body {
    background-image: none;
}

/* banner start */

.banner {
    width: 100%;
    position: relative;
    overflow: hidden;
    background-image: none;
}

.banner img {
    width: 100%;
}

/* banner end */

/* case start */

.case {
    width: 100%;
    padding: 70px 0;
    overflow: hidden;
    position: relative;
}

.case .title {
    margin-bottom: 70px;
}

.case .title h2 {
    font-size: 6rem;
    font-weight: 700;
    color: var(--white-color);
    line-height: 1.2;
    text-align: center;
}
.case .title p {
    margin-top: 30px;
    font-size: 2.3rem;
    font-weight: 400;
    color: #cfcee0;
    line-height: 1.6;
    width: 100%;
    text-align: center;
}

/* main */

.case .main {
    display: flex;
    justify-content: space-between;
}

.case .main .item {
    width: 32%;
    background-color: #fff;
}

.case .main .item h4 {
    font-family: var(--second-font);
    font-size: 3rem;
    font-weight: 700;
    color: var(--black-color);
    padding: 15px 0;
    width: 100%;
    background-color: var(--accent-color);
    text-align: center;
}

.case .main .item ul {
    display: block;
    padding: 15px 10px 40px 10px;
}

.case .main .item ul li {
    font-family: var(--second-font);
    font-size: 1.9rem;
    font-weight: normal;
    color: var(--black-color);
    line-height: 1.6;
    margin-bottom: 15px;
}

.case .main .item ul li.last {
    margin-bottom: 0;
}

.case .main .item ul li i.bx {
    font-size: 2.7rem;
    color: var(--accent-color);
    margin-top: 2px;
    margin-right: 3px;
}

/* sub li */
.case .main .item ul li.sub {
    font-family: var(--second-font);
    font-size: 1.7rem;
    font-weight: normal;
    color: var(--black-color);
    line-height: 1.6;
    margin-bottom: 10px;
    margin-left: 20px;
}

.case .main .item ul li.sub i.bx {
    font-size: 2.3rem;
    color: var(--accent-color);
}

/* case end */

/* studies start */

.studies {
    padding-bottom: 80px;
}

.studies .main {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.studies .main .lt {
    width: 20%;
    height: auto;
    background-color: #342e92;
    display: flex;
    align-items: center;
    padding: 15px;
}

.studies .main .lt h5 {
    font-family: var(--second-font);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--white-color);
}

.studies .main .lt h5 span {
    font-family: var(--second-font);
    font-size: 1.6rem;
    font-weight: 400;
    color: #c0bdee;
}

.studies .main .rt {
    width: 80%;
    background-color: #1c1b2a;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    text-align: center;
    flex-wrap: wrap;
}

.studies .main .rt a {
    width: 18%;
    background-color: #34344c;
    padding: 15px;
    text-align: center;
}

.studies .main .rt a img.white {
    width: auto;
    display: block;
    transition: var(--trans);
    margin: 0 auto;
}

.studies .main .rt a img.black {
    width: auto;
    display: none;
    transition: var(--trans);
    margin: 0 auto;
}

.studies .main .rt a p {
    font-family: var(--second-font);
    font-size: 1.7rem;
    font-weight: 500;
    color: #cccce9;
    margin-top: 25px;
}

.studies .main .rt a:hover {
    background-color: var(--accent-color);
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, .8);
}

.studies .main .rt a:hover img.white {
    display: none;
}

.studies .main .rt a:hover img.black {
    display: block;
}

.studies .main .rt a:hover p {
    color: #000;
}

/* active */
.studies .main .rt a.active {
    background-color: var(--accent-color);
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, .8);
}

.studies .main .rt a.active img.white {
    display: none;
}

.studies .main .rt a.active img.black {
    display: block;
}

.studies .main .rt a.active p {
    color: #000;
}

/* main four */

.studies .four .rt {
    justify-content: flex-start;
}

.studies .four .rt a {
    margin-right: 20px;
}

.studies .four .rt a.last {
    margin-right: 0;
}

.btn-block-new {
    text-align: center;
    margin: 0px 0px 50px 0px;
}

.btn-block-new a.btn {
    font-size: 3.2rem;
    font-weight: 500;
    color: #000;
    background-color: var(--accent-color);
    padding: 15px 35px;
    border-radius: 0;
    border: none;
}

/* studies end */

/* responsive start */

/* 1920px start */

@media (max-width: 1920px) and (min-device-width: 1400px) {}

/* 1400px end */

/* 1399px start */

@media (max-width: 1399px) and (min-device-width: 1200px) {
    html {
        font-size: 54%;
    }
}

/* 1200px end */

/* 1199px start */

@media (max-width: 1199px) and (min-device-width: 992px) {
    html {
        font-size: 46%;
    }

}

/* 992px end */

/* 991px start */

@media (max-width: 991px) and (min-device-width: 768px) {

    html {
        font-size: 54%;
    }

    /* case */
    .case {
        padding: 60px 0 30px 0;
    }

    .case .title {
        margin-bottom: 60px;
    }

    .case .title h2 {
        font-size: 4.5rem;
    }

    .case .main {
        display: block;
    }

    .case .main .item {
        width: 100%;
        margin-bottom: 30px;
    }

    /* studies */
    .studies {
        padding-bottom: 60px;
    }

    .studies .main {
        display: block;
    }

    .studies .main .lt {
        width: 100%;
    }

    .studies .main .rt {
        width: 100%;
    }

    .studies .main .rt a {
        width: 23%;
    }

    .studies .main .rt a.last {
        margin-top: 20px;
    }

    .studies .main .rt a p {
        font-size: 1.7rem;
    }

}

/* 768px end */

/* 767px start */

@media (max-width: 767px) and (min-device-width: 576px) {

    html {
        font-size: 52%;
    }

    /* case */
    .case {
        padding: 60px 0 30px 0;
    }

    .case .title {
        margin-bottom: 50px;
    }

    .case .title h2 {
        font-size: 4rem;
    }

    .case .main {
        display: block;
    }

    .case .main .item {
        width: 100%;
        margin-bottom: 30px;
    }

    /* studies */
    .studies {
        padding-bottom: 60px;
    }

    .studies .main {
        display: block;
    }

    .studies .main .lt {
        width: 100%;
    }

    .studies .main .rt {
        width: 100%;
        justify-content: start;
    }

    .studies .main .rt a {
        width: 31.2%;
        margin-right: 15px;
        padding: 15px 10px;
    }

    .studies .main .rt a.three {
        margin-right: 0;
    }

    .studies .main .rt a.four {
        margin-top: 15px;
    }

    .studies .main .rt a.last {
        margin-top: 15px;
        margin-right: 0;
    }

}

/* 576px end */

/* 575px start */

@media (max-width: 575px) and (min-device-width: 414px) {
    html {
        font-size: 50%;
    }

    /* case */
    .case {
        padding: 50px 0 30px 0;
    }

    .case .title {
        margin-bottom: 40px;
    }

    .case .title h2 {
        font-size: 3rem;
    }

    .case .main {
        display: block;
    }

    .case .main .item {
        width: 100%;
        margin-bottom: 30px;
    }

    /* studies */
    .studies {
        padding-bottom: 50px;
    }

    .studies .main {
        display: block;
    }

    .studies .main .lt {
        width: 100%;
    }

    .studies .main .rt {
        width: 100%;
        justify-content: start;
    }

    .studies .main .rt a {
        width: 47%;
        margin-right: 20px;
        padding: 15px 10px;
    }

    .studies .main .rt a.two {
        margin-right: 0;
    }

    .studies .main .rt a.three {
        margin-top: 20px;
    }

    .studies .main .rt a.four {
        margin-top: 20px;
        margin-right: 0;
    }

    .studies .main .rt a.last {
        margin-top: 20px;
        margin-right: 0;
    }
}

/* 414px end */

/* 413px start */

@media (max-width: 413px) and (min-device-width: 320px) {
    html {
        font-size: 54%;
    }

    /* case */
    .case {
        padding: 40px 0 30px 0;
    }

    .case .title {
        margin-bottom: 40px;
    }

    .case .title h2 {
        font-size: 2.7rem;
    }

    .case .main {
        display: block;
    }

    .case .main .item {
        width: 100%;
        margin-bottom: 30px;
    }

    /* studies */
    .studies {
        padding-bottom: 50px;
    }

    .studies .main {
        display: block;
    }

    .studies .main .lt {
        width: 100%;
    }

    .studies .main .rt {
        width: 100%;
        justify-content: start;
    }

    .studies .main .rt a {
        width: 100%;
        margin-right: 0;
        margin-bottom: 20px;
        padding: 20px;
    }

    .studies .main .rt a.last {
        margin-bottom: 0;
    }

    .btn-block-new a.btn {
        font-size: 2.6rem;
    }

}

/* 320px end */