* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    background: transparent;
}

.mod1 {
    width: 500px;
    height: 372px;
    background: url(../images/图片.jpg) no-repeat center;
    margin: 10px auto;
    overflow: hidden;
}

.content {
    background: transparent;
    width: 350px;
    margin: auto;
    margin-top: 100px;
}

.content p {
    margin: 8px 0;
    color: #000;
}

.content p:nth-child(1) {
    text-align: left;
    padding-left: 20px;
}

.content p:nth-child(1) span {
    font-size: 1.5em;
    color: #000;
}

.content p:nth-child(2) {
    text-indent: 3em;
}

.content p:nth-child(2) span {
    text-indent: 2em;
    color: #000;
}

.content p:nth-child(3) span {
    margin-left: 5em;
    color: #000;
}

.content p:nth-child(3)~p {
    text-align: right;
    color: #000;
}

@media screen and (max-width: 768px) {
    .mod1 {
        width: 400px;
        height: 300px;
        margin: 5px auto;
    }

    .content {
        width: 280px;
        margin-top: 80px;
    }

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

    .content p:nth-child(1) span {
        font-size: 1.3em;
    }
}

@media screen and (max-width: 480px) {
    .mod1 {
        width: 300px;
        height: 225px;
    }

    .content {
        width: 220px;
        margin-top: 60px;
    }

    .content p {
        font-size: 12px;
        margin: 6px 0;
    }

    .content p:nth-child(1) span {
        font-size: 1.2em;
    }
}