.center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.center-align {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.center-justify {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.no-text-select {
  user-select: none;
  /* 👈 关键：禁止文本选中 */
  -webkit-user-select: none;
  /* 兼容 Safari */
  -moz-user-select: none;
  /* 兼容 Firefox */
  -ms-user-select: none;
  /* 兼容 IE/Edge */
}

.textover {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.textover2 {
  overflow: hidden;
  white-space: pre-line;
  word-break: break-all;
  word-wrap: break-word;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* 移除浏览器默认边距 */
body,
html {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

.title {
  font-weight: 500;
  font-size: 36px;
  color: #333333;
  line-height: 50px;
  user-select: none;
}

/* 响应式标题样式 */
.responsive-title {
  font-weight: 500;
  font-size: 1.9vw;
  /* 使用视口宽度单位 */
  color: #333333;
  line-height: 1.4;
  text-align: center;
  width: 100%;
  padding: 0 5%;
  box-sizing: border-box;
  user-select: none;
}

/* 顶部栏响应式样式 */
.top-bar {
  height: 60px;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  padding: 0 19%;
  justify-content: space-between;
}

.tagline {
  font-size: 1vw;
  color: #333333;
  line-height: 1.4;
  white-space: nowrap;
}

.divider {
  width: 1px;
  height: 24px;
  background: #ECEDED;
  margin: 0 10px;
}

.logo-img {
  width: 3.3vw;
  height: 1.5vw;
  min-width: 40px;
  min-height: 18px;
}

.product-page {
  display: flex;

  background-color: #fff;
}

/* 左侧导航 */
.sidebar {
  width: 156px;
  background-color: #fff;
  border-right: 1px solid #e5e5e5;
  padding: 50px 0;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar li {
  padding: 15px 20px;
  cursor: pointer;
  transition: background-color 0.3s;
  font-size: 16px;
  color: #303133;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sidebar li.active {
  background-color: #e6f0ff;
  color: #276EF9;
  border-right: 4px solid #409eff;

}

/* 中间内容 */
.main-content {
  display: flex;
}

.title h2 {
  font-size: 18px;
  color: #303133;
  margin: 0;
}

.underline {
  width: 47px;
  height: 3px;
  background-color: #000;
  margin-top: 55px;
}

.content p {
  font-size: 14px;
  color: #606266;
  line-height: 1.8;
  margin-bottom: 12px;
}


.client-section {
  height: 500px;
  width: 338px;
}

.client-logos {
  display: flex;
  gap: 20px;
  margin-top: 12px;
}

.logo-item {
  flex: 1;
  padding: 10px;
  background-color: #f5f7fa;
  border-radius: 4px;
  text-align: center;
}

.logo-item img {
  max-width: 100%;
  height: 40px;
  object-fit: contain;
}

/* 右侧背景 */
.right-bg {
  flex: 1;
  background-color: #f5f7fa;
  background-image: url('https://via.placeholder.com/800x600?text=Right+Background');
  background-size: cover;
  background-position: center;
}


.suspension-view1 {
  position: fixed;
  right: 20px;
  top: 35%;
  width: 64px;
  height: 162px;
  background: #FFFFFF;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.13);
  border-radius: 33px;
  flex-flow: column;
}

.suspension-view2 {
  position: fixed;
  right: 20px;
  top: 70%;
  width: 64px;
  height: 64px;
  background: #FFFFFF;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.13);
  border-radius: 32px;
  cursor: pointer;
}