.research-section {
    height: 760px;
    background: #0b63c8;
    position: relative;
    margin: 0 auto;
    padding: clamp(60px, 8vw, 120px) clamp(20px, 3vw, 40px) clamp(100px, 10vw, 200px) clamp(20px, 3vw, 40px);
    color: #ffffff;
}
#research-section {
    max-width: 1280px;
    margin: 0 auto;
}
.news-content-inner {
display: flex
;
    justify-content: space-between;
    align-items: flex-end;
    align-content: flex-end;
    margin-bottom: 70px;


}
.new_section_btn_icon {
    color: #000;
    font-size: 16px;
}
.new_section_btn_icon2 {
     color: #fff;
    font-size: 16px;
}
.new_section_btn_icon:hover {
    /*color: #fff;*/
    font-weight: bold;
    text-decoration: underline;
    text-decoration-color: #fff;
    opacity: 0.8;
}
.new_section_btn_icon2:hover {
    color: #fff;
    text-decoration: underline;
    text-decoration-color: #fff;
    opacity: 0.8;
}
.research-section .section-title-container {
    position: relative;
    top: unset;
    display: block;
    /* margin: 0 auto clamp(48px, 3.5vw, 72px); */
 
}
.research-section .section-title-vertical {
    font-size: clamp(32px, 3.5vw, 40px);

    font-weight: 700;
    color: #ffffff;
}

.research-section .section-title-line {
    display: none;
}

/* 래퍼 / 슬라이더 */

.research-item-wrapper {
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
}

.research-slider {
    position: relative;
    width: 100%;
    min-width: 0;
    overflow: hidden;
}

.research-slider .slick-list {
    margin-left: clamp(-18px, -2.5vw, -24px);
    width: clamp(calc(100% + 18px * 2), calc(100% + 2.5vw * 2), calc(100% + 24px * 2));
}

/* 슬라이드 높이 맞추기 */
.research-slider .slick-track {
    display: flex;
}

.research-slider .slick-slide {
    padding: 0;
    height: auto;
    display: flex;
    align-items: stretch;
}

.research-slider .slick-slide.slick-current .research-item {
    border-left: none;
}

/* 화살표 */
.arrow {
    width: clamp(40px, 5vw, 48px);
    height: clamp(40px, 5vw, 48px);
    border-radius: 50%;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 400;
    color: #ffffff;
    flex-shrink: 0;
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    z-index: 1;

    /* 🔥 화살표 깨짐/가로선 문제 완전 해결 */
    line-height: 1;
    font-family: "Arial", "Noto Sans KR", sans-serif;
}


/* 화살표 공통 스타일 */
.arrow {
    width: clamp(40px, 5vw, 48px);
    height: clamp(40px, 5vw, 48px);
    border-radius: 50%;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    position: absolute;
    top: 120%;
    transform: translateY(-50%);
    z-index: 1;
}

/* ⟶ 가로선 */
.arrow::before {
    content: "";
    width: 24px;
    height: 2px;
    background: #fff;
    position: absolute;
}

/* ⟶ 화살촉 */
.arrow::after {
    content: "";
    width: 8px;
    height: 8px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    transform: rotate(45deg);
    position: absolute;
    right: 10px;
    /* 위치 조정 */
}

/* 좌우 방향 */
.arrow-left {
    left: 0;
    transform: translateX(0%) translateY(10%);
}
.arrow-left::after {
    transform: rotate(225deg);
    /* ← 방향 */
    left: 10px;
    right: auto;
}
.arrow-right {
    right: 0;
    transform: translateX(0%) translateY(10%);
}

/* ← → 모두 ⟶ 느낌 완전 재현됨 */
.arrow:hover {
    color: #0b63c8;
}

/*
.arrow-left {
left: 0;
transform: translateX(-150%);
}

.arrow-right {
right: 0;
transform: translateX(150%);
}

.arrow-left::before {
content: '‹';
position: absolute;
top: 50%;
transform: translateY(-55%);
font-size: inherit;
}

.arrow-right::before {
content: '›';
position: absolute;
top: 50%;
transform: translateY(-55%);
font-size: inherit;
}
*/
/* 컬럼 */

.research-item-container {
    height: 100%;
    display: flex;
}

/* a 태그로 변경된 research-item */
.research-item {
    padding: 0 clamp(18px, 2.5vw, 24px);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    height: 100%;
    flex: 1 1 auto;
    color: #ffffff;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    cursor: pointer;
    border-left: 1px solid rgba(255, 255, 255, 0.35);
    transition: background-color 0.2s ease, color 0.2s ease;
    text-decoration: none;
    /* 링크 밑줄 제거 */
}

.research-item:visited {
    color: #ffffff;
}

.research-slider .research-item-container:first-child .research-item {
    border-left: none;
}

.research-item:hover {
    color: #fff;
    text-decoration: underline;
    /* 밑줄 생성 */
    text-decoration-color: #fff;
    opacity: 0.8;
    /* 밑줄 색도 변경 */
}

/* 텍스트 */

.research-item-date {
    margin: 0 auto clamp(8px, 0.5vw, 10px);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.45;
    letter-spacing: 0.04em;
    width: 100%;
}

/* cat: 2줄 말줄임 + 높이 고정 */
.research-item-cat {
    margin: 0 auto clamp(18px, 2vw, 24px);
    font-size: 18px;
    font-weight: 200;
    line-height: 1.45;
    letter-spacing: -1px;
    width: 100%;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    min-height: 2.9em;
}

/* title: 4줄 말줄임 */
.research-item-title {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.85;
    word-break: keep-all;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    max-height: calc(1.85em * 4);
}


.research-item-title:hover {
color:#fff;
opacity: 0.8;
}

/* 모바일 */

@media (max-width: 768px) {
    .research-section {
        padding: 48px 20px 56px;
    }
    .research-section .news-content-inner {
        gap:16px;
        align-items: flex-end;
        margin:0 auto 70px;
        width: 100%;
    }
    .research-section .section-title-container {
        display: inline-flex;
        margin:0;
    }
    .research-section .new_section_btn {
        display: inline-flex;
        margin-bottom:5px;
        padding:0;
        font-size:16px;
    }
    .research-item-wrapper {
        flex-direction: column;
        gap: 24px;
    }

    .arrow-wrap {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        position: relative;
    }
    .arrow {
        position: relative;
    }
    .arrow-left {
        left: unset;
        transform: unset;
    }
    .arrow-right {
        right: unset;
        transform: unset;
    }
    .research-item {
        min-height: 220px;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.3);
    }
    .research-slider .research-item-container .research-item {
        border-top: none;
    }
}