.top-box {
    height: 544px;
    background: radial-gradient(circle, #DFEEFF 0%, #FFFFFF 100%);
    box-sizing: border-box;
    padding-top: 136px;
}

.top-box .tb-main {
    position: relative;
}

.top-box .tb-img {
    position: absolute;
    width: 658px;
    height: 408px;
    right: 106px;
}

.top-box .tb-iptg {
    width: 320px;
    height: 337px;
    z-index: 1;
    background: #FFFFFF;
    box-sizing: border-box;
    padding: 24px 20px 0;
}

.top-box .apply_t {
    width: 600px;
    height: 200px;
    margin-bottom: 58px;
}

.top-box .apply-pop {
    width: 320px;
    height: 36px;
}

.top-box .tb-title {
    height: 25px;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    line-height: 25px;
    color: #333333;
}

.top-box .tb-input {
    margin-bottom: 12px;
}

.top-box .tb-input input {
    width: 280px;
    height: 40px;
    background: #FFFFFF;
    border: 1px solid #E6E6E6;
    border-radius: 4px;
    outline: none;
    text-indent: 16px;
}

#tp-submit {
    width: 280px;
    height: 40px;
    background: #2984EF;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    line-height: 40px;
    color: #FFFFFF;
    text-align: center;
    cursor: pointer;
    margin: 24px 0 16px;
}

.top-box .tp-chat {
    font-size: 14px;
    line-height: 20px;
    color: #000;
    text-align: center;
}

/* 怎么开通企业邮箱 */
.how-open {
    height: 609px;
    box-sizing: border-box;
    padding-top: 80px;
}

.apply-page-title {
    font-size: 32px;
    font-weight: 500;
    line-height: 45px;
    color: #333333;
    text-align: center;
    margin-bottom: 4px;
}

.how-open .ho-des {
    text-align: center;
    font-size: 20px;
    font-weight: 400;
    line-height: 28px;
    color: #333333;
    margin-bottom: 39px;
}

.how-open .num-list {
    font-size: 28px;
    font-family: TencentSans;
    font-weight: normal;
    color: #FFFFFF;
    margin-bottom: 24px;
}

.how-open .ho-num {
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: #C7AC84;
    border-radius: 4px;
}

.how-open .ho-line {
    flex: 1;
    height: 1px;
    background: #CCCCCC;
}

.how-open .ho-item {
    width: calc(25% - 36px);
    margin-right: 36px;
    height: 174px;
    box-shadow: 0px 2px 16px rgba(0, 0, 0, 0.06);
    border-radius: 2px;
    box-sizing: border-box;
    padding: 20px 20px 0 20px;
}

.how-open .hoi-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 25px;
    color: #333333;
    margin-bottom: 12px;
}

.how-open .hoi-des {
    font-size: 16px;
    line-height: 24px;
    color: #333333;
}

.how-open .ho-btng {
    margin-top: 55px;
    justify-content: center;
}

/* 为什么要选腾讯企业邮箱 */

.why-use {
    height: 716px;
    box-sizing: border-box;
    padding-top: 76px;
}

.why-use .wu-icon {
    width: 64px;
    height: 64px;
    margin: auto;
    margin-bottom: 12px;
}

.why-use .wu-item {
    flex: 1;
    box-sizing: border-box;
    padding: 0 45px;
    text-align: center;
    color: #333333;
    margin-bottom: 24px;
    height: 200px;
}

.why-use .wu-title {
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
    margin-bottom: 8px;
}

.why-use .wu-des {
    font-size: 16px;
    line-height: 22px;
}

.type-nav {
    height: 72px;
    background: #F5F7FA;
    justify-content: center;
}

.type-nav .tn-item {
    width: 240px;
    justify-content: center;
    height: 72px;
    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
    color: #999999;
}

.tx-con-list {
    min-height: 600px;
    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);
    }
}

.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;
}

.case {
    padding-top: 97px;
    height: 612px;
    text-align: center;
    box-sizing: border-box;
}

.case .case-title {
    height: 45px;
    font-size: 32px;
    font-weight: 500;
    line-height: 45px;
    color: #333333;
    margin-bottom: 19px;
}

.case .case-des {
    height: 28px;
    font-size: 20px;
    line-height: 28px;
    color: #333333;
    margin-bottom: 39px;
}

.case .case-list {
    justify-content: space-between;
    margin-bottom: 24px;
}

.case .case-item {
    width: 180px;
    height: 80px;
}