.banner.bg-scroll {
  position: relative;
}
.banner.bg-scroll::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgb(6, 56, 187, 0.75);
}

.top-bg {
  position: relative;
  height: 800px;
  background: url('../images/customs_02.jpg') center no-repeat;
  background-size: cover;
  background-attachment: fixed;
}
.top-bg .container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 0.1)), color-stop(70%, rgba(255, 255, 255, 0.9)), color-stop(90%, #ffffff));
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.9) 70%, #ffffff 90%);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.top-bg .container .info {
  position: relative;
  margin-top: auto;
  margin-bottom: 200px;
  width: 500px;
  padding: 0 30px 20px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  color: #47577e;
  line-height: 2em;
  text-shadow: 0px 0px 2px rgba(0, 0, 0, 0.45);
}
/* 
.top-bg .container .info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: #47577e;
}
.top-bg .container .info::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: #47577e;
} */

.top-bg .container .info h4 {
  font-size: 36px;
  line-height: 2em;
}

.top-bg .container .info h4 + span {
  font-size: 16px;
  /* 大写 */
  text-transform: uppercase;
}

.top-bg .container .info p {
  margin-top: 20px;
  font-size: 16px;
  text-align: justify;
}

.glass {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.glass .text {
  height: 400px;
  -webkit-box-flex: 0;
  -ms-flex: none;
  flex: none;
  width: 50%;
  background-color: #20aee5;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.glass .text ul {
  position: relative;
  width: 400px;
  padding: 0 20px;
  margin-left: auto;
  margin-right: 4vw;
  color: #fff;
  font-size: 16px;
  line-height: 2em;
}
.glass .text ul li + li {
  margin-top: 10px;
}
.glass .text ul li span {
  position: relative;
  display: block;
  padding-left: 10px;
  font-size: 22px;
}
.glass .text ul li span::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 4em;
  height: 1px;
  background-color: #fff;
}
.glass .pics {
  -webkit-box-flex: 0;
  -ms-flex: none;
  flex: none;
  width: 50%;
  background: url('../images/customs_03.jpg') center no-repeat;
  background-size: cover;
}
.illustrate {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 50px;
  padding: 150px 0;
}

.illustrate .images {
  -webkit-box-flex: 0;
  -ms-flex: none;
  flex: none;
  width: calc(50% - 25px);
}

.illustrate .images ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: end;
  -ms-flex-align: end;
  align-items: flex-end;
}

.illustrate .images ul li {
  position: relative;
  width: 50%;
  height: 0;
  padding-bottom: 70%;
  border-radius: 8px;
  overflow: hidden;
  -webkit-box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.illustrate .images ul li:nth-child(2) {
  margin-top: -70%;
  margin-right: 5vw;
  -webkit-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
  -webkit-transform: rotate(-25deg);
  transform: rotate(-25deg);
}

.illustrate .images ul li:nth-child(3) {
  margin-top: -70%;
  -webkit-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
  -webkit-transform: rotate(-90deg);
  transform: rotate(-90deg);
}

.illustrate .images ul li img {
  position: absolute;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}

.illustrate .text {
  -webkit-box-flex: 0;
  -ms-flex: none;
  flex: none;
  width: calc(50% - 25px);
  font-size: 16px;
  line-height: 2em;
  color: #47577e;
  /* text-shadow: 0px 0px 2px rgba(0, 0, 0, 0.45); */
}

.illustrate .text span {
  color: #a9aeba;
}

@media screen and (max-width: 768px) {
  .top-bg {
    height: 600px;
  }
  .top-bg .container .info {
    width: 100%;
    margin-bottom: 100px;
  }
  .glass .text {
    position: relative;
    width: 100%;
    background: url('../images/customs_03.jpg') center no-repeat;
    background-size: cover;
  }
  .glass .text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(32, 173, 229, 0.7);
  }
  .glass .text ul {
    margin-right: auto;
  }
  .illustrate {
    padding: 50px 0;
  }
  .illustrate .images {
    width: 100%;
  }
  .illustrate .text {
    width: 100%;
  }
  .illustrate .images ul {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
  .illustrate .images ul li:nth-child(2) {
    margin-left: 10px;
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
}