.case-section {
    position: relative;
    padding-top: 60px;
}

.case-section.no-case-brand {
    padding-top: 0px;
}

.case-brand {
    position: relative;
    max-width: 1200px;
    margin: 0px auto;
    /* position: sticky; */
    /* top: 280px; */
    z-index: 99;
}

.case-brand .case-brand-content {
    position: absolute;
    width: 100%;
    top: -120px;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    border-radius: 20px;
    box-shadow: 0px 2px 30px 0px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.case-brand .case-brand-content .case-brand-logo {
    width: 25%;
    padding-right: 40px;
    border-right: 1px solid #333;
}

.case-brand .case-brand-content .case-brand-intro {
    width: 75%;
    padding-left: 40px;
}

.case-brand .case-brand-content .case-brand-intro .case-brand-name {
    font-size: 22px;
    line-height: 1.5;
}

.case_content_right .case-card {
    padding-top: 20px;
    position: relative;
    position: sticky;
    top: 160px;
}

.case_content_right .case-card .case-card-model {
    padding: 0 35px;
    width: 100%;
    position: absolute;
    top: 0;
}

.case_content_right .case-card .case-card-model .case-card-model-name {
    background-color: #333;
    border-radius: 10px;
    color: #fff;
    height: 40px;
    line-height: 40px;
}

.case_content_right .case-card .case-card-content {
    padding: 50px 35px 30px;
    background: #f5f5f5;
}

.case_content_right .case-card .case-card-content .case-card-title {
    font-size: 22px;
    margin-bottom: 20px;
}

.case_content_right .case-card .case-card-content .case-card-desc,
.case_content_right .case-card .case-card-content .case-card-btn {
    margin-bottom: 20px;
}

.case_content_right .case-card .case-card-content .case-card-contact {
    line-height: 2;
}

.case_content_right .case-card .case-card-content .case-card-contact i {
    margin-right: 5px;
}

.case_content_right .case-card .case-card-content .case-card-contact a {
    color: #777;
    cursor: pointer;
    text-decoration: none;
}

.case_content_right .case-card .case-card-content .case-card-contact a:hover {
    color: #E10E13;

}

.text-red {
    color: #E10E13;
}