.action--site-product_and_service .top-menu-link span {
    color: #333;  
}

.action--site-product_and_service .scrolled span {
    color: #ffffff;
}

.banner .wrapper {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

section.overview {
    border-bottom: 1px solid #d2d2d2;
}

section.overview .wrapper {
    position: relative;
    height: 100%;
    display: flex;
    align-items: stretch;
    padding-left: 20px;
    padding-right: 20px;
}

section.overview .wrapper>* {
    flex: 0 0 50%;
}

.product-img {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-img img {
    width: 100%;
}

section.overview .intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 60px;
    padding-top: 60px;
    padding-bottom: 60px;
}

section.overview .intro h1 {
    line-height: 40px;
}

.intro p {
    line-height: 1.67em;
    color: #333;
    text-indent: 2em;
}

.intro p span {
    color: #333333 !important;
}

section.features {
    padding: 70px 0 80px;
}

section.features .section-header {
    margin-bottom: 15px;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-bottom: 10px;
}

.feature {
    padding-top: 5px;
    padding-bottom: 15px;
    flex: 1;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    text-align: center;
    cursor: pointer;
}

.feature.active,
.feature:hover {
    color: #e5071e;
}


/*.feature:hover{
    background-color: rgba(229, 7, 30, .05);
}*/

.feature img {
    width: 100%;
    flex: 0 0 75px;
    height: 75px;
    object-fit: scale-down;
    object-position: center;
    display: block;
}

.feature img.active {
    display: none;
}

.feature.active img,
.feature:hover img {
    display: none;
}

.feature.active img.active,
.feature:hover img.active {
    display: block;
}

.feature-content-list {
    position: relative;
    height: 480px;
    overflow: hidden;
}

.feature-content {
    width: 100%;
    height: 100%;
    flex-direction: column;
    /* padding: 0 50% 0 55px; */
    padding: 0px;
    display: flex;
    visibility: hidden;
    color: white;
    justify-content: center;
    transition: 0s .3s;
    transform: translateY(100%);
    position: absolute;
    left: 0;
    top: 0;
}

.feature-content-desc {
    max-height: 180px;
    overflow: auto;
}

.feature-content>* {
    z-index: 210;
}

.feature-content.active {
    visibility: visible;
    transform: none;
    transition: .3s cubic-bezier(.8, 0, 0, .8);
    z-index: 270;
}

.feature-back {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    z-index: 190;
}

.feature-icon {
    height: 125px;
    margin-bottom: 15px;
}

.feature-icon img {
    max-height: 100%;
}

.feature-content .name {
    font-size: 20px;
    margin-bottom: .25em;
}

.feature-content .desc {
    max-width: calc(50% - 60px);
}

section.scenarios {
    background-color: #eee;
    padding: 70px 0 80px;
}

section.scenarios .section-header {
    margin-bottom: 35px;
}

.scenario-list {
    height: 480px;
    color: white;
    background: url("../images/fire_eyes_application_scenarios_back.jpg");
    display: flex;
}

.scenario {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    border-right: 1px solid rgba(255, 255, 255, .3);
    /*定义动画*/
    transition: 0s .6s;
    transform: translateY(100%);
    cursor: pointer;
}

.scenario:not(.active):hover {
    background-color: rgba(229, 7, 30, .2);
}

.scenario:last-of-type {
    border-right: none;
}

/*自定义*/
.scenario.active {
    flex: 3;
    padding:80px 0;
    visibility: visible;
    transform: none;
    transition: 1.5s cubic-bezier(.8, 0, 0, .8);z-index: 270
}

.scenario-icon {
    height: 100%;
    border-right: 1px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: .3s;
}

.scenario-icon img {
    margin-bottom: 20px;
}

.scenario.active .scenario-icon {
    border-right: 1px solid #d51521;
    flex: 0 0 300px;
}

.scenario .desc {
    justify-content: center;
    flex-direction: column;
    padding: 0 65px;
    display: none;
}

.scenario .desc p {
    height: 6em;
    overflow: hidden;
}

.scenario.active .desc {
    display: flex;
}

@media (max-width: 1440px) {
    section.overview .intro {
        padding-right: 0;
    }
    section.overview .intro h1 {
        font-size: 30px;
    }
    .scenario .desc p {
        height: 7.5em;
    }
    .scenario.active .scenario-icon {
        flex: 0 0 275px;
    }
    .scenario .desc {
        padding: 0 50px;
    }
}

@media (max-width: 1280px) {
    .feature {
        flex: 1;
    }
    .feature img {
        flex: 0 0 45px;
        height: 45px;
        margin-bottom: 10px;
    }
    .feature-content-list {
        height: 420px;
    }
    .feature-icon {
        height: 100px;
        margin-bottom: 30px;
    }
    .scenario .desc p {
        height: 9em;
    }
    .scenario.active .scenario-icon {
        flex: 0 0 250px;
    }
    .scenario .desc {
        padding: 0 40px;
    }
}

@media(max-width: 960px) {
    section.overview .wrapper {
        padding-top: 20px;
    }
    .feature {
        padding: 15px 0;
    }
    .feature img {
        flex: 0 0 35px;
        height: 35px;
        margin-bottom: 10px;
    }
    .feature-icon {
        height: 80px;
    }
    .feature-content {
        padding: 0 40px;
    }
    .scenario-list {
        flex-direction: column;
    }
    .scenario {
        flex: 0 0 200px;
        border-top: 1px solid rgba(255, 255, 255, .3);
        border-right: none;
    }
    .scenario.active .scenario-icon {
        flex: 0 0 33%;
    }
    .scenario .desc {
        padding: 0 30px;
    }
    .scenario .desc p {
        height: auto;
    }
}

@media(max-width: 800px) {
    section.overview .wrapper {
        padding-top: 80px;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    section.overview .wrapper>* {
        max-width: 600px;
    }
}

@media(max-width: 640px) {
    .feature-list {
        flex-wrap: wrap;
    }
    .feature {
        flex: 0 0 calc(100% / 3);
    }
    .scenario.active {
        padding: 45px 0;
    }
    section.overview .intro h1 {
        font-size: 22px;
        line-height: 30px;
    }
    section.overview .intro {
        padding-top: 0px;
        padding-bottom: 20px;
    }
    #page-ctn .overview_top {
        padding-top: 0px;
    }
    section.overview .wrapper {
        padding-top: 60px;
    }
}

@media(max-width: 480px) {
    .feature {
        flex: 0 0 calc(100% / 2);
    }
    .scenario {
        padding: 45px 0;
        flex: auto;
    }
    .scenario.active .scenario-icon {
        border-right: none;
        flex: auto;
        margin-bottom: 20px;
    }
    .scenario.active {
        flex-direction: column;
        flex: 1;
        height: auto;
    }
    .scenario-list {
        height: auto;
    }
}

.feature-hide-tab.feature-list {
    display: none;
}

.feature-hide-tab.feature-content-list {
    margin-top: 40px;
}

.feature-content.feat-icon .feature-icon {
    display: none;
}

.feature-content.feat-icon .feature-content-desc {
    max-height: 80%;
}