/* ========== Blog Page Styles ========== */

/* Hero Section */
.blog-hero {
    height: 60vh;
    min-height: 400px;
}

.blog-hero .page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.blog-hero .page-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-hero .page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
}

.blog-hero .page-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--spacing-sm);
    font-weight: 300;
    letter-spacing: 2px;
}

/* Category Tabs */
.blog-categories {
    padding: var(--spacing-md) 0;
    background: var(--color-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    flex-wrap: wrap;
}

.category-tab {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: transparent;
    border: 1px solid var(--color-silver);
    color: var(--color-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.category-tab:hover {
    border-color: var(--color-green);
    color: var(--color-green);
}

.category-tab.active {
    background: var(--color-green);
    border-color: var(--color-green);
    color: var(--color-white);
}

/* Featured Articles */
.featured-articles {
    padding: var(--spacing-xl) 0;
    background: var(--color-off-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.featured-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-md);
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.featured-main {
    background: var(--color-white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.featured-main:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.featured-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

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

.featured-main:hover .featured-image img {
    transform: scale(1.05);
}

.category-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--color-green);
    color: var(--color-white);
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 2px;
    z-index: 10;
}

.featured-content {
    padding: var(--spacing-lg);
}

.featured-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 13px;
    color: var(--color-gray);
}

.featured-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.featured-excerpt {
    font-size: 15px;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.featured-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.author {
    font-size: 14px;
    color: var(--color-gray);
}

.read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Featured Side */
.featured-side {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 新版：背景圖片 + 文字覆蓋 */
.featured-sub-bg {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 1;
    height: 180px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    text-decoration: none;
    cursor: pointer;
    position: relative;
}

.featured-sub-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.3) 100%);
    transition: background 0.3s ease;
}

.featured-sub-bg:hover::before {
    background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.4) 100%);
}

.featured-sub-bg:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.featured-sub-1 {
    background-image: url('../images/blog02.jpg');
}

.featured-sub-2 {
    background-image: url('../images/blog01.jpg');
}

.featured-bg-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-white);
}
.featured-bg-content .category-tag {
    position: static;
	  top: 16px;
    left: 16px;
    display: inline-block;
    margin-bottom: 12px;
}

.featured-bg-content .featured-subtitle {
    font-size: 17px;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--color-white);
}

.featured-bg-content .featured-sub-date {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}


/* Article Grid */
.article-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.article-card {
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.article-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-green);
}

.article-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.article-content {
    padding: var(--spacing-md);
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 12px;
    color: var(--color-gray);
}

.article-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.article-excerpt {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-link:hover {
    color: var(--color-green-dark);
}

/* Articles List */
.articles-list-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-off-white);
}

.articles-list {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.list-item:hover {
    background: var(--color-white);
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    margin: 0 calc(-1 * var(--spacing-md));
}

.list-content {
    flex: 1;
}

.list-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.category-badge {
    background: var(--color-gold);
    color: var(--color-white);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
}

.list-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.list-excerpt {
    font-size: 14px;
    color: var(--color-gray);
}

.list-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-green);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

/* Newsletter */
.newsletter-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-green);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--spacing-md);
}

.newsletter-content .section-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.newsletter-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 14px 18px;
    font-size: 15px;
    border: none;
    border-radius: 4px;
    background: var(--color-white);
    color: var(--color-charcoal);
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 1200px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-side {
        flex-direction: row;
    }
    
    .featured-sub-bg {
        min-height: 160px;
    }
    
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-hero {
        height: 50vh;
        min-height: 350px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .category-tabs {
        gap: 8px;
    }
    
    .category-tab {
        padding: 10px 16px;
        font-size: 12px;
    }
    
    /* Featured Articles 手機端優化 */
    .featured-grid {
        gap: var(--spacing-sm);
    }
    
    .featured-main {
        border-radius: 6px;
    }
    
    .featured-image {
        height: 220px;
    }
    
    .featured-title {
        font-size: 20px;
    }
    
    .featured-content {
        padding: var(--spacing-md);
    }
    
    .featured-excerpt {
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        font-size: 14px;
    }
    
    .featured-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .featured-side {
        flex-direction: column !important;
        gap: var(--spacing-sm);
    }
    
    .featured-sub-bg {
        min-height: 160px;
        border-radius: 6px;
    }
    
    .featured-bg-content .featured-subtitle {
        font-size: 15px;
    }
    
    .featured-bg-content {
        padding: 16px;
    }
    
    /* 舊版（已註釋）
    .featured-sub {
        flex-direction: column;
    }
    
    .featured-sub .featured-image {
        width: 100%;
        height: 200px;
    }
    */
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .list-link {
        margin-left: 0;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form .btn {
        width: 100%;
    }
}