@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@500&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans TC', sans-serif;
}
.header-wrapper {
    width: 100vw;
    height: 80px;
    background: #66F;
}
header {
    position: fixed;
    z-index: 10;
    width: 100vw;
    height: 80px;
    background: #66F;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
}
.logo {
    font-weight: bold;
    font-size: 30px;
}
#phone-menu {
    width: 50px;
    height: 50px;
}
.hide {
    display: none !important;
}
#dropdown {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 80px);
    background: #FFF;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}
.dropdown-item {
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: white;
    color: #66F;
    font-size: 20px;
}
.dropdown-item:hover {
    text-decoration: underline;
}
header ul {
    display: none;
    list-style: none;
    text-decoration: none;
    justify-content: center;
    align-items: center;
    gap: 20px;
}
header ul li {
    border-bottom: 2px solid transparent;
}
header ul li:hover {
    border-bottom: 2px solid white;
    cursor: pointer;
}
.welcome {
    width: 100vw;
    height: calc(100vh - 80px);
    background: linear-gradient(-45deg, #66F 50%, white 50%, white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 20px solid #66F;
}
.welcome-img, .welcome-msg {
    height: calc(50vh - 40px);
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
}
.pleco-img {
    width: 200px;
    height: 200px;
    font-size: 140px;
    border: 20px solid white;
    background: #66F;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-family: 'Noto Sans TC', sans-serif;
    transition: .5s;
    animation: enter-fade 1s ease-in;
}
@keyframes enter-fade {from {opacity: 0;} to {opacity: 1;}}
.pleco-img:hover {
    width: 220px;
    height: 220px;
    font-size: 160px;
}
.msg {
    height: 250px;
    width: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.msg h1 {
    align-self: center;
    font-size: 80px;
    color: white;
}
.msg h4 {
    color: #333;
}
.msg h4 span {
    color: white;
    border-bottom: 2px solid white;
}
.msg h4 span:hover {
    background: white;
    color: #66F;
}
.features {
    width: 100vw;
    height: 100vh;
    background: #66F;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
}
.card {
    width: 200px;
    height: 200px;
    background: white;
    position: relative;
    transform-style: preserve-3d;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    color: #66F;
}
.card::before {
    content: '羊肉';
    position: absolute;
    top: 0;
    left: 0;
    width: 150px;
    height: 150px;
    background: white;
    opacity: 0.8;
    transform: translateX(-60px) translateY(20px) translateZ(-1px);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #66F8;
}
.card::after {
    content: '牛肉';
    position: absolute;
    background: white;
    color: black;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    opacity: 0.8;
    transform: translateX(60px) translateY(20px) translateZ(-1px);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #66F8;
}
.card-description {
    color: white;
    font-size: 20px;
}
.char-belt {
    width: 100vw;
    height: 80px;
    background: white;
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: 30px;
    color: #66F;
}
.char-belt svg {
    width: 40px;
    height: 40px;
}

@media screen and (min-width: 800px) {
    .welcome {
        flex-direction: row;
    }
    .welcome-msg, .welcome-img {
        width: 50vw;
    }
    .pleco-img {
        height: 55vh;
        width: 55vh;
        font-size: 32vh;
    }
    .pleco-img:hover {
        height: 60vh;
        width: 60vh;
        font-size: 35vh;
    }
    .msg h1 {
        font-size: 100px;
    }
    header ul {
        display: flex;
    }
    #phone-menu {
        display: none;
    }
}