* {
    margin: 0;
    padding: 0;
}

.box {
    display: block;
    overflow: hidden;
    height: 100%;
    width: 100%;
    background-image: url('../image/banna3.jpg');
    background-size: cover;
    padding: 3rem 4rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.bor {
    width: 100%;
    height: 320px;
    margin-bottom:20px;
}

.b1 {
    display: block;
    width: 100%;
    overflow: hidden;
}

.fen {
    display: block;
    width: 100%;
}

.p1 {
    width: 100%;
    height: 4.5rem;
    border-radius: 2rem;
    background-color: #D9E5FE;
    border-color: #4E93EA !important;
    margin-top: 12px;
    padding: 0rem 2rem;
    text-align: center;
}

.btns {
    margin-top: 4rem;
    width: 100%;
    height: 4.5rem;
    display: block;
    background-color: #1A6BFF;
    border-radius: 2rem;
    text-align: center;
    line-height: 4.5rem;
    color: #ffffff;
    cursor: pointer;
}

@keyframes moveButton {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.btns1 {
    margin-top: 4rem;
    width: 100%;
    height: 4.5rem;
    display: block;
    background-color: #1A6BFF;
    border-radius: 2rem;
    text-align: center;
    line-height: 4.5rem;
    color: #ffffff;
    cursor: pointer;
    animation-name: moveButton;
    animation-duration: 1.5s;
    animation-iteration-count: infinite;
}

.error {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    display: flex;
    z-index: 9999999;
    align-items: center;
    justify-content: center;
}

.error-content {
    padding: 20px;
    line-height: 18px;
    word-break: break-all;
    overflow: hidden;
    font-size: 18px;
    color: #fff;
    background: rgba(0, 0, 0, 0.8);
}

@media (max-width: 400px) {
    .bor{
        height: 270px;
    }
    .box{
        padding: 3rem 3rem;
    }
}
@media (max-width: 360px) {
    .bor{
        height: 220px;
    }
}
@media (max-width: 300px) {
    .bor{
        height: 190px;
    }
}