.banner{
    position: relative;
    height: 100vh;
}

.banner .con {
    width: 50%;
    text-align: center;
    animation: con 3s ;
}
@keyframes con {
    0%{
        transform: translateX(-1000px);
    }
    33%{
        transform: translateX(-1000px);
    }
    100%{

    }
}


.banner .con h1{
    /* width: 50%; */
    font-size: 90px;
    color: #d67208;
}
.banner .line{
    width: 720px;
    height: 2px;
    background: #c7bcba;
    margin: 20px 0;
}

.banner .con p{
    /* width: 48%; */
    font-size: 24px;
    line-height: 1.5;
    font-weight: 200;
}

.banner .con a{
    width: 270px;
    height: 60px;
    display: block;
    margin-top: 40px;
    font-size: 24px;
    text-decoration: none;
    font-weight: 200;
    text-align: center;
    line-height: 60px;
    background: #d67208;
    color: #fff;
    border-radius: 5px;
    margin: 0 auto;
}


.banner-img {
    /* position: absolute; */
    right: 10%;
    animation-name:  anim1;
    animation-duration:  3s;
}

@keyframes anim1 {
    0%{
        transform: translateX(-1000px);
    }
    35%{
        transform: scale(1.5) translateX(-250px);
    }
    100%{
        /* left: 0%; */
        /* transform: translateX(1000px); */
    }
}

@media (max-width: 780px) {
    .banner{
        box-sizing: border-box;
        justify-content: center;
        position: relative;
        height: 50vh;
    }
    .banner-img {
        display: none;
    }
    .banner .line{
        width: 75%;
        height: 2px;
        background: #c7bcba;
        margin: 20px auto;
    }
    
    .banner .con {
        width: 100%;
        text-align: center;
        animation: con 1s ;
        margin: 0 auto;
    }
    @keyframes con {
        0%{
            transform: translateX(-1000px);
        }
        100%{
    
        }
    }
  }


  /* ============================== 内容 ========================== */

.main-text section {
    min-height: 40vh;
    padding: 2em;
    display: flex;
    justify-content: center;
    align-items: center;
  }

.main-text section:nth-child(even) {
    /* background: #111; */
    color: #fff;
}

h1 {
    font-size: 4em;
    text-align: center;
}

.animate {
    opacity: 0;
}

.fade-left {
    animation: fadeLeft 500ms ease-in-out forwards;
}

.fade-up {
    animation: fadeUp 600ms ease-in-out forwards;
}

.zoom-in {
    animation: zoomIn 700ms ease-in-out forwards;
}

@keyframes fadeLeft {
    0% {
        opacity: 0;
        transform: translateX(120px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes fadeUp {
    0% {
        opacity: 0;
        transform: translate(150px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes zoomIn {
    0% {
        opacity: 1;
        transform: scale(0.3)
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: translateX(1);
    }
}




/* 一些小装饰 */
#lcloud {
    position: absolute;
    left: 0;
    top: -50px;
}

#lcloud img {
    width: 200px;
}

#rcloud{
    position: absolute;
    right: 0;
    top: -50px;
}
#rcloud img {
    width: 200px;
}



.mount1 {
    position: absolute;
    bottom: 62px;
}

.lcloud2 {
    position: absolute;
    left: 0;
    bottom:0 ;
}

.lcloud2 img {
    width: 200px;
}

.rcloud2{
    position: absolute;
    right: 0;
    bottom:0 ;
}
.rcloud2 img {
    width: 200px;
}

.line1 {
    position: absolute;
    bottom: 50px;
}