.banner {
  width: 100vw;
  position: relative;
}
.banner img {
  width: 100vw;
}
.banner .banner-text {
  position: absolute;
  top: 100px;
  width: 100vw;
  text-align: center;
}
.banner .banner-text .banner-title {
  color: #d39717;
  font-size: 2rem;
  /* font-weight: bold; */
}
.banner .banner-text .banner-title span {
  color: white;
}
.banner .banner-text .banner-content {
  padding: 10px;
  padding-top: 50px;
}
.banner .banner-text .banner-content span {
  color: white;
  font-size: 20px;
}
.banner .banner-btn-area {
  position: absolute;
  bottom: 10px;
  right: 100px;
  width: 100vw;
}
.banner .banner-btn-area .banner-btn {
  width: 10vw;
  height: 30px;
  font-size: 13px;
  background-color: #a57712;
  float: right;
  margin-left: 10px;
  transform: skewX(-15deg);
  text-align: center;
  line-height: 30px;
  min-width: 100px;
  margin-top: 10px;
}
.banner .banner-btn-area .banner-btn a {
  color: white !important;
  transform: skewX(15deg);
}
.swiper {
  color: #000000;
  width: 80vw;
  margin: 0 auto;
  height: calc(80vw/1.77);
  padding-top: 50px;
  padding-bottom: 50px;
  margin-top: 50px;
}
.swiper-slide {
  background-position: center;
  background-size: cover;
  width: 80% !important;
  height: 300px;
  position: relative;
}
.swiper-slide img {
  display: block;
  width: 100%;
}
.swiper-slide::after {
  position: absolute;
  content: "";
  font-size: 30px;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.58);
  text-align: center;
  line-height: 80vh;
  color: white;
}
.swiper-slide .img-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: white;
  padding: 5vw;
  z-index: 1;
}
.swiper-slide .img-content .img-content-logo {
  font-size: 22px;
  float: left;
}
.swiper-slide .img-content .img-content-title {
  color: #d39717;
  font-size: 30px;
  /* font-weight: bold; */
}
.swiper-slide .img-content .img-content-describe {
  width: 90%;
  height: 100px;
  margin-top: calc(3vw + 10px);
}
.swiper-slide .img-content .img-content-describe span {
  font-size: 18px;
}
.swiper-slide .img-content .img-content-describe > div {
  margin-top: 2vw;
  margin-left: -40px;
}
.swiper-slide .img-content .img-content-describe > div > div {
  float: left;
}
.swiper-slide .img-content .img-content-describe > div > div > img {
  width: 16vw;
  position: relative;
}
.swiper-slide .img-content .img-content-describe > div > div > span {
  display: block;
  width: 16vw;
  text-align: center;
  font-size: 15px;
}
.mid_introduce {
  background: url(../assets/img/product_mid_pic.png) no-repeat;
  width: 100vw;
  height: 1000px;
  background-size: cover;
  margin-top: -100px;
  position: relative;
  z-index: 2;
}
.mid_introduce iframe {
  width: 90vw;
  height: 1000px;
  display: block;
  margin: 0 auto;
  background: transparent;
  border: none;
  z-index: 1;
}
.product_bottom {
  width: 100vw;
  height: 700px;
  background: url("../assets/img/product_end.png") no-repeat;
  background-size: cover;
}
.product_bottom iframe {
  width: 90vw;
  height: 700px;
  display: block;
  margin: 0 auto;
  background: transparent;
  border: none;
  z-index: 1;
}
@media screen and (max-width: 960px) {
  .banner {
    width: 100vw;
  }
  .banner img {
    width: 180vw;
    height: 500px;
  }
  .banner .banner-text {
    position: absolute;
    top: 100px;
    width: 100vw;
    text-align: center;
  }
  .banner .banner-text .banner-title {
    color: #d39717;
    font-size: 2rem;
    /* font-weight: bold; */
  }
  .banner .banner-text .banner-title span {
    color: white;
  }
  .banner .banner-btn-area {
    position: absolute;
    bottom: 10px;
    right: 20px;
    width: 100vw;
  }
  .banner .banner-btn-area .banner-btn {
    width: 10vw;
    height: 30px;
    font-size: 13px;
    background-color: #d39717;
    float: right;
    margin-left: 10px;
    transform: skewX(-15deg);
    text-align: center;
    line-height: 30px;
    min-width: 100px;
  }
  .banner .banner-btn-area .banner-btn a {
    color: white !important;
    transform: skewX(15deg);
  }
  .swiper {
    color: #000000;
    width: 95vw;
    margin: 0 auto;
    height: calc(95vw/1.77);
    padding-top: 50px;
    padding-bottom: 50px;
    margin-bottom: 100px;
    margin-top: 50px;
  }
  .swiper-slide {
    background-position: center;
    background-size: cover;
    width: 95% !important;
    height: 300px;
    position: relative;
  }
  .swiper-slide img {
    display: block;
    width: 100%;
  }
  .swiper-slide::after {
    position: absolute;
    content: "";
    font-size: 30px;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.58);
    text-align: center;
    line-height: 80vh;
    color: white;
  }
  .swiper-slide .img-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: white;
    padding: 20px;
    z-index: 99;
  }
  .swiper-slide .img-content .img-content-logo {
    font-size: 22px;
    float: left;
  }
  .swiper-slide .img-content .img-content-title {
    color: #d39717;
    font-size: 30px;
    /* font-weight: bold; */
  }
  .swiper-slide .img-content .img-content-describe {
    width: 90%;
    height: 100px;
    margin-top: calc(3vw + 10px);
  }
  .swiper-slide .img-content .img-content-describe span {
    font-size: 18px;
  }
  .swiper-slide .img-content .img-content-describe > div {
    margin-top: 2vw;
    margin-left: 10px;
  }
  .swiper-slide .img-content .img-content-describe > div > div {
    float: left;
    width: 150px;
  }
  .swiper-slide .img-content .img-content-describe > div > div > img {
    width: 20vw;
    margin-left: -20px;
    position: relative;
    margin: 0 auto;
  }
  .swiper-slide .img-content .img-content-describe > div > div > span {
    display: block;
    width: 150px;
    text-align: center;
    font-size: 12px;
  }
  .mid_introduce {
    background: url(../assets/img/product_mid_pic.png) no-repeat;
    width: 100vw;
    height: 1500px;
    background-size: cover;
    margin-top: -100px;
    position: relative;
    z-index: 2;
  }
  .mid_introduce iframe {
    width: 90vw;
    height: 1500px;
    display: block;
    margin: 0 auto;
    background: transparent;
    border: none;
    z-index: 1;
  }
}

@media screen and (max-width: 960px) {
  .end_frame {
      margin-top: 50px;
  }
}