body {
  background-color: #FFFFFF;
}


/* banner-start */
#blog-banner {
  margin-top: -100px;
}

/* 添加渐变背景 */
.bannercontainer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 10%);
  z-index: 1;
}

.bannercontainer {
  position: relative;
  z-index: 2;
}

.bannercontainer .content {
  position: absolute;
  top: 0%;
  left: 0%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
}

.bannercontainer .content h1 {
  font-size: 160px;
  color: #FFFFFF;
  line-height: 200px;
  text-transform: uppercase;
  text-align: center;
  position: relative;
}

.bannercontainer .content h1::after {
  content: '';
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 2px dashed #00303F;
  position: absolute;
  top: -105%;
  left: 17%;

}

.bannercontainer .scrolldown {
  background: url(../pics/scroll-button.png) center;
  background-repeat: no-repeat;
  width: 106px;
  height: 106px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  bottom: 5%;
  left: 48%;
  animation: spin 20s linear infinite;
  cursor: pointer;
  z-index: 3;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.bannercontainer .scrolldown>div {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: #FFFFFF;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: reverse-spin 20s linear infinite;
}

/* 定义反向旋转动画的关键帧 */
@keyframes reverse-spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(-360deg);
  }
}

/* banner-end */


/* blog-start */
#blog {
  padding: 100px 0;
}

.blogcontainer {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
}

.blogcontainer ul {
  display: flex;
  /* flex-wrap: wrap; */
  column-gap: 3.5em;
  margin-bottom: 60px;
}

.blogcontainer ul li {
  width: 31.1%;
}

.blogcontainer ul li .tit h3 {
  font-size: 55px;
  color: rgba(0, 0, 0, 0.8);
  line-height: 70px;
  margin-bottom: 30px;
}

.blogcontainer ul li .tit span {
  font-size: 18px;
  color: rgba(0, 0, 0, 0.4);
  line-height: 25px;
}

.blogcontainer ul li .tit p {
  font-weight: bold;
  font-size: 22px;
  color: rgba(0, 0, 0, 0.8);
  line-height: 33px;
  margin: 10px 0 15px 0;
}

.blogcontainer ul li>div>a {
  overflow: hidden;
  display: inline-block;
}

.blogcontainer ul li>div>a>img {
  transition: all 0.3s ease-in-out;
}

.blogcontainer ul li>div>a>img:hover {
  transform: scale(1.1);
}

.blogcontainer ul li .cont p {
  font-size: 20px;
  color: rgba(0, 0, 0, 0.6);
  line-height: 30px;
  margin: 20px 0 40px 0;
}

.blogcontainer ul li .cont a {
  font-size: 14px;
  color: rgba(0, 0, 0, 0.4);
  line-height: 20px;
  font-weight: bold;
}

.blogcontainer ul li .cont a>img {
  padding-left: 5px;
}

.blogcontainer ul li .cont a:hover {
  color: #359f7e;
}

/* blog-end */

/* blog-detail-start */
#blogpage-banner {
  margin-top: -100px;
}

.blogdetailcontainer {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  background-color: #FFFFFF;
  margin-top: -150px;
  position: relative;
  z-index: 2;
  padding: 70px;
}

.blogdetailcontainer h3 {
  font-size: 38px;
  color: rgba(0, 0, 0, 0.8);
  line-height: 55px;
  text-transform: uppercase;
  margin-top: 0;
  margin-bottom: 20px;
  font-weight: bold;
}

.blogdetailcontainer span {
  font-size: 16px;
  color: #255E3D;
  line-height: 22px;
  text-transform: uppercase;
}

.blogdetailcontainer p {
  font-size: 20px;
  color: rgba(0, 0, 0, 0.8);
  line-height: 45px;
  margin: 30px 0;
}

/* blog-detail-end */



/* 手機端 */
@media screen and (max-width:1400px) {
  .bannercontainer .content h1{
    font-size: 130px;
  }
  .bannercontainer .content h1::after{
    width: 300px;
    height: 300px;
    top: -28%;
    left: 33%;
  }
}
@media screen and (max-width:992px) {
  #blog-banner {
    margin-top: 0;
  }

  #blogpage-banner {
    margin-top: 0;
  }

  #blogdetail {
    padding: 30px 0;
  }

  .blogdetailcontainer {
    margin-top: 0;
    padding: 0 15px;
  }
  .blogcontainer ul {
    display: flex;
    column-gap: 2.5em;
  }
  .bannercontainer .content h1{
    font-size: 100px;
  }
  .bannercontainer .content h1::after{
    width: 300px;
    height: 300px;
    top: -30%;
    left: 26%;
  }
  .bannercontainer .scrolldown{
    bottom: 0;
    left: 45%;
  }
}

@media screen and (max-width:768px) {

  /* banner-start */
  #blog-banner {
    margin-top: 0;
  }

  .bannercontainer .content h1 {
    font-size: 24px;
    line-height: 30px;
  }

  .bannercontainer .content h1::after {
    width: 100px;
    height: 100px;
    top: -130%;
    left: 12%;
  }

  .bannercontainer .scrolldown {
    bottom: 0%;
    left: 44%;
    background: url(../images/mobile-scroll.png) no-repeat;
    background-position: center;
    width: 50px;
    height: 50px;
  }

  .bannercontainer .scrolldown>div {
    width: 30px;
    height: 30px;
  }

  .bannercontainer .scrolldown>div>svg {
    width: 15px;
    height: 15px;
  }

  /* banner-end */

  /* blog-start  */
  #blog {
    padding: 30px 0;
  }

  .blogcontainer ul {
    flex-direction: column;
    row-gap: 2em;
  }

  .blogcontainer ul li {
    width: 100%;
  }

  .blogcontainer ul li .tit h3 {
    font-size: 50px;
    line-height: 50px;
    margin-bottom: 15px;
  }

  .blogcontainer ul li .tit span {
    font-size: 17px;
  }

  .blogcontainer ul li .tit p {
    font-size: 20px;
    line-height: 30px;
  }

  .blogcontainer ul li .cont p {
    font-size: 18px;
    line-height: 30px;
    margin: 20px 0;
  }

  /* blog-end  */


  /* 子頁面 */
  #blogpage-banner {
    margin-top: 0;
  }
  #blogpage-banner .bannercontainer>img{
    height: 100px !important;
  }

  /* blogdetail-start */
  #blogdetail {
    padding: 30px 0;
  }

  .blogdetailcontainer {
    margin-top: 0;
    padding: 0 15px;
  }

  .blogdetailcontainer h3 {
    font-size: 28px;
    line-height: 40px;
  }

  .blogdetailcontainer span {
    font-size: 13px;
    line-height: 20px;
  }

  .blogdetailcontainer p {
    font-size: 15px;
    line-height: 32px;
    margin: 25px 0;
  }

  /* blogdetail-end */

}