.main {
    --inner-font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-family: var(--inner-font-family);
}
.cc {
    clear: both;
}
.text {
    font-family: var(--inner-font-family);
    font-style: unset;
}
.text-center {
    text-align: center;
}
.text-end {
    text-align: right;
    font-size: .9em;
    line-height: 2em;
}
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}
.flex-end {
    justify-content: end;
}
.fl {
    float: left;
}
.mt-3 {
    margin-top: 20px;
}
.mt-5 {
    margin-top: 40px;
}
.mr-2 {
    margin-right: 10px;
}
.px-2 {
    padding: 5px 0;
}
.lh-2 {
    line-height: 2em;
}
.d-flex {
    display: flex;
}
.db {
    justify-content: space-between;
}
.border {
    border: 1px solid #888888;
}
.mx-3:not(:last-child) {
    margin-right: 20px;
}
.rounded-4 {
    border-radius: 20px;
}
.w-25 {
    width: 25%;
}
.w-28 {
    width: 28%;
}
.w-22 {
    width: 22%;
}
.w-33 {
    width: 33%;
}
.w-67 {
    width: 67%;
}
.w-20 {
    width: 20%;
}
.w-30 {
    width: 30%;
}
.bg-blue {
    background: #3393c7;
    color: #ffffff;
}
.text-blue {
    color: #3393c7;
}
.border-gray {
    border: 1px solid #afc2da;
}
.btn {
    background: #ffffff;
    color: #494949;
    border: 1px solid #4d4d4d;
    padding: .3em .8em;
    border-radius: .2em;
    display: inline-block;
}
.btn.btn-primary {
    background: #3393c7;
    color: #ffffff;
}
/* common end */

/* banner start */
.index_banner {
    position: relative;
}
.index_banner_img {
    opacity: .5;
}
.dflex {
    display: flex;
    height: 100%;
    justify-content: space-around;
}
.dflex .left {
    flex-basis: 70%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.dflex .left .title {
    font-size: 1.5em;
}
.dflex .left .image {
    align-self: center;
    display: flex;
    align-items: center;
}
.dflex .left .image img {
    width: 350px;
}
.dflex .right {
    flex-basis: 35%;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    font-family: sans-serif;
    justify-content: center;
}
.dflex .right ul {
    display: flex;
    flex-direction: column;
}
.dflex .right ul li {
    list-style: disc;
    margin: .4em 0;
    font-weight: 600;
}
.dflex .right .btns {
    margin-top: 1em;
}
.absolute {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, .4);
}
.absolute .container {
    position: relative
}
.absolute h1 {
    color: #00a1e9;
    margin-top: 2%;
}
.absolute p {
    font-size: 0.8em;
    font-weight: 700;
}
/* banner end */
.text-information {
    font-size: 1.5em;
}

/* Product Parameter */
.product-row {
    color: #999999;
    display: flex;
    border-bottom: 1px solid #999999;
    align-items: center;
}
.product-row:last-child {
    border-bottom: unset;
}
.product-row .product-title {
    font-weight: 600;
    flex-basis: 30%;
    margin: 1em 0;
}
.product-row .product-info {
    flex-grow: 1;
}
/* Product Parameter */

/* service */
.soft h1,.parameter h1 {
    color: #595757;
    margin: .4em 0;
}
.soft .d-flex div {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    background: #3393c7;
    border-radius: .8em;
    box-shadow: 0 0 8px #777777;
    color: #ffffff;
}
.soft .d-flex div:not(:first-child) {
    background-color: #ffffff;
    color: #595757;
}
.soft .d-flex div:not(:last-child) {
    margin-right: 1em;
}
.soft .d-flex div img {
    width: 100%;
    margin: 1em 0 0;
    flex-grow: 1;
    width: 100%;
}
.soft .d-flex div p {
    margin: .3em 0;
    font-weight: 500;
}

@media screen and (min-width: 1200px) {
    .dflex .left .image {
        align-self: center;
        align-items: flex-start;
    }
    .dflex .left .image img {
        max-height: 420px;
        width: unset;
    }
    .dflex .left .title {
        margin-top: 1.5em;
    }
}
@media screen and (max-width: 1400px) {
    .dflex .left .image img {
        max-height: 350px;
    }
}
@media screen and (max-width: 1200px) {
    .dflex .right {
        margin-bottom: 3%;
    }
    .dflex .right ul li {
        margin: .2em 0;
    }
    .dflex .right .btns {
        font-size: .8em;
    }
}
@media screen and (max-width: 990px) {
    .dflex .right .btns {
        display: none;
    }
    .absolute p {
        font-size: .7em;
    }
    .dflex .left .image img {
        max-width: 280px;
        margin-top: -10px;
        margin-bottom: -5px;
    }
}
@media screen and (max-width: 850px) {
    .dflex .right {
        margin-bottom: 0%;
        align-items: center;
    }
    .service {
        display: block;
    }
    .service .flex {
        margin: 0;
    }
    .dflex .left .image img {
        max-width: 280px;
        margin-top: -10px;
        margin-bottom: -5px;
    }
}
@media screen and (max-width: 640px) {
    .dflex .left {
        flex-basis: 55%;
    }
    .dflex .left .title h1 {
        font-size: 1.4em;
        margin-top: 0;
    }
    .dflex .right {
        flex-basis: 45%;
        margin-bottom: 1%;
        align-items: center;
    }
    .dflex .right ul li {
        margin: .1em 0;
        font-size: .1em;
    }
    .series-number div {
        line-height: 1em;
        padding: .5em;
    }
    .soft .mr-2 {
        margin-right: 2px;
        width: auto;
    }
    .parameter .d-flex .w-25 {
        width: unset;
    }
    .parameter .d-flex .mr-2 {
        margin-right: 2px;
    }
    .absolute p {
        font-size: .6em;
    }
    .dflex .left .image {
        align-items: flex-end;
    }
    .dflex .left .image img {
        max-width: 175px;
    }
}