@media (max-width: 800px) {
    body {
        background-color: #ffffff;
        font-family: Arial, sans-serif;
        line-height: 1.6;
        margin: 0;
        padding: 0;
        color: #333;
    }
    /* //////頂部區域////// */
  header {
    position: fixed;
    background: linear-gradient(to right, #9e9d77f0, #2b3e57f0);
    width: 100%;
    height: 15vh;
    z-index: 1000;
    color: white;
  }
  .header-container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between; 
  }
  .header-logo {
    display: flex;
    align-items: center;
    justify-content: space-evenly; 
    min-width: 20%;
    height: auto;
    margin: 0 0;
    padding: 0 0;
  }
  .header-img {
    width: 130px;
    height: 100%;
    display: block;
    pointer-events: auto;
    user-select: none;
  }
  .menu-toggle {
    all: unset;
    color: #ffffff;
    display: block;
    font-size: 30px;
    font-weight: 1000;
  }
  .header-links {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    background-color: #e7e7e7;
    position: absolute;
    width: 100%;
    top: 100%;
    left: 0;
    z-index: 1000;
  }
  .header-links.active1 {
    max-height: 802px;
  }
  .header-links a {
    display: flex;
    align-items: center;
    justify-content: left; 
    color: rgb(20, 58, 59);
    text-decoration: none;
    width: 80%;
    padding: 0 10px;
    margin: 0 0;
    font-size: 20px;
    font-weight: 500;
    height: 50px;
  }
  .header-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: left; 
    width: auto;
    height: 35%;
    margin: 0 0;
    padding: 0 0;
  }
  .header-menu-line {
    background-color: #272727;
    width: 100%;
    height: 3px;
    margin: 0 0;
    padding: 0 0;
  }
  .header-menu-item-dropdown {
    position: relative;
    width: 80%;
    padding: 0 0;
    margin: 0 0;
    font-size: 20px;
    font-weight: 1000;
    height: 50px;
  }
  .header-menu-item-dropdown a {
    color: rgb(20, 58, 59);
    width: 100%;
    padding: 0 10px;
    margin: 0 0;
    font-size: 20px;
    font-weight: 500;
    height: 50px;
  }
  .product-toggle {
    all: unset;
    background-color: #ffffff00;
    color: rgb(20, 58, 59);
    display: flex;
    align-items: center;
    justify-content: center; 
    position: absolute;
    top: 0;
    right: -70px;
    width: 20%;
    height: 50px;
    padding: 0 0px;
    margin: 0 0;
    font-size: 30px;
    font-weight: 300;
  }
  .header-dropdown-menu{
    height: 0;
    overflow: hidden;
    transition: height 0.5s ease;
    flex-direction: column;
    justify-content: left;
    position: absolute;
    left: 20px;
    width: 100%;
    padding: 0 20px;
    margin: 0 0;
    list-style: none;
    z-index: 1000;
  }
  .header-dropdown-menu.active2 {
    height: 190px;
  }
  .header-menu-space {
    height: 0;
    overflow: hidden;
    transition: height 0.5s ease;
    width: 100%;
    margin: 0 0;
    padding: 0 0;
  }
  .header-menu-space.active2 {
    height: 190px;
  }
  .header-menu-item.dropdown,.header-dropdown-menu {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }
  .header-item-image {
    color: #ffffff;
    width: 200px;
    height: auto;
    margin: 0px 0px;
    padding: 2px 0px;
    border-radius: 10px;
    font-size: 25px;
  }
  .header-item-image a {
    display: flex;
    align-items: center;
    justify-content: left;
    text-decoration: none;
    color: rgb(20, 58, 59);
    width: 200px;
    height: auto;
    margin: 0px 0px;
    padding: 10px 0px;
    border-radius: 10px;
    font-size: 25px;
  }
  .header-hover-image {
    display: none;
  }
  .lang-toggle {
    position: relative;
    width: 100px;
    height: 35%;
    background-color: #837762;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    margin: 0 3vw;
    font-family: sans-serif;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s;
  }
  .lang-toggle .toggle-btn {
    position: absolute;
    width: 55%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 100px;
    transition: transform 0.3s;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.603);
    transform: translateX(0%);
  }
  .lang-toggle span {
    font-size: 15px;
    font-weight: 300;
    z-index: 1;
    width: 50%;
    text-align: center;
    font-weight: bold;
  }
  .lang-toggle.active .toggle-btn {
    transform: translateX(80%);
  }

    /* //////中部區域1_GoogleMaps////// */
    .opening-map {
        position: relative;
        top: 100px;
        width: 100%;
        height: 50vh;
        overflow: hidden;
        margin: 0 0 150px 0;
    }
    .opening-map iframe {
        position: absolute;
        bottom: 0%;
        left: 0%;
        width: 100%;
        height: 100%;
    }

    /* //////中部區域2_LOGO+contact////// */
    .contact {
        display: flex;
        align-items: center;
        flex-direction: column;
        position: relative;
        width: 100%;
        height: 250px;
        overflow: hidden;
    }
    .contact img{
        position: absolute;
        top: 0%;
        width: 150px;
        height: auto;
    }
    .contact h1{
        display: flex;
        justify-content: center;
        position: absolute;
        top: 45%;
        width: 80%;
        height: auto;
        font-size: 15px;
        font-weight: 500;
    }
    .contact-line1 {
        background: linear-gradient(to right, #ffffff, #eee5aa, #ffffff);
        position: absolute;
        top: 220px;
        width: 100%;
        height: 2px;
    }
    .contact-info {
        display: flex;
        align-items: center;
        flex-direction: column;
        position: relative;
        left: 15%;
        width: 70%;
        height: 300px;
        overflow: hidden;
    }
    .char1 { color: rgb(0, 0, 0); }
    .char2 { color: rgb(226, 205, 17); }
    .contact-info h1 {
        font-size: 30px;
        font-weight: 700;
    }
    .contact-info h2 {
        font-size: 15px;
        font-weight: 500;
    }
    .contact-icon {
        
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-around;
        position: relative;
        top: -40px;
        width: 100%;
        height: 800px;
    }
    .contact-icon img {
      background-color: #121f36;
        width: 100px;
        height: 12%;
    }
    .contact-text {
        display: flex;
        align-items: center;
        flex-direction: column;
        justify-content: space-around;
        position: relative;
        top: -760px;
        width: 100%;
        height: 800px;
        margin: 0 0;
    }
    .contact-text h1 {
        display: flex;
        justify-content: center;
        width: 90%;
        height: auto;
        font-size: 15px;
        font-weight: 500;
    }
    .contact-info2 {
        display: flex;
        align-items: center;
        flex-direction: column;
        position: relative;
        top: -760px;
        left: 15%;
        width: 70%;
        height: 300px;
        overflow: hidden;
    }
    .contact-info2 h1 {
        font-size: 30px;
        font-weight: 700;
    }
    .contact-info2 h2 {
        font-size: 15px;
        font-weight: 500;
    }
    .contact-manager {
        background-color: #f7f7f7;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        position: relative;
        margin-top: -820px;
        width: 100%;
        height: 500px;
        overflow: hidden;
    }
    .contact-President h1, .contact-CTO h1 {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 100px;
        font-size: 20px;
        font-weight: 600;
    }
    .contact-President h2, .contact-CTO h2 {
        display: flex;
        align-items: center;
        width: 100%;
        height: 100px;
        font-size: 15px;
        font-weight: 500;
    }


    /* //////底部區域////// */
    footer {
        position: relative;
        background: linear-gradient(to right, #2b3e57f0, #9e9d77f0);
        padding: 20vh 5vw;
    }
    .footer-menu {
        position: absolute;
        top: 15%;
        left: 0%;
        width: 100%;
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .footer-links a {
        color: #ffffff;
        text-decoration: none;
        font-size: 3vw;
        font-weight: 700;
        padding: 0 1vw;
        position: relative;
    }
    .footer-vertical-line {
        background-color: #bcbcbc;
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 0%;
        left: 96%;
        width: 2%;
        height: 100%;
        z-index: 20;
    }
    .footer-horizontal-line {
        background-color: #bcbcbc;
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 30%;
        width: 80%;
        height: 1%;
        left: 10%
    }
    .footer-container {
        margin-top: 5%;
        margin-left: 10%;
        font-size: 3vw;
        font-weight: 200;
        color: #ffffff;
    }
    .footer-copyright {
        position: absolute;
        top: 90%;
        left: 20%;
        font-size: 1vw;
        color: #959595;
    }
    .footer-logo {
        position: absolute;
        top: 70%;
        left: 40%; 
    }
    .footer-img {
        width: 50%;
        height: auto;
    }
}