* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', sans-serif;
            background-color: #f5f7fc;
            color: #1e2a3e;
            line-height: 1.5;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .badge {
            background: #eef2ff;
            color: #1e3a8a;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 30px;
            display: inline-block;
        }
        .hero {
            background: #ffffff;
            padding: 60px 0 70px;
            border-bottom: 1px solid #eef2f6;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: #0f2b4d;
        }
        .hero .sub {
            font-size: 1.2rem;
            opacity: 0.8;
            max-width: 720px;
            margin-bottom: 2rem;
            color: #2c3e50;
        }
        .model-tag {
            background: #eef2ff;
            color: #1e3a8a;
            padding: 6px 14px;
            border-radius: 40px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
        }
        .card {
            background: white;
            border-radius: 28px;
            padding: 32px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02), 0 2px 6px rgba(0,0,0,0.05);
            border: 1px solid #eef2f6;
            margin-bottom: 48px;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            letter-spacing: -0.01em;
            border-left: 5px solid #2563eb;
            padding-left: 20px;
            color: #0f2b4d;
        }
        .grid-2col {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .grid-3col {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .feature-list {
            list-style: none;
        }
        .feature-list li {
            margin-bottom: 18px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .feature-list li strong {
            min-width: 120px;
            font-weight: 700;
            color: #0f2b4d;
        }
        .tech-specs {
            background: #f9fafc;
            border-radius: 24px;
            padding: 4px 0;
        }
        .spec-row {
            display: flex;
            border-bottom: 1px solid #e6edf4;
            padding: 14px 0;
        }
        .spec-label {
            width: 180px;
            font-weight: 600;
            color: #2c3e50;
        }
        .spec-value {
            flex: 1;
            color: #1f2a40;
        }
        table {
            width: 100%;
            border-collapse: collapse;
        }
        th, td {
            padding: 14px 12px;
            text-align: left;
            border-bottom: 1px solid #e9edf2;
        }
        th {
            background-color: #f1f5f9;
            font-weight: 600;
        }
        .case-compare {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .compare-card {
            flex: 1;
            background: #ffffff;
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            border: 1px solid #eef2f8;
        }
        .value-badge {
            font-weight: 700;
            color: #16a34a;
        }
        .protocol-badge {
            background: #e6f0ff;
            border-radius: 20px;
            padding: 16px;
            text-align: center;
            margin-top: 20px;
        }
        footer {
            background: #f8fafc;
            color: #334155;
            padding: 40px 0;
            margin-top: 60px;
            text-align: center;
            border-top: 1px solid #e2e8f0;
        }
        @media (max-width: 800px) {
            .grid-2col, .grid-3col {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .spec-label {
                width: 130px;
            }
        }