:root {
            --primary: rgb(108, 92, 231);
            --primary-light: #a29bfe;
            --primary-dark: #5b4bc4;
            --success: #00b894;
            --danger: #ff7675;
            --dark: #2d3436;
            --light: #f9f9fb;
            --border: #e1e2e6;
            --text: #636e72;
            --shadow: 0 10px 30px rgba(108, 92, 231, 0.08);
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--dark); background-color: #fff; line-height: 1.6; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        ul { list-style: none; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
        .header-wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 18px; font-weight: 800; line-height: 1; color: #111; white-space: nowrap; }
        .nav-list { display: flex; align-items: center; gap: 30px; }
        .nav-list a { font-size: 15px; font-weight: 500; color: var(--dark); }
        .nav-list a:hover { color: var(--primary); }
        .header-btns { display: flex; align-items: center; gap: 15px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 22px; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; }
        .btn-outline { border: 1px solid var(--primary); color: var(--primary); background: transparent; }
        .btn-outline:hover { background: rgba(108, 92, 231, 0.05); }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 15px rgba(108, 92, 231, 0.2); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .menu-btn { display: none; background: none; border: none; font-size: 24px; color: var(--dark); cursor: pointer; }

        
        .mobile-drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; pointer-events: none; transition: var(--transition); }
        .mobile-drawer-overlay.active { opacity: 1; pointer-events: auto; }
        .mobile-drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: #fff; z-index: 999; box-shadow: 2px 0 20px rgba(0,0,0,0.1); transition: var(--transition); display: flex; flex-direction: column; }
        .mobile-drawer.active { left: 0; }
        .drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 20px; border-bottom: 1px solid var(--border); }
        .drawer-close { background: none; border: none; font-size: 28px; color: var(--text); cursor: pointer; }
        .drawer-content { flex: 1; overflow-y: auto; padding: 20px; }
        .drawer-nav { display: flex; flex-direction: column; gap: 15px; margin-bottom: 30px; }
        .drawer-nav a { font-size: 16px; font-weight: 600; color: var(--dark); padding: 10px 0; border-bottom: 1px solid rgba(0,0,0,0.03); }
        .drawer-nav a:hover { color: var(--primary); }
        .drawer-btns { display: flex; flex-direction: column; gap: 12px; }

        
        .breadcrumb-sec { background: var(--light); border-bottom: 1px solid var(--border); padding: 15px 0; font-size: 14px; }
        .breadcrumb-sec .container { display: flex; gap: 8px; align-items: center; color: var(--text); }
        .breadcrumb-sec a:hover { color: var(--primary); text-decoration: underline; }

        
        .article-layout { display: grid; grid-template-columns: 8fr 4fr; gap: 40px; margin-top: 40px; margin-bottom: 60px; }
        
        
        .post-container { background: #fff; border-radius: 12px; border: 1px solid var(--border); padding: 40px; }
        .post-header { border-bottom: 1px solid var(--border); padding-bottom: 25px; margin-bottom: 30px; }
        .post-title { font-size: 30px; font-weight: 800; color: #1e1e24; line-height: 1.35; margin-bottom: 20px; }
        .post-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; color: var(--text); }
        .post-meta span { display: flex; align-items: center; gap: 6px; }

        .post-summary { background: var(--light); border-left: 4px solid var(--primary); padding: 20px; border-radius: 0 8px 8px 0; font-size: 15px; color: var(--text); margin-bottom: 35px; line-height: 1.6; }
        .post-body { font-size: 16px; line-height: 1.8; color: #2d3748; }
        .post-body p { margin-bottom: 20px; }
        .post-body h3 { font-size: 20px; font-weight: 700; color: #1e1e24; margin-top: 35px; margin-bottom: 15px; }
        .post-body img { width: 100%; border-radius: 8px; margin: 25px 0; box-shadow: var(--shadow); }

        
        .post-nav { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 25px 0; margin-top: 45px; }
        .post-nav-item { width: 50%; }
        .post-nav-label { font-size: 12px; color: var(--text); text-transform: uppercase; margin-bottom: 6px; }
        .post-nav-title { font-size: 14px; font-weight: 700; color: #1e1e24; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        .post-nav-title:hover { color: var(--primary); }

        
        .related-sec { margin-top: 50px; }
        .related-title { font-size: 18px; font-weight: 700; color: #1e1e24; margin-bottom: 20px; }
        .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .related-card { display: flex; gap: 15px; align-items: center; border: 1px solid var(--border); padding: 15px; border-radius: 8px; }
        .related-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow); }
        .related-img { width: 80px; height: 60px; border-radius: 4px; overflow: hidden; background-color: #f0f0f5; flex-shrink: 0; }
        .related-img img { width: 100%; height: 100%; object-fit: cover; }
        .related-text { font-size: 14px; font-weight: 600; line-height: 1.4; color: var(--dark); }
        .related-text:hover { color: var(--primary); }

        
        .sidebar { display: flex; flex-direction: column; gap: 35px; }
        .widget { background: #fff; border-radius: 10px; border: 1px solid var(--border); padding: 25px; }
        .widget-title { font-size: 16px; font-weight: 700; color: #1e1e24; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); position: relative; }
        
        .hot-list { display: flex; flex-direction: column; gap: 15px; }
        .hot-item { display: flex; gap: 12px; align-items: center; }
        .hot-num { width: 24px; height: 24px; border-radius: 4px; background: var(--light); color: var(--text); font-size: 12px; font-weight: bold; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .hot-item:nth-child(1) .hot-num { background: var(--primary); color: #fff; }
        .hot-item:nth-child(2) .hot-num { background: var(--primary-light); color: #fff; }
        .hot-item:nth-child(3) .hot-num { background: rgba(108, 92, 231, 0.2); color: var(--primary); }
        .hot-text { font-size: 14px; font-weight: 600; line-height: 1.4; color: var(--dark); }
        .hot-text:hover { color: var(--primary); }

        
        footer { background: #111116; color: #9e9eab; padding: 70px 0 30px; border-top: 5px solid var(--primary); }
        .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 50px; }
        .footer-brand .logo span { color: #fff; }
        .footer-brand p { font-size: 13px; line-height: 1.7; margin-top: 15px; margin-bottom: 20px; }
        .footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { font-size: 14px; }
        .footer-links a:hover { color: #fff; padding-left: 4px; }
        .footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 12px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 30px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 15px; font-size: 12px; }
        .footer-policy { display: flex; gap: 20px; }

        @media (max-width: 991px) {
            .article-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-list, .header-btns .btn-outline { display: none; }
            .menu-btn { display: block; }
            .post-container { padding: 25px 20px; }
            .post-title { font-size: 24px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }