a:hover {
    text-decoration: none;
}

.head_wrap {
    width: 100%;
    height: 50px;
    background: #fff;
    position: relative;
    z-index: 99;
    opacity: 0.5
}

.logo {
    width: 180px;
    display: block;
    height: 50px;
    line-height: 50px;
    margin-left: 20px;
}

.logo img {
    width: 100%;
}

.navbar {
    margin-bottom: 0;
    min-height: 50px
}

.navbar-nav li.active a {
    color: #305DC8;
}

.navbar-nav li a {
    color: #18181A;
}

.nav>li>a:hover {
    text-decoration: none;
    background-color: transparent;
    color: #305DC8;
}

.navbar-toggle .icon-bar {
    background-color: #eee;
}

.navbar-toggle {
    background-color: #fff;
}

.flex_div_between {
    display: flex;
    justify-content: space-between;
    flex-wrap: nowrap;
}

.flex_div_center {
    display: flex;
    justify-content: center;
    flex-wrap: nowrap;
}

.flex_div_wrap {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.flex_div {
    display: flex;
    flex-wrap: nowrap;
}

.fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
    box-shadow: 0 1px 6px rgb(0 0 0 / 20%);
}


/* 通用底部 */

.footer {
    height: 60px;
    line-height: 60px;
    border-top: 1px solid #f1f1f1;
    text-align: center;
    margin-top: 20px;
}


/* banner */

.tilt-component {
    overflow: hidden;
    position: relative;
}

.banner_wrap {
    width: 100%;
    /* height: 584px; */
    height: 292px;
    background: url('../imgs/banner.jpg') no-repeat;
    background-size: cover;
}

.banner_content {
    animation: slogan-up .5s linear;
    /* margin-top: 160px; */
    margin-top: 80px;
}

.banner_content .main-content-1 {
    font-size: 44px;
    font-weight: 600;
    letter-spacing: 4.4px;
    line-height: 60px;
    color: #1d1e20;
}

.banner_content .main-content-1-sub {
    margin-top: 9px;
    font-size: 16px;
    line-height: 28px;
    font-weight: 400;
    color: #6c6f75;
    letter-spacing: 1px;
}

.index-content {
    background: #fff;
    padding-top: 60px;
}

.scale_img {
    animation: 4s linear 3.7s infinite normal none running;
    transition-duration: 3s;
}

.mian_title {
    font-size: 32px;
    line-height: 1.5;
    font-weight: 600;
    color: #1d1e20;
}

.sub_title {
    margin-top: 10px;
    font-size: 16px;
    line-height: 28px;
    font-weight: 400;
    color: #6c6f75;
}

@keyframes arrow-up {
    0% {
        transform: translate(-15px, 14px);
    }
    50% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(15px, -14px);
    }
}

@keyframes slogan-up {
    0% {
        opacity: 0;
        transform: translate(0, 50px);
    }
    100% {
        opacity: 1;
        transform: translate(0, 0);
    }
}


/* 产品列表 */

.card {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 0.25rem;
    box-shadow: 0 1px 6px rgb(0 0 0 / 20%);
    padding: 16px;
    margin-bottom: 20px;
    transition: 0.5s linear;
}

.card:hover {
    transform: scale(1.02);
}

.card-body {
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    min-height: 1px;
    padding: 1.25rem;
}

.card-title {
    /* margin-bottom: 0.75rem; */
    margin-bottom: 20px;
    color: #333;
}

.card-subtitle {
    margin-top: 10px;
    margin-bottom: 15px;
    color: #999;
    font-size: 12px;
}

.card-text {
    margin-bottom: 15px;
    color: #666;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-link:hover {
    text-decoration: none;
}

.card-link+.card-link {
    margin-left: 1.25rem;
}


/* 产品详情 banner位置开始*/

.top {
    background-color: #fff;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    color: #212326;
    height: 584px;
    position: relative;
    margin-top: 0;
    user-select: none;
}

.normal-width,
.top-normal-width {
    width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.product-top {
    padding: 40px 0;
    margin-top: 30px;
}

.product-top .top-content {
    margin-top: 100px;
    display: inline-block;
    width: auto;
}

.product-top .product-top-logo {
    display: inline-block;
    margin-bottom: 30px;
}

.product-top .product-top-title {
    /* width: 442px; */
    width: 100%;
    font-size: 44px;
    font-weight: 600;
    letter-spacing: 4.4px;
    line-height: 60px;
    color: #1d1e20;
    /* color: #fff; */
}

.product-top .product-top-subtitle {
    /* width: 442px; */
    width: 100%;
    font-size: 16px;
    line-height: 28px;
    font-weight: 400;
    letter-spacing: 1px;
    color: #6c6f75;
    margin-top: 10px;
    /* color: #fff; */
}

.top-content .top-content-try {
    margin-top: 20px;
}

.top-content .top-content-try .top-content-concat-button.top,
.top-content .top-content-try .top-content-try-button.top {
    box-shadow: 0 20px 24px 0 rgb(255 105 74 / 15%), 0 8px 16px 0 rgb(252 101 69 / 5%);
}

.top-content .top-content-try .top-content-concat-button,
.top-content .top-content-try .top-content-try-button {
    width: 120px;
    height: 44px;
    border-radius: 3px;
    background-image: linear-gradient(to right, #ff6a4c, #f24e24 100%);
    cursor: pointer;
    display: inline-block;
    line-height: 44px;
    text-align: center;
    color: #fff;
    vertical-align: top;
    font-size: 18px;
}

.product-top .product-project-image {
    float: right;
    /* width: 488px;
    height: 488px; */
    width: 100%;
    margin: auto;
    text-align: center;
}

.product-top .product-project-image img {
    width: 100%;
}


/* 产品详情 banner位置结束*/


/* 产品功能介绍开始 */


/* 产品功能介绍结束 */

.index-pc {
    display: block;
}

.index-mobile {
    display: none;
}


/* 列表banner */


/* .solution-top-bg {
    background-image: url('../imgs/solutions-bg-086e2e8ce1.png'), linear-gradient(182deg, #fff, #e6f0ff);
    background-size: cover;
    background-position: center;
    overflow: hidden;
} */

.solution-top-bg {
    width: 100%;
    height: 300px;
    background: linear-gradient(to right, #2e77e5, #004cbf);
    /* margin-top: 60px; */
    position: relative;
    color: #fff;
}

.solution-top {
    max-width: 1440px;
    margin: auto;
    /* height: 510px; */
    height: 300px;
    position: relative;
}

.solution-top .solutions-top-bg {
    position: absolute;
    bottom: 0;
    z-index: 0;
}


/* .solution-top .top-content {
    position: relative;
    text-align: center;
    padding-top: 80px;
    width: 720px;
    z-index: 1;
} */

.solution-top .top-content {
    position: absolute;
    text-align: center;
    padding-top: 80px;
    width: 720px;
    z-index: 1;
    left: 50%;
    margin-left: -360px;
}

.solution-top .solutions-top-bg.left-bg {
    left: 0;
}

.solution-top .solutions-top-bg.right-bg {
    right: 0;
}

.solution-top .top-content .top-title {
    font-size: 44px;
    font-weight: 500;
    line-height: 60px;
    letter-spacing: 4.4px;
    text-align: center;
    /* color: #1d1e20; */
    margin-bottom: 10px;
    color: #fff;
}

.top-content {
    animation: slogan-up .5s linear;
}

.solution-top .top-content .top-subtitle {
    font-size: 16px;
    line-height: 28px;
    text-align: center;
    font-weight: 400;
    /* color: #6c6f75; */
    margin: auto auto 20px;
    color: #fff;
}


/* 适用场景开始 */

#solutions .solution-matrix {
    margin-top: 20px;
}

#solutions .product-matrix-and-scene {
    padding: 80px 0 0;
}

#solutions .product-matrix-and-scene .product-scene-card {
    width: 40%;
    vertical-align: top;
    height: auto;
    margin-top: 30px;
    display: inline-block;
    position: relative;
}

#solutions .product-matrix-and-scene .product-scene-card:nth-child(2n) {
    margin-left: 12%;
}

#solutions .content-title {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    color: #1d1e20;
}

#solutions .product-matrix-and-scene .product-scene-card .product-scene-card-img {
    margin-bottom: 20px;
}

#solutions .product-matrix-and-scene .product-scene-card .product-scene-card-img img {
    object-fit: contain;
    vertical-align: top;
}

#solutions .product-scene-card-title {
    font-size: 20px;
    height: 30px;
    line-height: 1.5;
    letter-spacing: 1.2px;
    color: #1d1e20;
    font-weight: 500;
}

#solutions .product-matrix-and-scene .product-scene-card .product-scene-card-intro {
    height: 72px;
    margin-bottom: 30px;
    font-size: 14px;
    line-height: 24px;
    color: #45464a;
    font-weight: 400;
    margin-top: 10px;
}

#solutions .product-matrix-and-scene .product-scene-card:nth-child(2n) {
    margin-left: 12%;
}


/* 适用场景结束 */


/* 意义开始 */

.about-us {
    margin-bottom: 60px;
}

.introduction-title {
    height: 48px;
    font-size: 32px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 2.56px;
    color: #1d1e20;
    margin: 0 0 20px;
    text-align: center;
}

.introduction-line {
    height: 1px;
    background: #dadde3;
    width: 100%;
}

.about-us .about-us-content {
    margin-left: auto;
    margin-right: auto;
}

.about-us .content .content-text {
    font-size: 16px;
    line-height: 28px;
    color: #1d1e20;
    font-weight: 400;
    margin-top: 20px;
}

.about-us .content .content-text:first-child {
    margin-top: 40px;
}

.introduction-title.normal {
    margin-top: 60px;
}


/* 意义结束 */

@media screen and (min-width: 768px) and (max-width: 991px) {
    /* 产品详情 banner位置开始*/
    .product-top {
        height: auto;
        padding: 50px 30px 0;
        margin-top: 10px;
    }
    .normal-width {
        width: 100%;
    }
    .product-top .top-content {
        margin-top: auto;
    }
    .product-top .product-top-logo {
        margin-bottom: 20px;
    }
    .solution-top-bg {
        background-position: center bottom;
        background-repeat: no-repeat;
    }
    .solution-top {
        height: 410px;
    }
    .solution-top .solutions-top-bg.left-bg {
        left: -40px;
    }
    .solution-top .solutions-top-bg {
        width: 280px;
        height: 268px;
    }
    .solution-top .solutions-top-bg.right-bg {
        right: -40px;
    }
    .solution-top .top-content {
        padding-top: 110px;
        width: 100%;
    }
    .solution-top .top-content .top-title {
        font-size: 32px;
        line-height: 60px;
        letter-spacing: 1px;
    }
    .solution-top .top-content .top-subtitle {
        width: 495px;
        font-size: 14px;
        line-height: 24px;
        color: #727c86;
    }
    .index-pc {
        display: none;
    }
    .index-mobile {
        display: block;
    }
    /* 产品详情 banner位置结束*/
    /* 产品功能介绍开始 */
    /* 产品功能介绍结束 */
    /* 场景开始 */
    #solutions .product-matrix-and-scene {
        padding: 50px 30px;
    }
    #solutions .content-title {
        font-size: 24px;
        letter-spacing: 1px;
        text-align: left;
    }
    #solutions .solution-matrix {
        margin-top: 10px;
    }
    #solutions .product-matrix-and-scene .product-scene-card {
        width: 42%;
    }
    #solutions .product-matrix-and-scene .product-scene-card:nth-child(2n) {
        margin-right: 0;
        margin-left: 7%;
    }
    #solutions .product-matrix-and-scene .product-scene-card .product-scene-card-img {
        width: 56px;
        height: 45px;
        margin-top: auto;
    }
    #solutions .product-scene-card-title {
        font-size: 16px;
        line-height: 28px;
        letter-spacing: .8px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    #solutions .product-scene-card-intro {
        font-size: 14px;
        line-height: 24px;
        color: #575a61;
        height: auto;
        margin-bottom: 10px;
    }
    /* 场景结束 */
    /* 意义开始 */
    .introduction-title {
        font-size: 24px;
        font-weight: 600;
        line-height: 48px;
        letter-spacing: 2px;
        margin: 0 0 10px;
        text-align: left;
    }
    .about-us .introduction-line {
        display: none;
    }
    .about-us .about-us-content.intro .content .content-text {
        margin-top: 10px;
        font-size: 14px;
        line-height: 24px;
    }
    .introduction-title.normal {
        margin-top: 50px;
    }
    /* 意义结束 */
}

@media screen and (min-width: 200px) and (max-width: 767px) {
    /* 产品详情 banner位置开始*/
    .navbar-collapse {
        background: #fff;
    }
    .navbar {
        right: -20%;
    }
    .product-top {
        height: auto;
        padding: 30px 20px 0;
        margin-top: 0;
    }
    .normal-width {
        /* width: 555px; */
        width: 100%;
    }
    .product-top .top-content {
        margin-top: auto;
    }
    .product-top .product-top-logo {
        margin-bottom: 20px;
    }
    .product-top .product-top-title {
        font-size: 24px;
        letter-spacing: 2.4px;
    }
    .product-top .product-top-subtitle {
        font-size: 12px;
    }
    .product-top .product-project-image img {
        width: 100%;
    }
    .index-pc {
        display: none;
    }
    .index-mobile {
        display: block;
    }
    .solution-top {
        height: 440px;
    }
    .solution-top .solutions-top-bg.left-bg {
        left: -100px;
    }
    .solution-top .solutions-top-bg.right-bg {
        right: -100px;
    }
    .solution-top .top-content .top-title.special {
        width: 330px;
    }
    .solution-top .top-content {
        width: 335px;
        position: relative;
        text-align: center;
        padding-top: 160px;
        z-index: 1;
    }
    .solution-top .top-content .top-title {
        font-size: 32px;
        line-height: 40px;
        margin: auto auto 10px;
    }
    .solution-top .top-content .top-subtitle {
        width: 335px;
    }
    /* 产品详情 banner位置结束*/
    /* 产品功能介绍开始 */
    /* 产品功能介绍结束 */
    /* 场景开始 */
    #solutions .product-matrix-and-scene {
        padding: 50px 20px 0;
    }
    #solutions .content-title {
        font-size: 24px;
        letter-spacing: 1px;
        text-align: left;
    }
    #solutions .solution-matrix {
        margin-top: 10px;
    }
    #solutions .product-matrix-and-scene .product-scene-card {
        width: 45%;
        height: 300px;
        margin-right: 0;
    }
    #solutions .product-matrix-and-scene .product-scene-card:nth-child(2n) {
        margin-left: 8%;
        margin-right: 0;
    }
    #solutions .product-matrix-and-scene .product-scene-card .product-scene-card-img {
        width: 56px;
        height: 45px;
        margin-top: auto;
    }
    #solutions .product-scene-card-title {
        letter-spacing: 0;
        height: auto;
        font-size: 16px;
        line-height: 28px;
    }
    /* #solutions .product-scene-card-title {
        font-size: 16px;
        line-height: 28px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    } */
    #solutions .product-scene-card-intro {
        font-size: 14px;
        line-height: 24px;
        color: #575a61;
        height: auto;
        margin-bottom: 10px;
    }
    #solutions .product-scene-card-intro {
        letter-spacing: 0;
    }
    /* 场景结束 */
    .about-us {
        padding: 0 10px;
    }
    .introduction-title {
        font-size: 24px;
        font-weight: 600;
        line-height: 48px;
        letter-spacing: 2px;
        margin: 0 0 10px;
        text-align: left;
    }
    .about-us .introduction-line {
        display: none;
    }
    .about-us .about-us-content.intro .content .content-text {
        margin-top: 10px;
        font-size: 14px;
        line-height: 24px;
    }
}