html,
body {
    padding: 0;
    margin: 0;
}

.toper {
    width: 80%;
    position: fixed;
    z-index: 2;
    top: 20px;
    left: 10%;
    height: 92px;
    display: flex;
    padding-left: 10px;
    box-sizing: border-box;
    background-color: rgba(239, 239, 239, 0.47);
}

.logo {
    flex: 0 0 92px;
    width: 92px;
    height: 92px;
    background-image: url('./static/logo.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.logo-name {
    font-size: 18px;
    line-height: 92px;
    margin-left: 19px;
    font-weight: 550;
}

.jump a {
    font-size: 18px;
    line-height: 92px;
    text-decoration: none;
    color: #222;
}

.jump .a_h {
    color: blue;
}

.jump {
    margin-left: 50px;
}

.jump span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: blue;
    margin-top: -2px;
}

.banner {
    width: 100%;
    height: 740px;
    position: relative;
}

.pic {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.text-container {

    position: absolute;
    bottom: 143px;
    left: 55px;
    z-index: 1;
}

.text-main {
    color: rgba(255, 255, 255, 1);
    font-size: 36px;
    font-weight: 550;
    letter-spacing: 2px;
}

.footer {
    width: 100%;
    height: 129px;
    background-color: rgba(154, 154, 154, 1);
    display: flex;
    box-sizing: border-box;
    padding-left: 55px;
    padding-right: 187px;
    align-items: center;
}

.footer-pic {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    background-image: url('./static/logo.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.footer-name {
    color: rgba(16, 16, 16, 1);
    font-size: 18px;
    font-weight: 550;
    margin-left: 12px;
    white-space: nowrap;
}

.footer-txt {
    color: rgba(255, 255, 255, 1);
    font-size: 14px;
    font-weight: 550;
    white-space: nowrap;
}

.contain {
    width: 100%;
    margin: 70px 0 200px;
    box-sizing: border-box;
    padding-left: 70px;
}

.txt {
    color: rgba(16, 16, 16, 1);
    font-size: 24px;
}