:root {
            --primary: #4361ee;
            --primary-dark: #3a0ca3;
            --primary-light: #f0f2ff;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.2s ease;
        }

        .notice-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 30px 20px;
        }

        .section-header {
            margin-bottom: 25px;
        }

        .section-title h2 {
            font-size: 1.5rem;
            color: var(--primary-dark);
            margin: 0 0 10px 0;
            position: relative;
            padding-bottom: 8px;
            display: inline-block;
        }

        .section-title h2:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 3px;
            background: var(--primary);
            bottom: 0;
            left: 0;
        }

        .notice-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .notice-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .notice-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .notice-image-container {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .notice-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .notice-card:hover .notice-image {
            transform: scale(1.03);
        }

        .notice-date-badge {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background-color: rgba(67, 97, 238, 0.9);
            color: white;
            padding: 3px 8px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 500;
        }

        .notice-content {
            padding: 15px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .notice-title {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 8px 0;
            color: var(--dark);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .notice-excerpt {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 12px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .read-more {
            font-size: 0.8rem;
            padding: 6px 12px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 4px;
            text-decoration: none;
            align-self: flex-start;
            transition: var(--transition);
        }

        .read-more:hover {
            background-color: var(--primary-dark);
        }

        .empty-state {
            text-align: center;
            padding: 40px 20px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            grid-column: 1 / -1;
        }

        .empty-state i {
            font-size: 2rem;
            color: var(--gray);
            margin-bottom: 15px;
        }

        @media (max-width: 1200px) {
            .notice-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 900px) {
            .notice-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .notice-grid {
                grid-template-columns: 1fr;
            }

            .notice-container {
                padding: 25px 15px;
            }

            .section-title h2 {
                font-size: 1.3rem;
            }
        }