* {
    margin: 0;
    padding: 0;
}

.intro {
    width: 100%;
    height: 100vh;
    /* background-image: url(../img/index_background.jpg); */
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    overflow: hidden;
}

.intro ._warp{
    text-align: center;
    padding: 20px 10px;
}
.intro ._img1{
    margin-bottom: 20px;
    padding-top:25px
}
.intro ._img3{
        width: 100%;
    position: absolute;
    bottom: -10%;
}
.intro ._img4{
        position: absolute;
    bottom: -30px;
}

.index_intro_lang_buttons {
    margin: 160px 0;
    display: flex;
    justify-content: center;
    gap: 40px;
    z-index: 9999;
    position: relative;
}
.index_lang_btn {
    display: inline-block;
    background: #fff;
    color: #000;
    padding: 25px 150px;
    border-radius: 40px;
    font-size: 24px;
    font-weight: 600;
    box-shadow: 0 0 9px rgba(0, 0, 0, 0.2);
    transition: all .3s;
     background: #D11220;
    color: #fff;
}
.index_lang_btn:hover {
   background: #b90f1b;
    box-shadow: 0 0 0 4px rgba(209, 18, 32, 0.25);
}

.intro .logo {
    width: 90%;
    max-width: 785px;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.intro .logo img {
    width: 100%;
}

.intro .bt {
    width: 90%;
    max-width: 868px;
    display: flex;
    justify-content: space-between;
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.intro .bt a {
    display: block;
    width: 47%;
    height: 55px;
    line-height: 54px;
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    text-decoration: none;
    color: white;
    font-family: "Pretendard Variable", Pretendard;
    border: 1px solid white;
    box-sizing: border-box;
    backdrop-filter: blur(5px);
    border-radius: 0 11px 11px 11px;
    position: relative;
    transition: .5s;

}

.intro .bt a:first-child {
	background: #dc143c;
}

.intro .bt a:last-child {
	background: #F9B700;
}

.intro .bt img {
    position: absolute;
    top: -1px;
    left: -1px;
	-webkit-filter: brightness(0) invert(1); 
	filter: brightness(0) invert(1);
}

.intro .footer {
    position: absolute;
    left: 5%;
    bottom: 25px;
}

.intro .footer img {}

@media screen and (max-width: 1900px) {
	._img4{
        width: 100%;
    }
}

@media screen and (max-width: 1200px) {

    .index_intro_lang_buttons{
        padding: 10px;
    }
    .index_intro_lang_buttons a{
        display: inline-block;
        width: 50%;
        text-align: center;
        padding: 0;
        line-height: 80px;
    }
    img{
        width: 100%;
    }
}
@media screen and (max-width: 800px) {
	img{
        width: 100%;
    }
    .index_intro_lang_buttons {
        padding: 10px;
        display: block;
        position: absolute;
        width: 100%;
        top: 0;
        margin: 0;
        height: 100vh;
        margin-top: 60%;
    }
    .index_intro_lang_buttons a{
        display: inline-block;
        width: 100%;
        text-align: center;
        padding: 0;
        line-height: 50px;
    }
    .index_intro_lang_buttons a:first-child{
        margin-bottom: 25px;
    }
    .intro ._img3 {
        bottom: 0;
        left: -25%;
        width: 150%;
    }
    .intro  ._img4{
        bottom: 0;
        width: 200%;
        margin-left: -50%;

    }
}