:root {
        --primary-color: #FFD700; 
        --secondary-color: #CC0000; 
        --background-dark: #1a1a1a;
        --text-light: #ffffff;
        --text-muted: #cccccc;
        --card-bg: #2a2a2a;
        --border-color: #3a3a3a;
        --shadow-light: rgba(0, 0, 0, 0.2);
        --shadow-hover: rgba(0, 0, 0, 0.4);
        --timeline-line-color: var(--border-color);
        --timeline-marker-color: var(--primary-color);
    }

    .blog-list {
        background-color: var(--background-dark);
        color: var(--text-light);
        padding-top: var(--header-offset, 120px); 
        padding-bottom: 40px;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }

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

    .blog-list__title {
        text-align: center;
        color: var(--primary-color);
        font-size: 2.5em;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
    }

    .blog-list__title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 80px;
        height: 3px;
        background-color: var(--secondary-color);
        border-radius: 2px;
    }

    .blog-list__description {
        text-align: center;
        color: var(--text-muted);
        font-size: 1.1em;
        margin-bottom: 40px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.6;
    }

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

    .blog-list__timeline::before {
        content: '';
        position: absolute;
        top: 0;
        left: 20px; 
        width: 4px;
        background: var(--timeline-line-color);
        height: 100%;
        border-radius: 2px;
    }

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

    .blog-list__timeline-marker {
        width: 20px;
        height: 20px;
        background: var(--timeline-marker-color);
        border: 3px solid var(--card-bg);
        border-radius: 50%;
        position: absolute;
        top: 0;
        left: 11px; 
        z-index: 1;
        box-shadow: 0 0 0 3px var(--background-dark);
    }

    .blog-list__timeline-date {
        position: absolute;
        left: 50px; 
        top: 0px;
        font-size: 0.9em; 
        color: var(--text-muted);
        white-space: nowrap;
        opacity: 0.8;
    }

    .blog-list__timeline-content {
        background-color: var(--card-bg);
        border-radius: 12px;
        box-shadow: 0 4px 15px var(--shadow-light);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        padding: 20px;
        margin-left: 60px; 
        width: calc(100% - 60px);
        box-sizing: border-box;
    }

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

    .blog-list__cover-image {
        width: 100%;
        height: 200px; 
        object-fit: cover;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .blog-list__heading {
        margin-top: 0;
        margin-bottom: 10px;
    }

    .blog-list__title-link {
        font-size: 1.25em; 
        font-weight: bold;
        color: var(--primary-color);
        text-decoration: none;
        display: block;
        line-height: 1.4;
        transition: color 0.3s ease;
    }

    .blog-list__title-link:hover {
        color: var(--secondary-color);
    }

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

    .blog-list__read-more {
        display: inline-block;
        background-color: var(--secondary-color);
        color: var(--text-light);
        padding: 10px 20px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.3s ease;
        font-size: 0.9em; 
    }

    .blog-list__read-more:hover {
        background-color: var(--primary-color);
        transform: translateY(-2px);
    }

    @media (min-width: 768px) {
        .blog-list__timeline::before {
            left: 50%;
            transform: translateX(-50%);
        }

        .blog-list__timeline-marker {
            left: 50%;
            transform: translateX(-50%);
        }

        .blog-list__timeline-item {
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-start;
            padding: 0 20px; 
        }

        .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
            margin-left: 0;
            margin-right: calc(50% + 40px); 
            width: calc(50% - 60px);
        }

        .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
            margin-left: calc(50% + 40px); 
            margin-right: 0;
            width: calc(50% - 60px);
        }
        
        .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
            left: auto;
            right: calc(50% + 40px); 
            text-align: right;
        }

        .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
            left: calc(50% + 40px); 
            text-align: left;
        }

        .blog-list__cover-image {
            height: 250px; 
        }

        .blog-list__title-link {
            font-size: 1.35em; 
        }

        .blog-list__summary {
            font-size: 1em; 
        }
    }

    @media (min-width: 1024px) {
        .blog-list__container {
            padding: 20px 0;
        }

        .blog-list__timeline {
            width: 100%;
        }

        .blog-list__timeline-item {
            margin-bottom: 60px;
        }

        .blog-list__cover-image {
            height: 280px; 
        }

        .blog-list__title-link {
            font-size: 1.45em; 
        }
    }