.top-pte {
    height: 0;
    padding-bottom: 26%;
    min-width: 1200px;
    min-height: 288px;
    max-height: 460px;
    max-width: 1920px;
    background: url(/Images/About/Develop/fzlc-bj.jpg) no-repeat center top;
    background-size: 100%;
    margin: 0px auto;
}

.mdd-lab {
    width: 1200px;
    font-size: 32px;
    font-weight: bold;
    margin: 20px auto 0px auto;
    color: #01414e;
    text-align: center;
}

.container {
    width: 1200px;
    margin: 40px auto;
}

.main-timeline {
    overflow: hidden;
    position: relative;
}

    .main-timeline .timeline {
        position: relative;
        margin-top: -79px;
    }

        .main-timeline .timeline:first-child {
            margin-top: 0;
        }

        .main-timeline .timeline:before,
        .main-timeline .timeline:after {
            content: "";
            display: block;
            width: 100%;
            clear: both;
        }

        .main-timeline .timeline:before {
            content: "";
            width: 100%;
            height: 100%;
            box-shadow: -8px 0 5px -5px rgba(0, 0, 0, 0.5) inset;
            position: absolute;
            top: 0;
            right: 0;
            z-index: 2;
        }

    .main-timeline .timeline-icon {
        width: 210px;
        height: 210px;
        border-radius: 50%;
        border: 25px solid transparent;
        border-top-color: #f44556;
        border-right-color: #f44556;
        margin: auto;
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        z-index: 1;
        transform: rotate(45deg);
    }

    .main-timeline .year {
        display: block;
        width: 110px;
        height: 110px;
        line-height: 110px;
        border-radius: 50%;
        background: #fff;
        box-shadow: 0 0 20px rgba(0,0,0,0.4);
        margin: auto;
        font-size: 30px;
        font-weight: bold;
        color: #f44556;
        text-align: center;
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        transform: rotate(-45deg);
    }

    .main-timeline .timeline-content {
        width: 35%;
        float: right;
        background: #f44556;
        padding: 30px 20px;
        margin: 50px 0;
        z-index: 1;
        position: relative;
    }

        .main-timeline .timeline-content:before {
            content: "";
            width: 20%;
            height: 15px;
            background: #f44556;
            position: absolute;
            top: 50%;
            left: -20%;
            z-index: -1;
            transform: translateY(-50%);
        }

    .main-timeline .title {
        font-size: 20px;
        font-weight: bold;
        color: #fff;
        margin: 0 0 10px 0;
    }

    .main-timeline .description {
        font-size: 16px;
        color: #fff;
        line-height: 24px;
        margin: 0;
    }

    .main-timeline .timeline:nth-child(2n):before {
        box-shadow: 8px 0 5px -5px rgba(0, 0, 0, 0.5) inset;
    }

    .main-timeline .timeline:nth-child(2n) .timeline-icon {
        transform: rotate(-135deg);
    }

    .main-timeline .timeline:nth-child(2n) .year {
        transform: rotate(135deg);
    }

    .main-timeline .timeline:nth-child(2n) .timeline-content {
        float: left;
    }

        .main-timeline .timeline:nth-child(2n) .timeline-content:before {
            left: auto;
            right: -20%;
        }

    .main-timeline .timeline:nth-child(2n) .timeline-icon {
        border-top-color: #e97e2e;
        border-right-color: #e97e2e;
    }

    .main-timeline .timeline:nth-child(2n) .year {
        color: #e97e2e;
    }

    .main-timeline .timeline:nth-child(2n) .timeline-content,
    .main-timeline .timeline:nth-child(2n) .timeline-content:before {
        background: #e97e2e;
    }

    .main-timeline .timeline:nth-child(3n) .timeline-icon {
        border-top-color: #13afae;
        border-right-color: #13afae;
    }

    .main-timeline .timeline:nth-child(3n) .year {
        color: #13afae;
    }

    .main-timeline .timeline:nth-child(3n) .timeline-content,
    .main-timeline .timeline:nth-child(3n) .timeline-content:before {
        background: #13afae;
    }

    .main-timeline .timeline:nth-child(4n) .timeline-icon {
        border-top-color: #105572;
        border-right-color: #105572;
    }

    .main-timeline .timeline:nth-child(4n) .year {
        color: #105572;
    }

    .main-timeline .timeline:nth-child(4n) .timeline-content,
    .main-timeline .timeline:nth-child(4n) .timeline-content:before {
        background: #105572;
    }

    .main-timeline .timeline:nth-child(5n) .timeline-icon {
        border-top-color: #37b3f4;
        border-right-color: #37b3f4;
    }

    .main-timeline .timeline:nth-child(5n) .year {
        color: #37b3f4;
    }

    .main-timeline .timeline:nth-child(5n) .timeline-content,
    .main-timeline .timeline:nth-child(5n) .timeline-content:before {
        background: #37b3f4;
    }

    .main-timeline .timeline:nth-child(6n) .timeline-icon {
        border-top-color: #f54718;
        border-right-color: #f54718;
    }

    .main-timeline .timeline:nth-child(6n) .year {
        color: #f54718;
    }

    .main-timeline .timeline:nth-child(6n) .timeline-content,
    .main-timeline .timeline:nth-child(6n) .timeline-content:before {
        background: #f54718;
    }

    .main-timeline .timeline:nth-child(7n) .timeline-icon {
        border-top-color: #a560ff;
        border-right-color: #a560ff;
    }

    .main-timeline .timeline:nth-child(7n) .year {
        color: #a560ff;
    }

    .main-timeline .timeline:nth-child(7n) .timeline-content,
    .main-timeline .timeline:nth-child(7n) .timeline-content:before {
        background: #a560ff;
    }

@media only screen and (max-width: 1199px) {
    .main-timeline .timeline {
        margin-top: -103px;
    }

    .main-timeline .timeline-content:before {
        left: -18%;
    }

    .main-timeline .timeline:nth-child(2n) .timeline-content:before {
        right: -18%;
    }
}

@media only screen and (max-width: 990px) {
    .main-timeline .timeline {
        margin-top: -127px;
    }

    .main-timeline .timeline-content:before {
        left: -2%;
    }

    .main-timeline .timeline:nth-child(2n) .timeline-content:before {
        right: -2%;
    }
}

@media only screen and (max-width: 1024px) {
    .main-timeline .timeline {
        margin-top: 0;
        overflow: hidden;
    }

        .main-timeline .timeline:before,
        .main-timeline .timeline:nth-child(2n):before {
            box-shadow: none;
        }

        .main-timeline .timeline-icon,
        .main-timeline .timeline:nth-child(2n) .timeline-icon {
            margin-top: -30px;
            margin-bottom: 20px;
            position: relative;
            transform: rotate(135deg);
        }

        .main-timeline .year,
        .main-timeline .timeline:nth-child(2n) .year {
            transform: rotate(-135deg);
        }

        .main-timeline .timeline-content,
        .main-timeline .timeline:nth-child(2n) .timeline-content {
            width: 100%;
            float: none;
            border-radius: 0 0 20px 20px;
            text-align: center;
            padding: 25px 20px;
            margin: 0 auto;
        }

            .main-timeline .timeline-content:before,
            .main-timeline .timeline:nth-child(2n) .timeline-content:before {
                width: 15px;
                height: 25px;
                position: absolute;
                top: -22px;
                left: 50%;
                z-index: -1;
                transform: translate(-50%,0);
            }

    .top-pte {
        height: 0;
        padding-bottom: 26%;
        min-width: 1000px;
        min-height: 240px;
        max-height: 460px;
        max-width: 1920px;
        background: url(/Images/About/Develop/fzlc-bj.jpg) no-repeat center top;
        background-size: 100%;
        margin: 0px auto;
    }

    .mdd-lab {
        width: 1000px;
        font-size: 48px;
        font-weight: bold;
        margin: 20px auto 0px auto;
        color: #01414e;
        text-align: center;
    }

    .container {
        width: 1000px;
        margin: 40px auto;
    }

    .main-timeline .title {
        font-size: 36px;
        font-weight: bold;
        color: #fff;
        margin: 0 0 10px 0;
    }

    .main-timeline .description {
        font-size: 32px;
        color: #fff;
        line-height: 48px;
        margin: 0;
    }

    .timeline {
        margin-top: 40px !important;
    }

    .main-timeline .year {
        display: block;
        width: 130px;
        height: 130px;
        line-height: 130px;
        border-radius: 50%;
        font-size: 44px;
        font-weight: bold;
        text-align: center;
    }
}