* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #ffd700;
            --dark-bg: #0f172a;
            --darker-bg: #020617;
            --card-bg: #1e293b;
            --card-bg-soft: #182437;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --muted: #94a3b8;
            --border-color: #334155;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        header {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 1rem;
            text-align: center;
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        header h1 {
            font-size: clamp(1.5rem, 5vw, 2.5rem);
            margin-bottom: 0.5rem;
            background: linear-gradient(45deg, var(--primary-color), #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        header p {
            color: var(--text-secondary);
            font-size: clamp(0.9rem, 2vw, 1.1rem);
        }

        main {
            max-width: 1180px;
            margin: 0 auto;
            padding: 2rem 1rem 3rem;
        }

        .blog-hero {
            background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #0d1b2a 100%);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: 28px;
            padding: 2.4rem 1.5rem;
            margin-bottom: 1.75rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            overflow: hidden;
            position: relative;
        }

        .blog-hero::before,
        .blog-hero::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.05);
            filter: blur(10px);
        }

        .blog-hero::before {
            width: 180px;
            height: 180px;
            top: -30px;
            right: -30px;
        }

        .blog-hero::after {
            width: 120px;
            height: 120px;
            bottom: -20px;
            left: -20px;
        }

        .blog-hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 1.5rem;
            align-items: start;
        }

        .blog-hero h2 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            line-height: 1.15;
            margin-bottom: 1rem;
            color: #fff;
        }

        .blog-hero p {
            color: rgba(255,255,255,0.82);
            line-height: 1.85;
            max-width: 760px;
        }

        .hero-panel {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 18px;
            padding: 1.1rem;
        }

        .hero-panel h3 {
            color: var(--primary-color);
            font-size: 1rem;
            margin-bottom: 0.75rem;
        }

        .hero-panel ul {
            list-style: none;
        }

        .hero-panel li {
            color: var(--text-secondary);
            padding-left: 1rem;
            margin-bottom: 0.65rem;
            position: relative;
            line-height: 1.7;
        }

        .hero-panel li::before {
            content: "•";
            color: var(--primary-color);
            position: absolute;
            left: 0;
            top: 0;
            font-weight: 700;
        }

        .topic-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.75rem;
        }

        .topic-pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.8rem 1rem;
            border-radius: 999px;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.92rem;
            transition: all 0.28s ease;
        }

        .topic-pill:hover {
            border-color: rgba(255,215,0,0.28);
            background: rgba(255,215,0,0.08);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        .article-stack {
            display: grid;
            gap: 1rem;
        }

        .article-row {
            display: grid;
            grid-template-columns: 180px minmax(0, 1fr);
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 22px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
        }

        .article-row:hover {
            transform: translateY(-4px);
            border-color: rgba(255,215,0,0.22);
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
        }

        .article-side {
            background: linear-gradient(180deg, rgba(255,215,0,0.12) 0%, rgba(255,255,255,0.02) 100%);
            border-right: 1px solid var(--border-color);
            padding: 1.25rem 1rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 1rem;
        }

        .article-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }

        .article-label {
            font-size: 0.76rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--muted);
        }

        .article-body {
            padding: 1.4rem 1.4rem 1.25rem;
        }

        .article-body h3 {
            font-size: 1.35rem;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 0.7rem;
        }

        .article-body p {
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
        }

        .article-tag {
            color: var(--muted);
            font-size: 0.9rem;
        }

        .article-link {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 0.95rem;
            transition: transform 0.25s ease;
        }

        .article-row:hover .article-link {
            transform: translateX(3px);
        }

        .cta-strip {
            margin-top: 1.75rem;
            background: var(--card-bg-soft);
            border: 1px solid var(--border-color);
            border-radius: 22px;
            padding: 1.35rem 1.25rem;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 1rem;
            align-items: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
        }

        .cta-strip h3 {
            color: var(--primary-color);
            font-size: 1.15rem;
            margin-bottom: 0.35rem;
        }

        .cta-strip p {
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .cta-btn {
            padding: 0.85rem 1rem;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: rgba(255,255,255,0.03);
            color: var(--text-primary);
            font-weight: 600;
            transition: all 0.28s ease;
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: rgba(255,215,0,0.08);
            border-color: rgba(255,215,0,0.28);
            color: var(--primary-color);
        }

        .calculator-footer {
            background: transparent;
            padding: 10px 0 0;
            margin-top: 2rem;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-title {
            text-align: center;
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 30px;
            color: var(--primary-color);
            letter-spacing: 0.2px;
        }

        .calculator-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(280px, 1fr));
            gap: 24px;
            margin-bottom: 28px;
        }

        .calculator-section {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 22px;
            border: 1px solid var(--border-color);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .calculator-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
            border-color: rgba(255, 215, 0, 0.22);
        }

        .section-title-footer {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--primary-color);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .calculator-links {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        .calculator-link {
            color: var(--text-secondary);
            text-decoration: none;
            padding: 12px 14px;
            border-radius: 12px;
            font-size: 14px;
            line-height: 1.45;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-color);
            display: block;
        }

        .calculator-link:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--text-primary);
            border-color: rgba(255, 215, 0, 0.28);
            transform: translateX(4px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-secondary);
            opacity: 0.9;
        }

        @media (max-width: 900px) {
            .blog-hero-inner,
            .cta-strip,
            .calculator-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            main {
                padding: 1.5rem 1rem;
            }

            .blog-hero {
                padding: 1.75rem 1rem;
                border-radius: 1rem;
            }

            .article-row {
                grid-template-columns: 1fr;
            }

            .article-side {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                flex-direction: row;
                align-items: center;
            }

            .footer-title {
                font-size: 24px;
                margin-bottom: 22px;
            }

            .calculator-section {
                padding: 18px;
                border-radius: 16px;
            }

            .calculator-link {
                font-size: 13px;
                padding: 11px 12px;
            }
        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 1.3rem;
            }

            .blog-hero h2 {
                font-size: 1.55rem;
            }

            .article-body {
                padding: 1.1rem 1rem 1rem;
            }

            .article-body h3 {
                font-size: 1.14rem;
            }
        }