* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    background-image: url(../images/background.jpg);
    min-height: 100%;
    height: 100%;
    width: 100%;
}

body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #333;
/*    background: url(../images/background.jpg), linear-gradient(180deg, #f5f9ff 0%, #eef4fb 100%);*/
}
.pc_topbar{
    position: fixed;
    top:0;
    left:0;
    width: 100%;
    height: 46px;
    background-color: #f7f7f7;
    border-bottom: 1px solid #ccc;
    z-index: 999;
}
.pc_topbar a:after { content: ""; /* 清空内容 */ display: none; /* 或隐藏元素 */ }


.pc_topbar_cont{
    width: 1200px;
    margin: auto;
    line-height: 46px;
    font-size: 14px;
}
.pc_topbar_hyy{
    float: left;
    color: #249746;
    font-size: 14px;
}
.pc_topbar_hyy img{float: left;margin-top: 5px}
.pc_topbar_hyy a{color: #249746;font-size: 16px;}
.pc_topbar_ul{
    float:left;
	list-style-type: none;
}
.pc_topbar_ul li{
    float: left;
    font-size: 14px;
}
.pc_topbar_ul li span{
    font-size: 14px;
}
.pc_topbar_ul li a{
    padding:  0 10px 0 10px;
    font-size: 14px;
}

/*.pc_topbar_ul li a.top_icon{
    padding:  0 10px 0 25px;
}*/
.top_icon{
    background:url("https://www.biztx.cn/2020_pc_image/top_icon_sj.png") no-repeat;
    background-position: 7px center;
    -webkit-background-size: 10px auto;
    background-size: 10px auto;
    position: relative;
}
.loginBox {
    margin-left: 20px;
    margin-right: 12px;
}
.pc_topbar_ul li .pc_topbar_btn{
    float: left;
    height: 45px;
    padding: 0px 10px;
    font-size: 16px;
    border-bottom: 4px solid #047124;
    line-height: 38px;
    margin-top: 0;
    margin-right: 10px;
    color: #fff;
}
.pc_topbar_ul li .pc_btn-default{
    background: #249746;
    border-bottom: 4px solid #047124;
}
.pc_topbar_ul li .pc_btn-danger{
    background: #df0606;
    border-bottom: 4px solid #980000;
}
.tell_icon {
    background: url(https://www.biztx.cn/2020_pc_image/tell1.png) no-repeat;
    background-position: 6px center;
    -webkit-background-size: 12px auto;
    background-size: 12px auto;
    font-weight: bold;
    color: #f00;
}
.pc_topbar_ul li a.top_icon, .pc_topbar_ul li a.top_icon3, .pc_topbar_ul li a.tell_icon, .pc_topbar_ul li a.wx_icon {
    padding: 0 10px 0 25px;
}
.ximg1, .ximg2, .ximg3 {
    position: absolute;
    width: 140px;
    display: none;
}

.ximg1 img, .ximg2 img, .ximg3 img {
    width: 100%;
}
.pc_topbar_form{
    float: right;
}
.pc_topbar_search input{
    float: left;
    line-height: 24px;
    height: 30px;
    font-size: 12px;
    margin-top: 8px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.pc_topbar_search input{
    width: 148px;
    height:26px;
    border: 1px solid #249746;
    padding: 2px 8px;
    color: #999;
}
.pc_topbar_search .pc_topbar_search_btn{
    background: #249746;
    border: none;
    width: 46px;
    height:26px;
    text-align: center;
    color: #fff;
    padding: 3px 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    padding: 0 20px 40px;
}

.header {

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.headerlogo {
    display: flex;
    align-items: center;
    gap: 12px;
	height:80px;
}

.headerlogo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.headerlogo span {
    font-size: 22px;
    font-weight: 600;
    color: #0f3d82; 
	padding-left:40px;
	
}



.headernav {
    margin-left: auto;
}

.headernav ul {
    
    display: flex;
    gap: 32px;
    list-style: none;
}

.headernav ul li a {
    color: #33415b;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s ease;
}

.headernav ul li a:hover {
    color: #1765d8;
}

.banner {
    position: relative;
    width: 100%;
    height: 500px;
    padding: 80px;

}

.banner h1 {
    font-size: 52px;
    line-height: 1.1;
    color: #0f3d82;
    margin-bottom: 16px;
}

.banner h2 {
    font-size: 20px;
    color: #0f4da8;
    margin-bottom: 12px;
}

.banner img {
    display: block;
    width: 320px;
}

/* 左右箭头 */
.banner-arrows {
    position: absolute;
    bottom: 28px;
    right: 32px;
    display: flex;
    gap: 10px;
    z-index: 2;
}

.banner-arrows a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.75);
    border-radius: 50%;
    transition: background 0.5s ease, transform 0.5s ease;
}

.banner-arrows a:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.08);
}

.banner-arrows img {
    width: 18px;
    height: 18px;
}

.Products {
   width: 100%;
}

.Productstop {
    background: rgba(255,255,255,0.85);
    padding: 40px;
    box-shadow: 0 20px 50px rgba(17, 73, 135, 0.08);
}

.Productstopleft {
    margin-top: 20px;
    text-align: center;
}

.Productstopleft h1 {
    font-size: 34px;
    color: #101d40;
}

.Productstopleft p {
    margin-top: 10px;
    color: #fd6a6a;
    letter-spacing: 0.24em;
}

.Productsbottom {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin: 36px 0 20px;
}

.Productbottomlist,
.Productbottomrlist {
    background: transparent;
    padding: 0;
    text-align: center;
    box-shadow: none;
    border-radius: 16px;
    perspective: 1000px;
    min-height: 340px;
}

/* ======== 卡片翻转容器 ======== */
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner,
.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

/* ======== 正面 & 背面共用 ======== */
.flip-card-front,
.flip-card-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 16px;
    padding: 22px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(17, 73, 135, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 340px;
}

/* ======== 背面：绝对定位覆盖正面 ======== */
.flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotateY(180deg);
    justify-content: center;
    background: linear-gradient(160deg, #f8fbff 0%, #eaf3ff 100%);
    border: 1px solid rgba(23, 101, 216, 0.10);
}

/* ======== 背面内容样式 ======== */
.flip-card-back h3 {
    font-size: 18px;
    color: #0f3d82;
    margin-bottom: 12px;
}

.flip-card-back p {
    font-size: 14px;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 20px;
    flex: 1;
    display: flex;
    align-items: center;
}

.flip-card-back .flip-btn {
    display: inline-block;
    padding: 10px 32px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(90deg, #2569f4, #1c4fcf);
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(37, 105, 244, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.flip-card-back .flip-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(37, 105, 244, 0.35);
}

.Productbottomlist img,
.Productbottomrlist img {
/*    padding: 10px;
*/    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 18px;
    background: #ffffff;
}

.Productbottomlist h3,
.Productbottomrlist h3 {
    font-size: 18px;
    color: #132a51;
    margin-bottom: 10px;
}

.Productbottomlist p,
.Productbottomrlist p {
    font-size: 14px;
    color: #6b768d;
    line-height: 1.7;
    margin-bottom: 18px;
}

.Productbottomlist li,
.Productbottomrlist li {
    list-style: none;
}

.Productbottomlist li a,
.Productbottomrlist li a {
    display: inline-flex;
    align-items: center;
    color: #1765d8;
    text-decoration: none;
    font-weight: 600;
}

.bt {
    text-align: right;
    margin-top: 10px;
}

.bt .primary-btn {
          padding: 10px 24px;
          font-size: 14px;
          margin-top: 0;
      }
      
.primary-btn {
           margin-top: 20px;
           display: inline-block;
}
.primary-btn {
    margin-top: 20px;
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    color: #fff;
    background: linear-gradient(90deg, #2569f4, #1c4fcf);
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 999px;
    box-shadow: 0 12px 24px rgba(37, 105, 244, 0.2);
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-2px);
    background: linear-gradient(90deg, #1848cd, #0f3aa8);
}



.aboutlift {
    background: rgba(255,255,255,0.82);
    padding: 30px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    align-items: start;
}

.aboutlift > div:first-child {
    grid-column: 1 / -1;
}
.aboutlift span {
    display: block;
    font-size: 14px;
    color: #2c3b5d;
    line-height: 1.8;  
    grid-column: 1;
    grid-row: 2;
}
.aboutlist {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
    grid-column: 1;
    grid-row: 3;
}

.aboutlist li {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    color: #364564;
    font-size: 15px;
}

.aboutlist li img {
    width: 20px;
    height: 20px;
}

.aboutbtn {
    grid-column: 1;
    grid-row: 4;
    margin-top: -20px;
    display: flex;
    align-items: center;
}

.aboutbtn .primary-btn {
    border-radius: 8px;
    padding: 8px 22px;
    font-size: 13px;
    margin-top: 0;
}
.aboutright {
    grid-column: 2;
    grid-row: 2 / 5;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, minmax(120px, auto));
    gap: 14px;
}
.abouttop img,
.aboutbottom img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 18px;
    background: #eef4ff;
}

.aboutbottom {
    grid-column: span 3;
}

.footer {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    padding: 0 36px;
    height: 200px;
    background-image: url(../images/footer-ling.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    color: #fff;
}

.footerlift {
    position: absolute;
    left: 36px;
}

.footerlift h1 {
    font-size: 28px;
    margin-bottom: 6px;
}

.footerlift p {
    color: rgba(255,255,255,0.88);
    font-size: 14px;
}

.footerbtn {
    margin-top: 12px;
}

.footerright {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    max-width: 520px;
}
.cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 12px;
    background: rgba(255,255,255,0.08);
    border-radius: 18px;
    text-align: center;
}

.cart img {
    width: 32px;
    height: 32px;
}

.cart p {
    font-size: 13px;
    color: #f4f7ff;
}

@media screen and (max-width: 1080px) {
    .Productsbottom,
    .footerright {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .header,
    .Products {
        padding-left: 16px;
        padding-right: 16px;
    }

    .banner {
        padding: 40px 16px;
        height: auto;
    }

    .banner h1 {
        font-size: 36px;
    }

    .banner img {
        width: 100%;
        max-width: 280px;
        margin-top: 20px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .headernav ul {
        flex-wrap: wrap;
        gap: 16px;
    }

    .Productsbottom,
    .footerright {
        grid-template-columns: 1fr;
    }

    .aboutlift {
        grid-template-columns: 1fr;
    }

    .aboutright {
        grid-column: 1;
        grid-row: auto;
    }

    .aboutbtn {
        grid-column: 1;
        grid-row: auto;
    }

    .footer {
        flex-direction: column;
        height: auto;
        padding: 28px 20px 32px;
        gap: 20px;
        text-align: center;
    }

    .footerlift {
        position: static;
    }

    .footerlift h1 {
        font-size: 22px;
    }

    .footerright {
        max-width: 100%;
        width: 100%;
    }
}
*{margin:0;padding:0;list-style:none;text-decoration:none;}
/* 外层通栏banner容器 */
.content_banner{
    width:100%;
    height:530px;
    position:relative;
    overflow:hidden;
}
/* 轮播列表 */
.lunbo{
    width:100%;
    height:100%;
    position:relative;
}
.lunbo li{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:100%;
    display:none;
}
.lunbo li a{
    display:block;
    width:100%;
    height:100%;
}
.lunbo li img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}
/* 1200px内容居中盒子 */
.content_box{
    width:1200px;
    margin:0 auto;
    position:relative;
    height:100%;
}

.content_pic{
	
    position:absolute;
    width:1200px;
/*    height:100%;
    left:50%;
    margin-left:-960px;*/
	 
}

/* ====== banner叠加文字样式（重点） ====== */
.banner_text{
    position:absolute;
    left:0;
    top:140px;
    z-index:5;
}
.banner_text h2{
    font-size:40px;
    color:#003388;
    font-weight:bold;
    line-height:1.2;
}
.banner_text p{
    font-size:28px;
    color:#0050bb;
    margin-top:12px;
}

/* 底部圆点指示器 */
.lunbo_tab{
    position:absolute;
    bottom:20px;
    left:50%;
    transform:translateX(-50%);
    z-index:10;
    display:flex;
}
.lunbo_tab li{
    width:45px;
    height:6px;
    background:#0f1110;
    margin:0 5px;
    cursor:pointer;
}
.lunbo_tab li.on{
    background:#ff0100;
}
/* 右下角左右箭头 */
.banner_arrow{
    position:absolute;
    right:40px;
    bottom:20px;
    z-index:10;
    display:flex;
    gap:22px;

}
.banner_arrow a{
    width:44px;
    height:44px;
    background:rgba(74,187,255,0.7);
    display:flex;
    align-items:center;
    justify-content:center;
    color:#333;
    font-size:20px;
    border-radius:50%;
}
.banner_arrow a:hover{
    background:#093;
}
.pc_footer_beian{
    text-align: center;
}
.pc_footer_beian a{
color:#fff;
}
.pc_footer_beian p{
    margin:0 8px;
    color: #fff;
    font-size: 12px;
    line-height: 22px;
    color: #eaeaea;
}

#qrcode{
	width: 150px;
    height: 150px;
    padding:10px;
    background:#fff;
    border-radius:8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin:15px 50px auto;
}
.company-card-info{
    text-align:center;

}