/* 适配手机 */
@media (max-width: 768px) {
    body {
        font-size: 14px;
        padding: 10px;
    }

    #r_form {
        flex-direction: column;
    }
    #b_block {
        height: 11rem!important;
    }
    #b_block p {
        height: 4.1rem!important;
    }
    #i_block {
        height: 27rem!important;
    }

    .header {
        font-size: 18px;
        text-align: center;
    }
}

/* 适配平板或小屏电脑 */
@media (min-width: 769px) and (max-width: 1200px) {
    body {
        font-size: 16px;
        padding: 20px;
    }

    #r_form {
        flex-direction: row;
    }
    #b_block {
        height: 11rem!important;
    }
    #b_block p {
        height: 4.1rem!important;
    }
    #i_block {
        height: 27rem!important;
    }

}

/* 适配大屏电脑 */
@media (min-width: 1201px) {
    body {
        font-size: 18px;
        padding: 40px;
    }

    #r_form {
        flex-direction: row;
    }
}

#r_form {
    left: 1rem;
}

#r_form h3 {
    padding: 0 0 0rem 0;
    margin: 0 0 .3rem 0;
    width: 60%;
}

#r_form label {
    display: block;
    width: 100%;
}

.r_form input {
    border-radius: 0;
    background-color: #fff;
    border-style: solid;
    border-width: 1px;
    border-color: #ccc;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .1);
    color: rgba(0, 0, 0, .75);
    display: block;
    font-family: inherit;
    font-size: .875rem;
    height: 2.3125rem;
    margin: 0 0 1rem 0;
    padding: .5rem;
    width: 100%;
    box-sizing: border-box;
    transition: border-color .15s linear, background .15s linear;
}

#s_block {
    width: 100%;
    height: 14rem;
    padding-left: 0.2rem;
}

#s_block p {
    float: left;
    margin: .5rem 1rem 0 0;
    width: 42%;
}

#s_block input {
    width: 90%;
    font-size: .875rem;
    height: 1.4rem;
    margin: 0 0 1rem 0;
    padding: .1rem .3rem;
}

#s_block select {
    width: 60%;
    max-width: 11rem;
    font-size: .875rem;
    height: 2.2rem;
    margin: 0 0 0 .4rem;
    padding: .1rem .3rem;
    cursor: pointer;
    display: block;
    font-weight: normal;
    line-height: 1.5;
}

#note_msg{
    width: 60%!important;
}

#i_block {
    width: 100%;
    height: 27rem;
    margin-bottom: .1rem;
    padding-left: 0.2rem;
}

#i_block p {
    margin: 0 .1rem;
    width: 47%;
    height: 4rem;
    padding-top: .1rem;
}

#i_block input {
    display: block;
    width: 90%;
    font-size: .875rem;
    height: 1.6rem;
    margin: 0;
    padding: .1rem .3rem;
}

#purchased_date {
    width: 70%;
    max-width: 8rem;
}

.right_b {
    float: left;
}

#b_block {
    width: 100%;
    height: 7rem;
    padding-left: 0.2rem;
    margin-top: 0;
}

#b_block p {
    width: 100%;
    height: 2rem;
    margin: 0;
    padding-top: .1rem;
}

#b_block input {
    width: 1.3rem;
    height: 0.9rem;
}

#b_block span,
#s_block a {
    width: 100%;
    height: 1.3rem;
    font-size: 1rem;
}

#b_block .s_btns {
    text-align: center;
    height: 1.3rem;
    margin: .5rem auto;
    width: 100%;
}

#b_block .s_btns input {
    width: 6rem;
    height: 2rem;
    line-height: 0;
    margin-left: 1rem;
    background-color: #ccc;
    border: none;
}

#b_block .s_btns input:hover {
    cursor: pointer;
    border: 1px solid black;
}

#b_block .s_btns .reset_btn {
    background-color: rgba(214, 214, 10, 0.801);
}

.required {
    color: red;
}