* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
ul, li {
  list-style: none;
}
a {
  text-decoration: none;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
:root {
  --x-base-color: #33bb44;
  --x-base-hover-color: #22AA44;
}
.container {
  width: 1200px;
  margin: auto;
}
@media screen and (max-width: 1200px) {
  .container {
    width: 100%;
    padding: 0 10px;
  }
  .header-des {
    display: none;
  }
}
@media screen and (max-width: 450px) {
  .container {
    width: 100%;
    padding: 0 5px;
  }
}
.header {
  position: fixed;
  width: 100%;
  height: 80px;
  padding: 15px 0;
  background-color: #fff;
  overflow: hidden;
  z-index: 10;
}
.header-station {
  height: 80px;
}
.header-fiexd {
  box-shadow: 0px 3px 5px #bbb;
}
.logo {
  height: 50px;
}
.logo a {
  display: block;
  height: 100%;
}
.logo img {
  height: 100%;
}
.header-des {
  margin-top: 10px;
  line-height: 40px;
  font-size: 20px;
  margin-left: 10px;
}
.header-des span{
  color: #FF2200;
  font-weight: 700;
}
.color-red {
  color: #FF2200;
}
.copy-btn {
  height: 50px;
  line-height: 50px;
  padding: 0 30px;
  background-color: var(--x-base-color);
  border-radius: 5px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
}
.copy-btn:hover {
  background-color: var(--x-base-hover-color);
}
.banner {
  position: relative;
}
.banner img {
  width: 100%;
}
.banner-text {
  width: 100%;
  text-align: center;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
}
.banner-text p {
  font-size: 40px;
  color: #fff;
  margin-bottom: 15px;
}
.banner-text span {
  font-size: 20px;
  color: #fff;
}
@media screen and (max-width: 450px) {
  .header {
    height: 60px;
    padding: 8px 0;
  }
  .header-station {
    height: 60px;
  }
  .logo {
    height: 44px;
  }
  .header-des {
    display: none;
  }
  .copy-btn {
    height: 44px;
    line-height: 44px;
    padding: 0 20px;
  }
  .banner-text p {
    font-size: 30px;
    margin-bottom: 10px;
  }
  .banner-text span {
    font-size: 16px;
  }
}
.introduce {
  padding-top: 30px;
  padding-bottom: 30px;
}
.title {
  text-align: center;
  margin-bottom: 30px;
}
.title h2 {
  font-size: 40px;
  line-height: 60px;
  color: var(--x-base-color);
  font-weight: 700;
  margin-bottom: 8px;
}
.title span {
  font-size: 18px;
  color: #666;
  line-height: 30px;
}

.section-title h3 {
  font-size: 40px;
  line-height: 60px;
  color: var(--x-base-color);
  font-weight: 700;
  margin-bottom: 8px;
  text-align:center;
}
.section-title .TitleColor{ color:#F00; font-weight:bold;}
.section-title p {
  font-size: 18px;
  color: #666;
  line-height: 30px;
}

.introduce-content {
  overflow: hidden;
}
.introduce-img {
  width: 30%;
}
.introduce-img img{
  width: 100%;
}
.introduce-main {
  width: 70%;
  padding: 30px 0 30px 30px;
}
.introduce-main p {
  line-height: 24px;
  font-size: 16px;
  text-indent: 2em;
}
@media screen and (max-width: 450px) {
  .introduce {
    padding-top: 15px;
    padding-bottom: 15px;
  }
  .introduce-img {
    width: 100%;
  }
  .introduce-main {
    width: 100%;
    padding: 10px 0 10px 0px;
  }
  .title {
    margin-bottom: 15px;
  }
  .title h2 {
    font-size: 30px;
    line-height: 50px;
  }
}
.promotion-content {
  overflow: hidden;
}
.promotion-content ul {
  margin: 0 -15px;
  overflow: hidden;
  padding-bottom: 5px;
  /* display: flex;
  display: -webkit-box;
  display: -ms-flexbox; */
}
.promotion-content ul li {
  width: 33.333333%;
  float: left;
  padding: 0 15px;
  /* display: flex;
  display: -webkit-box;
  display: -ms-flexbox; */
}
.promotion-box {
  box-shadow: 0px 4px 8px rgba(51, 187, 68, 0.2);
}
.promotion-img{
  overflow: hidden;
}
.promotion-img img {
  width: 100%;
}
.img-hover {
  transition: all 0.5s ease;
}
.img-hover:hover {
  transform: scale(1.1);
  -webkit-transform: scale(1.1);
  transform-origin: center center;
}
.promotion-main {
  padding: 20px;
}
.promotion-main h3{
  font-size: 30px;
  margin-bottom: 10px;
}
.promotion-main p {
  line-height: 40px;
  font-size: 14px;
  height: 144px;
  overflow: hidden;
}
@media screen and (max-width: 450px) {
  .promotion-content ul {
    margin: auto;
  }
  .promotion-content ul li {
    width: 100%;
    padding: 0;
    margin-bottom: 10px;
  }
  .promotion-content ul li:last-child {
    margin: 0;
  }
  .promotion-main h3{
    font-size: 20px;
  }
  .promotion-main p {
    height: auto;
  }
}
.sort-content ul li:nth-child(1) .sort-title {
  background-image: url(../image/sort-img001.png)
}
.sort-content ul li:nth-child(2) .sort-title {
  background-image: url(../image/sort-img002.png)
}
.sort-content ul li:nth-child(3) .sort-title {
  background-image: url(../image/sort-img003.jpg)
}
.sort-box {
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
  width: 100%;
}
.sort-title {
  height: 60px;
  line-height: 60px;
  padding: 0 15px;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}
.sort-title p.fl {
  font-size: 20px;
}
.sort-title p.fr b {
  font-size: 30px;
}
.sort-main p{
  line-height: 40px;
  font-size: 14px;
  padding: 30px;
}
@media screen and (max-width: 450px) {
  .sort-main p{
    padding: 20px;
  }
}
.new-content {
  margin-bottom: 20px;
}
.new-content:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
}
.news-main {
  padding: 20px 0 0 30px;
  color: #000;
}
.news-title {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 5px;
}
.news-date {
  font-size: 16px;
  margin-bottom: 10px;
}
@media screen and (max-width: 450px) {
  .news-main {
    padding: 0px;
  }
  .news-title {
    font-size: 20px;
  }
  .new-content {
    border-bottom: #ddd solid 1px;
    padding-bottom: 20px;
  }
}
.footer {
  padding: 50px 0;
  background-color: #1f1e1e;
}
.footer-content {
  text-align: center;
  color: #fff;
}
.footer-content p{
  line-height: 30px;
}
.footer-content p a {
  color: #fff;
}
.footer-content p a:hover {
  color: #ccc;
}