* {
  margin: 0;
  padding: 0;
}

img {
  width: 100%;
}

video {
  width: 100%;
}

video::-webkit-media-controls {
  display: none;
}

#app {
  max-width: 1920px;
  margin: 0 auto;
  background: #fff;
}

.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  /* 文字和圆圈间距 */
  background: #111;
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
  font-family: "Microsoft YaHei", sans-serif;
  cursor: pointer;
  transition: opacity 0.3s;
}

.view-more-btn:hover {
  opacity: 0.8;
}

.circle-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  rotate: 180deg;
}

.circle {
  width: 138px;
  height: 138px;
  border-radius: 50%;
  background: #E8E8E8;
  position: relative;
}

.border {
  position: relative;
  background: #fff;
}

.border::before {
  content: "";
  position: absolute;
  top: 65%;
  left: 65%;
  width: 203px;
  transform: translate(-50%, -50%);
  border-top: 1px solid #D8D8D8;
  rotate: 90deg;
}

.border::after {
  content: "";
  position: absolute;
  top: 65%;
  left: 30%;
  width: 203px;
  transform: translate(-50%, -50%);
  border-top: 1px solid #D8D8D8;
  rotate: 90deg;
}

.menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 100%;
}

.menu-item p {
  font-size: 18px;
  font-family: "Microsoft YaHei", sans-serif;
  cursor: pointer;
  padding: 12px 0 8px 0;
}

.menu-item:hover {
  border-bottom: 2px solid #357FCD;
}

.menu-item.active {
  border-bottom: 2px solid #357FCD;
}

.menu.sticky-top {
  background: #fff;
  border-bottom: 1px solid #D8D8D8;
}

#menu-text.sticky-top {
  color: #333333 !important;
  background: #fff;
}

.arrow {
  position: absolute;
  width: 80px;
  height: 80px;
  bottom: 80px;
  z-index: 10;
  cursor: pointer;
  border-radius: 50%;
}

.arrow.left {
  left: 160px;
  background: url('/home/src/assets/icon/left.svg') no-repeat center center;
  background-size: cover;
}

.arrow.right {
  left: 300px;
  background: url('/home/src/assets/icon/right.svg') no-repeat center center;
  background-size: cover;
}

#head {
  position: relative;
  width: 100%;
  height: 1112px;
}

#stone {
  position: relative;
  width: 100%;
  height: 902px;
}

#mission {
  position: relative;
  width: 100%;
  height: 800px;
}

#display {
  position: relative;
  width: 100%;
}

#head img {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

#head img.active {
  opacity: 1;
}

/* 🔥 垂直显示条（竖条），放在右下角 */
.dots {
  position: absolute;
  right: 160px;
  /* 靠右 */
  bottom: 82px;
  /* 靠下 */
  display: flex;
  flex-direction: column;
  /* 垂直排列 */
  z-index: 10;
}

/* 未选中：浅白 */
.dot {
  width: 8px;
  height: 40px;
  background: rgba(255, 255, 255, 0.4);
  /* border-radius: 99px; */
  cursor: pointer;
}

/* 选中：深白 */
.dot.active {
  background: rgba(255, 255, 255, 1);
}

#stone img {
  position: absolute;
  /* width: 100%; */
  /* height: 100%; */
  /* object-fit: fit; */
  opacity: 0;
  transition: opacity 1s ease;
}

#stone img.active {
  opacity: 1;
}

#vueApp {
  position: relative;
  width: 800px;
  height: 600px;
}

.product-image {
  width: 100%;
  height: 100%;
}

.product-image.title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}

#products-menu {
  font-size: 18px;
  color: #333333;
  display: flex;
  justify-content: space-around;
  flex-direction: column;
  align-items: center;
  background: #fff;
}

#products-menu-container {
  height: 114px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 120px;
}

#products-menu-child {
  height: 114px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 200px;
}

/* 顶部占位用，避免页面跳动 */
.sticky-placeholder {
  display: none;
}

/* 吸顶核心样式 */
.sticky {
  position: fixed;
  top: 59px;
  left: 0;
  width: 100%;
  z-index: 999;
  /* 保证在最上层 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.sticky.sticky-top {
  width: 100%;
  background: #fff;
}

#products-menu span {
  cursor: pointer;
}