.article-hero {
    background: var(--theme-bg, linear-gradient(135deg, #1e5ab5 0%, #2575fc 50%, #4a90d9 100%));
    padding: 60px 0 50px;
    color: #fff;
}
.breadcrumb-nav { margin-bottom: 18px; font-size: 13px; }
.breadcrumb-nav a { color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.3s; }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav .sep { margin: 0 8px; opacity: 0.5; }
.breadcrumb-nav .current { opacity: 0.8; }
.cat-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 16px;
    color: #fff;
    text-decoration: none;
}
.cat-badge:hover { background: rgba(255,255,255,0.3); }
.article-hero h1 { font-size: 30px; font-weight: 700; line-height: 1.4; margin-bottom: 15px; }
.article-meta { display: flex; gap: 20px; font-size: 13px; opacity: 0.85; }

.article-section { padding: 50px 0; }
.article-main { max-width: 860px; margin: 0 auto; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.featured-image img { width: 100%; max-height: 420px; object-fit: cover; display: block; }
.article-body { padding: 35px 40px; font-size: 15px; line-height: 1.85; color: #444; }
.article-body h2 { font-size: 22px; font-weight: 600; color: #333; margin: 30px 0 15px; }
.article-body h3 { font-size: 18px; font-weight: 600; color: #333; margin: 25px 0 12px; }
.article-body p { margin-bottom: 16px; }
.article-body img { max-width: 100%; border-radius: 8px; margin: 20px 0; }
.article-body ul, .article-body ol { padding-left: 20px; margin-bottom: 16px; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
    border-left: 4px solid var(--theme-color, #2575fc);
    background: #f9fafb;
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    color: #666;
}
.article-body a { color: var(--theme-color, #2575fc); text-decoration: underline; }
.article-footer {
    padding: 20px 40px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f0f0f0;
    flex-wrap: wrap;
    gap: 12px;
}
.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tags a {
    background: #f5f5f5;
    color: #888;
    padding: 4px 14px;
    border-radius: 16px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}
.tags a:hover { background: var(--theme-color, #2575fc); color: #fff; }
.back-link { color: var(--theme-color, #2575fc); text-decoration: none; font-size: 14px; font-weight: 500; }
.back-link:hover { text-decoration: underline; }

.rec-section { padding: 0 0 60px; }
.rec-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 25px; }
.rec-header h2 { font-size: 20px; font-weight: 600; color: #333; }
.rec-link { color: var(--theme-color, #2575fc); text-decoration: none; font-size: 14px; font-weight: 500; }
.rec-link:hover { text-decoration: underline; }
.rec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.rec-card { background: #fff; border-radius: 10px; padding: 20px; display: flex; align-items: center; gap: 18px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); text-decoration: none; transition: transform 0.3s, box-shadow 0.3s; }
.rec-card:hover { transform: translateX(5px); box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.rec-num { width: 40px; height: 40px; border-radius: 50%; background: var(--theme-color, #2575fc); color: #fff; font-size: 15px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rec-info { flex: 1; }
.rec-title { font-size: 14px; font-weight: 500; color: #333; margin-bottom: 4px; line-height: 1.4; }
.rec-date { font-size: 12px; color: #bbb; }

.error-section { text-align: center; padding: 100px 20px; }
.err-icon { font-size: 70px; margin-bottom: 20px; opacity: 0.3; }
.error-section h1 { font-size: 28px; margin-bottom: 12px; color: #333; }
.error-section p { font-size: 15px; color: #888; margin-bottom: 25px; }
.btn-back { display: inline-block; background: linear-gradient(135deg, #6a11cb, #2575fc); color: #fff; padding: 12px 30px; border-radius: 25px; text-decoration: none; font-weight: 600; transition: transform 0.3s; }
.btn-back:hover { transform: translateY(-2px); }

@media (max-width: 768px) {
    .article-hero { padding: 40px 0 30px; }
    .article-hero h1 { font-size: 22px; }
    .article-body { padding: 25px 20px; }
    .article-footer { padding: 20px; }
    .rec-grid { grid-template-columns: 1fr; }
    .article-meta { flex-wrap: wrap; gap: 10px; }
}