.o_big {
    position: relative;
    overflow: hidden;
}

.o_big img {
    width: 100%;
    min-height: 220px;
    object-fit: cover;
}

.o_big h1 {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    padding: 0 20px;
    transform: translate(-50%, -50%);
    color: #fff;
    text-align: center;
    font-size: 34px;
    font-weight: 600;
    line-height: 1.3;
    text-shadow: 0 5px 18px rgba(0, 0, 0, 0.3);
}

.product_a {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 26px 0 14px;
    border-bottom: 1px solid #e3ecf5;
}

.product_a a {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid #d3e0ee;
    border-radius: 999px;
    font-size: 14px;
    color: #4b6785;
    background: #f6faff;
}

.product_a a:hover,
.product_a a.csel {
    color: #fff;
    background: #004ea2;
    border-color: #004ea2;
}

.news_bg {
    padding: 44px 0 72px;
    background: #f7fbff;
}

.about_x {
    background: #fff;
    border: 1px solid #d9e6f2;
    border-radius: 14px;
    padding: 30px 34px;
    box-shadow: 0 8px 20px rgba(7, 39, 77, 0.06);
}

.about_x::after {
    content: "";
    display: block;
    clear: both;
}

.show_t {
    color: #102e4b;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.35;
}

.con_line {
    width: 62px;
    height: 3px;
    margin: 16px 0 20px;
    background: linear-gradient(90deg, #0ea5e9, #004ea2);
    border-radius: 999px;
}

.con_id {
    color: #4d637b;
    font-size: 15px;
    line-height: 1.95;
}

.con_id p {
    margin-bottom: 14px;
}

.prenext {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed #d8e3ef;
    font-size: 14px;
    color: #5c7187;
    width: 50%;
    float: left;
}

.prenext a {
    color: #1f4f86;
}

.prenext a:hover {
    color: #004ea2;
    text-decoration: underline;
}

.prenext + .prenext {
    text-align: right;
}

.anim,
.anim-1,
.anim-2 {
    opacity: 1;
    transform: none;
}

@media (max-width: 768px) {
    .o_big h1 {
        font-size: 26px;
    }

    .about_x {
        padding: 24px 20px;
    }

    .show_t {
        font-size: 24px;
    }

    .prenext {
        width: 100%;
        float: none;
    }

    .prenext + .prenext {
        text-align: left;
    }
}