* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            color: #333333;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 5px;
            position: relative;
            overflow-x: hidden;
        }

        /* Subtle Pattern Background */
        .background-pattern-classic {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: #ffffff;
            background-image: 
                radial-gradient(#e0e0e0 1px, transparent 1px),
                radial-gradient(#e0e0e0 1px, transparent 1px);
            background-size: 40px 40px;
            background-position: 0 0, 20px 20px;
            opacity: 0.6;
            z-index: -1;
        }

        /* Main Container */
        .diagnosis-container-classic {
            width: 100%;
            max-width: 720px;
            margin: 0 auto;
            z-index: 10;
        }

        /* Card */
        .kartu-diagnosis-professional {
            background: #ffffff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 
                0 10px 30px rgba(0, 0, 0, 0.08),
                0 1px 3px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9ecef;
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .kartu-diagnosis-professional:hover {
            transform: translateY(-5px);
            box-shadow: 
                0 15px 40px rgba(0, 0, 0, 0.12),
                0 3px 10px rgba(0, 0, 0, 0.06);
        }

        /* Header */
        .kartu-header-section-classic {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 35px 30px;
            text-align: center;
            border-bottom: 3px solid #3498db;
            position: relative;
        }

        .judul-kartu-utama-classic {
            font-size: 32px;
            margin-bottom: 15px;
            color: #ffffff;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .subjudul-kartu-professional {
            font-size: 18px;
            opacity: 0.9;
            margin-bottom: 25px;
            color: #ecf0f1;
        }

        .ikon-kartu-analisis-classic {
            font-size: 56px;
            color: #3498db;
            margin-top: 20px;
        }

        /* Body */
        .isi-kartu-diagnosis-classic {
            padding: 35px 30px;
        }

        /* Features Grid */
        .grid-fitur-unggulan-classic {
            display: flex;
            flex-direction: column;
            gap: 25px;
            margin-bottom: 35px;
        }

        .item-fitur-analisis-classic {
            display: flex;
            align-items: center;
            gap: 22px;
            background: #f8f9fa;
            padding: 22px 25px;
            border-radius: 15px;
            border-left: 0px solid #3498db;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .item-fitur-analisis-classic:hover {
            background: #e9ecef;
            transform: translateX(5px);
            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.1);
        }

        .ikon-fitur-diagnosis-classic {
            width: 60px;
            height: 60px;
            background: #ffffff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #3498db;
            flex-shrink: 0;
            border: 2px solid #e9ecef;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .teks-fitur-penawaran-classic {
            font-size: 19px;
            font-weight: 600;
            color: #2c3e50;
            line-height: 1.4;
        }

        /* Separator */
        .pemisah-visual-kartu-classic {
            height: 1px;
            background: linear-gradient(90deg, transparent, #bdc3c7, transparent);
            margin: 35px 0;
            position: relative;
        }

        /* Action Box */
        .kotak-aksi-pengguna-classic {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 15px;
            padding: 28px;
            text-align: center;
            margin-bottom: 35px;
            position: relative;
            overflow: hidden;
        }

        .judul-aksi-diagnosis-classic {
            font-size: 24px;
            color: #2c3e50;
            margin-bottom: 12px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }

        .deskripsi-aksi-layanan-classic {
            font-size: 17px;
            opacity: 0.8;
            line-height: 1.6;
            color: #5d6d7e;
        }

        /* Contact Section */
        .bagian-kontak-ahli-classic {
            text-align: center;
            margin-top: 30px;
        }

        .tombol-kontak-professional {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
            color: #ffffff;
            border: none;
            border-radius: 50px;
            padding: 22px 45px;
            font-size: 20px;
            font-weight: 700;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
            margin-bottom: 25px;
            width: 100%;
            max-width: 420px;
            position: relative;
            overflow: hidden;
        }

        .tombol-kontak-professional:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(52, 152, 219, 0.4);
            background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
        }

        .catatan-kontak-layanan-classic {
            font-size: 15px;
            opacity: 0.8;
            color: #7f8c8d;
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.5;
        }

        /* Footer */
        .footer-kartu-diagnosis-classic {
            background: #f8f9fa;
            padding: 28px;
            text-align: center;
            border-top: 1px solid #e9ecef;
        }

        .tagline-footer-professional {
            font-size: 22px;
            color: #2c3e50;
            margin-bottom: 25px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .tautan-footer-navigasi-classic {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 25px;
        }

        .tautan-halaman-footer-classic {
            color: #5d6d7e;
            text-decoration: none;
            font-size: 16px;
            transition: all 0.3s ease;
            padding: 8px 15px;
            border-radius: 8px;
        }

        .tautan-halaman-footer-classic:hover {
            color: #3498db;
            background: rgba(52, 152, 219, 0.05);
        }

        .tautan-halaman-footer-classic.peringatan {
            color: #e74c3c;
        }

        .tautan-halaman-footer-classic.peringatan:hover {
            color: #e74c3c;
            background: rgba(231, 76, 60, 0.05);
        }

        /* Modals */
        .overlay-modal-konten-classic {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .konten-modal-interaktif-classic {
            background: #ffffff;
            width: 100%;
            max-width: 650px;
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid #e9ecef;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            animation: muncul-modal-classic 0.3s ease;
            max-height: 90vh;
            overflow-y: auto;
        }

        @keyframes muncul-modal-classic {
            from { 
                opacity: 0; 
                transform: scale(0.9); 
            }
            to { 
                opacity: 1; 
                transform: scale(1); 
            }
        }

        .header-modal-informasi-classic {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 28px;
            font-size: 28px;
            color: #ffffff;
            text-align: center;
            border-bottom: 2px solid #3498db;
            position: relative;
        }

        .body-modal-konten-classic {
            padding: 32px;
            line-height: 1.7;
            font-size: 17px;
        }

        .body-modal-konten-classic p {
            margin-bottom: 20px;
            color: #5d6d7e;
        }

        .body-modal-konten-classic ul {
            padding-left: 28px;
            margin-bottom: 25px;
        }

        .body-modal-konten-classic li {
            margin-bottom: 12px;
            color: #5d6d7e;
        }

        .tombol-tutup-modal-classic {
            position: absolute;
            top: 25px;
            right: 28px;
            font-size: 36px;
            color: #ffffff;
            cursor: pointer;
            background: none;
            border: none;
            line-height: 1;
            z-index: 10;
            transition: transform 0.3s ease;
        }

        .tombol-tutup-modal-classic:hover {
            transform: scale(1.2);
            color: #e74c3c;
        }

        .highlight-peringatan-modal-classic {
            background: #fdf2f2;
            border-left: 0px solid #e74c3c;
            padding: 18px;
            border-radius: 10px;
            margin-bottom: 28px;
            color: #c0392b;
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .diagnosis-container-classic {
                max-width: 95%;
            }
            
            .judul-kartu-utama-classic {
                font-size: 26px;
            }
            
            .item-fitur-analisis-classic {
                flex-direction: column;
                text-align: center;
                gap: 18px;
                padding: 20px;
            }
            
            .ikon-fitur-diagnosis-classic {
                width: 55px;
                height: 55px;
                font-size: 24px;
            }
            
            .tombol-kontak-professional {
                padding: 20px 35px;
                font-size: 18px;
            }
            
            .tautan-footer-navigasi-classic {
                flex-direction: column;
                gap: 18px;
            }
            
            .body-modal-konten-classic {
                padding: 25px;
            }
        }

        @media (max-width: 480px) {
            .isi-kartu-diagnosis-classic, .kartu-header-section-classic {
                padding: 25px 20px;
            }
            
            .judul-aksi-diagnosis-classic {
                font-size: 20px;
            }
            
            .judul-kartu-utama-classic {
                font-size: 22px;
            }
            
            .tagline-footer-professional {
                font-size: 20px;
            }
        }