@charset "UTF-8";
/* CSS Document */
html {
  font-size: 16px;
  font-family: "微软雅黑"
}
html, body, div, p, header, h1, h2, h3, ul, li, img, a {
  margin: 0px;
  padding: 0px
}
ul, li, a {
  list-style-type: none;
  text-decoration: none;
  color: #000
}
.clear {
  clear: both
}
#str_main a:hover {
  color: #DD781E
}
.hr {
  margin: 0.6rem 0;
  clear: both
}
.ten-margin {
  margin-right: 10%
}
.two-margin {
  margin-right: 2%
}
header {
  background-image: url("../images/top_tdr.jpg");
  background-position: center top;
  background-repeat: no-repeat;
  background-size: cover;
  line-height: 1;
  padding: 13.2vw 2em;
}
#str_main {
  width: 85%;
  margin: 0 auto;
}
#str_main p {
  font-size: 12px;
  line-height: 21px;
  color: #959595;
  font-weight: 300
}
#str_main .box {
  width: 45%;
  margin-top: 4rem;
  float: left;
}

#str_main .box .title {
  margin-bottom: .5rem;
}
#str_main .box .title h2, #str_main .box-big .title h2{
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 0;
}
#str_main .box .title h2 a{
  color:#000;
  text-decoration: none
}
#str_main .box .video {
  width: 72%;
  float: left;
  margin-right: 15px
}
#str_main .box .text {
  width: 22%;
  float: left;
}
#str_main .box-big {
  width: 98%;
  margin-top: 2rem;
  float:none
}
#str_main .box-big .piclist {
  margin-top: 10px;
  background: #fff;
  padding: 1.5rem;
  transition: all .3s ease;
  box-shadow: 0 0 1.5rem rgba(9, 41, 77, .12);
}
.piclist ul{
  height: 110px;
 padding-left:0;
}
.piclist ul li {
  height: 110px;
  margin-right: 13px;
  float: left;
}
.piclist ul li img {
  height: 110px;
}
#str_main .news {
  margin-top: 1rem;
}
#str_main .news p {
  line-height: 22px;
  color: #949494;
  font-size: 12px;
}
#str_main .news img {
  float: left;
  margin-right: 20px;
  max-width: 45%
}
#str_main .t-news ul {
  padding-left: 0px;

  clear: both
}
#str_main .t-news li {
  border-bottom: 1px solid #e2e2e2;
  line-height: 2rem;
}
#str_main .news a, #str_main .t-news a {
  color:#202020;
  text-decoration: none;
  font-size: 14px;
}
#str_main .news a:hover, #str_main .t-news a:hover{
  color:#D21E21;
}
/*调整轮播按钮*/
#str_main .carousel-indicators {
  bottom: -1.4rem;
}
#str_main .carousel-indicators [data-bs-target] {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #878787;
}
#str_main .carousel-indicators .active {
  background-color: #b0ed56;
}
#str_main .carousel-item {
  padding-bottom: 1.6rem
}
/* 手机端适配样式 */
@media screen and (max-width:599px) {
  html {
    font-size: 15px;
  }
  header {
    padding: 15vw 2em;
    text-align: center;
    background-size: cover;
  }
  #str_main {
    width: 94%;
    margin: 1rem auto;
    padding-bottom: 3rem;
  }
  #str_main h6 {
    font-size: 14px;
  }
  #str_main .box {
    width: 100%;
    margin-top: 2rem;
    clear: both;
    float: none;
  }
  #str_main .box .title h2,
  #str_main .box .title .headtitle h2,
  #str_main .box-big .title h2 {
    font-size:20px;
  }
  #str_main .box .title .headtitle h3 {
    font-size: 13px;
    font-weight: 400;
    color: #666;
  }
  #str_main .box .video {
    width: 100%;
    float: none;
    margin-right: 0;
  }
  #str_main .box .text {
    width: 100%;
    float: none;
  }
  #str_main .box-big {
    width: 100%;
    margin-top: 2rem;
    float: none;
  }
  .piclist ul,
  .piclist ul li,
  .piclist ul li img {
    height: auto;
    width: 100%;
    margin-right: 0;
  }
  #str_main .news {
    display: flex;
    align-items: flex-start;
    gap: 4%;
  }
  #str_main .news img {
    width: 40%;
    max-width: 40%;
    margin: 0;
    display: block;
  }
  #str_main .news a {
    width: 54%;
    font-size: 14px;
    display: block;
    margin: 0 0 0 0;
    line-height: 1.5;
    align-self: flex-start;
  }
  #str_main .news p {
    display: none; /* 手机端隐藏p，仅显示主标题 */
  }
  #str_main .carousel-item {
    padding-bottom: 1rem;
  }
  .piclist ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px; /* 可根据需要调整图片间距 */
    padding-left: 0;
  }
  .piclist ul li {
    width: 48%;   /* 两张图片一行，留2%间距 */
    margin-right: 0;
    margin-bottom: 8px;
    float: none;
    box-sizing: border-box;
  }
  .piclist ul li img {
    width: 100%;
    height: auto;
    display: block;
  }
}