/* widget */
.green-line {
    position: absolute;
    background-color: rgb(86, 182, 142);
    z-index: 1;
}

/* banner */
#banner {
    position: relative;
    z-index: 1;
    margin: -80px 0 0 0;
    background: url("./images/product-banner.png") center no-repeat;
    height: 632px;
}

@media only screen and (min-width: 1920px) {
    #banner {
        background-size: 100% auto;
    }
}

#container {
    padding: 0 200px;
}

#container > section {
    position: relative;
}

/* app view */
#app-view {
    height: 900px;
    z-index: 1;
}

#app-view > .bg-text {
    position: absolute;
    bottom: 270px;
    left: 10px;
    font-weight: 500;
    color: rgb(248, 249, 250);
    font-size: 180px;
    line-height: 170px;
}

#app-view img {
    position: absolute;
}

#manage-helper-logo {
    top: 60px;
    left: 0;
}

#app-view .en-title {
    position: absolute;
    font-size: 30px;
    top: 30px;
    right: 0;
    z-index: 2;
}

#app-view-image {
    bottom: 130px;
    right: 0;
    width: 600px;
    height: auto;
}

#app-view h2 {
    position: absolute;
    bottom: 240px;
    left: 0;
    font-size: 34px;
    z-index: 2;
}

#app-view p {
    font-size: 16px;
    color: #788493;
    width: 500px;
    position: absolute;
    bottom: 170px;
    left: 0;
}

/* app core */
#app-core {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background-color: rgb(235, 239, 243);
    margin: 0 -200px;
    padding: 50px 200px;
}

#app-core-triangle {
    z-index: 2;
    position: absolute;
    height: 0;
    width: 0;
    border: 50px solid transparent;
    border-bottom: 50px solid rgb(235, 239, 243);
    top: -100px;
    right: 200px;
}

#app-core .bg-text {
    position: absolute;
    z-index: 1;
    top: 166px;
    right: 450px;
}

#app-core-list {
    z-index: 2;
    flex: 0 0 50%;
    padding: 120px 0 0;
    margin: 0 0 0 20px;
    position: relative;
}

#app-core-list h2 {
    font-weight: 300;
    font-size: 34px;
    margin: 0 0 50px;
}

#app-core-list ul {
    padding: 0;
    margin: 0;
}

#app-core-list li {
    list-style: none;
    position: relative;
    color: #788493;
    font-size: 16px;
    margin: 20px 0;
}

#app-core-list li:before {
    position: absolute;
    display: block;
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 2px;
    background-color: rgb(85, 179, 140);
    left: -12px;
    top: 6px;
}

/* distribute view */

#distribute-view {
    height: 900px;
}

#distribute-view .bg-text {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}

#distribute-view-image {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    margin: auto;
}

#distribute-view h2 {
    position: absolute;
    top: 60px;
    right: 0;
    font-size: 54px;
    margin: 0;
    z-index: 2;
}

#distribute-view .green-line.h2-line {
    z-index: 1;
    height: 14px;
    width: 140px;
    top: 106px;
    right: 270px;
}

#distribute-view h3 {
    position: absolute;
    bottom: 70px;
    right: 0;
    z-index: 2;
    font-size: 24px;
    margin: 0;
}

#distribute-view .green-line.h3-line {
    height: 10px;
    width: 60px;
    bottom: 78px;
    right: 0;
    z-index: 1;
}

#distribute-view p {
    position: absolute;
    top: 150px;
    right: 0;
    color: #788493;
    font-size: 16px;
    text-align: right;
    line-height: 30px;
}

/* distribute core */
#distribute-core {
    margin: 0 -200px;
    padding: 50px 200px 80px;
    background-color: rgb(235, 239, 243);
    text-align: center;
    overflow: hidden;
}

#distribute-core > h2 {
    font-weight: 300;
    font-size: 40px;
    text-align: center;
    margin: 30px 0 50px;
    z-index: 2;
    position: relative;
}

#distribute-core .bg-text {
    position: absolute;
    top: 82px;
    left: 0;
    right: 0;
    margin: auto;
    z-index: 1;
}

#distribute-core-image {
    display: block;
    margin: 0 auto;
    width: 80%;
    height: auto;
}

#distribute-core-triangle {
    z-index: 2;
    position: absolute;
    height: 0;
    width: 0;
    border: 50px solid transparent;
    border-bottom: 50px solid rgb(235, 239, 243);
    top: -100px;
    left: 200px;
}

/* oa view */
#oa-view {
    height: 900px;
    padding: 24px 0;
}

#oa-view h3 {
    position: relative;
    margin: 0;
    font-size: 30px;
    font-weight: 500;
    z-index: 2;
}

#oa-view h2 {
    position: relative;
    font-size: 50px;
    margin: 100px 0 10px;
    font-weight: 500;
    z-index: 2;
}

#oa-view p {
    font-size: 16px;
    color: #788493;
    line-height: 30px;
    margin: 0;
}

#oa-view .bg-text {
    letter-spacing: 4px;
    position: absolute;
    bottom: 90px;
    left: 0;
    line-height: 150px;
    font-size: 160px;
    color: rgb(248, 249, 250)
}

#oa-view .h2-line {
    position: absolute;
    width: 140px;
    height: 8px;
    top: 48px;
    left: 0;
}

#oa-view .h3-line {
    position: absolute;
    width: 150px;
    height: 20px;
    top: 280px;
    left: 90px;
    z-index: 1;
}

#oa-view-image {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}

/* oa core */
#oa-core {
    margin: 0 -200px;
    padding: 40px 200px;
    display: flex;
    flex-flow: row nowrap;
    align-items: flex-start;
    justify-content: space-between;
    background-color: rgb(235, 239, 243);
}

#oa-core .bg-text {
    position: absolute;
    top: 78px;
    right: 300px;
}

#oa-core h2 {
    font-size: 40px;
    font-weight: 300;
}

#oa-core-image {
    flex: 0 0 50%;
}

#oa-core-list {
    flex: 0 0 40%;
    z-index: 2;
}

#oa-core-list ul {
    padding: 0;
    margin: 100px 0 0 50px;
}

#oa-core-list ul > li {
    list-style: none;
    position: relative;
    color: #788493;
    font-size: 16px;
    margin: 20px 0;
}

#oa-core-list ul > li:before {
    position: absolute;
    display: block;
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 2px;
    background-color: rgb(85, 179, 140);
    left: -12px;
    top: 6px;
}

#oa-core-triangle {
    z-index: 2;
    position: absolute;
    height: 0;
    width: 0;
    border: 50px solid transparent;
    border-bottom: 50px solid rgb(235, 239, 243);
    top: -100px;
    left: 200px;
}