:root {
    --footer-background-color: #ccc;
    --footer-color: #666;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}

a {
    text-decoration: none;
    color: #fff;
}

::-webkit-scrollbar {
    width: 0;
}

.main {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.header {
    height: 60px;
    padding: 0 16%;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background-color 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    color: #fff;
}

.header.blur {
    background: rgba(0, 0, 0, .7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.logo {
    flex: 1;
}

.menu {
    display: flex;
    align-items: center;
    height: 100%;
}

.menu-item {
    width: 80px;
    display: flex;
    justify-content: center;
}

.menu-split {
    margin: 0 32px;
    display: flex;
    justify-content: center;
}

.menu-item:last-child {
    margin-right: 0;
}

.container {
    flex: 1;
}

.footer {
    width: 100%;
    background-color: var(--footer-background-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16%;
    color: var(--footer-color);
}

.footer a {
    color: var(--footer-color);
}

.copyright {
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.contact {
    display: flex;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    justify-content: center;
    align-items: center;
}

.beian {
    display: flex;
    flex-wrap: wrap;
}

.beian a {
    margin-right: 48px;
}


.home {
    width: 100%;
    height: 100vh;
    background-image: url("./banner.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
}

.motto {
    padding: 36px 0;
    border-top: 4px solid #fff;
    border-bottom: 4px solid #fff;
    color: #fff;
    font-size: 72px;
}