@media screen and (min-width: 600px) and (max-width:1200px) {
    /* 這個是表示 媒體寬度601-1199時，使用此CSS */
    #gotop {
        float: left;
        width: 70px;
        height: 70px;
        text-align: center;
        line-height: 70px;
        position: fixed;
        bottom: 50px;
        right: 0px;
        background-color: rgba(0, 0, 0, 0.577);
        color: #fff;
        text-decoration: none;
        z-index: 9999;
        cursor: pointer;
        }
    p {
        font-size: 14px;
        color: rgb(117, 145, 155);
        line-height: 1.8em;
        letter-spacing: 0.02rem
    }
    .btn {
        display: inline-block;
        margin-top: 40px;
        padding: 2px 25px;
        background-color: rgb(167, 208, 223);
        color: rgb(78, 67, 67);
        text-decoration: none;
        transition: .5s ease;
    
    }
    .btn:hover {
        color: rgb(255, 255, 255);
        background-color:  rgb(117, 145, 155);
    }
    /* ↑這個是按鈕 botton 縮寫 */
    
    /* 最外框 */
    .fixed-width {
        width: 600px;
        margin: auto;
    }
    /* 內固定寬框 */
    .col-1 {
        width: calc(100% / 12 * 1);
    }
    .col-2 {
        width: calc(100% / 12 * 2);
    }
    .col-3 {
        width: calc(100% / 12 * 3);
    }
    .col-4 {
        width: calc(100% / 12 * 4);
    }
    .col-5 {
        width: calc(100% / 12 * 5);
    }
    .col-6 {
        width: calc(100% / 12 * 6);
    }
    .col-7 {
        width: calc(100% / 12 * 7);
    }
    .col-8 {
        width: calc(100% / 12 * 8);
    }
    .col-9 {
        width: calc(100% / 12 * 9);
    }
    .col-10 {
        width: calc(100% / 12 * 10);
    }
    .col-11 {
        width: calc(100% / 12 * 11);
    }
    .col-12 {
        width: calc(100% / 12 * 12);
    }
    /* 將內框分成12等分 */
    
    [class*="col"] {
        float: left;
        padding: 15px;
    }
    /* ↑選擇html裡面，頭一個字有"col"的字樣的類別更改其樣式 */
    
    /* NAV */
    nav {
        /* height: 100px; */
        line-height: 50px;
        position: fixed;
        background-color:transparent;  /*為了蓋過手機板*/
    }
    nav .logo {
        float: left;
        background-color:transparent; /*為了蓋過手機板*/
        color: rgb(209, 207, 207);
    }
    nav .menu {
        float: left;
        display: block;
    }
    nav li {
        float: left;
        border-bottom: none;  /*為了蓋過手機板*/
    }
    nav a {
        color: rgb(153, 152, 152);
        text-decoration: none;
        display: block;
        font-size: 13px;
    }
    nav .search {
        display: inline; /*為了蓋過手機板*/
    }
    nav .toggler {
        display: none;
    }
    /* HEADER */
    header {
        height: 800px;
        background-image: 
        linear-gradient(rgba(0, 0, 0, 0.5),rgba(0, 0, 0, 0.5)),
        url(../images/bg1.jpg);
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        display: table;
    
    }
    header h1 {
        font-size: 2em;
        color: rgb(252, 250, 250);
        letter-spacing: 10px;
    }
    header p {
        color: rgb(252, 250, 250,0.8);
        font-size: .6em;
        margin-bottom: 30px;
    }
    header .fixed-width {
        display: table-cell;
        vertical-align: middle;
        text-align:center;
    }
    /* SERVICE */
    #service {
        padding-top:100px;
        padding-bottom: 100px;
    }
    #service h2 {
        text-align: center;
    }
    #service i {
        display: block;
        background-color: rgb(33, 179, 233);
        width: 65px;
        height: 65px;
        text-align: center;
        line-height: 65px;
        border-radius:20%;          /* 將矩形變成圓形 */
        color: rgb(255, 255, 255);
    }
    #service h3 {
        margin-bottom: 13px;
    }
    #service .col-4 {
        margin-top: 10px;
        margin-bottom: 40px;
        text-align: center;
        width: calc( 100% / 12 * 6);
    }
@media screen and (min-width: 600px) and (max-width:1200px) {
        #service .col-3,#service .col-9 {
            float: none;
            width: 100%;
            padding: 2px;
        }    
}
    /* HISTORY */
    #history {
        padding-top: 150px;
        padding-bottom: 150px;
        background-color: rgba(204, 204, 204, 0.555);
    }
    #history h2 {
        margin-bottom: 10px;
    }
    #history h3 {
        margin-bottom: 10px;
    }
    #history p {
        margin-bottom: 30px;
    }
        /* #history .btn {
            display: inline-block;
        }  如果沒有寫 @ 在手機板上，就要將按鈕的設定改回來*/
    /* PRODUCT */
    
    #product .col-3 {            
        position: relative;
        height: 360px;
        overflow: hidden;
    }
    #product .col-3::before {
        content: "";
        display: block;
        width: 100%;
        height: 360px;
        background-color: rgba(7, 0, 0, 0.493);
        position: absolute;
        z-index: 2;
    }
    #product .col-3 img {
        position: absolute;
        height: 360px;
        width: auto;
        z-index: 1;
    }
    #product .col-3 h4 {
        position: absolute;
        top: 0;
        left: 0;
        text-align: center;
        width: 100%;
        line-height: 360px;
        color: rgba(255, 254, 254,0.8);
        letter-spacing: 3px;
        z-index: 3;
            font-size: 1em; /*這個是為了蓋過手機板*/
    }
  @media screen and (min-width: 600px) {
        #product .col-3 {
            width: 50%;
        }
  }
    /* NEWS */
    #news {
        padding-bottom: 100px;
        padding-top: 100px;
    }
        #news .col-4 {
            text-align: left;
        }
        /* ↑如果手機板沒有加@ 這是為了蓋過手機板  */
    #news h2 {
        text-align: center;
    }
    #news h3 {
        margin-bottom: 20px;
    }
    #news .news-info {
        margin-bottom: 20px;
    }
    #news .news-date {
        color: rgb(118, 193, 223);
        margin-right: 10px;
    }
    #news .col-12:nth-of-type(5) {
        text-align: center;
       /* 他的意思是 col-12 同一個層級的，不是一模一樣的 */
    }
  @media screen and (min-width: 600px) {
        #news .news-info span {
            display: block;
        }
  }
    /* FOOTER */
    footer {
        background-color:  rgb(117, 145, 155);
        padding-top:80px;
        color: rgb(238, 237, 237);
        text-align: left;  /*這個是為了蓋過手機板*/
    }
    footer h3 {
        padding-bottom: 20px;
        font-size: 1em;
    }
  @media screen and (max-width: 1200px) {
            footer .fixed-width {
                width: 100%; /*為了寬度穩合*/
            }
            footer .col-3 {
                width: 50%;
            }
            footer .col-2 {
                text-align: left;
            }
            footer .col-10 {
                text-align: left;
            }
            /* ↑這邊要怎麼設定 才能讓 ICON 跟文字同一排???????? */
  }
    footer p {
        color: rgb(219, 215, 215);
        font-size: .8em;
    }
    footer a {
        color: rgb(219, 215, 215);
        text-decoration: none;
    }
    /* COPYRIGHT */
    #copyright {
        background-color: rgb(20, 19, 19);
        color: rgb(252, 250, 250);
    }
    #copyright .col-4 {
        letter-spacing: 2px;
        text-align: left; /*這個是為了蓋過手機板*/
        padding: 15px;    /*這個是為了蓋過手機板*/
    }
    #copyright .col-8{
        text-align: right;
        padding: 15px;    /*這個是為了蓋過手機板*/
    }
    #copyright .col-8 a {
        padding-left: 10px;
        padding-right: 10px;
        color: #fff;
        text-decoration: none;
    }
}