent;
  box-sizing: border-box;
  text-align: center;
}
.ys-header__right.open .ys-header__search .search-btn {
  width: 44px;
  height: 44px;
  top: 0;
  right: 0;
  background-color: var(--ys-color-primary, #2b37b3);
  border-radius: 0 4px 4px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ys-header__right.open .ys-header__search .search-btn .icon-search {
  color: #fff;
  font-size: 20px;
}
.ys-header__search::after {
  content: '';
  position: absolute;
  height: 16px;
  left: 12px;
  top: 13px;
  width: 1px;
  background-color: var(--ys-color-text-000);
  animation: flashing 0.8s infinite;
}
.ys-header__search .ys-header__search-input {
  width: calc(100% - 46px);
  height: 16px;
  color: var(--ys-color-text-000);
  caret-color: var(--ys-color-primary);
  border: none;
  outline: none;
}
.ys-header__search:focus-within {
  border-color: var(--ys-color-primary);
}
.ys-header__search:focus-within::after {
  display: none;
}
.ys-header__search .ys-header__search-input::placeholder {
  color: var(--ys-color-text-500);
}
.ys-header__search .search-btn {
  width: 26px;
  padding: 0;
  position: absolute;
  top: 8px;
  right: 10px;
  background-color: #fff;
  border: none;
  outline: none;
  cursor: pointer;
  transition: transform 0.2s;
}
.ys-header__search .search-btn .icon-search {
  display: inline-block;
  font-size: 24px;
  color: var(--ys-color-text-000);
  transition: transform 0.2s;
}
.ys-header__search .search-btn:hover .icon-search {
  color: var(--ys-color-primary);
  transform: scale(1.1);
}
@keyframes flashing {
  0% { opacity: 1; }
  40% { opacity: 0; }
  100% { opacity: 1; }
}
.ys-header__search-icon, .ys-header__lang-trigger {
  color: var(--ys-color-text-000);
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 14px;
}

.ys-header__lang-dropdown {
  position: relative;
  display: inline-block;
}

.ys-header__lang-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 15px;
  background: transparent;
}

.ys-header__lang-menu {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  background-color: #fff;
  min-width: 150px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: 8px 0;
  display: none;
  z-index: 100;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
}

.ys-header__lang-dropdown:hover .ys-header__lang-menu {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.ys-header__lang-menu .lang-item {
  display: block;
  padding: 10px 20px;
  color: var(--ys-color-text-000);
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.2s, color 0.2s;
}

.ys-header__lang-menu .lang-item:hover:not(.disabled) {
  background-color: #f5f5f5;
  color: var(--ys-color-primary);
}

.ys-header__lang-menu .lang-item.active {
  color: var(--ys-color-primary);
}

.ys-header__lang-menu .lang-item.disabled {
  color: #ccc;
  cursor: not-allowed;
}

.ys-header__lang-menu .lang-divider {
  height: 1px;
  background-color: #eee;
  margin: 8px 0;
}
.ys-header__contact-btn {
  background-color: #2b37b3;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  font-size: 14px;
  border-radius: 2px;
  transition: background-color 0.3s;
}
.ys-header__contact-btn:hover {
  background-color: #1e268a;
}
/* 透明状态下的文字颜色与Logo颜色 (仅首页有效) */
.ys-header.is-home:not(.is-sticky) .nav-one,
.ys-header.is-home:not(.is-sticky) .ys-header__search-icon,
.ys-header.is-home:not(.is-sticky) .ys-header__lang-trigger,
.ys-header.is-home:not(.is-sticky) .icon-menu {
  color: #fff;
}
.ys-header.is-solution-showcase:not(.is-sticky) .nav-one,
.ys-header.is-solution-showcase:not(.is-sticky) .ys-header__search-icon,
.ys-header.is-solution-showcase:not(.is-sticky) .ys-header__lang-trigger,
.ys-header.is-solution-showcase:not(.is-sticky) .icon-menu,
body.solution-showcase-at-top .ys-header.is-solution-showcase .nav-one,
body.solution-showcase-at-top .ys-header.is-solution-showcase .ys-header__search-icon,
body.solution-showcase-at-top .ys-header.is-solution-showcase .ys-header__lang-trigger,
body.solution-showcase-at-top .ys-header.is-solution-showcase .icon-menu {
  color: #fff;
}
.ys-header.is-home:not(.is-sticky) .nav-one .icon-short-arrow {
  color: rgba(255, 255, 255, 0.8);
}
.ys-header.is-solution-showcase:not(.is-sticky) .nav-one .icon-short-arrow,
body.solution-showcase-at-top .ys-header.is-solution-showcase .nav-one .icon-short-arrow {
  color: rgba(255, 255, 255, 0.8);
}
.ys-header.is-home:not(.is-sticky) .ys-header__logo {
  filter: brightness(0) invert(1);
}
.ys-header.is-solution-showcase:not(.is-sticky) .ys-header__logo,
body.solution-showcase-at-top .ys-header.is-solution-showcase .ys-header__logo {
  filter: brightness(0) invert(1);
}
body.solution-showcase-at-top .ys-header.is-solution-showcase .ys-header__contact-btn,
.ys-header.is-solution-showcase:not(.is-sticky) .ys-header__contact-btn {
  background-color: #fff;
  color: var(--ys-color-text-000);
}
body.solution-showcase-at-top .ys-header.is-solution-showcase .ys-header__contact-btn:hover,
.ys-header.is-solution-showcase:not(.is-sticky) .ys-header__contact-btn:hover {
  background-color: rgba(255, 255, 255, 0.9);
}
.ys-header__logo.display-none {
  opacity: 0;
  pointer-events: none;
}

/* user start */
.ys-header__user {
  margin-left: 30px;
  position: relative;
  height: 40px;
  padding-top: 3px;
  box-sizing: border-box;
}
.ys-header__user > a > i {
  font-size: 24px;
  cursor: pointer;
  color: var(--ys-color-text-000);
}
.ys-header__user .ys-header__user-card {
  position: absolute;
  top: 40px;
  right: -10px;
  padding: 16px;
  background-color: var(--ys-color-white);
  z-index: 20;
  border-radius: 2px;
  box-shadow: 0px 4px 14px 0px #0000001a;
  border: 1px solid var(--ys-color-text-700);
  transition: all 0.2s;
  transform-origin: top;
  transform: scaleY(0);
}
.ys-header__user:hover .ys-header__user-card {
  transform: scaleY(1);
}
.ys-header__user .ys-header__user-card button {
  height: 32px;
  line-height: 32px;
  margin-bottom: 12px;
  width: 100px;
  font-size: 12px;
  padding: 0;
}
.ys-header__user .ys-header__user-card button a {
  color: unset;
  text-decoration: none;
  display: block;
}
.ys-header__user .ys-header__user-card button:last-child {
  margin-bottom: 0;
}
/* user end */

/* 悬停卡片 start */
.ys-header__card {
  position: fixed;
  z-index: 18;
  left: 0;
  right: 0;
  top: var(--ys-header-height, 72px);
  background-color: var(--ys-color-white);
  transition: transform .2s ease-in-out;
  transform-origin: top;
  transform: scaleY(0);
  max-height: 82vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 40px;
  box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.1) inset;
  border-top: 0.5px solid var(--ys-color-text-700);
  border-bottom: 1px solid var(--ys-color-text-700);
  transition-delay: 150ms;
}
.ys-header__card.active,
.ys-header__card.show {
  transform: scaleY(1);
}
.ys-header__image-dropdown {
  padding: 0;
  overflow-x: auto;
}
.header-solution-grid,
.header-investor-grid {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 40px clamp(40px, 4vw, 72px);
}
.header-solution-grid {
  gap: 20px;
  width: max-content;
  max-width: 1280px;
  padding: 40px 40px;
}
.header-investor-grid {
  gap: clamp(20px, 2vw, 40px);
  width: min(100%, 1280px);
  min-width: 0;
}
.header-solution-item,
.header-investor-item {
  text-align: left;
  text-decoration: none;
  color: #333;
}
.header-solution-item {
  flex: 0 0 224px;
  width: 224px;
}
.header-investor-item {
  flex: 1 1 0;
  min-width: 0;
  max-width: 350px;
}
.header-solution-thumb,
.header-investor-thumb {
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 15px;
}
.header-solution-thumb {
  height: 191px;
}
.header-investor-thumb {
  height: 220px;
}
.header-dropdown-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.3s;
}
.header-solution-item:hover .header-dropdown-image,
.header-investor-item:hover .header-dropdown-image {
  transform: scale(1.04);
}
.header-solution-name,
.header-investor-name {
  color: #333;
  font-weight: bold;
  font-size: 16px;
}
.header-solution-name {
  margin-bottom: 8px;
}
.header-solution-desc {
  color: #999;
  font-size: 14px;
  line-height: 1.5;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ys-header__cover {
  position: fixed;
  z-index: 17;
  left: 0;
  right: 0;
  top: var(--ys-header-height, 72px);
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  transition-delay: 100ms;
}
/* 悬停卡片 end */



/* 解决方案 start */
.ys-header__card.ys-header__case {
  padding: 40px 52px;
}
.ys-header__case {
  background-color: #f3f5f8;
}
.ys-header .nav-solution-title {
  text-decoration: none;
  display: inline-block;
  margin-bottom: 18px;
  font-weight: 700;
  color: var(--ys-color-text-000);
}
.ys-header .nav-solution__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ys-header .nav-solution__item {
  display: flex;
  align-items: center;
  flex-wrap: wrap; /* 允许子项过多时自动换行 */
}

.ys-header .nav-solution__list:not(.nav-solution__list--child) > .nav-solution__item {
  margin-bottom: 12px; 
}

.ys-header .nav-solution__list--child {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-left: 0;
}

.ys-header .nav-solution__link {
  display: inline-block;
  line-height: 24px;
  padding: 6px 10px;
  text-decoration: none;
  color: var(--ys-color-text-000);
}

/* 仅第一级保留左侧的提示性竖线 */
.ys-header .nav-solution__list:not(.nav-solution__list--child) > .nav-solution__item > .nav-solution__link {
  border-left: 1px solid var(--ys-color-text-500);
}

.ys-header .nav-solution__list--child .nav-solution__link {
  border-left: none;
  padding: 6px 5px;
}

.ys-header .nav-solution__list--child .nav-solution__item::before {
  content: "——";
  color: var(--ys-color-text-300);
  margin: 0 4px; /* 控制 "-" 两侧的间距 */
}

.ys-header .nav-solution__link:hover {
  color: var(--ys-color-primary);
}
/* 解决方案 end */

/* 产品弹窗 start */
.ys-header__card.ys-header__product {
  position: absolute;
  left: 0;
  right: auto;
  width: auto;
  padding: 0;
  background-color: initial;
  overflow: initial;
}
.ys-header__product a {
  display: block;
  text-decoration: none;
  line-height: normal;
}
.ys-header__product .product-wrap {
  background-color: #fbfbfb;
  max-height: 500px;
  overflow-y: auto;
  box-shadow: -1px 1px 10px rgba(51, 51, 51, 0.2);
}
.ys-header__product .product-wrap::-webkit-scrollbar,
.ys-header__product .product-child::-webkit-scrollbar {
  width: 7px;
  height: 7px;
  background-color: var(--ys-color-background-100);
}
.ys-header__product .product-wrap::-webkit-scrollbar-thumb,
.ys-header__product .product-child::-webkit-scrollbar-thumb {
  border-radius: 5px;
  background-color: #C1C1C1;
}
.ys-header__product .to-product {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: var(--ys-color-text-000);
  margin-bottom: 20px;
}
.ys-header__product .to-product i {
  transform: rotate(0deg) !important;
  display: block;
  font-size: 18px;
}
.ys-header__product .to-product:hover,
.ys-header__product .product-item:hover .product-title {
  color: var(--ys-color-primary);
}
.ys-header__product .product-img {
  width: 140px;
  height: 140px;
  margin: auto;
  background: unset;
}
.ys-header__product .product-img img {
  object-fit: contain;
}
.ys-header__product .product-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0;
  padding: 8px 0;
  font-size: 14px;
  display: inline-block;
  color: var(--ys-color-text-000);
}
.ys-header__product .product-item {
  position: relative;
  width: 180px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ys-header__product .product-item.active {
  background-color: var(--ys-color-primary);
}
.ys-header__product .product-item.active .product-title {
  color: var(--ys-color-white);
}
.ys-header__product .product-item.active .iconfont {
  color: var(--ys-color-white);
}
.ys-header__product .product-item .iconfont {
  color: var(--ys-color-text-000);
}
.ys-header__product .product-child {
  position: absolute;
  top: 0;
  left: 100%;
  width: 500px;
  height: 100%;
  min-height: 100%;
  padding: 8px 10px;
  margin: 0;
  font-size: 14px;
  list-style: none;
  background-color: var(--ys-color-white);
  overflow-y: auto;
  box-shadow: 6px 1px 10px rgba(51,51,51,.2);

  display: flex;
  align-items: center;
  align-content: flex-start;
  flex-wrap: wrap;
}
.ys-header__product .product-child__item {
  line-height: normal;
  padding: 0;
  margin: 10px;
}
.ys-header__product .product-child__link {
  color: var(--ys-color-text-000);
}
.ys-header__product .product-child__link:hover {
  color: var(--ys-color-primary);
}
/* 产品弹窗 end */

/* mega menu product start */
.ys-header__mega {
  padding: 0;
  overflow-x: hidden;
}
.mega-menu-container {
  width: min(100%, 1840px);
  min-width: 0;
  max-width: 1840px;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 clamp(24px, 3vw, 64px);
}
.mega-menu-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 clamp(18px, 1.4vw, 26px);
  border-bottom: 1px solid #eee;
}
.all-products-link {
  color: #666;
  font-size: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.all-products-link:hover {
  color: var(--ys-color-primary);
}
.close-mega-menu {
  cursor: pointer;
  color: #999;
  font-size: 20px;
}
.mega-menu-content {
  display: flex;
  padding: clamp(24px, 2.4vw, 44px) 0;
}
.mega-sidebar {
  flex: 0 0 clamp(180px, 12vw, 240px);
  border-right: 1px solid #eee;
  padding-right: clamp(18px, 1.6vw, 32px);
}
.mega-sidebar-item {
  padding: clamp(12px, 1vw, 18px) 0;
  font-size: clamp(15px, 0.82vw, 16px);
  color: #666;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mega-sidebar-item.active {
  color: var(--ys-color-primary);
  font-weight: bold;
}
.mega-sidebar-item .icon-short-arrow {
  transform: rotate(-90deg);
  font-size: 12px;
  opacity: 0;
}
.mega-sidebar-item.active .icon-short-arrow {
  opacity: 1;
}
.mega-panels {
  flex: 1;
  padding-left: clamp(28px, 2.8vw, 56px);
}
.mega-panel {
  display: none;
}
.mega-panel.active {
  display: block;
}
.mega-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(190px, 12vw, 240px), 1fr));
  gap: clamp(16px, 1.3vw, 28px);
}
.mega-grid-item {
  min-height: clamp(78px, 5vw, 96px);
  display: flex;
  align-items: center;
  gap: clamp(12px, 1vw, 22px);
  background: #f9f9f9;
  padding: clamp(12px, 1vw, 18px);
  border-radius: 4px;
  text-decoration: none;
  color: #333;
  transition: all 0.3s;
}
.mega-grid-item:hover {
  background: #f0f0f0;
  color: var(--ys-color-primary);
}
.mega-grid-item__image {
  flex: 0 0 clamp(58px, 4vw, 78px);
  width: clamp(58px, 4vw, 78px);
  height: clamp(44px, 3.2vw, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mega-grid-item__image img {
  max-width: 100%;
  max-height: 100%;
  display: block;
  object-fit: contain;
}
.mega-grid-item__name {
  font-size: clamp(13px, 0.78vw, 16px);
  line-height: 1.5;
  min-width: 0;
}
/* mega menu product end */

/* 内容与服务 start */
.ys-header__service {
  display: flex;
  padding: 0;
}
.ys-header__service .service-cate {
  background-color: #f3f5f8;
  padding: 30px 40px;
  width: 200px;
  box-sizing: border-box;
  margin: 0;
}
.ys-header__service .service-cate li {
  list-style: none;
}
.ys-header__service .service-cate .service-cate-title {
  font-weight: 18px;
  font-weight: 500;
  margin-bottom: 30px;
  color: var(--ys-color-text-000);
}
.ys-header__service .service-cate .service-cate-item {
  margin-bottom: 30px;
  font-size: 14px;
  cursor: pointer;
  color: var(--ys-color-text-100);
}
.ys-header__service .service-cate .service-cate-item a {
  color: var(--ys-color-text-100);
  text-decoration: none;
}
.ys-header__service .service-cate .service-cate-item:hover a,
.ys-header__service .service-cate .service-cate-item:hover,
.ys-header__service .service-cate .service-cate-item.active,
.ys-header__service .service-cate .service-cate-item.active a {
  color: var(--ys-color-primary);
}
.ys-header__service .service-content {
  padding: 40px;
  overflow-y: auto;
}
.ys-header__service .service-content-box {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 40px;
}
.ys-header__service .content-item {
  width: 180px;
  text-decoration: none;
  display: block;
}
.ys-header__service .content-item[data-type="information"] {
  width: 193px;
}
.ys-header__service .content-item[data-type="information"] .content-img {
  height: 118px;
}
.ys-header__service .content-item[data-type='sample'],
.ys-header__service .content-item[data-type='quote'] {
  width: 230px;
}
.ys-header__service .content-item[data-type='sample'] .content-img,
.ys-header__service .content-item[data-type='quote'] .content-img {
  height: 140px;
}
.ys-header__service .content-item:hover img {
  transform: scale(1.1);
}
.ys-header__service .content-item:hover .content-title {
  color: var(--ys-color-primary);
}
.ys-header__service .content-item .content-img {
  display: block;
  width: 100%;
  height: 180px;
  margin-bottom: 20px;
}
.ys-header__service .content-item .content-title {
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ys-color-text-000);
}
.ys-header__service .content-item .content-desc {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--ys-color-text-300);
  margin-top: 6px;
}
.ys-header__service .service-content-slide {
  height: 1px;
  background-color: var(--ys-color-text-700);
  margin: 30px 0 20px;
}
.ys-header__service .service-content-more {
  color: var(--ys-color-primary);
  font-size: 14px;
  text-decoration: none;
}
.ys-header__service .service-content-more i {
  transform: rotate(0deg) translateY(1px) !important;
  margin-left: 0px;
}
/* 内容与服务 end */

/* 公用 start */
.ys-header__common {
  display: flex;
  padding: 0;
  overflow-x: auto;
}
.ys-header__common a {
  text-decoration: none;
  color: var(--ys-color-text-000);
}
.ys-header__common.ys-header__card {
  background: transparent;
}
.ys-header__common .header-common__title {
  font-weight: 600;
}
.ys-header__common .header-common__title::after {
  content: '|';
  padding-left: 22px;
  color: rgba(0, 0, 0, 0.2);
}
.ys-header__common .common-content {
  display: flex;
  align-items: center;
  justify-content: center;
}
.ys-header__common .common-content {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(30px);
  width: 100%;
  min-width: 760px;
  height: clamp(56px, 3.5vw, 68px);
}
.ys-header__common .header-common__list {
  list-style: none;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}
.ys-header__common .header-common__item {
  margin: 0 clamp(14px, 1.2vw, 28px);
  font-size: clamp(15px, 0.82vw, 16px);
}
.ys-header__common .header-common__item.active,
.ys-header__common .header-common__item:hover {
  color: var(--ys-color-primary);
}
.display-none {
  display: none !important;
}
/* 公用 end */

/* 抽屉 start */
.ys-header__menu,
.ys-header-menu,
.ys-header.is-show-mobile-search .ys-header-search--mobile,
.ys-header .header-menu__second {
  display: none;
}
/* 抽屉 end */

@media only screen and (max-height: 600px) {
  .ys-header__product .product-wrap {
    max-height: 82vh;
  }
}

@media only screen and (max-width: 1895px) {
  /* 解决方案 start */
  .ys-header__case .case-item{
    width: calc(16% - 40px);
  }
  /* 解决方案 end */
}

@media only screen and (max-width: 1500px) {
  .ys-header__nav {
    max-width: min(58vw, 760px);
  }
}

@media only screen and (max-width: 1440px) {
  /* 解决方案 start */
  .ys-header__case {
    /* gap: 20px; */
    margin: 0 -10px;
  }
  .ys-header__case .case-item{
    margin: 0 10px 10px;
    width: calc(16.66% - 20px);
  }
  /* 解决方案 end */

  /* 内容与服务 start */
  .ys-header__service .service-content {
    width: calc(100% - 200px);
  }
  .ys-header__service .service-content-box {
    gap: 20px;
  }
  .ys-header__service .content-item {
    width: 100%;
  }
  .ys-header__service .content-item[data-type="information"] {
    width: 100%;
  }
  /* 内容与服务 end */
}

@media only screen and (max-width: 1280px) {
  .ys-header__nav {
    max-width: min(60vw, 680px);
    gap: clamp(18px, 1.4vw, 20px);
  }
  .ys-header__nav .nav-one {
    font-size: 15px;
  }
}

@media only screen and (max-width: 1200px) and (min-width: 1000px) {
  .ys-header__image-dropdown {
    overflow-x: hidden !important;
  }
  .header-solution-grid {
    width: 100% !important;
    max-width: 100% !important;
    gap: 12px !important;
    padding: 36px 24px !important;
  }
  .header-solution-item {
    flex: 0 1 calc((100vw - 96px) / 5) !important;
    width: calc((100vw - 96px) / 5) !important;
  }
}

@media only screen and (max-width: 999px) and (min-width: 900px) {
  .ys-header .ys-header-nav {
    justify-content: space-between !important;
  }
  .ys-header__nav {
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    flex: 0 0 auto !important;
    width: auto !important;
    max-width: none !important;
    margin: 0 !important;
    gap: 16px !important;
  }
  .ys-header__image-dropdown {
    overflow-x: hidden !important;
  }
  .header-solution-grid {
    width: 100% !important;
    max-width: 100% !important;
    gap: 8px !important;
    padding: 32px 16px !important;
  }
  .header-solution-item {
    flex: 0 1 calc((100vw - 64px) / 5) !important;
    width: calc((100vw - 64px) / 5) !important;
  }
  .header-solution-name {
    font-size: 15px !important;
  }
  .header-solution-desc {
    font-size: 13px !important;
  }
}

@media only screen and (max-width: 1100px) {
  .ys-header .ys-header-nav {
    padding: 0 20px;
  }
  .ys-header__nav {
    margin: 0 14px;
    gap: 16px;
  }
  .ys-header__nav .nav-one {
    font-size: 15px;
    padding: 0 6px;
  }
  .ys-header__right {
    gap: 10px;
    min-width: 150px;
  }
  .ys-header__user {
    margin-left: 10px;
  }
  .ys-header__service .service-content-box {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media only screen and (max-width: 992px) {
  .ys-header__nav {
    min-width: auto;
    max-width: 64vw;
    margin: 0 12px;
    gap: 14px;
  }
  .ys-header__nav .nav-one {
    font-size: 15px;
    padding: 0 5px;
  }
  .ys-header__right {
    gap: 10px;
    min-width: 120px;
  }
  .ys-header__call a {
    font-size: 13px;
    padding: 0 5px 0 3px;
  }
  .ys-header__search {
    width: 140px;
  }
  .ys-header__search .ys-header__search-input::placeholder {
    font-size: 12px;
  }
  .ys-header__user {
    margin-left: 10px;
  }
  .ys-header__product .product-child {
    width: 400px;
  }
}

@media only screen and (max-width: 850px) {
  .ys-header__card.ys-header__product {
    left: -40px;
  }
}

@media only screen and (max-width: 768px) {
  .ys-header__call,
  .ys-header-shortcut,
  .ys-header__search,
  .ys-header__nav {
    display: none;
  }
  .ys-header-menu,
  .ys-header__menu,
  .ys-header-search--mobile {
    display: block;
  }
  /* 抽屉 start */
  .ys-header__menu {
    min-width: 59px;
  }
  .ys-header__menu .iconfont {
    font-size: 24px;
    cursor: pointer;
    color: var(--ys-color-text-000);
  }
  .ys-header-menu {
    position: fixed;
    z-index: 102;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background-color: var(--ys-color-white);
    transform: translateX(-260px);
    transition: 0.3s;
  }
  .ys-header-menu.show {
    transform: translateX(0);
  }
  .ys-header-menu.show + .ys-header__cover {
    z-index: 101;
  }
  .ys-header-menu .header-menu-close {
    height: var(--ys-header-height);
    line-height: var(--ys-header-height);
    padding-left: var(--ys-page-padding);
  }
  .ys-header-menu .header-menu-close .iconfont {
    font-size: 16px;
    color: var(--ys-color-text-000);
  }
  .ys-header-menu .header-menu-list {
    padding-top: 18px;
    height: calc(94% - 115px);
    overflow-y: auto;
  }
  .ys-header-menu .header-menu-list > div {
    border-bottom: 1px solid var(--ys-color-background-100);
  }
  .ys-header-menu .header-menu__link {
    text-decoration: none;
    color: var(--ys-color-text-000);
    margin-left: 40px;
    height: 62px;
    line-height: 62px;
  }
  .ys-header-menu .header-menu-other {
    position: absolute;
    width: 100%;
    bottom: 6%;
    text-align: center;
  }
  .ys-header-menu .header-menu__tel {
    color: var(--ys-color-text-100);
    font-size: 14px;
  }
  .ys-header-menu .header-menu__tel a {
    text-decoration: none;
    color: var(--ys-color-strong);
    font-size: 14px;
    font-weight: bold;
  }
  .ys-header__right {
    transition: 0.3s;
  }
  .ys-header.is-show-mobile-search .ys-header__logo {
    display: none;
  }
  .ys-header__right.open .ys-header__search {
    width: 100%;
  }
  
  .ys-header .header-menu__button,
  .ys-header .header-menu__more {
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .ys-header .header-menu__button .header-menu__link,
  .ys-header .header-menu__more .header-menu__link {
    margin: 0;
  }
  .ys-header .header-menu__list {
    display: none;
    list-style: none;
    margin: 0 60px;
    padding: 0;
  }
  .ys-header .header-menu__item {
    display: block;
    text-decoration: none;
    color: var(--ys-color-text-000);
    margin-bottom: 15px;
  }
  .ys-header .header-menu__item:hover {
    color: var(--ys-color-primary);
  }
  /* 抽屉 end */

  /* 抽屉二级菜单 start */
  .ys-header .header-menu__second {
    display: block;
    transform: translateX(-100vw);
    position: fixed;
    z-index: 1;
    width: 100vw;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-color: var(--ys-color-white);
    transition: 0.3s;
  }
  .ys-header .header-menu__second.active {
    transform: translateX(0);
  }
  .ys-header .header-menu__second .header-menu-close {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--ys-page-padding) 0 10px;
    border-bottom: 1px solid var(--ys-color-text-700);
  }
  .ys-header .header-second__head .icon-short-arrow {
    font-size: 28px;
    display: block;
    transform: rotate(180deg);
  }
  .ys-header .header-second-back {
    display: flex;
    align-items: center;
    cursor: pointer;
  }
  .ys-header .header-second__content {
    padding: 20px var(--ys-page-padding) 0;
    height: calc(100% - var(--ys-header-height));
    overflow-y: auto;
  }
  .ys-header .header-menu__second .header-menu__more {
    padding: 0;
    justify-content: flex-start;
  }
  .ys-header .header-menu__second .header-menu__link {
    height: auto;
    line-height: normal;
    padding: 20px 10px;
    cursor: pointer;
  }
  .ys-header .header-second__item {
    border-bottom: 1px solid var(--ys-color-background-100);
  }
  /* 抽屉二级菜单 end */
}

@media only screen and (max-width: 540px) {
  .ys-header__user {
    margin-left: 5px;
  }
}

@media only screen and (max-width: 340px) {
  .ys-header__menu {
    min-width: auto;
  }
}
/* Reset & Core variables for this module */
.yl-solution-module {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #333;
    background-color: #f8fbff;
    line-height: 1.6;
}

.yl-solution-module * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.yl-container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.yl-section-title {
    text-align: center;
    font-size: 36px;
    color: #222;
    margin-bottom: 50px;
    font-weight: 700;
}

/* ================= Hero Section ================= */
.yl-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0;
    text-align: center;
    color: #fff;
    background-color: #0b1120;
}

/* Fallback gradient overlay if bg image is too bright */
.yl-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(8, 20, 48, 0.4) 0%, rgba(13, 33, 80, 0.2) 100%);
    z-index: 1;
}

.yl-hero .yl-container {
    position: relative;
    z-index: 2;
}

.yl-hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.yl-hero-subtitle {
    font-size: 18px;
    margin-bottom: 50px;
    opacity: 0.9;
}

.yl-hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.yl-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}

.yl-feature-item:hover {
    transform: translateY(-5px);
}

.yl-feature-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.yl-feature-item:hover .yl-feature-icon-wrapper {
    border-color: #3B3CCF;
    background: rgba(59, 130, 246, 0.2);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

/* CSS icons for the 4 circular icons using pseudo-elements */
.yl-icon-ocp::before { content: 'OCP'; font-weight: bold; font-size: 20px; color: #fff; }
.yl-icon-custom::before { content: '⛭'; font-size: 32px; color: #fff; }
.yl-icon-capacity::before { content: '100K+'; font-weight: bold; font-size: 18px; color: #fff; }
.yl-icon-leakage::before { content: '⛨'; font-size: 32px; color: #fff; }

.yl-feature-text p {
    font-size: 16px;
    font-weight: 500;
}

.yl-feature-sub {
    font-size: 12px;
    opacity: 0.7;
}

.yl-hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(90deg, #3B3CCF, #3B3CCF);
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    border-radius: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.yl-hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
    background: linear-gradient(90deg, #3B3CCF, #3B3CCF);
}


/* ================= 解决方案 (Solutions) ================= */
.yl-solutions {
    padding: 80px 0;
    background-color: #fff;
}

.yl-solution-wrapper {
    display: flex;
    gap: 20px;
    background: transparent;
    align-items: stretch;
}

.yl-solution-tabs {
    width: 220px;
    background-color: #1a2235; /* dark blue */
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.yl-tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #a0aec0;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    min-height: 168px;
    padding: 24px 16px;
}

.yl-tab-item:last-child {
    border-bottom: none;
}

.yl-tab-item.active, .yl-tab-item:hover {
    background-color: #3B3CCF;
    color: #fff;
}

.yl-tab-item.active {
    border-left: none;
}

.yl-tab-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 10px;
}

.yl-tab-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0.7);
    transition: filter 0.3s ease;
}

.yl-tab-item.active .yl-tab-icon img,
.yl-tab-item:hover .yl-tab-icon img {
    filter: brightness(1);
}

.yl-solution-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    color: #fff;
    position: relative;
    overflow: hidden;
    min-height: 560px;
    background: #081425;
}

.yl-solution-left {
    grid-area: 1 / 1;
    position: relative;
    width: min(560px, calc(100% - 96px));
    padding: 56px 0 0 56px;
    z-index: 2;
    background: none;
    align-self: start;
    justify-self: start;
}

.yl-solution-panel {
    display: none;
    animation: yl-fade-in 0.5s ease-in-out;
}

.yl-solution-panel.active {
    display: block;
    width: 100%;
}

.yl-panel-title {
    font-size: clamp(24px, 2vw, 32px);
    font-weight: 600;
    margin-bottom: 25px;
    color: #e2e8f0;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.yl-panel-list {
    list-style: none;
    display: grid;
    gap: 16px;
}

.yl-panel-list li {
    position: relative;
    padding-left: 0;
    margin-bottom: 0;
    font-size: clamp(16px, 1.1vw, 18px);
    color: #cbd5e1;
    line-height: 1.8;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.yl-panel-list li::before {
    display: none;
}

.yl-solution-image {
    grid-area: 1 / 1;
    width: 100%;
    min-height: 100%;
    position: relative;
}

.yl-solution-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(6, 18, 34, 0.76) 0%, rgba(6, 18, 34, 0.5) 34%, rgba(6, 18, 34, 0.18) 60%, rgba(6, 18, 34, 0.04) 100%);
    z-index: 1;
}

.yl-solution-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    opacity: 1;
}

@keyframes yl-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ================= 产品优势 (Advantages) ================= */
.yl-advantages {
    padding: 80px 0;
    background-color: #1E2088;
    color: #fff;
}

.yl-advantages .yl-section-title {
    color: #fff;
}

.yl-advantage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    align-items: stretch;
}

.yl-adv-item {
    min-width: 0;
    text-align: center;
    padding: 30px 18px;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
}

.yl-adv-item:hover {
    transform: translateY(-10px);
}

.yl-adv-item img {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px auto;
    display: block;
}

.yl-adv-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.yl-adv-item p {
    font-size: 14px;
    color: #a5b4fc;
    line-height: 1.7;
}


/* ================= 产品系列 (Product Series) ================= */
.yl-products {
    padding: 80px 0;
    background-color: #f8fbff;
}

.yl-product-list {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.yl-product-card {
    flex: 1;
    min-width: 300px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    border: 1px solid #edf2f7;
}

.yl-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: #e2e8f0;
}

.yl-product-img {
    height: 250px;
    background-color: #f1f5f9;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.yl-product-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.yl-product-card:hover .yl-product-img img {
    transform: scale(1.08);
}

.yl-product-info {
    padding: 30px;
    text-align: center;
}

.yl-product-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #1a202c;
}

.yl-product-info p {
    font-size: 14px;
    color: #4a5568;
    margin-bottom: 8px;
    text-align: center;
}

.yl-product-info p span {
    color: #a0aec0;
}

.yl-product-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 30px;
    background-color: #3B3CCF;
    color: #fff;
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.yl-product-btn:hover {
    background-color: #3B3CCF;
}


/* ================= 为什么选择我们 (Why Choose Us) ================= */
.yl-choose-us {
    padding: 80px 0;
    background-color: #fff;
}

.yl-choose-list {
    display: flex;
    gap: 30px;
    flex-wrap: nowrap;
}

.yl-choose-card {
    flex: 1;
    min-width: 0;
    height: 380px;
    border-radius: 0;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    color: #fff;
    display: flex;
    align-items: flex-start;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.yl-choose-list:not(:hover) .yl-choose-card:first-child {
    flex: 2.5;
}

.yl-choose-list .yl-choose-card:hover {
    flex: 2.5;
}

.yl-choose-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.3);
    transition: all 0.3s ease;
}

.yl-choose-content {
    position: relative;
    z-index: 2;
    padding: 40px 30px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.yl-choose-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}



.yl-choose-desc {
    font-size: 14px;
    line-height: 1.7;
    color: #cbd5e1;
    margin-top: 15px;
}

.yl-choose-btn {
    display: inline-block;
    margin-top: auto;
    align-self: flex-start;
    padding: 10px 50px;
    border: 1px solid rgba(255,255,255,0.4);
    background-color: #3B3CCF;
    border-color: #3B3CCF;
    color: #fff;
    text-decoration: none;
    border-radius: 0;
    font-size: 14px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    opacity: 0;
    transform: translateY(20px);
}

.yl-choose-list:not(:hover) .yl-choose-card:first-child .yl-choose-btn,
.yl-choose-list .yl-choose-card:hover .yl-choose-btn {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.yl-choose-btn:hover {
    background-color: #3B3CCF;
    border-color: #3B3CCF;
}


/* ================= 底部横幅 (Bottom Banner) ================= */
.yl-bottom-banner {
    min-height: 330px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    position: relative;
    color: #fff;
}

.yl-bottom-content {
    position: relative;
    z-index: 2;
    text-align: left;
}

.yl-bottom-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 700;
}

.yl-bottom-text p {
    font-size: 18px;
    margin-bottom: 40px;
    color: #cbd5e1;
}

.yl-bottom-btn {
    display: inline-block;
    padding: 15px 50px;
    background-color: #3B3CCF;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    border-radius: 0;
    transition: all 0.3s ease;
}

.yl-bottom-btn:hover {
    background-color: #3B3CCF;
    transform: scale(1.05);
}


/* ================= Responsive ================= */
@media (max-width: 1280px) {
    .yl-solution-content {
        min-height: 520px;
    }

    .yl-solution-left {
        width: min(500px, calc(100% - 80px));
        padding: 40px 0 0 40px;
    }
}

@media (max-width: 992px) {
    .yl-hero-title { font-size: 36px; }
    .yl-solution-wrapper { flex-direction: column; }
    .yl-solution-tabs { width: 100%; flex-direction: row; }
    .yl-tab-item { flex: 1; padding: 15px; }
    .yl-tab-item.active { border-left: none; border-bottom: 4px solid #3B3CCF; }
    .yl-tab-item { min-height: 0; }
    .yl-solution-content { min-height: 460px; }
    .yl-solution-left { width: min(460px, calc(100% - 64px)); padding: 32px 0 0 32px; }
    .yl-choose-card:hover .yl-choose-desc { max-height: 200px; }
}

@media (max-width: 768px) {
    .yl-hero-title { font-size: 28px; }
    .yl-hero-subtitle { font-size: 18px; }
    .yl-section-title { font-size: 28px; }
    .yl-solution-content { min-height: 380px; }
    .yl-solution-left { width: calc(100% - 40px); padding: 24px 0 0 20px; }
    .yl-panel-title { font-size: 22px; }
    .yl-panel-list li { font-size: 15px; line-height: 1.7; }
    .yl-advantage-list { grid-template-columns: 1fr; }
    .yl-adv-item { width: 100%; max-width: none; }
    .yl-choose-card { min-width: 100%; }
    /* Show description on mobile by default */
    .yl-choose-desc { max-height: 200px; opacity: 1; margin-top: 15px; }
    .yl-choose-content h3::after { width: 100%; }
}
.ys-footer-clean {
    --ys-content-width: 1300px;
    --ys-page-padding: calc((100% - var(--ys-content-width)) / 2);
    width: 100%;
    max-width: 100vw;
    /* overflow-x: hidden; Removed to prevent clipping of the dropdown menu */
    box-sizing: border-box;
    background-color: #000000;
    padding: 40px 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #999;
}

@media only screen and (min-width: 1441px) {
  .ys-footer-clean {
    --ys-content-width: min(1320px, calc(100% - 120px));
    --ys-page-padding: calc((100% - var(--ys-content-width)) / 2);
  }
}

@media only screen and (max-width: 1440px) {
  .ys-footer-clean {
    --ys-content-width: 1200px;
    --ys-page-padding: calc(50vw - 600px);
  }
}

@media only screen and (max-width: 1280px) {
  .ys-footer-clean {
    --ys-content-width: 1000px;
  }
}
@media only screen and (max-width: 1024px) {
  .ys-footer-clean {
    --ys-content-width: calc(100% - 40px);
    --ys-page-padding: 20px;
  }
}
@media only screen and (max-width: 768px) {
  .ys-footer-clean {
    --ys-content-width: calc(100% - 20px);
    --ys-page-padding: 10px;
  }
}

.ys-footer-clean .footer-container {
    width: var(--ys-content-width);
    margin: 0 auto;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ys-footer-clean .footer-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ys-footer-clean .footer-links {
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.ys-footer-clean .footer-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.ys-footer-clean .footer-links a:hover {
    color: #fff;
}

.ys-footer-clean .dropdown-link {
    position: relative;
}

.ys-footer-clean .dropdown-link .dropdown-trigger {
    display: inline-flex;
    align-items: center;
}

.ys-footer-clean .dropdown-link .dropdown-trigger .icon-short-arrow {
    display: inline-block;
    transform: rotate(90deg);
    font-size: 10px;
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.ys-footer-clean .dropdown-link:hover .dropdown-trigger .icon-short-arrow {
    transform: rotate(-90deg);
}

.ys-footer-clean .dropdown-link:hover .dropdown-trigger {
    color: #4b55c4; /* Match the blue color */
}

.ys-footer-clean .dropdown-menu {
    display: none;
    position: absolute;
    bottom: 100%; /* 向上弹出，因为是在页脚 */
    left: -20px;
    background-color: #fff;
    min-width: 220px;
    list-style: none;
    padding: 10px 0;
    margin: 0 0 15px 0;
    border-radius: 4px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    z-index: 9999; /* Increased z-index to ensure it sits above index/4 */
}

/* 增加一个隐形的桥梁，填补菜单和触发按钮之间的空隙，防止鼠标移出 hover 区域 */
.ys-footer-clean .dropdown-menu::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 15px; /* 高度与 margin-bottom 保持一致 */
    background: transparent;
}

.ys-footer-clean .dropdown-link:hover .dropdown-menu {
    display: block;
}

.ys-footer-clean .dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
}

.ys-footer-clean .dropdown-menu li a:hover {
    background-color: #f9f9f9;
    color: #2b37b3;
}

.ys-footer-clean .footer-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.ys-footer-clean .footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center; /* 恢复居中对齐，通过宽度控制文字 */
    background-color: #000000; /* 与 footer 背景一致的深色背景 */
    padding: 10px; /* 增加一点内边距避免图片贴边，可根据需要调整 */
    border-radius: 4px; /* 可选：一点圆角 */
}

.ys-footer-clean .footer-logo img {
    max-width: 140px; /* 稍微缩小图片宽度以匹配文字感官 */
    height: auto;
    object-fit: contain;
}

.ys-footer-clean .logo-text {
    color: #fff;
    font-size: 14px;
    font-weight: 300;
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 140px; /* 强制文字容器宽度与图片一致 */
    padding: 0;
    margin: 0;
}

.ys-footer-clean .logo-text span {
    line-height: 1;
    display: inline-block;
}

.ys-footer-clean .copyright-text {
    color: #666;
    font-size: 12px;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .ys-footer-clean .footer-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
    }
    .ys-footer-clean .footer-links {
        gap: 15px;
    }
    .ys-footer-clean .footer-links a {
        font-size: 13px;
    }
}
.ys-rightNav {
  --ys-right-nav-primary: #25272D;
  
  position: fixed;
  right: 20px;
  bottom: 90px;
  text-align: center;
  z-index: 99;
  font-size: 14px;
  line-height: 16px;
}
.ys-rightNav .service {
  background-color: var(--ys-right-nav-primary);
  padding: 10px 13px;
  width: 50px;
  color: var(--ys-color-white);
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  margin-left: auto;
}
.ys-rightNav .service:hover {
  background-color: var(--ys-color-primary);
}
.ys-rightNav .service i {
  font-size: 24px;
  margin-bottom: 6px;
}
.ys-rightNav .service div::before {
  content: '';
  display: block;
  height: 14px;
  width: 1px;
  background-color: var(--ys-color-white);
  margin: 7px auto;
}
.ys-rightNav .circle {
  position: relative;
  cursor: pointer;
  display: block;
  text-decoration: none;
  margin-top: 1px;
}
.ys-rightNav .circle-icon {
  width: 50px;
  height: 50px;
  padding: 17px 12px 12px;
  background: var(--ys-color-primary);
  margin-left: auto;
}
.ys-rightNav .circle i {
  font-size: 24px;
  color: var(--ys-color-white);
}
.ys-rightNav .circle-header {
  display: flex;
  align-items: center;
}
.ys-rightNav .circle .text-cover {
  /* position: absolute; */
  width: 0;
  height: 50px;
  overflow: hidden;
  background-color: var(--ys-right-nav-primary);
  color: var(--ys-color-white);
  text-align: left;
  transition: all .2s;
  transform-origin: center;
  /* transform: scale(0); */
}
.ys-rightNav .circle .text-cover span {
  padding: 18px 20px;
  display: block;
  white-space: nowrap;
}
.ys-rightNav .circle:hover .text-cover {
  width: 167px;
}
.ys-rightNav #backTop {
  display: none;
}
.ys-rightNav #backTop i {
  display: block;
}
.ys-rightNav .code-cover {
  width: 217px;
  height: fit-content;
  margin: auto;
  transform-origin: right;
  z-index: 2;
  text-align: left;
}
.ys-rightNav .code-cover-box {
  width: 0;
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 50px;
  background: var(--ys-color-white);
  transition: width .2s;
  z-index: 2;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.10);
}
.ys-rightNav .circle:hover .code-cover-box {
  width: 100%;
}
.ys-rightNav .code-cover-box.code-cover-box--reserve {
  top: auto;
  bottom: 50px;
}
.ys-rightNav .code-cover.code-cover--contact {
  padding: 25px 20px;
}
.ys-rightNav .code-cover.narrow {
  width: auto;
}
.ys-rightNav .code-cover .code-item {
  display: flex;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--ys-color-background-100);
  font-size: 12px;
  color: var(--ys-color-text-300);
}
.ys-rightNav .code-cover .code-item:last-child {
  border-bottom: 0;
}
.ys-rightNav .code-cover img {
  width: 82px;
  height: 82px;
  margin-right: 10px;
}
.ys-rightNav .code-cover .code-item i {
  font-size: 18px;
  color: var(--ys-color-success);
  margin-right: 4px;
}
.ys-rightNav .code-cover .code-item span {
  color: var(--ys-color-text-000);
  font-size: 14px;
}
.ys-rightNav .code-cover p {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
}
.ys-rightNav .code-cover .code-row {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  color: var(--ys-color-text-000);
}
.ys-rightNav .code-cover .code-row + .code-row {
  margin-top: 22px;
}
.ys-rightNav .code-row a {
  text-decoration: none;
  color: var(--ys-color-text-000);
}
.ys-rightNav .code-row i {
  font-size: 16px;
  color: var(--ys-color-text-000);
  margin-right: 14px;
}
#newBridge .nb-icon-wrap {
  display: none;
}

@media only screen and (max-width: 768px) {
  .ys-rightNav {
    right: 10px;
  }
  .ys-rightNav .service {
    height: 50px;
    padding: 16px 13px;
  }
  .ys-rightNav .service div {
    display: none;
  }
}