.blog-hero {
    align-items: center;
    background: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), url('/images/hitachi.jpg');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    color: var(--accent-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 40px;
    min-height: 380px;
    padding: 70px 20px;
    text-align: center;
}

.blog-hero h2,
.blog-hero p {
    color: var(--accent-color);
}

.blog-hero h2 {
    font-size: 34px;
    margin-bottom: 12px;
}

.blog-hero p {
    max-width: 760px;
    margin: 0 auto;
    opacity: 0.9;
}

.blog-section {
    padding-top: 36px;
    padding-bottom: 44px;
}

.blog-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.blog-card {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    transition-delay: calc(var(--card-index, 0) * 0.04s);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.blog-card-image {
    display: block;
    height: 215px;
    overflow: hidden;
    background: #eef2f6;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

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

.blog-card-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-title {
    color: var(--primary-color);
    font-size: 18px;
    line-height: 1.35;
    margin: 0 0 10px;
    min-height: 48px;
}

.blog-card-title:hover {
    color: var(--secondary-color);
}

.blog-card-excerpt {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.blog-empty {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    color: var(--text-light);
    padding: 42px 24px;
    text-align: center;
}

.blog-empty i {
    color: var(--primary-color);
    display: block;
    font-size: 42px;
    margin-bottom: 14px;
}

.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    min-width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-radius: 4px;
    background: var(--bg-white);
    color: var(--primary-color);
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}

.pagination a:hover {
    background: var(--primary-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.pagination .current {
    background: var(--primary-color);
    color: var(--accent-color);
}

.blog-article-wrap {
    padding-top: 34px;
    padding-bottom: 52px;
}

.blog-article {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
}

.blog-article img {
    border-radius: 8px;
    display: block;
    margin: 0 auto 22px;
    max-height: 480px;
    object-fit: contain;
}

.blog-article h1 {
    font-size: 32px;
    line-height: 1.25;
    margin-bottom: 18px;
}

.blog-article h2,
.blog-article h3 {
    margin-top: 26px;
}

.blog-article ul,
.blog-article ol {
    margin: 0 0 18px 24px;
}

.blog-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .main-nav {
        min-height: 48px;
        overflow: visible;
        position: relative;
        z-index: 1000;
    }

    .main-nav .nav-container {
        justify-content: flex-start;
        min-height: 48px;
        padding: 0 15px;
        position: relative;
    }

    .main-nav .burger-menu {
        display: flex !important;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1002;
    }

    .main-nav .nav-list {
        background-color: var(--secondary-color);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
        display: none !important;
        flex-direction: column;
        left: 0;
        position: absolute;
        top: 100%;
        width: 100%;
        z-index: 1001;
    }

    .main-nav .nav-list.open {
        display: flex !important;
    }

    .main-nav .nav-list a {
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        padding: 14px 16px;
        text-align: left;
    }
}

@media (max-width: 900px) {
    .blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .blog-hero {
        background-attachment: scroll;
        min-height: 300px;
        padding: 50px 15px;
    }

    .blog-hero h2 {
        font-size: 26px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-article {
        padding: 20px;
    }

    .blog-article h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        min-height: 260px;
        padding: 40px 12px;
    }
}