html,body {
    font-size: 16px;
  }
  
  .container {
    max-width: 1464px;
  }
  
  /* 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: 80%;
    max-width: 1200px;
    background-color: #000;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
  }
  
  .video_close {
    position: absolute;
    top: 10px;
    right: 15px;
    color: var(--second_color);
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
  }
  
  .video_close:hover {
    color: var(--base_color);
  }
  
  .video_container {
    position: relative;
    /* padding-bottom: 56.25%; 16:9 比例 */
    padding-bottom: 57.5%;
    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 */
  
  /* 统一header */
  #name_box_w {
    width: 100%;
    height: 5.5rem /* 88/16 */;
    transition: all 0.5s ease;
    background-color: #ffffff;
    z-index: 99;
    position: relative;
  }
  
  #index #name_box_w {
    height: 6.875rem /* 110/16 */;
    background-color: rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    top: 0;
    left: 0;
  }
  
  #name_box_w .container {
    height: 100%;
  }
  
  #name_box_w .container #header_nav {
    height: 100%;
    padding: 0 5rem; /* 80/16 */
  }
  
  #name_box_w .container #header_nav > ul {
    height: 100%;
  }
  
  #name_box_w #header_logo img {
    transition: all 0.5s ease;
    max-height: 4rem; /* 64/16 */
  }
  
  .logo-white {
    width: 0;
    height: 0;
    visibility: hidden;
    opacity: 0;
  }
  
  .logo-black {
    width: auto;
    height: auto;
    visibility: visible;
    opacity: 1;
  }
  
  #index .logo-white {
    width: auto;
    height: auto;
    visibility: visible;
    opacity: 1;
  }
  
  #index .logo-black {
    width: 0;
    height: 0;
    visibility: hidden;
    opacity: 0;
  }
  
  /* 下拉样式 */
  #name_box_w.boxshow {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4.25rem /* 68/16 */ !important;
    background-color: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0.1875rem rgba(0, 0, 0, 0.1);
  }
  
  #name_box_w.boxshow .navI > li .children {
    top: 5rem;
  }
  
  #name_box_w.boxshow #header_logo img {
    transition: all 0.5s ease;
    max-height: 2.5rem; /* 40/16 */
  }
  
  #name_box_w.boxshow #header_logo img.logo-black {
    width: 0;
    height: 0;
    visibility: hidden;
    opacity: 0;
  }
  
  #name_box_w.boxshow #header_logo img.logo-white {
    width: auto;
    height: auto;
    visibility: visible;
    opacity: 1;
  }
  
  #banner_box.boxshow,
  #page_banner_box.boxshow {
    margin-top: 3.75rem;
  }
  
  /* 主导航 */
  .navI > li {
    line-height: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .navI > li > a {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 0.3125rem;
    line-height: 100%;
    font-size: 1rem;
    color: #333333;
  }
  
  #index .navI > li > a {
    color: #ffffff;
  }
  
  .boxshow .navI > li > a {
    color: #ffffff;
  }
  
  .navI > li > a p {
    position: relative;
    z-index: 2;
  }
  
  .navI > li > a:after {
    content: "";
    z-index: 0;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 0);
    display: block;
    width: 0;
    height: 0.25rem /* 4/16 */;
    background-color: var(--base_color);
    transition: all 0.5s ease;
  }
  
  #index .navI > li > a:after {
    background-color: #ffffff !important;
  }
  
  .boxshow .navI > li > a:after {
    background-color: #ffffff !important;
  }
  
  .navI > li:hover > a:after,
  .navI > li.active > a:after {
    width: 4.5rem /* 72/16 */;
    height: 0.25rem; /* 4/16 */
  }
  
  .navI > li:hover > a,
  .navI > li.active > a p {
    color: var(--base_color) !important;
  }
  
  #index .navI > li:hover > a,
  #index .navI > li.active > a p {
    color: #ffffff !important;
  }
  
  .boxshow .navI > li:hover > a,
  .boxshow .navI > li.active > a p {
    color: #ffffff !important;
  }
  
  .navI li .children {
    display: flex;
    position: absolute;
    z-index: 1;
    top: 100%;
    left: 0;
    text-align: left;
    height: auto;
    visibility: hidden;
    opacity: 0;
  }
  
  /* 二级导航动态宽度处理 */
  .navI > li:last-child .children,
  .navI > li:nth-last-child(2) .children,
  .navI > li:nth-last-child(3) .children,
  .navI > li:nth-last-child(4) .children {
    left: auto;
    right: 0;
  }
  #product_nav {
    position: static !important;
  }
  #product_nav .children {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .navI li .children ul {
    height: 100%;
    display: flex;
    flex-wrap: nowrap;
    width: max-content;
    min-width: 100%;
    position: relative;
    z-index: 1;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    -ms-overflow-style: none;
    margin-left: 1.875rem /* 30/16 */;
    padding: 0.75rem /* 12/16 */ 0;
  }
  
  .navI li .children:after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 200vw;
    height: 100%;
    background-color: #f2f2f2;
    z-index: -1;
    transform: translateX(-50%);
  }
  
  .navI li .children li {
    display: inline-block;
    margin-right: 1.875rem; /* 30/16 */
  }
  
  .navI li .children li a {
    padding: 0 0.3125rem;
    display: block;
    line-height: 2.4;
    font-size: 1rem; /* 16/16 */
    text-align: center;
    color: #666666;
    transition: 0.3s all;
  }
  
  .navI li .children li a:hover,
  .navI li .children li a.active {
    color: var(--base_color);
  }
  
  .navI > li > .nav-link:hover + .children {
    visibility: visible;
    opacity: 1;
    height: auto;
  }
  
  .children:hover {
    visibility: visible !important;
    opacity: 1 !important;
    height: auto !important;
  }
  
  .children li:hover > a,
  .children li.active a p {
    color: var(--base_color) !important;
  }

  
  #header_contact { border-left: 1px solid rgba(0, 0, 0, 0.1); color: #ff0000 }

  
  #index #header_contact { border-left: 1px solid rgba(255, 255, 255, 0.1); color: #ffffff }
  
  #header_contact b { font-size: 1.125rem /* 18/16 */; transition: all 0.3s ease; }
  #header_contact i { font-size: 1.125rem /* 18/16 */; transition: all 0.3s ease; }

  .boxshow #header_contact { border-left: 1px solid rgba(255, 255, 255, 0.1); color: #ffffff; }

  .boxshow #header_contact b { font-size: 1rem /* 16/16 */; }
  .boxshow #header_contact i { font-size: 1rem /* 16/16 */; }

  
  /* Banner相关 */
  #banner_box,
  #page_banner_box {
    transition: all 0.5s ease;
  }
  
  .banner_s {
    width: 1920px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .banner_s img {
    width: 100%;
    height: 100%;
    min-height: 10rem /* 160/16 */;
    object-fit: cover;
  }
  
  .box_header .title_box {
    font-size: 2.625rem /* 42/16 */;
    font-weight: bold;
    color: #ffffff;
    line-height: 1.6;
  }
  
  .box_header .desc_box {
    font-size: 1.375rem /* 22/16 */;
    color: #ffffff;
    line-height: 1.6;
    margin-top: 0.625rem /* 10/16 */;
  }
  
  #location {
    position: absolute;
    left: 0;
    bottom: 1.25rem /* 20/16 */;
    z-index: 1;
    font-size: 0.9375rem /* 15/16 */;
    color: #ffffff;
  }
  
  /*首页swiper按钮统一样式*/
  .flash_all .swiper-pagination {
    bottom: 1.25rem !important;
  }
  .flash_all .swiper-pagination .swiper-pagination-bullet {
    background-color: var(--base_color);
    outline: none;
    transition: all 0.3s ease;
    padding: 0;
    opacity: 1;
    margin: 0 0.3125rem;
    border-radius: 0;
    width: 0.75rem !important;
    height: 0.125rem !important;
  }
  .flash_all .swiper-pagination-bullet-active {
    background-color: var(--base_color);
    outline: none;
    padding: 0 1.25rem !important;
    opacity: 1 !important;
  }
  .flash_all .swiper-button-next,
  .flash_all .swiper-button-prev {
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    color: #ffffff !important;
  }
  
  /*首页swiper按钮统一样式*/
  
  /*首页swiper左右按钮*/
  .swiper-button-prev:after,
  .swiper-button-next:after {
    font-size: 1.25rem !important;
  }
  /*首页swiper左右按钮*/
  
  /* 子导航 */
  #subNav_box {
    position: relative;
    background-color: #ffffff;
  }
  #subNav_box::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-bottom: 2px solid #e7e7e7;
  }
  
  .subNav {
    width: 100%;
  }
  
  .subNav .swiper-slide {
    /* 宽度自动适应 */
    width: auto;
    height: 4.25rem /* 68/16 */;
  }
  
  .subNav .swiper-slide a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    font-size: 1.0625rem /* 17/16 */;
    color: #000000;
    position: relative;
    transition: all 0.3s ease;
  }
  
  .subNav .swiper-slide a::before {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    opacity: 0;
    content: "";
    background-color: var(--base_color);
    transition: all 0.3s ease;
  }
  
  .subNav .swiper-slide a:hover::before,
  .subNav .swiper-slide a.active::before {
    width: 100%;
    opacity: 1;
  }
  
  /* 子导航高亮样式 */
  
  .subNav .swiper-slide a.active {
    color: var(--base_color) !important;
    font-weight: bold;
  }
  
  .subNav .swiper-slide a.active::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background-color: var(--base_color);
    border-radius: 3px;
  }
  
  /* 滚动时固定子导航 */
  #subNav_box.fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s ease;
  }
  
  @keyframes slideDown {
    from {
      transform: translateY(-100%);
    }
    to {
      transform: translateY(0);
    }
  }
  
  /* 统一子页面 */
  #page_left {
    width: 23.25%;
  }
  
  #page_left .slider_type #in_goods_slider_type li a {
    min-height: 5.625rem; /* 90/16 */
  }
  
  #page_left .slider_type .slider_type_list dl dt {
    font-size: 1.0625rem;
  }
  
  #page_left .slider_type .slider_type_list dl dd {
    font-size: 0.9375rem;
  }
  
  #page_left .slider_contact {
    margin-top: 1.5rem;
    background-color: #ffffff;
    border: 0.0625rem solid #eeeeee;
  }
  
  #page_left .slider_contact .top_line {
    background-color: var(--second_color);
    height: 0.3125rem;
    border-bottom: 0.0625rem solid #eeeeee;
  }
  
  .slider_contact_list {
    padding: 1.25rem;
  }
  
  .slider_contact_list .slider_tel_title {
    font-weight: bold;
    margin-bottom: 1rem;
  }
  
  .slider_contact_list .slider_tel_num {
    color: #d8170e;
    font-size: 1.625rem;
    font-weight: bold;
    margin-bottom: 1.25rem;
  }
  
  .slider_contact_list ul li {
    line-height: 2;
  }
  
  #page_right {
    width: 72.75%;
    margin-left: 4%;
  }
  
  #page_right.order-lg-first {
    margin-left: auto;
    margin-right: 0%;
  }
  
  #page_right.order-lg-last {
    margin-right: auto;
    margin-left: 4%;
  }
  
  #page_right .page_title .title {
    font-size: 2rem;
    border-left: 0.375rem solid var(--base_color);
    padding-left: 0.625rem;
  }
  
  .section_box {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }

  #section_box {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }
  #section_box_1 {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }
  #section_box_2 {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }
  #section_box_3 {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }
  #section_box_4 {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }
  #section_box_5 {
    padding-top: 3.125rem /* 50/16 */;
    padding-bottom: 3.125rem /* 50/16 */;
  }
  
  /* 通用子页面标题 */
  .section-title {
    margin-bottom: 1.25rem /* 20/16 */;
  }
  
  .section-title h2 {
    font-size: 2.375rem /* 38/16 */;
    color: #333333;
    margin-bottom: 10px;
  }
  
  .section-title p {
    font-size: 1.0625rem /* 17/16 */;
    color: #666666;
    line-height: 1.6;
  }
  /* 通用子页面标题 */
  
  /*统一footer开始*/
  #footer {
    background-color: var(--base_color);
    margin-bottom: 0;
    font-size: 1rem;
  }
  
  #footer_main {
    padding-top: 3rem /* 48/16 */;
    padding-bottom: 3.5rem /* 56/16 */;
  }
  
  #footer_main .box_left {
    width: 30%;
  }
  
  #footer_main .footer_logo img {
    max-height: 3rem;
    margin-bottom: 0.75rem;
    filter: grayscale(100%) brightness(500%)
  }
  
  #footer_main .contactList {
    line-height: 1.8;
    margin-bottom: 1.5rem;
  }
  
  #footer_main .contactList li {
    color: #ffffff;
    margin-bottom: 0.5rem;
  }
  
  #footer_main .contactList li a {
    color: #adadad;
  }
  
  #footer_main .qrcodeList {
    color: #707070;
  }
  
  .qrcodeList .icon_box {
    background-color: #ffffff;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    cursor: pointer;
  }
  
  .qrcodeList .icon_box i {
    color: #1aad19;
    font-size: 1.25rem;
  }
  
  .qrcodeList .icon_box:hover {
    background-color: #ffffff;
  }
  
  .qrcodeList .icon_box:hover i {
    color: var(--second_color);
  }
  
  /* 二维码弹出层 */
  .qrcodeList .qrcode_popup {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #ffffff;
    border-radius: 0.25rem;
    padding: 0.25rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    margin-bottom: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
    width: max-content;
  }
  
  .qrcodeList .qrcode_popup:after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0.375rem;
    border-style: solid;
    border-color: #ffffff transparent transparent transparent;
  }
  
  .qrcodeList .qrcode_popup img {
    width: 4.5rem;
    height: 4.5rem;
  }
  
  .qrcodeList .icon_box:hover .qrcode_popup {
    opacity: 1;
    visibility: visible;
  }
  
  .footer_main_item_title {
    color: #ffffff;
  }
  
  #footer_main .box_right {
    width: 70%;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 2.5rem /* 40/16 */;
  }
  
  #footer_main .footer_nav {
    line-height: 2;
  }
  
  #footer_main .footer_nav > li {
    margin-bottom: 1rem;
  }
  
  #footer_main .footer_nav > li > a {
    justify-content: flex-start;
  }
  
  #footer_main .footer_nav > li > a p {
    color: #ffffff;
    font-size: 1.125rem;
  }
  
  #footer_main .footer_nav > li dl dt a p {
    text-align: center;
    color: rgba(255, 255, 255, 1);
    font-size: 1rem;
  }
  
  #footer_main .footer_nav > li dl dd a p {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
  }
  
  #footer_main .footer_nav a:hover p {
    color: var(--second_color) !important;
  }
  
  #footer_copy {
    height: 4.4375rem /* 71/16 */;
    border-top: 1px solidr rgba(255,255,255,0.1);
    background-color: var(--base_color);
    padding: 0.875rem 0;
    color: #ffffff;
    font-size: 1rem /* 16/16 */;
    display: flex;
    justify-content: center;
    align-self: center;
  }
  
  #footer_copy a {
    color: #ffffff;
  }
  
  #footer_copy a:hover {
    color: var(--second_color) !important;
  }
  
  /* 公共样式 */
  
  .empty {
    width: 100%;
    min-height: 12.5rem /* 200/16 */;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .empty img {
      width: 10rem /* 160/16 */;
      height: 10rem /* 160/16 */;
  }

  .empty_small {
    width: 100%;
    min-height: 12.5rem /* 200/16 */;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .empty_small img {
    width: 6.25rem /* 100/16 */;
    height: 6.25rem /* 100/16 */;
  }

  
  .box_header.main_box_header {
    margin-bottom: 1.875rem;
  }
  
  .box_header.main_box_header .title_box {
    font-weight: bold;
    line-height: 1;
  }
  
  .box_header.main_box_header .title_box a {
    font-size: 2.5rem;
  }
  
  .box_header.main_box_header .desc_box {
    margin-top: 0.875rem;
    font-size: 0.9375rem;
    letter-spacing: 0.375rem;
    color: var(--grey2);
    font-weight: bold;
    line-height: 1;
  }