html,
body {
  font-size: 24px;
}

.max-750 {
  max-width: 750px;
  margin: 0 auto;
}

.container {
  max-width: 750px;
}

/* 视频模态框样式 */
.video_modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);

  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.video_modal.show {
  opacity: 1;
  visibility: visible;
}

.video_modal_content {
  position: relative;
  width: 100%;
  max-width: 1200px;
  background-color: #000;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
}

.video_close {
  border-radius: 50%;
  overflow: hidden;
  width: 2.5rem /* 60/24 */;
  height: 2.5rem /* 60/24 */;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  top: .416667rem /* 10/24 */;
  right: .625rem /* 15/24 */;
  color: #ffffff;
  font-size: 2rem;
  line-height: 2rem;
  cursor: pointer;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.video_close span{
transform: translateY(-4px);
}


.video_close:hover {
  background-color: var(--base_color);
}

.video_container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 比例 */
  height: 0;
  overflow: hidden;
}

.video_container #playercontainer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.jw-error .jw-preview,
.jw-stretch-uniform .jw-preview,
.jwplayer .jw-preview {
  background-size: 100% auto !important;
}

/* 视频播放按钮悬停效果 */

/* 头部样式 */
#name_box_w {
  width: 100%;
  height: 5rem /* 120/24 */;
  padding: 0 15%;
  transition: all 0.3s ease;
}

#name_box_w .container {
  height: 100%;
}

#header_logo {
  height: 100%;
  display: flex;
  align-items: center;
}

#header_logo img {
  max-height: 4rem;
  transition: all 0.3s ease;
}

/* 导航 */
#header_nav {
  background: url(../images/nav_bg.jpg) center;
}

.navI > li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  border-right: 0.041667rem /* 1/24 */ solid rgba(255, 255, 255, 0.2);
}
.navI > li:nth-child(4n) {
  border-right: 0;
}

/* 第4个li及以后 */
.navI > li:nth-child(n + 5) {
  border-bottom: 0;
}

.navI > li > a {
  display: block;
  padding: 0 0.833333rem /* 20/24 */;
  font-size: 1.166667rem /* 28/24 */;
  color: #ffffff;
  position: relative;
  height: 3.625rem /* 87/24 */;
  line-height: 3.625rem /* 87/24 */;
  text-align: center;
}

.navI > li > a:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: #ffffff;
  transition: all 0.3s ease;
}

.navI > li:hover > a:after,
.navI > li.active > a:after {
  width: 100%;
  height: 3px;
}

.navI > li:hover > a,
.navI > li.active > a {
  color: #fff;
  background-color: #8d1109;
}

/* Banner样式 */
.banner_s {
  width: 100%;
  overflow: hidden;
}

.banner_s img {
  width: 100%;
  height: auto;
}

/* 页面Banner */
#page_banner_box {
  position: relative;
}

#banner_cover {
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0) 50%,
    rgba(0, 0, 0, 0.5)
  );
}

.box_header .title_box {
  font-size: 2.75rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.box_header .desc_box {
  font-size: 1.5rem;
  opacity: 0.9;
}

/* 位置导航 */
#location {
  padding: 1.875rem 0;
}

/* 子导航 */
#subNav_box {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 2;
}

.navCur {
  width: 11.875rem /* 285/24 */;
  height: 3.458333rem /* 83/24 */;
  background: url("../images/nav_cur.png") no-repeat center;
  background-size: cover;
}

.navCur p {
  font-size: 1.083333rem /* 26/24 */;
  color: #ffffff;
  padding-left: 1.666667rem /* 40/24 */;
}

.subNav li a {
  font-size: 0.75rem /* 18/24 */;
  color: #ffffff;
  padding-left: 0.666667rem /* 16/24 */;
  position: relative;
}
.subNav li a::before {
  content: "";
  width: 0.25rem /* 6/24 */;
  height: 0.25rem /* 6/24 */;
  background-color: #ffffff;
  display: block;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.subNav li a:hover {
  color: var(--second_color);
}

.line_bg {
  height: 3px;
  background: url("../images/line_bg.gif") repeat-x center;
  margin-top: 1.25rem /* 30/24 */;
  margin-bottom: 1.25rem /* 30/24 */;
}
.mainInfo {
  font-size: 1.166667rem /* 28/24 */;
  line-height: 2;
}

/* 页脚样式 */
#footer {
  margin-bottom: 4.583333rem /* 110/24 */;
  padding: 1.666667rem /* 40/24 */;
  background: #973630;
}

#footer_main {
  color: #d4c4ab;
  font-size: 1rem /* 24/24 */;
  line-height: 1.75;
}

/* 子页面布局 */
#page_left {
  width: 22%;
  float: left;
}

#page_right {
  width: 74%;
  float: right;
  margin-left: 4%;
}

#page_right .page_title {
  margin-bottom: 1.5rem;
}

#page_right .page_title .title {
  font-size: 1.875rem;
  font-weight: bold;
  padding-left: 1rem;
  border-left: 0.3rem solid var(--base_color);
}

/* 通用区块 */
.section_box,
#section_box {
  padding-top: 0;
  padding-bottom: 3rem;
}

.section_box,
#section_box,
#section_box_1 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

/* 通用标题 */
.section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: bold;
  margin-bottom: 0.75rem;
  color: var(--text_color);
}

.section-title p {
  font-size: 1.125rem;
  color: var(--light_text);
}

/* Swiper样式 */
.flash_all .swiper-pagination {
  bottom: 1.5rem;
}

.flash_all .swiper-pagination .swiper-pagination-bullet {
  width: 0.75rem;
  height: 0.15rem;
  border-radius: 0;
  background-color: rgba(255, 255, 255, 0.5);
  margin: 0 0.3rem;
  transition: all 0.3s ease;
}

.flash_all .swiper-pagination-bullet-active {
  background-color: var(--base_color);
  padding: 0 1.25rem;
}

.flash_all .swiper-button-next,
.flash_all .swiper-button-prev {
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  color: #fff;
}

.flash_all .swiper-button-next:hover,
.flash_all .swiper-button-prev:hover {
  background-color: var(--base_color);
}

.swiper-button-prev:after,
.swiper-button-next:after {
  font-size: 1.25rem;
}