* {
    font-family: 'Noto Sans SC';
}

img,
svg,
video {
    max-width: 100%;
    display: block;
}

/* ----主体内容----- */
/* 标题栏 */
.title-line>h2 {
    font-weight: bold;
    color: #333;
}

.title-line>h5 {
    margin-top: 25px;
    color: #999;
}

/* banner */
.banner {
    position: relative;
    min-height: 760px;
    display: flex;
    justify-content: center;
}

.banner>img {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    height: 100%;
    position: absolute;
    display: flex;
    justify-content: center;
}

.banner-text {
    max-width: 600px;
    color: #fff;
}

.banner-phone {
    max-width: 650px;
    position: relative;
}

.banner-phone>img {
    position: absolute;
    bottom: 0;
}

/* 核心方案 */
.core-program {
    margin-top: 120px;
}

.core-program-nav {
    display: flex;
    justify-content: space-around;
}

.core-program-nav-item {
    max-width: 400px;
    color: #333;
}

.core-program-nav-item>img {
    border-radius: 10px;
    border: 2px solid transparent;
}

.core-program-nav .active {
    color: #187dd5;
    position: relative;
}

.core-program-nav .active::after {
    content: '↓';
    font-size: 30px;
    position: absolute;
    left: 50%;
    bottom: -40px;
    transform: translate(-50%);
}

.core-program-nav .active>img {
    border: 2px solid #187dd5;
    transition: .3s ease-in-out;
}

.core-program-pill-tabs {
    margin-top: 120px;
}

/* 详细说明 */
.detailed {
    padding: 50px 0;
    background-color: #187dd5;
}

.detailed-title-line>h3 {
    font-weight: bold;
    color: #fff;
}

.detailed-title-line>h5 {
    margin-top: 25px;
    color: #e6e6e6;
}

.cloud-detailed-content {
    display: flex;
    flex-direction: column;
}

.cloud-detailed-content>div {
    display: flex;
    justify-content: space-around;
}

.cloud-detailed-item {
    min-width: 220px;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-radius: 6px;
    margin-top: 40px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.cloud-detailed-item>img {
    max-width: 80px;
}

.cloud-detailed-img-active {
    display: none;
}

.cloud-detailed-item::after {
    content: '';
    position: absolute;
    bottom: -20px;
    width: 140px;
    height: 140px;
    border: 20px solid #33333310;
    border-radius: 50%;
}

.cloud-detailed-item:hover {
    color: #fff;
    background-color: #333;
    transition: .3s;
    transform: scale(1.1);
    backface-visibility: hidden;
}

.cloud-detailed-item:not(hover) {
    color: #333;
    background-color: #fff;
    transition: .3s;
    transform: scale(1);
    backface-visibility: hidden;
}

.cloud-detailed-item:hover::after {
    content: '';
    position: absolute;
    bottom: -20px;
    width: 140px;
    height: 140px;
    background-color: #ffffff10;
    border-radius: 50%;
}

.cloud-detailed-item:hover .cloud-detailed-img {
    display: none;
}

.cloud-detailed-item:hover .cloud-detailed-img-active {
    display: block;
}

/* 核心理念 */
.core-concepts {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 650px;
    background-image: url('../../img/solution/core_concepts_img.png');
    background-size: cover;
}

.core-concepts-content {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
}

.core-concepts-item {
    min-width: 320px;
    cursor: pointer;
}

.core-concepts-title {
    color: #187dd5;
}

.core-concepts-item-content {
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 0 12px -1px #33333312;
    padding: 20px 0;
}

.core-concepts-item:hover .core-concepts-item-content {
    transform: scale(1.03);
    backface-visibility: hidden;
    transition: .3s ease-in-out;
    border: 1px solid #ececec80;
}

.core-concepts-item:not(hover) .core-concepts-item-content {
    transform: scale(1);
    backface-visibility: hidden;
    transition: .3s ease-in-out;
    border: 1px solid transparent;
}

.core-concepts-sub-item {
    cursor: pointer;
}

.core-concepts-sub-item .core-concepts-item-content {
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 0 12px -1px #33333312;
    padding: 20px;
}

.core-concepts-sub-item .core-concepts-item-content>p {
    font-size: 18px;
}

.core-concepts-sub-item:hover .core-concepts-item-content {
    transform: scale(1.03);
    transition: .3s ease-in-out;
    border: 1px solid #ececec80;
}

.core-concepts-sub-item:not(hover) .core-concepts-item-content {
    transform: scale(1);
    transition: .3s ease-in-out;
    border: 1px solid transparent;
}

.core-concepts-item-title {
    background-color: #187dd5;
    line-height: 35px;
    padding: 0 10px;
    border-radius: 30px;
    font-size: 17px;
    color: #ffffff;
    text-align: center;
}

.core-concepts-item-text {
    color: #187dd5;
    list-style: none;
    margin-top: 20px;
    margin-bottom: 0;
    margin-left: 20px;
}

.core-concepts-item-text>li {
    position: relative;
    line-height: 48px;
    font-size: 17px;
}

.core-concepts-item-text>li::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: #187dd5;
    position: absolute;
    left: -20px;
    top: 50%;
    border-radius: 50%;
    transform: translate(0, -50%);
}

.tradition * {
    color: #999 !important;
}

.tradition .core-concepts-item-title {
    color: #fff !important;
    background-color: #999;
}

.tradition .core-concepts-item-text>li::before {
    background-color: #999;
}

/* 用户说 */
.user-said {
    text-align: center;
    background-color: #187dd5;
    padding: 100px 0;
    color: #fff;
}

.user-said-swiper-container {
    overflow: hidden;
    position: relative;
}

.user-said-swiper-container .swiper-slide-content {
    display: flex;
    align-items: center;
    flex-direction: column;
}

.user-said-cloud .swiper-slide-content>img {
    max-width: 180px;
    border: 10px solid #fff;
    border-radius: 50%;
}

.user-said-cloud .swiper-slide-content>div {
    max-width: 360px;
    font-size: 18px;
    color: #f5f5f5;
}

.user-said-swiper-container .swiper-slide-content>img {
    max-width: 180px;
}

.user-said-swiper-container .swiper-slide-content>div {
    max-width: 360px;
    font-size: 18px;
    color: #f5f5f5;
}

.user-said-prev,
.user-said-next {
    color: unset !important;
}

/* 渐显效果 */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.5s ease-in-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 首部渐显 */
.fade-in-first {
    animation-name: fade-in;
    animation-duration: .6s;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}