/* --- CSS Variables & Reset --- */
        :root {
            --primary-dark: #0f172a; /* 深夜蓝 */
            --accent-gold: #c5a059;   /* 香槟金 */
            --text-grey: #475569;     /* 高级灰 */
            --bg-light: #f8fafc;      /* 极浅灰 */
            --white: #ffffff;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            color: var(--text-grey);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            line-height: 1.7;
            font-size: 16px;
        }

        h1, h2, h3 {
            font-family: 'Cormorant Garamond', serif;
            color: var(--primary-dark);
            margin-top: 0;
        }

        a { text-decoration: none; transition: all 0.3s ease; }

        /* --- Layout Containers --- */
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .blog-wrapper {
            background: var(--white);
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
            margin: -60px auto 60px;
            border-radius: 8px;
            position: relative;
            overflow: hidden;
        }

        /* --- Header Section --- */
        header.blog-header {
            background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
            padding: 100px 20px 120px;
            text-align: center;
            color: var(--white);
        }

        header.blog-header h1 {
            color: var(--white);
            font-size: 3rem;
            max-width: 900px;
            margin: 0 auto 20px;
            line-height: 1.2;
        }

        header.blog-header .subtitle {
            font-family: 'Montserrat', sans-serif;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.9rem;
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* --- Content Styling --- */
        .content-body {
            padding: 60px 80px;
        }

        .intro-text {
            font-size: 1.25rem;
            color: var(--primary-dark);
            font-weight: 500;
            border-left: 4px solid var(--accent-gold);
            padding-left: 24px;
            margin-bottom: 40px;
        }

        h2 {
            font-size: 2.2rem;
            margin-top: 50px;
            margin-bottom: 25px;
            position: relative;
            display: inline-block;
        }

        h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 2px;
            background: var(--accent-gold);
            margin-top: 10px;
        }

        /* --- Comparison Table/Cards --- */
        .comparison-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }

        .card {
            padding: 30px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }

        .card.old-tech {
            background-color: #f1f5f9;
        }

        .card.new-tech {
            background-color: #fffbf0; /* 淡金色背景 */
            border: 2px solid var(--accent-gold);
            position: relative;
        }

        .card.new-tech::before {
            content: 'RECOMMANDÉ';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent-gold);
            color: white;
            padding: 4px 12px;
            font-size: 0.7rem;
            font-weight: bold;
            border-radius: 20px;
        }

        .card h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            margin-bottom: 12px;
            padding-left: 25px;
            position: relative;
        }

        .feature-list li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--accent-gold);
            font-weight: bold;
        }

        .cross::before { content: '×'; color: #ef4444; font-size: 1.2rem; left: -2px; }
        .check::before { content: '✓'; color: #22c55e; font-size: 1.2rem; left: -2px; }

        /* --- ROI Highlight Box --- */
        .roi-box {
            background: var(--primary-dark);
            color: var(--white);
            padding: 40px;
            border-radius: 8px;
            margin: 50px 0;
            text-align: center;
        }

        .roi-box h3 { color: var(--accent-gold); font-size: 1.8rem; margin-bottom: 15px; }
        .roi-box p { color: #cbd5e1; font-size: 1.1rem; }

        /* --- Button --- */
        .cta-button {
            display: inline-block;
            background-color: var(--accent-gold);
            color: var(--white);
            font-weight: 700;
            padding: 18px 40px;
            border-radius: 50px;
            margin-top: 30px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.4);
        }

        .cta-button:hover {
            background-color: #b08d45;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.5);
        }

        /* --- Mobile Responsiveness --- */
        @media (max-width: 768px) {
            header.blog-header h1 { font-size: 2rem; }
            .content-body { padding: 40px 20px; }
            .comparison-section { grid-template-columns: 1fr; }
            .intro-text { font-size: 1.1rem; }
        }