html {
  scroll-behavior: smooth;
}

.banner_container {
  position: relative;
  width: 100%;
  height: 700px;
  overflow: hidden;
  margin-bottom: 50px;
  overflow: hidden;
}

/* 背景图 */
.background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('banner.png');
  background-size: 100% 100%;
  background-position: center bottom;
  z-index: 1;
}

.banner_title {
  position: absolute;
  font-size: 50px;
  color: #fff;
  font-weight: bold;
  width: 83.3%;
  bottom: 70px;
  z-index: 20;
  left: 8%;
}

.ty_more {
  border-radius: 50px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 180px;
  height: 50px;
  border: 2px solid #fff;
  padding: 0 8px 0 31px;
  color: #fff;
  font-size: 16px;
  position: relative;
  z-index: 1;
  transition: 0.4s all;
  margin-top: 30px;
}

.ty_more span {
  width: 30px;
  height: 30px;
  border-radius: 50px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
}

.ty_more p {
  z-index: 4;
}

.ty_more img {
  transition: 0.5s all;
}


.ty_more::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  transition: 0.3s all;
  border-radius: 50px;
}


/* 导航 */
.breadcrumb {
  max-width: 100%;
  max-height: 70px;
  display: flex;
  align-items: center;
  position: relative;
  font-size: 18px;
  color: #555555;
}

.breadcrumb img {
  margin-top: 4px;
}

.select_down {
  margin-left: 9px;
  transition: all 0.3s ease;
}
.select{
  position: relative;
}
.breadcrumb .other_col{
  position: absolute;
  left: 0;
  top: 30px;
  z-index: 999;
  border-radius: 20px;
  background-color: #fff;
  padding: 0;
  box-shadow: 0 10px 60px 0 rgba(112,112,112,0.1);
  width: 300px;
  height: 0;
  transition: all 0.3s ease;
  overflow: hidden;
}
.select.active .other_col{
 height: auto;
  padding: 20px;
}
.breadcrumb .other_col li{
  line-height: 40px;
  font-size: 18px;
}

.Con {
  margin: 52px auto 150px auto;
  width: 83.3%;
}




/* 容器总布局 */
.timeline-container {
  max-width: 100%;
  margin: 0 auto;
}

.timeline-swiper {
  margin-bottom: 40px;
  height: 75px;
  width: 100%;
  overflow: hidden;
  padding-bottom: 5px;
}

.timeline-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  border-bottom: 1px solid #e6e6e6;
  transition: all 0.3s ease-in-out;
}

.timeline-slide.active {
  color: #004098;
  font-weight: 600;
}

.timeline-dot {
  width: 11px;
  height: 11px;
  background-color: #D40512;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: absolute;
  bottom: -5px;
}

.timeline-text {
  font-size: 30px;
  line-height: 70;
  text-align: center;
  width: 100%;
}

/* 2. 内容Swiper样式 - 微调 */
.content-swiper {
 /* height: 962px; */
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.content-slide {
  height: 100%;
  background-color: #fff;
  padding: 45px 50px;
}

.content-title {
  font-size: 26px;
  color: #1d2129;
  margin-bottom: 24px;
  font-weight: 600;
  position: relative;
  padding-left: 16px;
}

/* 内容标题左侧装饰线 */
.content-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background-color: #165DFF;
  border-radius: 2px;
}

.content-desc {
  font-size: 16px;
  color: #4e5969;
  line-height: 1.8;
  text-align: justify;
}
.content-slide img{
     width: 100%;
    height: 100%;
    object-fit: cover;
}