/* 导航栏变化 */
@keyframes NavShrink {
  to {
    padding-top: 4px;
    padding-bottom: 4px;
  }
}
/* LOGO变化 */
@keyframes LogoShrink {
  to {
    height: 50px;
  }
}
.header .header-logo {
  height: 48px;
}
.header .header-search {
  border: 2px solid #fff;
  height: 30px;
}
.header .header-search-input {
  background-color: initial;
  border-left: 2px solid #fff;
}
.header .nav .nav-menu-link {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.header .nav .nav-submenu-item {
  white-space: nowrap;
}
.header .header-control {
  position: relative;
  padding-top: 14px;
  padding-bottom: 14px;
  transition: padding 0.3s ease;
  /* 绑定动画：both 确保停留在最后一帧 */
  animation: NavShrink linear both;
  animation-timeline: scroll(root);
  /* 锁定动画范围：只在滚动 0px 到 100px 之间执行 */
  animation-range: 0px 100px;
}
.header .header-social-m {
  display: none;
}
@supports not (animation-timeline: scroll()) {
  .header .header-control {
    padding-top: 14px;
    padding-bottom: 14px;
    background: #fff;
  }
  .header .header-logo {
    height: 74px;
  }
}
.footer .footer-group-title .iconfont {
  font-size: 8px;
  margin-left: 4px;
}
.footer .footer-group-list a {
  display: block;
}
.footer .footer-group-list img.whatsapp {
  width: 18px;
}
.footer .footer-social img {
  width: 36px;
}
.footbar .footbar-whatsapp .icon-arrow-down-o {
  font-size: 10px;
  animation: UpDownFloat 0.5s infinite;
}
.footbar .footbar-whatsapp details[open] .footbar-whatsapp-menu {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}
.footbar .footbar-whatsapp-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  background-color: #fff;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  z-index: 70;
  width: 100%;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.footbar .footbar-whatsapp-menu a {
  padding: 14px 4px;
  color: #fff;
  text-decoration: none;
  text-align: center;
  font-size: 14px;
  transition: background-color 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
}
.footbar .footbar-whatsapp-menu a:nth-child(1) {
  background-color: var(--color-cataract-highlight);
}
.footbar .footbar-whatsapp-menu a:nth-child(2) {
  background-color: #366abb;
}
.footbar .footbar-whatsapp-menu span {
  font-size: 16px;
  font-weight: 900;
}
.footbar .footbar-whatsapp-menu .icon-inquiries {
  font-size: 24px;
}
.footbar .footbar-line::before {
  position: absolute;
  background-color: #fff;
  top: 0;
  width: 2px;
  height: 100%;
}
.footbar .mascot {
  max-width: 28px;
  animation: ShakeImage 1s infinite;
}
.booknow .booknow-item {
  border: 2px solid var(--color-booknow);
  color: var(--color-booknow);
  background-color: #fff;
}
.booknow .booknow-item-icon::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 50%;
  background-color: #80caef;
  /* opacity: 0; */
  transition: opacity 0.5s ease-in-out;
}
/* .booknow.ready .booknow-item-icon::before {
  opacity: 1;
} */
.booknow .booknow-item-icon::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 50%;
  background-color: var(--color-booknow);
}
.booknow .booknow-cataract {
  border: solid var(--color-cataract-highlight);
  color: var(--color-cataract-highlight);
  background-color: #fff;
}
.booknow .booknow-cataract::before {
  content: "";
  height: 2px;
  width: 100%;
  background-color: var(--color-cataract-highlight);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.booknow .booknow-cataract-icon {
  animation: ShakeScale 2s linear infinite;
}
.booknow .booknow-item .booknow-number div:nth-child(2) {
  background-color: var(--color-booknow);
}
.booknow .booknow-cataract .booknow-number div:nth-child(2) {
  background-color: var(--color-cataract-highlight);
}
.booknow .booknow-item:hover .booknow-number,
.booknow .booknow-cataract:hover .booknow-number {
  transform: translateY(-50%);
}
.booknow .booknow-number {
  transform: translateY(0); /* 默认隐藏 */
  transition: transform 0.3s ease; /* 0.3秒平滑过渡 */
}
/* 移动端规则 */
@media screen and (max-width: 1023px) {
  .header .header-control {
    box-shadow: 0 2px 2px 0 rgba(166, 192, 245, 0.25);
    background-color: rgba(255, 255, 255, 0.9);
  }
  .header .nav-menu .icon-arrow-down {
    font-size: 8px;
  }
  .header .nav .nav-menu-link {
    font-size: 18px;
    font-weight: bold;
    border-bottom: 2px solid var(--color-primary);
    height: 44px;
  }
  .header .nav-submenu-item {
    color: #4f5154;
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
  }
  .header #nav-toggle:checked ~ .header-control {
    background-color: #fff;
  }
  .header #nav-toggle:checked ~ .header-control .nav-toggle-label span:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }
  .header #nav-toggle:checked ~ .header-control .nav-toggle-label span:nth-child(2) {
    width: 0;
    opacity: 0;
  }
  .header #nav-toggle:checked ~ .header-control .nav-toggle-label span:nth-child(3) {
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
  }
  .header .nav details[open] .nav-submenu {
    display: block !important; /* 打开时显示 */
    opacity: 1;
    transform: translateY(0); /* 从隐藏滑入 */
    transition: all 0.3s ease; /* 平滑动画 */
  }
  .header .nav .nav-submenu {
    display: none !important;
    opacity: 0;
    transform: translateY(-10px);
    list-style: none;
    width: 150px;
    overflow: scroll-y;
    margin-top: 5px; /* 与 summary 间距 */
  }
  .header .nav details[open] .icon-arrow-down {
    transform: rotate(180deg); /* 箭头旋转 */
    transition: transform 0.3s ease;
  }
  .header #nav-toggle:checked ~ .nav .nav-menu .dropdown {
    width: 40%;
  }
  .header .nav {
    display: none;
  }
  .header #nav-toggle:checked ~ .nav {
    display: block;
    position: fixed;
    left: 0;
    padding-top: 100px;
    height: 100vh;
    background-color: #fff;
    background-image: linear-gradient(to bottom, #fff 55%, #8dc6e8);
  }
  .header #nav-toggle:checked ~ .header-social-m {
    display: flex;
  }
}
/* PC端规则 */
@media screen and (min-width: 1024px) {
  .header {
    box-shadow: 0 2px 2px 0 rgba(166, 192, 245, 0.25);
    background-color: rgba(255, 255, 255, 0.9);
  }
  .header .header-social li:not(:last-child) {
    margin-right: 32px;
  }
  .header .header-control-main i {
    font-size: 16px;
  }
  .header .header-control-main .icon-arrow-down-o {
    font-size: 10px;
  }
  .header .header-logo {
    height: 74px;
    animation: LogoShrink linear both;
    animation-timeline: scroll(root);
    animation-range: 0px 100px;
  }
  .header .nav {
    display: flex;
  }
  .header .nav .icon-arrow-down {
    font-size: 8px;
    margin-left: 4px;
    transition: transform 0.3s ease;
  }
  .header .nav .nav-menu-item {
    margin-left: 14px;
    position: relative;
    padding: 10px 0; /* 扩大触发区域 */
  }
  .header .nav .nav-menu-link {
    font-size: 20px;
    font-weight: 700;
  }
  .header .nav .nav-menu-link:hover {
    color: #e57563;
  }
  .header .nav .nav-menu-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
  }
  .header .nav .nav-menu-link:hover::after {
    transform: scaleX(1);
  }
  .header .nav .nav-menu-link:hover {
    color: #e57563;
  }
  .header .nav .nav-menu-link:hover::after {
    transform: scaleX(1);
  }
  /* 二级菜单样式 */
  .header .nav .nav-submenu {
    position: absolute;
    top: calc(100% + 2px); /* 避免与一级菜单重叠 */
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    list-style: none;
    padding: 10px 0;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 90;
  }
  .header .nav .nav-submenu li {
    margin: 0;
  }
  .header .nav .nav-submenu li a {
    display: block;
    padding: 8px 15px;
    color: #4d4d4d;
    font-size: 16px;
    font-weight: 400;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  .header .nav .nav-submenu li a:hover {
    color: #e57563;
  }
  .header .nav .nav-menu-item:hover .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 10px);
    display: block !important; /* 打开时显示 */
  }
  /* 下拉三角形旋转 */
  .header .nav .nav-menu-item:hover .icon-arrow-down {
    transform: rotate(180deg);
  }
  .footer .footer-bg::before {
    content: "";
    position: absolute;
    background: url("https://statichk.cmermedical.com/newopd/common/bg-person-01.webp") no-repeat;
    background-size: contain;
    height: 65%;
    width: 100%;
    left: -60px;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
  }
  .footer .footer-group-list a::before {
    content: ">";
    margin-right: 4px;
  }
  .footer .footer-social img {
    width: 48px;
  }
}
@media screen and (min-width: 1280px) {
  .header .nav .nav-menu-item {
    margin-left: 36px;
  }
}