html {
  font-size: 100px;
}
@media (max-width: 1599px) {
  html {
    font-size: 90px;
  }
}
@media (max-width: 1439px) {
  html {
    font-size: 75px;
  }
}
@media (max-width: 1199px) {
  html {
    font-size: 62px;
  }
}
@media (max-width: 991px) {
  html {
    font-size: 48px;
  }
}
@media (max-width: 767px) {
  html {
    font-size: 36px;
  }
}
/* @media (max-width: 575px) {
  html {
    font-size: 36px;
  }
} */

header {
  position: fixed;
  left: 0;
  top: 0;
}
header .header-top {
  display: none;
}
header .nav > ul > li > a {
  color: #fff;
}
.main {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.main .main-item {
  background-repeat: no-repeat;
  background-position: 0 0;
  background-size: cover;
}
.main .main-item .main-box {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
  z-index: 10;
}
.main .main-item::after {
  background-color: rgba(0, 0, 0, 0.4);
}
.main .main-item .main-txt h2 {
  font-size: 0.5rem;
  color: #da271a;
  text-shadow: 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff,
    0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff,
    0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff,
    0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff,
    0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff;
  letter-spacing: 3px;
  font-family: pangmen;
  font-weight: 500;
}
.main .main-item .main-txt h3 {
  font-size: 0.4rem;
  color: #fff;
  margin-top: 0.2rem;
  font-family: pangmen;
  font-weight: 500;
}
.main .first video {
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: -1000;
}
.main .second {
  background-image: url(../images/1-4.jpg);
}
.main .third {
  background-image: url(../images/1-4.jpg);
}
.main .fourth {
  background-image: url(../images/1-5.jpg);
}
.main .fifth {
  background-image: url(../images/1-2.jpg);
}
.main .sixth {
  background-image: url(../images/1-5.jpg);
}

.main .first .main-txt {
  position: absolute;
  top: 36%;
  left: 0;
  right: 0;
  z-index: 10;
}

.main .second img,
.main .third img {
  max-width: 65%;
  max-height: 82%;
}
.main .second .main-txt {
  margin-left: 0.75rem;
}
.main .third .main-txt {
  margin-right: 0.75rem;
}
.main .second .main-txt h3,
.main .third .main-txt h3 {
  font-size: 0.54rem;
}
.main .second .main-txt p.fature,
.main .third .main-txt p.fature {
  color: #fff;
  font-size: 0.28rem;
  margin-top: 0.28rem;
  line-height: 1.5;
}
.main .second .main-txt ul,
.main .third .main-txt ul {
  margin-top: 0.38rem;
}
.main .second .main-txt ul li,
.main .third .main-txt ul li {
  font-size: 18px;
  position: relative;
  color: #fff;
  padding-left: 0.28rem;
  margin-bottom: 0.4rem;
}
.main .second .main-txt ul li::before,
.main .third .main-txt ul li::before {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 5px;
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 100%;
  background-color: #da271a;
}
/* .main .main-item .btn a, */
.main .main-item .btn a {
  width: 1.8rem;
  height: calc(0.58rem + 4px);
  line-height: 0.58rem;
  font-size: 18px;
  margin-right: 28px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.3);
}
.main .main-item .btn a:last-child {
  margin-right: 0;
}
.main .fourth .main-txt p,
.main .sixth .main-txt p {
  margin-top: 14px;
  margin-bottom: 0.24rem;
  font-size: 20px;
  color: #fff;
}

.main .fourth .item-img .img-box,
.main .sixth .item-img .img-box {
  box-shadow: 0 2px 12px 0 rgba(255, 255, 255, 0.2);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.main .fourth .item-img h3,
.main .sixth .item-img h3 {
  font-size: 20px;
  color: #fff;
  font-weight: 400;
  margin-top: 10px;
}
.main .fourth .item-img:hover h3,
.main .sixth .item-img:hover h3 {
  color: #da271a;
}
.main .fourth .btn,
.main .sixth .btn {
  margin-top: 0.4rem;
}
.main .fifth .fifth-item {
  width: 20%;
  color: #fff;
}
.main .fifth .fifth-item .count {
  font-size: 16px;
  margin-bottom: 0.2rem;
  line-height: 1;
}
.main .fifth .fifth-item .count span {
  font-size: 0.4rem;
  font-weight: 700;
}
.main .fifth .fifth-item p {
  font-size: 20px;
  line-height: 1.5;
}
.main .fifth .cross-line {
  width: 1px;
  height: 0.36rem;
  background-color: #fff;
  margin-left: 0.3rem;
  margin-right: 0.3rem;
}
.main .sixth .main-txt h2,
.main .fourth .main-txt h2 {
  font-size: 0.42rem;
}
.main .sixth .main-txt p {
  font-size: 18px;
}

.main .sixth .item-img .img-box::after {
  background: rgba(0, 0, 0, 0.3) url(../images/1-15.png) no-repeat center;
}
.main .sixth .item-img:hover .img-box::after {
  background-image: url(../images/1-16.png);
}
.main .seventh .main-txt {
  background: url(../images/1-6.jpg);
  padding-top: 0.9rem;
  padding-bottom: 0.3rem;
}
.main .seventh .main-txt h2 {
  font-size: 0.4rem;
}
.main .seventh .main-txt p {
  color: #fff;
  font-size: 18px;
  margin-top: 0.2rem;
}
.main .seventh .hezuo {
  margin-top: 1rem;
}
.main .seventh .hezuo h3 {
  font-size: 0.4rem;
  color: #da271a;
  margin-bottom: 0.18rem;
}
.main .seventh .hezuo .ewm {
  margin-top: 0.3rem;
  margin-right: 0.6rem;
}
.main .seventh .hezuo .ewm:last-child {
  margin-right: 0;
}
.main .seventh .hezuo .ewm img {
  width: 1.2rem;
  height: 1.2rem;
}
.main .seventh .bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #222;
  color: #fff;
  font-size: 18px;
  line-height: 36px;
  height: 36px;
}
.main .seventh .bottom a {
  color: #fff;
}
.main .seventh .bottom img {
  width: 20px;
}
@media (max-width: 1599px) {
  .main .fourth .container,
  .main .sixth .container {
    max-width: 1200px;
  }
  .main .fourth .main-box,
  .main .sixth .main-box {
    align-items: flex-end;
    padding-bottom: 0.2rem;
  }
}
@media (max-width: 1439px) {
  .main .fourth .item-img .img-box,
  .main .sixth .item-img .img-box {
    max-height: 300px;
  }
  .main .fourth .main-txt p,
  .main .sixth .main-txt p {
    font-size: 18px;
  }
  .main .fourth .item-img h3,
  .main .sixth .item-img h3 {
    font-size: 18px;
  }
  .main .fifth .fifth-item p {
    font-size: 18px;
  }
  .main .seventh .hezuo .ewm {
    margin-top: 0;
  }
}
@media (max-width: 1199px) {
  .main .second .main-txt ul li,
  .main .third .main-txt ul li {
    font-size: 16px;
  }
  .main .main-item .btn a {
    font-size: 16px;
  }
  .main .fourth .main-txt p,
  .main .sixth .main-txt p {
    font-size: 16px;
  }
  .main .fourth .item-img h3,
  .main .sixth .item-img h3 {
    font-size: 16px;
  }
  .main .fourth .item-img .img-box,
  .main .sixth .item-img .img-box {
    max-height: 230px;
  }
  .main .fifth .fifth-item p {
    font-size: 16px;
  }
  .main .seventh .hezuo .hz-img img {
    max-width: 50%;
    max-height: 190px;
  }
  .main .seventh .bottom {
    font-size: 16px;
    height: 30px;
    line-height: 30px;
  }
}
@media (max-width: 991px) {
  .main .second .main-txt p.fature,
  .main .third .main-txt p.fature {
    font-size: 16px;
  }
  .main .main-item .btn a {
    font-size: 14px;
  }
  .main .sixth .main-txt h2,
  .main .fourth .main-txt h2 {
    font-size: 24px;
  }
  .main .fourth .main-txt p,
  .main .sixth .main-txt p {
    line-height: 1.2;
  }
  .main .fifth .fifth-item p {
    font-size: 14px;
  }
  .main .seventh .main-txt {
    padding-top: 80px;
  }
  .main .seventh .main-txt h2 {
    font-size: 24px;
  }
}
@media (max-width: 767px) {
  header .nav > ul > li > a {
    color: #222;
  }
  .main .main-item .main-txt h2 {
    font-size: 24px;
  }
  .main .main-item .main-txt h3 {
    font-size: 18px;
  }
  .main .second .main-txt {
    margin-left: 0;
  }
  .main .second .main-txt h3,
  .main .third .main-txt h3 {
    font-size: 24px;
  }
  .main .second .main-txt p.fature,
  .main .third .main-txt p.fature {
    font-size: 14px;
  }
  .main .second .main-txt ul li,
  .main .third .main-txt ul li {
    font-size: 14px;
  }
  .main .second .main-txt ul li::before,
  .main .third .main-txt ul li::before {
    width: 5px;
    height: 5px;
    left: 0;
  }
  .main .main-item .btn a {
    width: 80px;
    height: 30px;
    line-height: 26px;
    margin-right: 12px;
  }
  .main .third .main-txt {
    margin-right: 0;
  }
  .main .fourth .item-img h3,
  .main .sixth .item-img h3 {
    font-size: 14px;
  }
  .main .fifth .fifth-item .count span {
    font-size: 18px;
  }

  .main .seventh .main-txt h2,
  .main .sixth .main-txt h2,
  .main .fourth .main-txt h2 {
    font-size: 20px;
  }
  .main .fourth .main-txt p,
  .main .sixth .main-txt p {
    font-size: 14px;
  }
}
@media (max-width: 575px) {
  .main .second .main-box,
  .main .third .main-box {
    flex-wrap: wrap;
    padding-top: 70px;
    align-items: normal;
    padding-bottom: 50px;
  }
  .main .second img,
  .main .third img {
    max-width: 100%;
    width: 100%;
  }
  .main .fourth .main-box,
  .main .sixth .main-box {
    align-items: center;
  }
  .main .main-item .main-txt h2 {
    line-height: 1.5;
  }
  .main .fifth .main-box {
    flex-wrap: wrap;
  }
  .main .seventh .hezuo .hz-img img {
    max-width: 90%;
  }
}