/***************通用样式****************/
* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

a {
    color: #000;
}
html, body{
    height: 100%;
}

#box, html, body {
    width: 100%;
    background: #0080c6;
    /*background: url("../images/back2.jpg") no-repeat;*/
    background-size: 100% 100%;
}

/****************header（头部样式）****************/

.header {
    width: 100%;
    height: 90px;
    /*background-color: #1D70A8;*/
}

.header img {
    height: 90px;
    margin-left: 20px;
}

/*****************product（产品系统样式）****************/
.product {
    width: calc(100% - 450px);
    margin: 20px 0 0 2%;
}

.system {
    width: 48%;
    background-color: rgba(252, 254, 255,0.7);
    display: inline-block;
    /*border: 1px solid #0067AC;*/
    font-size: 16px;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
    vertical-align: middle;
    margin: 0 0 15px 1%;
    border-radius: 5px;
}
.system:hover{
    background-color: #fff;
}

.system-left {
    margin-right: 10%;
    width: 60%;
    display: inline-block;
}

.system-left h3 {
    margin-bottom: 10px;
}

.system p {
    font-size: 14px;
}

.system p:hover, .system-left h3:hover {
    color: orangered;
}

.system-right {
    vertical-align: top;
    display: inline-block;
}

.system-right img {
    width: 100px;
}

/*****************login（登录注册样式）****************/

.login {
    /*width: 350px;*/
    height: 303px;
    background-color: rgba(252, 254, 255,0.7);
    box-sizing: border-box;
    border-radius: 5px;

    /*定位*/
    /*position: fixed;
    top:111px;
    right: 45px;*/
}

.login-head a {
    display: inline-block;
    width: 100%;
    height: 60px;
    background-color: #878787;
    text-align: center;
    line-height: 60px;
    color: white;
    font-size: 20px;
}

.sign {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
    padding: 20px;
    margin-top:40px;
}

.sign .sign-body {
    margin-top: 20px;
}

.sign .sign-body input {
    width: calc(100% - 100px);
    height: 30px;
    padding-left: 10px;
}

.sign button {
    width: calc(100% - 35px);
    height: 40px;
    border: none;
    background-color: #2ac821;
    border-radius: 5px;
    color: white;
    margin: 20px 0;
    cursor: pointer;
}

/*************footer（尾部样式）**************/
.footer {
    width: 100%;
    opacity: 0.7;
    color: black;
    padding: 20px;
    box-sizing: border-box;
    /*定位*/
    position: absolute;
    bottom: 0;
}

.footer-body {
    text-align: center;
    width: 100%;
    max-width: 1200px;
    line-height: 30px;
    margin: 10px auto;
    font-size: 14px;
    color: white;
}


/****************屏幕宽度*****************/
@media (max-width: 1320px ) {
    .system {
        width: 90%;
        display: block;
        margin-left: 40px;
    }

    .footer {
        position: relative;
    }
}

@media (max-width: 940px) {
    .system-right {
        display: none;
    }

    .system-left {
        width: 80%;
        margin-right: 0;
        padding: 0;
    }
    ��footer{display: none;}
}

@media (max-width: 748px) {
    .system p {
        display: none;
    }

    .system {
        font-size: 1rem;
    }
    .footer{
        display: none;
    }
}

@media (max-width: 618px) {
    .product {
        display: none;
    }
    .login{
        position: fixed;
        left: 50%;
        margin-left: -175px;
    }
    .footer {
        display: none;
    }
}