body {
  font-size: 16px;
}

#propotion {
  width: 100%;
  height: 100%;
  padding: 0;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
}

/* 头部开始 */
.container_header {
  display: flex;
  align-items: center;
  padding: 15px 0;
}

.container_header .header_img {
  width: 431px;
  height: 87px;
}

.container_header .header_nav {
  display: flex;
  justify-content: space-between;
}

.container_header .header_nav a {
  color: #000;
  font-size: 18px;
  text-decoration: none;
}

/* 头部结束 */

/* 轮播开始 */
.container_carousel {
  width: 100%;
  height: 800px;
  background: url('./../img/carousel_bg.png') no-repeat;
  background-size: 100% 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  position: relative;
}

.container_carousel .carousel_downImg {
  position: absolute;
  bottom: 39px;
}

.container_carousel .container_texts {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container_carousel .first_text,
.container_carousel .second_text {
  font-size: 90px;
}

.container_carousel .third_text {
  font-size: 24px;
  margin-top: 60px;
}

/* 轮播结束 */

/* 关于我们,联系我们开始 */
.container_aboutus {
  margin: 147px 0 67px 0;
}

.container_contactus {
  margin: 105px 0 40px 0;
}

.container_aboutus .aboutus_title,
.container_contactus .contactus_title {
  font-size: 48px;
}

.container_aboutus .aboutus_box,
.container_contactus .contactus_box {
  background-image: linear-gradient(#fff, #fff 70%, #F9DF99 30%);
  ;
}

.container_aboutus .aboutus_title .aboutus_content,
.container_contactus .contactus_title .contactus_content {
  font-size: 24px;
  line-height: 44px;
  color: #999999;
}

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

.container_aboutusImg img {
  width: 100%;
}

.container_contactusBox {
  height: 443px;
  background: url('./../img/contactus_bg.png') no-repeat;
  background-size: 100% auto;
  margin-bottom: 154px;
}

.container_contactusBox .contactus_boxs {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding-top: 60px;
}

.container_contactusBox .contactus_boxs .contactus_box {
  background: #FFFFFF;
  box-shadow: 0px 20px 40px 0px rgba(3, 0, 77, 0.04);
  border-radius: 12px;
  padding: 24px 0 24px 44px;
}

.container_contactusBox .contactus_boxs .contactus_box .p1 {
  font-size: 20px;
}

.container_contactusBox .contactus_boxs .contactus_box .p2 {
  font-size: 16px;
  color: #999999;
}

/* 关于我们联系我们结束 */

/* footer开始 */
.container_footer {
  align-items: center;
  height: 416px;
  color: #fff;
  background: url('./../img/footer_bg.png') no-repeat;
  background-size: 100% 416px;
}

.container_footer .footer_phoneNum {
  padding: 10px 0 20px 0;
}

.container_footer .footer_text {
  padding-left: 20px;
  font-size: 20px;
  text-decoration: none;
  color: #fff;
}

.fz16 {
  font-size: 16px !important;
}

.container_footer .footer_right {
  padding-top: 100px;
}

.footer_menu {
  padding-top: 8px;
}

.footer_menu span {
  padding-right: 70px;
  color: #CFD5DE;
}

@media screen and (max-width: 768px) {
  .container_header .header_img {
    width: 180px;
    height: auto;
  }

  .container_header .header_nav {
    font-size: 14px;
  }

  .container_header .header_nav a {
    font-size: 14px;
  }

  .container_carousel {
    height: 250px;
  }

  .container_carousel .first_text,
  .container_carousel .second_text {
    font-size: 36px;
  }

  .container_carousel .carousel_downImg {
    bottom: 10px;
  }

  .container_carousel .third_text {
    font-size: 16px;
    margin-top: 30px;
  }

  .container_aboutus,
  .container_contactus {
    margin: 10px 0;
  }

  .container_aboutus .aboutus_box,
  .container_contactus .contactus_box {
    font-size: 24px;
  }

  .container_aboutus .aboutus_title .aboutus_content,
  .container_contactus .contactus_title .contactus_content {
    font-size: 16px;
    line-height: 30px;
  }

  .container_contactusBox {
    height: auto;
    margin-bottom: 10px
  }

  .container_contactusBox .contactus_boxs {
    padding-top: 0;
  }

  .container_contactusBox .contactus_boxs .contactus_box {
    padding: 4px 0 4px 8px;
    margin-bottom: 4px;
  }

  .container_contactusBox .contactus_boxs .contactus_box .p1 {
    font-size: 14px;
  }

  .container_contactusBox .contactus_boxs .contactus_box .p2 {
    font-size: 12px;
  }

  .container_footer {
    height: 200px;
  }

  .container_footer .footer_right {
    display: none;
  }
}

@media screen and (max-width: 1200px) and (min-width: 768px) {
  .container_carousel {
    height: 500px;
  }

  .container_carousel .first_text,
  .container_carousel .second_text {
    font-size: 60px;
  }

  .container_aboutus {
    margin: 67px 0;
  }

  .container_contactus {
    margin: 60px 0 40px 0;
  }

  .container_contactusBox {
    height: 360px;
    margin-bottom: 50px;
  }

  .container_contactusBox .contactus_boxs {
    padding-top: 0;
  }
}