* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei Custom', 'Microsoft YaHei', sans-serif;
}
/* @font-face {
    font-family: 'Microsoft YaHei Custom';
    src: url('../font/chinese.msyh.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
} */
body {
    width: 100%;
    height: 100vh;
    background: url('../img/background.png');
    background-repeat: no-repeat;
    background-size: cover;
}
.header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.header .header_title {
    max-width: 300px;
    width: 100%;
    margin-top: 90px;
}
.header .header_logo .header_logo_img {
    max-width: 400px;
    width: 100%;
    margin: 25px 0px;
}
.header .header_title img,
.header .header_logo img {
    width: 100%;
    height: auto;
    display: block;
}
.header .header_logo .header_link {
    max-width: 260px;
    width: 100%;
    margin: 0 auto;
}
.main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 50px 30px;
}
.main .main-title {
    max-width: 841px;
    width: 100%;
}
.main .main-title img {
    width: 100%;
    height: auto;
    display: block;
}
.main .main-text {
    max-width: 841px;
    width: 100%;
}
.main .main-text .main-des {
    font-family: 'Microsoft YaHei Custom', 'Microsoft YaHei', sans-serif;
    padding: 25px 100px;
    position: relative;
    font-size: 20px;
    color: #eb481b;
    background-color: rgb(243, 243, 243);
    margin: 20px 0px;
    border-left: none;
    border-right: none;
    border-bottom: 1px solid #eb481b;
}
.main .main-text .main-des::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, #eb481b 100%, transparent 100%);
    background: linear-gradient(to bottom, #eb481b, transparent);
}
.main .main-text .main-des::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(to top, #eb481b, transparent);
}
.main .main-text .main-des p {
    margin: 0;
}
.footer {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #333;
}
.footer .footer-copyright {
    padding: 20px 0px;
}
.footer .footer-copyright p {
    font-family: 'Microsoft YaHei Custom', 'Microsoft YaHei', sans-serif;
    margin: 0;
    font-size: 15px;
    color: #fff;
    text-align: center;
}
@media (max-width: 991px) {
    .header .header_title {
        max-width: 250px;
    }
    .header .header_logo .header_logo_img {
        max-width: 300px;
    }
    .header .header_logo .header_link {
        max-width: 220px;
    }
}