body,
html {
    width: 100%;
    margin: 0;
    padding: 0;
}


/*全部*/

.main {
    width: 100%;
    height: auto;
    position: relative;
    overflow: hidden;
}

.main::before {
    content: "";
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -1;
    background-image: url(../img/01-open/bg.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

.content {
    width: 61%;
    position: relative;
    margin: 11.5vw auto 0 auto;
}

.title {
    width: 100%;
    font-family: 'Noto Serif TC', serif;
    border-bottom: 1px solid #000;
    padding: 0 0 1vw 0;
    position: relative;
    margin: 0 0 3.2vw 0;
}

.title::after {
    content: "";
    width: 1vw;
    height: 0.17vw;
    position: absolute;
    left: 0;
    bottom: -0.13vw;
    background-color: #000;
}

.title h2 {
    width: 5.5vw;
    line-height: 1.5vw;
    color: #fff;
    background-color: #a68608;
    font-size: 0.83vw;
    letter-spacing: 0.15vw;
    text-indent: 0.15vw;
    margin: 0;
    display: inline-block;
    text-align: center;
}

.title h4 {
    color: #000;
    font-size: 0.8vw;
    letter-spacing: 0.25vw;
    display: inline-block;
    margin: 0 0 0 0.3vw;
}

.banner {
    width: 50vw;
    height: auto;
    position: relative;
    margin: 0 auto;
    padding: 0 0 3vw 0;
}

.swiper-container {
    overflow: visible;
}

.banner .swiper-pagination {
    width: fit-content;
    position: absolute;
    left: auto;
    right: -0.4vw;
    bottom: -2.4vw;
}

.swiper-pagination-bullet {
    background-image: url(../img/01-open/dot2.png);
    display: inline-block;
    background-repeat: no-repeat;
    background-size: contain;
    width: 0.75vw;
    height: 0.75vw;
    margin-left: 0.4vw !important;
    margin-right: 0.4vw !important;
    opacity: 1;
    border: none;
    background-color: transparent;
    border-radius: 0;
}

.swiper-pagination-bullet-active {
    background-image: url(../img/01-open/dot1.png);
    background-color: transparent;
}

.pic-txt {
    position: absolute;
    right: 0.5vw;
    bottom: 0.5vw;
    color: #fff;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.7vw;
    letter-spacing: 0.1vw;
    font-weight: 500;
    z-index: 999;
}

.txt {
    width: 50vw;
    height: auto;
    position: relative;
    margin: 0 auto 12vw auto;
    font-family: 'Noto Serif TC', serif;
    position: relative;
    color: #000;
}

.txt h2 {
    font-size: 1.6vw;
    letter-spacing: 0.3vw;
    font-weight: 600;
    line-height: 2.5vw;
    margin: 0 0 0.4vw 0;
}

.txt h4 {
    line-height: 1.5vw;
    font-size: 0.8vw;
    letter-spacing: 0.08vw;
    margin: 0;
    font-weight: normal;
}

.back {
    width: 3vw;
    position: relative;
    margin: 0 auto 2vw auto;
    display: block;
}

.bg-pic1 {
    width: 21vw;
    position: absolute;
    top: 4vw;
    right: 0;
}

.bg-pic2 {
    width: 23vw;
    position: absolute;
    top: 33vw;
    right: 0;
}

.eng-line {
    width: 1px;
    height: 100%;
    position: absolute;
    left: 7vw;
    top: 0;
}

.top-line {
    width: 1px;
    height: 0;
    position: absolute;
    left: 0;
    top: 0;
    background-color: #000;
    animation: top-line 1s ease;
    animation-fill-mode: forwards;
    animation-delay: 0.5s;
}

@keyframes top-line {
    0% {
        height: 0;
    }

    100% {
        height: 10vw;
    }
}

.eng {
    font-family: 'Noto Serif TC', serif;
    font-size: 0.85vw;
    letter-spacing: 0.18vw;
    font-weight: 500;
    -ms-writing-mode: tb-lr !important;
    -webkit-writing-mode: vertical-lr !important;
    -moz-writing-mode: vertical-lr !important;
    -ms-writing-mode: vertical-lr !important;
    writing-mode: vertical-lr !important;
    position: absolute;
    left: -0.5vw;
    top: 10.7vw;
    opacity: 0;
    animation: eng 1s ease;
    animation-fill-mode: forwards;
    animation-delay: 1.5s;
}

@keyframes eng {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

.bottom-line {
    width: 1px;
    height: 0;
    position: absolute;
    left: 0;
    top: 18.3vw;
    background-color: #000;
    animation: bottom-line 1.5s ease;
    animation-fill-mode: forwards;
    animation-delay: 2.2s;
}

@keyframes bottom-line {
    0% {
        height: 0;
    }

    100% {
        height: 100%;
    }
}

.box {
    width: 12vw;
    height: 3vw;
    position: absolute;
    left: 0;
    bottom: 0;
    background-color: #f5b145;
    opacity: 0.4;
}

.newslink {
    position: relative;
    display: block;
    width: 1.5vw;
    height: 1.5vw;
    margin-top: 0.2vw;
    background-color: #000;
    mask-image: url(../img/01-open/link.png);
    mask-size: contain;
    mask-position: center center;
    mask-repeat: no-repeat;
    cursor: pointer;
    transition: background-color 0.4s ease;
    display: none;
}

.newslink:hover {
    background-color: #a68608;
}

.link {
    position: relative;
    margin-top: 0.2vw;
    line-height: 1.5vw;
    font-size: 0.8vw;
    letter-spacing: 0.08vw;
    margin: 0;
    font-weight: normal;
    font-family: 'Noto Serif TC', serif;
}

.link-title {
    display: inline;
}

.link-btn {
    position: relative;
    color: #00f;
    border-bottom: #00f 1px solid;
}