.top-bar {
    height: 544px;
    padding-top: 64px;
    box-sizing: border-box;
    background: url('../images/bgi3.png');
    background-size: 100% 100%;
}

.top-bar .tb-con {
    height: 100%;
    position: relative;
    overflow: hidden;
}

.top-bar .tb-con img {
    position: absolute;
    bottom: -8px;
    left: -20px;
    width: calc(100% + 40px) !important;
}

.top-bar .blue-btn {
    position: absolute;
    left: 0;
    bottom: 82px;
}

/* 域名邮箱有什么作用 */
.what-usage {
    height: 724px;
    background: #F7F9FA;
    padding-top: 66px;
    box-sizing: border-box;
}

.page-title {
    height: 45px;
    font-size: 32px;
    font-weight: bold;
    line-height: 45px;
    text-align: center;
    color: #333333;
    margin-bottom: 12px;
}

.page-des {
    height: 28px;
    font-size: 20px;
    line-height: 28px;
    color: #333333;
    text-align: center;
}

.what-usage .wu-list {
    justify-content: space-between;
    text-align: center;
}

.what-usage .wu-item {
    width: 276px;
    height: 200px;
    background: #F7F9FA;
    padding-top: 40px;
    box-sizing: border-box;
    position: relative;
    margin-bottom: 32px;
}

.what-usage .wu-info-box {
    width: 276px;
    position: absolute;
    left: 0;
    top: 0;
    display: none;
    height: 200px;
    background: #fff;
    box-sizing: border-box;
    padding: 32px 16px 0;
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.06);
}

.what-usage .wu-img {
    width: 72px;
    height: 72px;
    margin: auto;
}

.what-usage .wu-title {
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
    color: #333333;
    margin-top: 35px;
}

.what-usage .wui-title {
    height: 28px;
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
    color: #2984EF;
    margin-bottom: 8px;
}

.what-usage .wui-des {
    border-top: 1px solid #CCCCCC;
    padding-top: 16px;
    font-size: 16px;
    font-weight: 500;
    line-height: 22px;
    color: #333333;
}

/* 腾讯企业邮箱 */
.tx-nav {
    padding-top: 36px;
}

.type-nav {
    height: 72px;
    margin-top: 32px;
    justify-content: center;
    width: 100%;
}

.type-nav .tn-item {
    flex: 1;
    justify-content: center;
    height: 72px;
    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
}

.type-nav .tn-item.tn-active {
    background: #DEEDFF;
    color: #2984EF;
    position: relative;
}

.type-nav .tn-item::before {
    content: '';
    display: block;
    width: 0;
    position: absolute;
    height: 4px;
    background: #2984EF;
    left: 0;
    bottom: 0;
}

.type-nav .tn-item.tn-active::before {
    content: '';
    display: block;
    width: 240px;
    position: absolute;
    height: 4px;
    background: #2984EF;
    transition: 8s;
    left: 0;
    bottom: 0;
}

.type-nav .tn-img {
    width: 24px;
    height: 24px;
    margin-right: 8px;
}

.tx-con {
    background-color: #F7F9FA;
    padding-top: 50px;
    padding-bottom: 72px;
}

.tx-con-list {
    min-height: 432px;
    margin-bottom: 48px;
    overflow: hidden;
    position: relative;
}

.type-con {
    width: 100%;
    animation:fadeInRight 1s;
    position: absolute;
    left: 0;
    top: 0;
}

.type-con.v-hide-opacity {
    animation:fadeOutRight 1s !important;
    opacity: 0;
}

@keyframes fadeInRight {
    from {
        transform: translateX(1200px);
        opacity: 0;
    }

    to {
        opacity: 1;
        transform: translateX(0px);
    }
}

@keyframes fadeOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(-1200px);
    }
}

.tx-con .type-list {
    justify-content: space-between;
}

.tx-con .type-list:nth-child(1) {
    margin-bottom: 32px;
}

.txc-item {
    width: 378px;
    height: 200px;
    box-sizing: border-box;
    padding: 28px 28px 0;
    border-radius: 4px;
    background-image: url('../images/bgitem.png');
    background-size: 100% 100%;
    box-shadow: -2px -2px 12px #FFFFFF;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.16);
}

.txc-title {
    font-size: 24px;
    font-weight: bold;
    line-height: 33px;
    color: #333333;
    margin-bottom: 16px;
}

.txc-des {
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
    color: #292929;
}

.tx-des {
    font-size: 20px;
    font-weight: 500;
    line-height: 36px;
    color: #292929;
    text-align: center;
}

/* 123456 */
.page-item {
    justify-content: space-between;
    color: #333333;
    height: 480px;
}

.page-item>div {
    max-width: 50%;
}

.page-item .pgi-des {
    font-size: 20px;
    line-height: 28px;
    margin-bottom: 20px;
}

.page-item .pge-text {
    flex: 1;
    overflow: hidden;
}

.page-item .pgi-title {
    padding-top: 28px;
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 45px;
}

.page-item .pgi-sort {
    height: 78px;
    font-size: 64px;
    font-family: DIN;
    font-weight: bold;
    line-height: 78px;
    margin-right: 7px;
}