.main-container_main_notice {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1%;
            padding: 3%;
            width: 100%;
            max-width: 1600px;
            margin: 0 auto;
            box-sizing: border-box;
        }

        .section_main_notice {
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            align-items: flex-start;
            flex: 1 1 170px;
            padding: 0 10px;
            min-width: 150px;
            box-sizing: border-box;
            position: relative;
            border-bottom: 2px solid #006400;
            padding-bottom: 8px;
            /* 선택: 간격을 줄 수 있음 */
        }

        .label_main_notice {
            font-size: clamp(14px, 1.1vw, 14px);
            font-weight: bold;
            color: #333;
            margin-bottom: 6px;
        }

        .update_main_notice {
            font-size: clamp(14px, 1vw, 13px);
            color: #888;
            margin-bottom: 10px;
        }

        .title_main_notice {
            display: block;
            font-size: clamp(14px, 1.6vw, 20px);
            font-weight: bold;
            color: #111;
            text-decoration: none;
        }


        .more-btn_main_notice {
            font-size: clamp(14px, 1vw, 14px);
            margin-top: 10px;
            padding: 6px 16px;
            background-color: #f3f3f3;
            color: #000;
            border: none;
            border-radius: 15px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .more-btn_main_notice:hover {
            background-color: #006400;
            color: white;
        }

        .slide-wrapper {
            position: relative;
            overflow: hidden;
            height: 2.8em;
            /* 텍스트 높이에 맞게 조정 */
        }

        .slide-text {
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            /* 몇 줄까지 보여줄지 설정 */
            overflow: hidden;
            text-overflow: ellipsis;
            position: relative;
            transition: transform 0.5s ease, opacity 0.5s ease;
            line-height: 1.2em;
            /* line-height × 줄 수 */
            word-break: break-word;
        }

        .mainbn a {
            display: block;
            text-decoration: none;
            color: inherit;
        }







        /* ===== 학생활동 전체 영역 ===== */
        .student-activity {
            padding: 60px 20px;
            text-align: center;
        }

        /* ===== 헤더 ===== */
        .student-activity .section-header h2 {
            font-size: 2rem;
            margin-bottom: 10px;
            font-weight: bold;
        }

        .student-activity .section-header p {
            margin-bottom: 20px;
            color: #555;
            font-size: 0.95rem;
        }

        .student-activity .btn-more {
            display: inline-block;
            padding: 8px 20px;
            background: #006400;
            color: #fff;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 500;
            margin-bottom: 40px;
        }

        /* ===== 슬라이더 래퍼 ===== */
        .activity-slider-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            max-width: 100%;
        }

        /* ===== 슬라이더 영역 ===== */
        .activity-slider {
            overflow: hidden;
            width: 100%;
            max-width: 1200px;
        }

        /* ===== 카드 리스트 ===== */
        .activity-list {
            display: flex;
            gap: 20px;
            transition: transform 0.5s ease;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        /* ===== 개별 카드 ===== */
        .activity-list li {
            flex: 0 0 250px;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            text-align: left;
            transition: transform 0.2s ease;
        }

        .activity-list li:hover {
            transform: translateY(-5px);
        }

        /* ===== 링크 스타일 제거 ===== */
        .activity-list li a {
            text-decoration: none;
            color: inherit;
            display: block;
        }

        /* ===== 썸네일 영역 (4:3 비율 고정) ===== */
        .activity-list .thumb {
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .activity-list .thumb img {
            width: 100%;
            height: 100%;
            object-fit: fill;
            /* 강제 채우기 (비율 무시 가능) */
            display: block;
        }

        /* ===== 카드 내부 정보 ===== */
        .activity-list .info {
            padding: 15px;
        }

        .activity-list .info .category {
            font-size: 0.8rem;
            color: #888;
            margin-bottom: 5px;
        }

        .activity-list .info h3 {
            font-size: 1rem;
            font-weight: bold;
            margin: 0 0 8px 0;
            color: #222;
        }

        .activity-list .info .date {
            font-size: 0.75rem;
            color: #999;
        }

        /* ===== 슬라이드 화살표 ===== */
        .slider-prev,
        .slider-next {
            background: rgba(0, 0, 0, 0.3);
            color: white;
            border: none;
            font-size: 28px;
            font-weight: bold;
            padding: 12px 16px;
            border-radius: 50%;
            cursor: pointer;
            z-index: 10;
            transition: background 0.3s ease, transform 0.2s ease;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            line-height: 1;
        }

        .slider-prev:hover,
        .slider-next:hover {
            background: rgba(0, 0, 0, 0.6);
            transform: translateY(-50%) scale(1.1);
        }

        .slider-prev {
            left: 10px;
        }

        .slider-next {
            right: 10px;
        }


        /* ===== 반응형 대응 ===== */
        @media screen and (max-width: 768px) {
            .activity-list li {
                flex: 0 0 200px;
            }

            .activity-list .thumb {
                aspect-ratio: 4 / 3;
            }

            .slider-prev,
            .slider-next {
                font-size: 16px;
                padding: 8px;
            }
        }