html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, a, abbr, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, dl, dt, dd, ol, ul, li, fieldset, form, input, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, command, details, figcaption, figure, footer, header, hgroup, mark, nav {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
    list-style: none;
}

a {
    color: #000000;
    font-size: 16px;
    font-family: "Microsoft Yahei";
}

@font-face {
    font-family: titleFont;
    src: url('../fonts/ysbth.ttf'),
        url('../fonts/ysbth.eot'); /* IE9+ */
}

/* flex布局 */

.flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}

.flex-middle {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    align-items: center;
}

/* 右侧悬浮导航 */

.sus_nav {
    position: fixed;
    right: 10%;
    top: 20%;
    width: auto;
    height: auto;
    background: #FFFFFF;
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.sus_nav a {
    position: relative;
    display: block;
    height: 40px;
    line-height: 40px;
    padding: 0 24px;
}

.sus_nav .active {
    background: #3377F9;
    color: #fff;
}

.sus_nav .active::after {
    content: '';
    position: absolute;
    top: 17px;
    left: -6px;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-right: 6px solid #3377F9;
    border-bottom: 6px solid transparent;
}

/* 头部 */
.header {
    position: relative;
    background: #3377F9;
    width: 100%;
    height: 657px;
    margin: auto;
}

.header::after {
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0%;
    height: 0;
    border-bottom: 60px solid #fff;
    border-left: 1440px solid transparent;
}

.header .banner {
    position: relative;
    z-index: 1;
}

.header .banner .block::after {
    content: '';
    position: absolute;
    top: 0;
    right: 30px;
    background: url(../images/banner_bg.png) no-repeat;
    background-size: 100%;
    width: 608px;
    height: 436px;
    z-index: -1;
}

.top_head {
    width: 100%;
    height: 139px;
    background: linear-gradient(180deg, rgba(0,0,0,0.49) 0%, rgba(0, 0, 0, 0) 100%);
}

.top_head>div {
    justify-content: space-between;
}

.top_head .logo {
    width: 64px;
    height: 64px;
}

.top_head .title {
    font-family: 'titleFont';
    font-size: 40px;
    color: #fff;
}

.top_head .desc {
    color: #fff;
}

.nav {
    margin-right: 60px;
}

.nav a {
    position: relative;
    font-size: 18px;
    color: rgba(255,255,255,0.65);
    margin: 0 15px;
    display: flex;
    justify-content: center;
}

.nav .active {
    color: #fff;
}

.nav .active::after {
    content: '';
    position: absolute;
    left: auto;
    bottom: -20px;
    width: 20px;
    height: 4px;
    background: #fff;
}

.banner .left {
    width: 555px;
    color: #fff;
}

.banner .right {
    margin-left: 130px;
}

.banner .title {
    font-family: 'titleFont';
    font-size: 60px;
    line-height: 78px;
}

/* 产品特色 */

.product_list {
    justify-content: space-between;
    padding: 0 52px 15px;
}

.product_list li {
    width: 230px;
    height: 302px;
    background: #FFFFFF;
    box-shadow: 0px 2px 12px 0px #3377f933;
    border-radius: 8px;
    text-align: center;
    padding: 0 25px;
    box-sizing: border-box;
}
.product_list li .desc{
    font-size: 13px;
    text-align: left;
}
/* 公司介绍 */

.about_us .content {
    height: 200px;
    line-height: 28px;
    overflow: hidden;
}

.about_us .content p {
    text-indent: 2em;
}

.about_us .more {
    width: 236px;
    height: 42px;
    line-height: 42px;
    background: rgba(216, 216, 216, 0.35);
    margin: 0 auto;
    cursor: pointer;
}

/* 更新说明 */

.update {
    padding-bottom: 15px;
}

.update_list {
    width: 1052px;
    min-height: 309px;
    background: #FFFFFF;
    box-shadow: 0px 2px 12px 0px #3377f933;
    border-radius: 8px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 33px 90px 27px 38px;
}

.update_list .version {
    font-size: 40px;
    font-weight: 600;
    color: #3377F9;
    line-height: 35px;
}

.update_list .icon {
    margin-top: 60px;
    position: absolute;
    bottom: 15%;
}

.update_list .left {
    width: 30%;
}

.update_list .right {
    width: 70%;
}

.update_list .content {
    line-height: 32px;
}
.update_list .content span{
    display: block;
}
.update_list .content p{ 
    font-size: 14px;
    line-height: 1.2;
    margin-bottom: 10px;
}
/* 联系我们 */

.contact_list {
    justify-content: center;
}

.contact_list li {
    margin: 0 60px;
}

.map {
    width: 100%;
    background: #f2f2f2;
}

.map img {
    width: 1440px;
}

/* 底部信息 */

.footer {
    width: 100%;
    height: 230px;
    background: #2B2F44;
    margin-top: 80px;
    color: rgba(255,255,255,0.65);
    box-sizing: border-box;
    padding: 36px 0 0;
}

.footer .logo {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    margin-right: 20px;
}

.footer .left .title {
    font-family: 'titleFont';
    color: #fff;
}

.footer .right {
    margin-left: 150px;
}

.footer .right a {
    font-size: 18px;
    color: rgba(255,255,255,0.65);
    margin-right: 20px;
}

.block {
    width: 1200px;
    margin: 0 auto;
}

/* 移动端导航 - 默认隐藏，仅在移动端显示 */
.mobile-nav {
    display: none;
}

/* ========== WAP端适配 ========== */

@media screen and (max-width: 768px) {

    html, body{
        min-width: 100%;
    }
    .wap_none{display: none;}
    /* 隐藏PC端右侧悬浮导航 */
    .sus_nav {
        display: none !important;
    }

    /* 容器宽度调整 */
    .block {
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
        overflow: visible;
    }

    /* 头部区域 */
    .header {
        height: auto;
        min-height: auto;
    }

    .header::after {
        display: none1;
    }

    .top_head {
        height: auto;
        padding: 10px 0;
    }
    .header .top_head{display:none;}

    .top_head>div {
        flex-direction: column;
        align-items: flex-start;
    }

    .top_head .left {
        margin-bottom: 10px;
    }

    .nav {
        margin-right: 0;
        display: none; /* 隐藏PC端导航 */
    }

    /* 移动端导航 */
    .mobile-nav {
        display: block !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: #3377F9;
        padding: 10px 15px;
        box-sizing: border-box;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .mobile-nav .nav-toggle {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-nav .logo-area {
        display: flex;
        align-items: center;
        color: #fff;
    }

    .mobile-nav .logo-area img {
        width: 36px;
        height: 36px;
        border-radius: 6px;
        margin-right: 10px;
    }

    .mobile-nav .logo-area .title {
        font-family: 'titleFont';
        font-size: 18px;
    }

    .mobile-nav .menu-btn {
        width: 30px;
        height: 30px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        cursor: pointer;
    }

    .mobile-nav .menu-btn span {
        width: 25px;
        height: 3px;
        background: #fff;
        margin: 3px 0;
        border-radius: 2px;
        transition: all 0.3s;
    }

    .mobile-nav .menu-list {
        display: none;
        margin-top: 10px;
        border-top: 1px solid rgba(255,255,255,0.2);
        padding-top: 10px;
    }

    .mobile-nav .menu-list.show {
        display: block;
    }

    .mobile-nav .menu-list a {
        display: block;
        color: #fff;
        padding: 12px 0;
        font-size: 16px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .mobile-nav .menu-list a:last-child {
        border-bottom: none;
    }

    /* Banner区域 */
    .header .banner {
        padding-top: 70px;
    }

    .header .banner .block {
        /* flex-direction: column; */
        display: block;
    }

    .header .banner .block::after {
        content: '';
        position: absolute;
        top: 49%;
        right: 50%;
        margin-right:-130px;
        background: url(../images/banner_bg.png) no-repeat bottom;
        background-size: contain;
        width: 308px;
        height: 236px;
        z-index: -1;
    }

    .banner .left {
        width: 100%;
        padding: 20px 0;
    }

    .banner .title {
        font-size: 36px;
        line-height: 1.3;
        text-align: center;
        margin-top: 0!important;
    }

    .banner .f20 {
        font-size: 16px !important;
    }

    .banner .download {
        justify-content: flex-start;
        justify-content: center;
    }

    .banner .download img {
        max-width: 150px;
        height: auto;
    }

    .banner .right {
        margin-left: 0;
        text-align: center;
        margin-top: 20px;
        position: relative;
        height: 298px;
    }

    .banner .right img {
        width: 220px;
        max-width: 100%;
        height: auto;
        /* margin-top: 10%; */
    }

    /* 产品特色 */
    .product_list {
        flex-direction: column;
        padding: 0 10px;
    }

    .product_list li {
        width: 100%;
        height: auto;
        padding: 25px 20px;
        margin-bottom: 15px;
    }

    .product_list li .icon {
        width: 60px;
        height: auto;
        margin-top: 15px;
    }

    .product_list li .title {
        font-size: 20px;
        margin-top: 15px;
    }

    .product_list li .desc {
        font-size: 14px;
        text-align: center;
    }

    /* 公司介绍 */
    .about_us .content {
        height: auto;
        max-height: 150px;
        line-height: 24px;
        font-size: 16px;
        text-align: center;
    }

    .about_us .content.expanded {
        max-height: none;
    }

    /* 更新说明 */
    .update_list {
        width: 100%;
        flex-direction: column;
        padding: 20px 15px;
    }

    .update_list .left {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
        padding-bottom: 15px;
        margin-bottom: 15px;
        position: relative;
    }

    .update_list .icon {
        display: none;
    }

    .update_list .right {
        width: 100%;
    }

    .update_list .content {
        font-size: 16px;
        line-height: 28px;
    }

    .update_list .content p {
        font-size: 14px;
    }

    /* 联系我们 */
    .contact_list {
        flex-direction: column;
        padding: 0 20px;
    }

    .contact_list li {
        margin: 0;
        padding: 20px;
        background: #f8f8f8;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .contact_list li img {
        width: 40px;
        height: 40px;
    }

    /* 地图 */
    .map img {
        width: 100%;
        max-width: 100%;
        height: auto;
    }

    /* 底部 */
    .footer {
        height: auto;
        padding: 30px 15px;
    }

    .footer .content {
        flex-direction: column;
    }

    .footer .left {
        margin-bottom: 30px;
    }

    .footer .left .flex {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer .right {
        margin-left: 0;
    }

    .footer .right a {
        font-size: 16px;
    }
}