.wechat_top {
    background-color: #0c337f;
    text-align: center;
    box-shadow: 0px 0px 15px #333;
    font-family: "Helvetica-r", "微軟正黑體", "Noto Sans", "Noto Sans CJK TC", "Helvetica Neue", Arial, sans-serif;
}

.wechat_top img {
    margin: 2rem 0 0;
}

.wechat_top h2 {
    color: #fff;
    font-size: 3.5rem;
    font-weight: bold;
    font-family: "Helvetica-r", "微軟正黑體", "Noto Sans", "Noto Sans CJK TC", "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 1rem 0 2rem;
    letter-spacing: 3px;
}

.wechat_top h3 {
    color: #fff;
    font-size: 1.8rem;
    line-height: 1.6;
    padding-bottom: 2.5rem;
}

.wechat_qrcode {
    margin: 2rem 0;
    text-align: center;
}

.wechat_qrcode img {
    width: 100%;
    height: auto;
    max-width: 550px;
}

.wechat_info {
    background-color: #e9f6ff;
    font-family: "Helvetica-r", "微軟正黑體", "Noto Sans", "Noto Sans CJK TC", "Helvetica Neue", Arial, sans-serif;
}

.wechat_info p {
    text-align: center;
    color: #666;
    font-size: 1.8rem;
    font-weight: bold;
    padding: 2.5rem 0;
}

.wechat_copyright {
    text-align: center;
    color: #666;
    font-size: 1rem;
    margin-bottom: 3rem;
}

.crawal-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

@media (max-width:480px) {
    .wechat_top img {
        margin: 1.5rem 0 0;
    }

    .wechat_top h2 {
        font-size: 2.5rem;
        padding: 1rem 0 1.5rem;
        letter-spacing: 0;
    }

    .wechat_top h3 {
        font-size: 1.5rem;
        padding-bottom: 2rem;
    }

    .wechat_info p {
        font-size: 1.3rem;
        padding: 2rem 0;
    }

    .wechat_copyright {
        font-size: .8rem;
        margin-bottom: 3rem;
    }
}