:root {
            --mb-primary: #3b82f6;
            --mb-primary-dark: #2563eb;
            --mb-secondary: #8b5cf6;
            --mb-bg-body: #f8fafc;
            --mb-card-bg: #ffffff;
            --mb-text-primary: #0f172a;
            --mb-text-secondary: #475569;
            --mb-text-muted: #5b6e8c;
            --mb-border-light: #eef2ff;
            --mb-border-med: #cbd5e1;
            --mb-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.05);
            --mb-shadow-md: 0 20px 30px -12px rgba(0, 0, 0, 0.12);
            --mb-header-bg: #ffffff;
            --mb-footer-bg: #0f172a;
            --mb-hero-gradient-start: #ffffff;
            --mb-hero-gradient-end: #f1f5f9;
            --mb-radius-card: 24px;
            --mb-radius-badge: 40px;
            --mb-transition: 0.35s cubic-bezier(0.2, 0, 0, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--mb-bg-body);
            color: var(--mb-text-primary);
            line-height: 1.5;
            scroll-behavior: smooth;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background-color: var(--mb-header-bg);
            box-shadow: var(--mb-shadow-sm);
            position: sticky;
            top: 0;
            z-index: 50;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 18px 0;
            gap: 16px;
        }
        .logo a {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            text-decoration: none;
            background: linear-gradient(135deg, var(--mb-primary), var(--mb-secondary));
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            transition: opacity 0.2s;
        }
        .logo a:hover { opacity: 0.85; }
        .main-nav ul {
            display: flex;
            gap: 32px;
            list-style: none;
        }
        .main-nav a {
            text-decoration: none;
            font-weight: 500;
            color: var(--mb-text-secondary);
            transition: color 0.2s, border-bottom 0.2s;
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--mb-primary);
            border-bottom-color: var(--mb-primary);
        }
        @media (max-width: 640px) {
            .header-inner { flex-direction: column; text-align: center; }
            .main-nav ul { gap: 24px; justify-content: center; flex-wrap: wrap; }
        }
        .hero-section {
            background: linear-gradient(145deg, var(--mb-hero-gradient-start) 0%, var(--mb-hero-gradient-end) 100%);
            border-bottom: 1px solid var(--mb-border-light);
            padding: 48px 0 40px;
            margin-bottom: 32px;
        }
        .hero-content {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(to right, #1e293b, var(--mb-primary));
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 16px;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: var(--mb-text-secondary);
            margin-bottom: 8px;
        }
        .hero-badge {
            display: inline-block;
            background-color: #eef2ff;
            color: #1e40af;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: var(--mb-radius-badge);
            margin-top: 20px;
        }
        .posts-section {
            padding: 20px 0 64px;
        }
        .section-title {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 32px;
            border-left: 5px solid var(--mb-primary);
            padding-left: 20px;
        }
        .section-title h2 {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--mb-text-primary);
        }
        .section-title .post-count {
            font-size: 0.9rem;
            color: var(--mb-text-muted);
            background: #eef2ff;
            padding: 4px 12px;
            border-radius: 30px;
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 32px;
        }
        @media (min-width: 640px) {
            .articles-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (min-width: 1024px) {
            .articles-grid { grid-template-columns: repeat(3, 1fr); }
        }
        .article-card {
            background: var(--mb-card-bg);
            border-radius: var(--mb-radius-card);
            overflow: hidden;
            box-shadow: var(--mb-shadow-sm);
            transition: all var(--mb-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--mb-border-light);
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--mb-shadow-md);
            border-color: var(--mb-border-med);
        }
        .card-img {
            position: relative;
            overflow: hidden;
            background-color: #e2e8f0;
            height: 200px;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .card-img img {
            transform: scale(1.05);
        }
        .category-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            color: white;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 30px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .card-content {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-title {
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .post-title a {
            text-decoration: none;
            color: var(--mb-text-primary);
            transition: color 0.2s;
        }
        .post-title a:hover {
            color: var(--mb-primary);
        }
        .post-excerpt {
            color: var(--mb-text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            border-top: 1px solid var(--mb-border-light);
            padding-top: 16px;
            font-size: 0.8rem;
            color: var(--mb-text-muted);
        }
        .author-info {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .author-info i {
            font-size: 0.9rem;
            width: 24px;
            color: #6c86a3;
        }
        .date-info {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .read-more {
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .read-more a {
            text-decoration: none;
            color: var(--mb-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s;
        }
        .read-more a:hover {
            gap: 10px;
            color: var(--mb-primary-dark);
        }
        .site-footer {
            background: var(--mb-footer-bg);
            color: #cbd5e1;
            padding: 48px 0 32px;
            margin-top: 40px;
            border-top: 1px solid #1e293b;
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 20px;
        }
        .footer-links {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.2s;
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .social-icons {
            display: flex;
            gap: 24px;
        }
        .social-icons a {
            color: #94a3b8;
            font-size: 1.3rem;
            transition: transform 0.2s, color 0.2s;
        }
        .social-icons a:hover {
            color: white;
            transform: translateY(-3px);
        }
        .copyright {
            font-size: 0.8rem;
            color: #64748b;
            margin-top: 8px;
        }