*, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --hp-red: #740001;
            --hp-gold: #D3A625;
            --hp-dark: #1a1a2e;
            --hp-light: #f8f4e9;
            --hp-accent: #2e4057;
            --text-color: #333;
            --bg-color: #faf9f6;
            --border-radius: 12px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-color);
            background: var(--bg-color);
            line-height: 1.7;
        }
        a {
            color: var(--hp-red);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--hp-gold);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--hp-dark) 0%, #16213e 100%);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0,0,0,0.3);
        }
        .header-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .my-logo a {
            color: var(--hp-gold);
            text-decoration: none;
            background: linear-gradient(45deg, #D3A625, #F0C75E);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo a:hover {
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links li a {
            color: #ddd;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-links li a:hover {
            background: rgba(211, 166, 37, 0.2);
            color: var(--hp-gold);
        }
        .breadcrumb-wrap {
            background: #f0ece1;
            padding: 10px 0;
            border-bottom: 1px solid #e0d6c0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #666;
        }
        .breadcrumb a {
            color: var(--hp-red);
        }
        .breadcrumb i {
            font-size: 12px;
            color: #999;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: #fff;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 30px;
        }
        h1 {
            font-size: 42px;
            color: var(--hp-red);
            margin-bottom: 10px;
            line-height: 1.2;
            position: relative;
            padding-bottom: 15px;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--hp-gold), transparent);
            border-radius: 4px;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            color: #888;
            font-size: 14px;
            margin: 15px 0 25px;
        }
        .meta-info i {
            margin-right: 5px;
            color: var(--hp-gold);
        }
        h2 {
            font-size: 30px;
            color: var(--hp-dark);
            margin-top: 45px;
            margin-bottom: 18px;
            font-weight: 700;
            border-left: 4px solid var(--hp-gold);
            padding-left: 16px;
        }
        h3 {
            font-size: 22px;
            color: var(--hp-accent);
            margin-top: 30px;
            margin-bottom: 12px;
            font-weight: 600;
        }
        h4 {
            font-size: 18px;
            color: #555;
            margin-top: 22px;
            margin-bottom: 10px;
            font-weight: 600;
        }
        p {
            margin-bottom: 16px;
            text-align: justify;
        }
        .feature-box {
            background: var(--hp-light);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            border-left: 4px solid var(--hp-gold);
        }
        .feature-box i {
            color: var(--hp-gold);
            margin-right: 8px;
        }
        .image-container {
            margin: 25px 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .image-container figcaption {
            font-size: 14px;
            color: #666;
            margin-top: 10px;
            font-style: italic;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            font-size: 15px;
        }
        .comparison-table th,
        .comparison-table td {
            border: 1px solid #e0d6c0;
            padding: 14px 18px;
            text-align: left;
        }
        .comparison-table th {
            background: var(--hp-dark);
            color: var(--hp-gold);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .comparison-table tr:nth-child(even) {
            background: #faf7f2;
        }
        .comparison-table tr:hover {
            background: #f0ece1;
        }
        .insight-block {
            background: linear-gradient(135deg, #f8f4e9 0%, #f0ece1 100%);
            border-radius: 12px;
            padding: 25px;
            margin: 25px 0;
            border-left: 5px solid var(--hp-red);
        }
        .insight-block h3 {
            margin-top: 0;
            color: var(--hp-red);
        }
        .quote-block {
            background: #f9f6f0;
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            font-style: italic;
            border-left: 4px solid #ccc;
            position: relative;
        }
        .quote-block::before {
            content: '\201C';
            font-size: 40px;
            color: var(--hp-gold);
            position: absolute;
            top: -8px;
            left: 12px;
        }
        blockquote {
            padding-left: 30px;
        }
        .form-area {
            background: #fff;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 35px;
            margin-bottom: 30px;
        }
        .form-area h2 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--hp-dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0d6c0;
            border-radius: 8px;
            font-size: 15px;
            transition: var(--transition);
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--hp-gold);
            box-shadow: 0 0 0 3px rgba(211, 166, 37, 0.2);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            background: var(--hp-red);
            color: #fff;
            border: none;
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: #5a0000;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(116, 0, 1, 0.3);
        }
        .btn-submit i {
            font-size: 18px;
        }
        footer {
            background: var(--hp-dark);
            color: #aaa;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-flex {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 20px;
        }
        .footer-flex h4 {
            color: var(--hp-gold);
            margin-bottom: 15px;
            font-size: 18px;
        }
        .footer-links li {
            list-style: none;
            margin-bottom: 8px;
        }
        .footer-links li a {
            color: #aaa;
            transition: var(--transition);
        }
        .footer-links li a:hover {
            color: var(--hp-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 30px 0 20px;
            padding: 20px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            font-size: 14px;
        }
        friend-link a {
            color: var(--hp-gold);
            margin: 0 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
            color: #888;
        }
        .copyright p {
            margin-bottom: 5px;
            text-align: center;
        }
        .search-box {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .search-box input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #e0d6c0;
            border-radius: 8px;
            font-size: 15px;
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--hp-gold);
        }
        .search-box button {
            background: var(--hp-red);
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #5a0000;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 10px;
                padding: 15px 0;
                background: var(--hp-dark);
                border-radius: 0 0 10px 10px;
            }
            .nav-links.active {
                display: flex;
            }
            .header-flex {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 22px;
            }
            h1 {
                font-size: 30px;
            }
            h2 {
                font-size: 24px;
            }
            h3 {
                font-size: 20px;
            }
            article {
                padding: 20px;
            }
            .form-area {
                padding: 20px;
            }
            .footer-flex {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .comparison-table {
                font-size: 13px;
                overflow-x: auto;
                display: block;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 8px 10px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .meta-info {
                gap: 10px;
                font-size: 12px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 18px;
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 22px;
            }
            h3 {
                font-size: 18px;
            }
            .feature-box {
                padding: 15px;
            }
        }
        @media print {
            header,
            footer,
            .form-area {
                display: none !important;
            }
            article {
                box-shadow: none;
                padding: 20px;
            }
        }