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

header {
    background-color: white;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    color: white;
    font-size: 12px;
}

    header .logo {
        width: 100px;
    }

    header nav a {
        color: black;
        margin-right: 100px;
        text-decoration: none;
        font-size: 12px;
    }

/* 登录注册按钮容器 */
.btn-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px; /* 按钮之间的间距 */
}

/* 登录按钮样式 */
.login-btn, .register-btn {
    color: #0050a8;
    border: 2px solid white;
    border-radius: 25px;
    font-size: 13px;
    transition: background-color 0.3s, color 0.3s;
}

    /* 鼠标悬停样式 */
    .login-btn:hover, .register-btn:hover {
        background-color: white;
        color: #003366;
    }


footer {
    background-color: #0050a8;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    text-align: center;
    font-size: 12px;
}

    footer div {
        flex: 1;
        padding: 0 10px;
    }

    footer .left {
        text-align: left;
    }

    footer .center {
        text-align: center;
    }

    footer .right {
        text-align: right;
    }

    footer div p:first-child {
        font-weight: bold;
    }

button {
    font-size: 12px;
}