/* 通用 */
@font-face {
  font-family: 'Huiwen-mincho';
  src: url('../fonts/Huiwen-mincho.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'LXGW XiHei MN';
  src: url('../fonts/LXGWXiHeiMN.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}
body {
  background: none;
  font-size: 16px;
  font-weight: normal;
  overflow-x: hidden;
  position: relative;
}
a {
  text-decoration: none;
}
a:active,
a:hover,
a:focus {
  text-decoration: none;
}
img {
  max-width: 100%;
}
.inner {
  box-sizing: border-box;
  position: relative;
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.inner750 {
  width: 750px;
}
.w-row {
  display: flex;
  justify-content: space-between;
}
.mousewheel{
  text-align: center;
  margin-top: 120px;
}
/* 头部header 开始 */
/* 头部header 结束 */
/* 滚动条 开始 */
/* 滚动条 结束 */
.zt_side_nav {
  z-index: 999;
  position: absolute;
  /* top: 1800px; */
  top: 940px;
  right: 40px;
  width: 340px;
}
.zt_side_nav .side_nav_1st {
  margin-top: 40px;
  display: flex;
  font-family: LXGW XiHei MN;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: normal;
  color: #333;
}
.zt_side_nav .side_nav_1st div {
  display: flex;
  flex-direction: column;
}
.zt_side_nav .side_nav_2nd {
  margin-top: 10px;
  display: block;
  font-size: 12px;
  font-weight: normal;
  line-height: 16px;
  text-align: justify;
  /* 浏览器可能不支持 */
  letter-spacing: normal;
  color: #666666;
  padding-left: 63px;
}
.zt_side_nav .side_nav_2nd:hover,
.zt_side_nav .side_nav_2nd.active {
  color: #993d21;
}
.zt_side_nav .side_nav_2nd span {
  padding-left: 15px;
}
.zt_side_nav.fixed {
  position: fixed;
  top: 0px;
}
[id*='section'] {
  position: relative;
  /* 确保offset计算准确 */
}
.p {
  margin: 10px 0;
  font-family: LXGW XiHei MN;
  font-size: 14px;
  font-weight: normal;
  line-height: 2;
  color: #000;
  text-align: justify;
  word-break: break-word;
}
.p a:hover {
  color: #993d21;
}
.p img {
  vertical-align: middle;
  margin-top: -3px;
  margin-right: 8px;
}
.under_link {
  text-decoration: underline !important;
  word-break: break-all;
  color: #0f58bc;
}
.under_link:hover {
  color: #993d21;
}
.tal {
  text-align: left;
}
.tac {
  text-align: center;
}
.tar {
  text-align: right;
}
.fz12 {
  font-size: 12px;
}
.fz13 {
  font-size: 13px;
}
.fz14 {
  font-size: 14px;
}
.fz15 {
  font-size: 15px;
}
.fz16 {
  font-size: 16px;
}
.fz17 {
  font-size: 17px;
}
.fz18 {
  font-size: 18px;
}
.fz19 {
  font-size: 19px;
}
.fz20 {
  font-size: 20px;
}
.fz21 {
  font-size: 21px;
}
.fz22 {
  font-size: 22px;
}
.fz23 {
  font-size: 23px;
}
.fz24 {
  font-size: 24px;
}
.fz25 {
  font-size: 25px;
}
.fz26 {
  font-size: 26px;
}
.fz27 {
  font-size: 27px;
}
.fz28 {
  font-size: 28px;
}
.fz29 {
  font-size: 29px;
}
.fz30 {
  font-size: 30px;
}
.theme_color {
  color: #993d21;
}
.theme_color2 {
  color: #cb4020;
}
.inline_block {
  display: inline-block;
}
.block {
  display: block;
}
.title_1st {
  margin-bottom: 120px;
  font-family: Huiwen-mincho;
  font-size: 28px;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: normal;
  color: #355660;
}
.title_1st p:nth-child(2) {
  font-size: 44px;
}
.dy {
  font-family: Huiwen-mincho;
  font-size: 22px;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: normal;
  color: #355660;
}
.title_2nd {
  margin-top: 120px;
  margin-bottom: 120px;
  display: flex;
  justify-content: center;
  font-family: Huiwen-mincho;
  font-size: 36px;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: normal;
  color: #993d21;
}
.title_2nd div {
  margin-left: 15px;
  display: flex;
  flex-direction: column;
}
.title_2nd div span:nth-child(2) {
  font-size: 28px;
}
.title_3rd {
  margin-top: 120px;
  margin-bottom: 60px;
  font-family: Huiwen-mincho;
  font-size: 20px;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: normal;
  color: #000000;
}
.title_3rd span {
  position: relative;
}
.title_3rd span::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 100%;
  width: 132px;
  height: 12px;
  background: url(../images/title_3bg.png) no-repeat right center;
  background-size: contain;
}
.p_img {
  display: block;
  margin: 20px auto;
}
.gray_box {
  margin-top: 20px;
  margin-bottom: 20px;
  background: #f8f8f8;
  border: 1px solid #f8f8f8;
  padding: 10px 20px;
}
.img_text {
  margin-top: 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  background: #f8f8f8;
}
.img_text > img {
  width: 307px;
  height: 349px;
}
.img_text .text {
  width: calc(100% - 307px);
  height: 100%;
  background: #f8f8f8;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.vs_box {
  position: relative;
}
.vs_box::after {
  z-index: 2;
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: url(../images/img_vs.png) no-repeat center;
  background-size: contain;
}
.img_mask_box,
.img_mask_box2 {
  position: relative;
}
.img_mask_box .mask_title,
.img_mask_box2 .mask_title {
  padding: 0 1em;
  height: 42px;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.6);
  text-align: center;
  line-height: 1.1;
  font-size: 14px;
  font-weight: normal;
  color: #000000;
}
.img_mask_box img,
.img_mask_box2 img {
  display: block;
  width: 100%;
  height: 244px;
  object-fit: cover;
  transition: all 0.3s;
}
.img_mask_box2 .mask_title {
  height: 111px;
  background: rgba(0, 0, 0, 0.5);
  line-height: 2;
  text-align: justify;
  font-size: 14px;
  color: #ffffff;
}
.img_mask_box2 img {
  height: 271px;
}
.img27_box {
  position: relative;
}
.img27_box .img27_box_img {
  width: 106px;
  height: 237px;
  z-index: 9;
  position: absolute;
  top: 90px;
  right: 0;
}
.img29_box {
  position: relative;
  padding-bottom: 64px;
}
.img29_box .brown_box {
  width: 406px;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  bottom: 0px;
  background: #993d21;
}
.img29_box .brown_box .p {
  text-align: center;
  color: #fff;
}
.p3_img_box {
  margin: 60px 0;
}
.p3_img_box .gray_box {
  margin-bottom: 0;
}