.header {
    position: fixed;
    z-index: 99;
    top: 0;
    width: 100%;
    transition: all .3s ease 0s;
}

.header_layout {
    height: 5rem;
}

.header_logo img {
    height: 3.6rem;
    transition: all .3s ease 0s;
}

.header_navgation {
    margin-top: 1rem;
}

.header_navgation_item {
    position: relative;
    line-height: 2;
    padding-left: 1.2rem;
    padding-bottom: 5px;
}

.header_navgation_item:after {
    content: "";
    display: block;
    width: 0;
    height: 2px;
    background-color: #fff;
    transition: all .3s ease 0s;
}

.header_navgation_item:hover:after {
    width: 100%;
    transition: all .3s ease 0s;
}

.header_navgation_font ,
.header_navgation_child_font {
    font-size: .65rem;
    font-weight: 500;
    color: #fff;
}

.header_navgation_child_list {
    position: absolute;
    z-index: 99;
    top: 100%;
    width: 8rem;
    padding: 1rem 1rem;
    background-color: var(--sub-color);
    display: none;
}

.header_navgation_item:last-child .header_navgation_child_list {
    right: 0;
}

.header_navgation_item:hover .header_navgation_child_list {
    display: block;
}

.header_navgation_child_item {
    padding: 5px 0 10px;
    transition: all .5s ease 0s;
}

.header_navgation_child_item:hover a {
    color: #dd6b20;
    transition: all .5s ease 0s;
}

.header_navgation_child_item::after {
    content: "";
    display: block;
    height: 2px;
    background-color: #fff;
    margin-top: 5px;
    border-left: 0rem solid #dd6b20;
    transition: all .5s ease 0s;
}

.header_navgation_child_item:hover::after {
    border-left: 6rem solid #dd6b20;
    transition: all .5s ease 0s;
}

/* 滚轮触发 */
.header_scroll {
    background-color: #fff;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,.1);
    transition: all .3s ease 0s;
}

.header_scroll .header_layout {
    height: 4.2rem;
    transition: all .3s ease 0s;
}

.header_scroll .header_logo img {
    height: 3.2rem;
    transition: all .3s ease 0s;
}

.header_scroll .header_navgation_item:after {
    background-color: #3c3c3c;
}

.header_scroll .header_navgation_font {
    color: #3c3c3c;
    transition: all .3s ease 0s;
}

#swiper-banner .swiper-slide {
    width: 100%;
    height: calc(100vh);
    background-position: center;
    background-size: cover;
}

.swiper_layout {
    display: flex;
    align-items: center;
    padding: 0 5rem;
    height: 100%;
    margin: 0 auto;
}

.swiper_product_thumb {
    width: 50%;
    padding-right: 2rem;
    text-align: right;
}

.swiper_product_thumb img {
    display: inline-block;
    width: 24rem;
}

.swiper_info {
    padding-left: 2rem;
    max-width: 50%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.swiper_info_title {
    font-family: 'ShuHeiTi';
    font-size: 2.4rem;
    letter-spacing: 1px;
}

.swiper_info_description {
    font-family: 'Montserrat';
    font-weight: 300;
}

.swiper_info_hr {
    display: inline-block;
    width: 8rem;
    height: 1px;
    background-color: #fff;
    margin-bottom: 1rem;
}

.swiper_info_content {
    font-size: .65rem;
    font-weight: 300;
}

.swiper_info_link {
    display: block;
    width: 10rem;
    margin-top: 1rem;
    font-size: .8rem;
    color: #fff;
    border: 1px solid #fff;
    padding: .5rem;
    text-align: center;
    font-weight: 300;
    cursor: pointer;
}

.main-title {
    padding: 0 0 2rem;
    text-align: center;
    margin-top: -2rem;
}

.main-title h4 {
    color: #3c3c3c;
    z-index: 1;
    position: relative;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.main-title h1 {
    font-family: 'Montserrat';
    font-weight: bolder;
    color: #c9c9c9;
    opacity: .6;
    position: relative;
    top: 2rem;
    z-index: 0;
    font-size: 3rem;
}

.main-title span {
    color: var(--sub-color);
}

.main-title p {
    font-size: .65rem;
    font-weight: 300;
    color: #6c6c6c;
}

.main-title::after {
    content: "";
    display: block;
    width: 3rem;
    height: 3px;
    background-color: #dd6b20;
    margin: 1rem auto;
}

.btn-more {
    position: relative;
    width: 20rem;
    border: 2px solid var(--main-color);
    display: block;
    text-align: center;
    color: var(--main-color);
    font-size: .8rem;
    line-height: 3;
}
  
.btn-more span {
    position: relative;
    z-index: 2;
    font-weight: 600;
}
  
.btn-more:before { 
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--main-color);
    transition: all .5s cubic-bezier(.165,.84,.44,1);
    transition-timing-function: cubic-bezier(.165,.84,.44,1);
    transform: scale(.9);
    opacity: 0;
}

.btn-more:hover { 
    color: #fff;   
}

.btn-more:hover:before {
    transform: scale(1);
    opacity: 1;   
}

.product {
   background-color: #e9e9e9; 
}

.product_list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.product_item {
    width: 11rem;
}

.product_thumb {
    position: relative;
    display: block; 
    height: 0; 
    padding: 0; 
    overflow: hidden; 
    padding-bottom: 100%;
    border-radius: 2%;
    background-color: #fff;
}

.product_thumb img {
    position: absolute; 
    object-fit: cover; 
    width: 100%; 
    height: 100%; 
    border: 0; 
    vertical-align: middle;
    transition: all 0.5s ease 0s;
}

.product_info { 
    position: absolute; 
    width: 100%; 
    height: 0%; 
    bottom: 0px; 
    text-align: center; 
    background: rgba(9,9,9,0.8); 
    overflow: hidden;  
    transition: all 0.5s ease 0s; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center; 
    padding: 0 1rem;
}

.product_info h2 {
    font-size: .8rem;
    color: #ececec;
    line-height: 1.5;
}

.product_info p {
    margin: 0 auto;
    font-size: .6rem;
    color: #999;
    line-height: 2;
    font-weight: 300;
}

.product_info p::before {
    content: "";
    display: block;
    height: 1px;
    background-color: #eee;
    margin: 10px 0;
}

.product_info_icon {
    width: 2rem;
    height: 2rem;
    margin: .5rem 0 0;
}

.product_item:hover .product_info {
    height: 100%;
}

.product_item:hover .product_thumb  img {
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
    transition: all 0.5s ease 0s;
}

.about {
    background-image: url("about_bg.jpg");
    background-position: bottom center;
    background-size: cover;
}

.about_content {
    width: 35rem;
    font-size: .65rem;
    text-align: justify;
    line-height: 2;
    padding: 0 1rem 0 0;
}

.about_img {
    position: relative;
    padding-left: 2rem;
}

.about_img img {
    position: relative;
    height: 13rem;
    border-radius: 2%;
    z-index: 2;
}

.about_img::after {
    content: "";
    display: block;
    position: absolute;
    width: 95%;
    height: 8rem;
    border-radius: 2%;
    background-image: url("data:image/svg+xml,<svg id='patternId' width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'><defs><pattern id='a' patternUnits='userSpaceOnUse' width='20' height='20' patternTransform='scale(1) rotate(0)'><rect x='0' y='0' width='100%' height='100%' fill='hsla(0, 0%, 100%, 0)'/><path d='M3.25 10h13.5M10 3.25v13.5'  stroke-linecap='square' stroke-width='0.5' stroke='hsla(0, 0%, 80%, 1)' fill='none'/></pattern></defs><rect width='800%' height='800%' transform='translate(0,0)' fill='url(%23a)'/></svg>");
    bottom: 12%;
    right: -10%;
    z-index: 1;
}

.extra { 
    background: #e9e9e9; 
    border-bottom: 3px solid var(--main-color); 
}

.extra_item {
    width: 25%;
    padding: 2rem;
    cursor: pointer;
    transition: all 0.3s ease 0s;
}

.extra_item_icon svg {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
}

.extra_item_icon svg path {
    fill: var(--main-color);
}

.extra_item_title {
    margin-bottom: .5rem;
    font-size: .8rem;
    line-height: 1;
    font-weight: bold;
    color: var(--main-color);
}

.extra_item_subtitle {
    font-size: .65rem;
    line-height: 1.5;
    color: #6d6d6d;
    font-weight: 300;
}

.extra_item_on {
    background: var(--main-color);
    transition: all 0.3s ease 0s;
}

.extra_item_on svg path {
    fill: #fff;
}

.extra_item_on .extra_item_title,
.extra_item_on .extra_item_subtitle {
    color: #fff;
}

.photo_list {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
}

.photo_item {
    position: relative;
    display: block;
    height: 0;
    padding: 0;
    overflow: hidden;
    padding-bottom: 16%;
}

.photo_item img {
    position: absolute;
    object-fit: cover;
    width: 100%;
    height: 100%;
    border: 0;
    vertical-align: middle;
    border-radius: 2%;
}

.news_list {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
}

.news_item {
    width: 19rem;
    min-height: 22rem;
    background-color: #fff;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 3px;
    transition: all 0.5s ease 0s;
}

.news_item:hover {
    background: #0043a3;
    transition: all 0.5s ease 0s;
}

.news_item:hover * {
    color: #fff;
}

.news_thumb {
    position: relative;
    display: block;
    height: 0;
    padding: 0;
    overflow: hidden;
    padding-bottom: 70%;
    margin-bottom: 1rem;
    background: #fff;
}

.news_thumb img {
    position: absolute;
    object-fit: cover;
    width: 100%;
    height: 100%;
    border: 0;
    vertical-align: middle;
}

.news_title {
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news_title a {
    font-size: .8rem;
    color: #212121;
    line-height: 1;
    font-weight: 500;
}

.news_date {
    font-size: .65rem;
    color: #969696;
    line-height: 1;
    font-weight: 300;
    letter-spacing: 1px;
}

.news_description {
    font-size: .65rem;
    color: #212121;
    line-height: 1.5;
    font-weight: 300;
    margin-top: 10px;
}

.footer { 
    font-size: .6rem;
    background-color: #3c3c3c; 
    color: #9e9e9e;
}

.footer h6 {
    color: #fff;
    line-height: 3;
}

.footer h6::after {
    content: "";
    display: block;
    width: 1.5rem;
    height: 2px;
    margin-bottom: 1rem;
    background-color: #dd6b20;
}

.footer_item,
.footer_item a {
    color: #9e9e9e; 
    line-height: 2.5;
}

.footer_item a:hover {
    color: #dd6b20;
}

.footer_qrcode img {
    width: 6rem;
    margin-top: 10px;
}

.copyright {
    font-size: .6rem;
    color: #9e9e9e;
    text-align: center;
    line-height: 3;
    background-color: #2b2b2b;
}