*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
a{
    text-decoration: none;
}
.flex {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}
.flex-wrap {
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
}

.flex-nwrap {
    -webkit-flex-wrap: nowrap;
    -moz-flex-wrap: nowrap;
    -ms-flex-wrap: nowrap;
    -o-flex-wrap: nowrap;
    flex-wrap: nowrap;
}

.flex-center {
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    -o-justify-content: center;
    justify-content: center;
}

.flex-end {
    -webkit-box-pack: flex-end;
    -webkit-justify-content: flex-end;
    -moz-justify-content: flex-end;
    -ms-justify-content: flex-end;
    -o-justify-content: flex-end;
    justify-content: flex-end;
}

.space-between {
    -webkit-box-pack: space-between;
    -webkit-justify-content: space-between;
    -moz-justify-content: space-between;
    -ms-justify-content: space-between;
    -o-justify-content: space-between;
    justify-content: space-between;
}
.flex1 {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
}
.space-around {
    -webkit-box-pack: space-around;
    -webkit-justify-content: space-around;
    -moz-justify-content: space-around;
    -ms-justify-content: space-around;
    -o-justify-content: space-around;
    justify-content: space-around;
}

.align-items {
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    -o-align-items: center;
    align-items: center;
}
.align-items-start{
    -webkit-box-align: flex-start;
    -webkit-align-items: flex-start;
    -moz-align-items: flex-start;
    -ms-align-items: flex-start;
    -o-align-items: flex-start;
    align-items: flex-start;
}
.align-items-end{
    -webkit-box-align: flex-end;
    -webkit-align-items: flex-end;
    -moz-align-items: flex-end;
    -ms-align-items: flex-end;
    -o-align-items: flex-end;
    align-items: flex-end;
}
.align-content-start{
    -webkit-box-align: flex-start;
    -webkit-align-content: flex-start;
    -moz-align-content: flex-start;
    -ms-align-content: flex-start;
    -o-align-content: flex-start;
    align-content: flex-start;
}
.align-content-end{
    -webkit-box-align: flex-end;
    -webkit-align-content: flex-end;
    -moz-align-content: flex-end;
    -ms-align-content: flex-end;
    -o-align-content: flex-end;
    align-content: flex-end;
}
.align-content-stretch{
    -webkit-box-align: stretch;
    -webkit-align-content: stretch;
    -moz-align-content: stretch;
    -ms-align-content: stretch;
    -o-align-content: stretch;
    align-content: stretch;
}
.align-content-center{
    -webkit-box-align: center;
    -webkit-align-content: center;
    -moz-align-content: center;
    -ms-align-content: center;
    -o-align-content: center;
    align-content: center;
}
.align-content-around{
    -webkit-box-align: space-around;
    -webkit-align-content: space-around;
    -moz-align-content: space-around;
    -ms-align-content: space-around;
    -o-align-content: space-around;
    align-content: space-around;
}
.align-content-between{
    -webkit-box-align: space-between;
    -webkit-align-content: space-between;
    -moz-align-content: space-between;
    -ms-align-content: space-between;
    -o-align-content: space-between;
    align-content: space-between;
}
.align-self-start{
    -webkit-align-self: flex-start;
    -moz-align-self: flex-start;
    -ms-align-self:flex-start;
    -o-align-self: flex-start;
    align-self:flex-start;
}
.align-self-start{
    -webkit-align-self: flex-start;
    -moz-align-self: flex-start;
    -ms-align-self:flex-start;
    -o-align-self: flex-start;
    align-self:flex-start;
}
.align-self-end{
    -webkit-align-self: flex-end;
    -moz-align-self: flex-end;
    -ms-align-self:flex-end;
    -o-align-self: flex-end;
    align-self:flex-end;
}
.align-self-center {
    -webkit-align-self: center ;
    -moz-align-self: center ;
    -ms-align-self:center ;
    -o-align-self: center ;
    align-self:center ;
}
.align-self-baseline{
    -webkit-align-self: baseline;
    -moz-align-self: baseline;
    -ms-align-self:baseline;
    -o-align-self: baseline;
    align-self:baseline;
}
.align-self-stretch{
    -webkit-align-self: stretch;
    -moz-align-self: stretch;
    -ms-align-self:stretch;
    -o-align-self: stretch;
    align-self:stretch;
}
.flex-shrink{
    flex-shrink:0;
}
.fn-ctr{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    -o-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    -o-justify-content: center;
    justify-content: center;
}
.banner{
    width: 100%;
    height: auto;
    background: linear-gradient(0deg,#eef6fd,#fff);
}
.banner .wrapper{
    max-width: 1000px;
    height: 225px;
    margin: 0 auto;
    position: relative;
}
.banner .left{
    height: 100%;
    position: relative;
    z-index: 2;
}
.banner .banner_title{
    width: 100%;
    text-align: left;
    font-size: 36px;
    font-weight: 500;
    color: #092e53;
    line-height: 50px;
    letter-spacing: 1px;
}
.banner .banner_desc{
    width: 100%;
    text-align: left;
    font-size: 20px;
    font-weight: 400;
    color: #092e53;
    line-height: 34px;
    letter-spacing: 1px;
}
.banner .banner_button{
    width: 150px;
    height: 54px;
    background: #2e93fe;
    border-radius: 8px;
    border: 1px solid #2b9cf9;
    margin-top: 21px;
    color: #fff;
    text-align: center;
    line-height: 54px;
    cursor: pointer;
    transition: all 0.3s;
}
.banner .banner_button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 147, 254, 0.3);
}
.banner .banner_img{
    height: 200px;
    width: auto;
    position: absolute;
    right: 0;
    top: 10px;
    z-index: 1;
}
.list{
    width: 100%;
    max-width: 1000px;
    height: auto;
    padding-top: 69px;
    overflow: hidden;
    margin: 0 auto;
}
.list .item{
    width: 33%;
    height: auto;
    padding: 0 10px;
}
.list .item .item_box{
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 10px 0 #ceddf1;
    border-radius: 16px;
    margin-bottom: 70px;
    padding-top: 30px;
    padding-bottom: 30px;
    position: relative;
    overflow: hidden;
}
.list .item .logo{
    width: 76px;
    height: 76px;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto 23px;
}
.list .item .logo img{
    width: 76px;
    height: 76px;
}
.list .item .item_title{
    width: 100%;
    text-align: center;
    font-size: 24px;
    font-weight: 500;
    color: #333;
    line-height: 33px;
    letter-spacing: 1px;
    margin-bottom: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.list .item .item_desc{
    width: 80%;
    margin: 0 auto;
    font-size: 16px;
    font-weight: 400;
    color: #555;
    line-height: 26px;
    text-align: left;
}
.platform-icons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.platform-icon {
    width: 28px;
    height: 28px;
    opacity: 0.9;
    transition: all 0.3s;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.platform-icon:hover {
    opacity: 1;
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

.list .item .item_android_download{
    width: 80%;
    height: 54px;
    background: #eaf5ff;
    border-radius: 8px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    cursor: pointer;
}
.list .item .item_ios_load{
    width: 80%;
    height: 54px;
    background: #2e93fe;
    border-radius: 8px;
    margin: 20px auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    cursor: pointer;
}
.list .item .icon_pic{
    width: 34px;
    height: 34px;
}
.list .item .item_android_download .text{
    font-size: 18px;
    font-weight: 500;
    color: #2e93fe;
    line-height: 25px;
    display: flex;
    align-items: center;
}
.list .item .item_ios_load .text{
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    line-height: 25px;
    display: flex;
    align-items: center;
}
.list .item .qrcode{
    width: 100%;
    margin-top: 26px;
    cursor: pointer;
}
.list .item .qrcode_pic{
    width: 50px;
    height: 50px;
    margin-right: 16px;
}
.list .item .qrcode .text{
    font-size: 16px;
}
.list .item .mask{
    display: none;
    width: 100%;
    height: 100%;
    background: rgba(9, 46, 83, .4);
    position: absolute;
    left: 0;
    top: 0;
    align-items: center;
    justify-content: center;
}
.list .item .mask-box{
    width: 236px;
    height: 274px;
    background: #fff;
    border-radius: 12px;
}
.list .item .mask-box .qrimg{
    display: block;
    width: 198px;
    height: 198px;
    margin: 20px auto;
}
.list .item .mask-box .text{
    width: 100%;
    text-align: center;
    font-size: 16px;
}
@media (max-width: 900px) {
    .banner{
        width: 100%;
        padding: 0 32px;
    }
    .banner .banner_img{
        height: 90px;
        width: auto;
        position: absolute;
        top: 120px;
        right: 0;
        z-index: 1;
    }
    .list .item{
        width: 100%;
        padding: 0 32px;
    }
}

/* 新增样式 */
.header {
    width: 100%;
    height: 80px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}

.header .wrapper {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.header .logo {
    height: 40px;
}

.logo-name {
    margin-left: 12px;
    font-size: 24px;
    font-weight: 600;
    color: #092e53;
    float: left;
}

.nav {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav a {
    color: #092e53;
    font-size: 16px;
    transition: all 0.3s;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
}

.nav a:hover {
    color: #2e93fe;
    background: rgba(46, 147, 254, 0.1);
}

.nav-video {
    background: #2e93fe;
    color: #fff !important;
}

.nav-video:hover {
    background: #1a7ae8 !important;
    color: #fff !important;
}

/* 移动端导航样式 */
.mobile-menu-btn {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    z-index: 1000;
}

.mobile-menu-btn span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: #092e53;
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.mobile-menu-btn span:nth-child(3) { bottom: 0; }

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 40%;
}

@media (max-width: 768px) {
    .header {
        padding: 0 20px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 20px;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav a {
        width: 100%;
        text-align: center;
        padding: 12px;
    }

    .banner .wrapper {
        height: auto;
        padding: 40px 20px;
    }

    .banner_title {
        font-size: 36px;
    }

    .banner_desc {
        font-size: 20px;
    }

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

    .footer-section {
        margin-bottom: 30px;
        padding: 0 20px;
    }

    .footer-section:last-child {
        margin-bottom: 0;
    }
}

.banner {
    margin-top: 80px;
    background: linear-gradient(135deg, #eef6fd 0%, #ffffff 100%);
}

.banner .wrapper {
    max-width: 1000px;
    height: 500px;
}

.banner_title {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.banner_desc {
    font-size: 24px;
    line-height: 1.5;
    margin-bottom: 30px;
}

.banner_button {
    background: linear-gradient(135deg, #2e93fe 0%, #1a7ae8 100%);
    transition: all 0.3s;
}

.banner_button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 147, 254, 0.3);
}

.list {
    max-width: 1000px;
    padding: 100px 0;
}

.list .item .item_box {
    transition: all 0.3s;
}

.list .item .item_box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.footer {
    background: #092e53;
    color: #fff;
    padding: 40px 0 0;
}

.footer .wrapper {
    max-width: 1000px;
    margin: 0 auto 20px;
    display: flex;
    justify-content: space-between;
}

.footer-section {
    flex: 1;
    padding: 0 20px;
}

.footer-title {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #2e93fe;
}

.contact-info {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
}

.copyright {
    text-align: center;
    padding: 20px 0;
    background: #051a2f;
    color: rgba(255,255,255,0.6);
}
.copyright a{
    color: rgba(255,255,255,0.6);
}
.copyright a:hover{
    color: #2e93fe;
    text-decoration: underline;
}