/* 与帮助详情页一致的 banner；单独加载，避免改变标签列表样式。 */
.ost_help_banner {
    width: 100%;
    height: 300px;
    margin: 0 auto;
    overflow: hidden;
    background: #2866f4 url("../img/help-center-banner.jpg") center center / cover no-repeat;
}

.help-banner-content {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding-top: 55px;
    background: transparent !important;
    color: #fff;
    box-sizing: border-box;
}

.help-banner-kicker {
    margin-bottom: 14px;
    font-size: 14px;
    color: rgba(255, 255, 255, .9);
}

.help-banner-content h1 {
    margin: 0;
    font-size: 34px;
    line-height: 48px;
    color: #fff;
}

.help-banner-description {
    margin-top: 12px;
    font-size: 14px;
    line-height: 21px;
    color: rgba(255, 255, 255, .82);
}

.help-banner-button {
    display: inline-block;
    height: 38px;
    margin-top: 22px;
    padding: 0 20px;
    border-radius: 4px;
    background: #fff;
    color: #2866f4;
    font-size: 14px;
    font-weight: 600;
    line-height: 38px;
}

@media (max-width: 900px) {
    /* 标签列表保留固定宽度，banner 单独适应可视区域。 */
    .ost_help_banner {
        width: 100vw;
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 767px) {
    .ost_help_banner {
        height: 210px;
        background-position: 58% center;
    }

    .help-banner-content {
        width: 100%;
        padding: 24px 20px 0;
    }

    .help-banner-kicker {
        margin-bottom: 7px;
        font-size: 12px;
    }

    .help-banner-content h1 {
        font-size: 26px;
        line-height: 36px;
    }

    .help-banner-description {
        width: 220px;
        margin-top: 6px;
        font-size: 12px;
        line-height: 18px;
    }

    .help-banner-description br {
        display: none;
    }

    .help-banner-button {
        height: 32px;
        margin-top: 12px;
        padding: 0 14px;
        font-size: 12px;
        line-height: 32px;
    }

}

@media (max-width: 600px) {
    .help-banner-button {
        min-height: 40px;
        padding: 0 18px;
        font-size: 14px;
        line-height: 40px;
    }
}