html {
    scroll-behavior: smooth;
}

body {
    font-family: "Century Gothic", "微軟正黑體", sans-serif;
    background: #f3f3f3 url(../images/368109_bg_img.webp);
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    overflow-x: hidden;
    color: #040000;
}

a {
    text-decoration: none;
}

.fs-18 {
    font-size: 1.125rem;
}

.bg-opacity-90 {
    --bs-bg-opacity: 0.9;
}

.text-justify {
    text-align: justify;
}

.text-style-times {
    font-family: Georgia, "Times New Roman", Times, serif, "新細明體", "PMingLiU";
}

.z-01 {
    z-index: -1;
}

.show-content {
    height: 550px;
}

.show-content::-webkit-scrollbar {
    width: 12px;
}

.show-content::-webkit-scrollbar-track {
    border-radius: 10px;
    background: #929292;
}

.show-content::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: #75090a;
}

.social-icon .btn {
    max-width: 60px;
}

[href="#top"] {
    max-width: 80px;
}

.heading-text {
    position: relative;
    padding: .5em .7em;
    background-color: #c6292a;
    color: #fff;
}

.heading-text::before {
    position: absolute;
    top: 100%;
    left: 0;
    border-bottom: solid 30px transparent;
    border-right: solid 40px #75090a;
    content: '';
}

.line {
    border-bottom: 2px dotted #4587ad;
    height: 1px;
}

@media (min-width:1200px) {

    .h2,
    h2 {
        font-size: 1.8rem;
    }
}

@media (max-width:991px) {
    header>div>.position-relative {
        position: static;
    }

    .offcanvas.offcanvas-top {
        height: 80vh;
    }

    hr {
        opacity: 1;
    }
}

@media (max-width:575px) {
    h2.display-5 {
        font-size: calc(1.425rem + 1.6vw);
    }
}