:root {
        --primary-bg: #1a1a1a;
        --secondary-bg: #2a2a2a;
        --card-bg: #333;
        --text-color: #f0f0f0;
        --accent-color: #ffd700; 
        --link-color: #ffd700;
        --link-hover-color: #ffe066;
        --date-color: #aaa;
        --summary-color: #ccc;
        --border-color: #444;
        --shadow-color: rgba(0, 0, 0, 0.5);
        --header-offset: 120px; 
    }

    .blog-list {
        background-color: var(--primary-bg);
        color: var(--text-color);
        min-height: 100vh;
        padding-top: var(--header-offset); 
        padding-bottom: 40px; 
    }

    .blog-list__hero-section {
        background-color: var(--secondary-bg);
        padding: 60px 20px;
        text-align: center;
        margin-bottom: 40px;
        border-bottom: 2px solid var(--border-color);
    }

    .blog-list__hero-title {
        font-size: 2.5em;
        color: var(--accent-color);
        margin-bottom: 15px;
        font-weight: bold;
        line-height: 1.2;
    }

    .blog-list__hero-description {
        font-size: 1.1em;
        color: var(--summary-color);
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.6;
    }

    .blog-list__timeline-section {
        padding: 0 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .blog-list__timeline-container {
        position: relative;
        padding: 20px 0;
    }

    .blog-list__timeline-container::before {
        content: '';
        position: absolute;
        width: 4px;
        background-color: var(--border-color);
        top: 0;
        bottom: 0;
        left: 50%;
        margin-left: -2px;
        display: none; 
    }

    .blog-list__timeline-item {
        position: relative;
        margin-bottom: 40px;
        display: flex;
        justify-content: center;
        align-items: flex-start; 
    }

    .blog-list__timeline-dot {
        position: absolute;
        width: 18px;
        height: 18px;
        background-color: var(--accent-color);
        border: 3px solid var(--primary-bg);
        border-radius: 50%;
        top: 0; 
        left: 50%;
        margin-left: -11px;
        z-index: 1;
        display: none; 
    }

    .blog-list__card {
        background-color: var(--card-bg);
        border-radius: 10px;
        box-shadow: 0 4px 15px var(--shadow-color);
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        width: 100%; 
        max-width: 450px; 
    }

    .blog-list__card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px var(--shadow-color);
    }

    .blog-list__card-link {
        display: block;
        width: 100%;
        height: 0;
        padding-bottom: 56.25%; 
        position: relative;
        overflow: hidden;
    }

    .blog-list__card-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    .blog-list__card:hover .blog-list__card-image {
        transform: scale(1.05);
    }

    .blog-list__card-content {
        padding: 20px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }

    .blog-list__card-date {
        font-size: 0.85em;
        color: var(--date-color);
        margin-bottom: 10px;
        display: block;
    }

    .blog-list__card-title {
        font-size: 1.25em; 
        font-weight: bold;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .blog-list__card-title-link {
        color: var(--text-color);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .blog-list__card-title-link:hover {
        color: var(--accent-color);
    }

    .blog-list__card-summary {
        font-size: 0.95em; 
        color: var(--summary-color);
        line-height: 1.6;
        margin-bottom: 15px;
        display: -webkit-box;
        -webkit-line-clamp: 3; 
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-grow: 1;
    }

    .blog-list__card-read-more {
        display: inline-block;
        background-color: var(--accent-color);
        color: var(--primary-bg); 
        padding: 10px 18px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        font-size: 0.9em;
        transition: background-color 0.3s ease, color 0.3s ease;
        align-self: flex-start;
    }

    .blog-list__card-read-more:hover {
        background-color: var(--link-hover-color);
        color: var(--primary-bg);
    }

    

    
    @media (min-width: 768px) {
        .blog-list__timeline-container::before,
        .blog-list__timeline-dot {
            display: block; 
        }

        .blog-list__timeline-item {
            justify-content: space-between;
            margin-left: auto;
            margin-right: auto;
            max-width: 900px; 
        }

        .blog-list__card {
            width: calc(50% - 40px); 
            max-width: none; 
        }

        .blog-list__timeline-item:nth-child(odd) {
            flex-direction: row-reverse; 
        }

        .blog-list__timeline-item:nth-child(odd) .blog-list__card {
            margin-right: calc(50% + 20px); 
        }

        .blog-list__timeline-item:nth-child(even) .blog-list__card {
            margin-left: calc(50% + 20px); 
        }
    }

    
    @media (min-width: 1024px) {
        .blog-list__hero-title {
            font-size: 3em;
        }

        .blog-list__timeline-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr); 
            gap: 30px; 
            padding: 20px;
            position: static; 
        }

        .blog-list__timeline-container::before,
        .blog-list__timeline-dot {
            display: none; 
        }

        .blog-list__timeline-item {
            margin-bottom: 0; 
            display: block; 
        }

        .blog-list__card {
            width: 100%; 
            margin: 0; 
            max-width: none;
        }

        .blog-list__card-title {
            font-size: 1.35em; 
        }

        .blog-list__card-summary {
            font-size: 1em; 
        }
    }