* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Nirmala UI', sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #4a148c;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6f00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .flex {
            display: flex;
        }
        .grid {
            display: grid;
        }
        .text-center {
            text-align: center;
        }
        .text-bold {
            font-weight: 700;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #4a148c, #7b1fa2);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(123, 31, 162, 0.3);
            transition: all 0.3s ease;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(123, 31, 162, 0.4);
            background: linear-gradient(135deg, #7b1fa2, #9c27b0);
        }
        .section-padding {
            padding: 60px 0;
        }
        header {
            background: linear-gradient(to right, #1a237e, #4a148c);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ffab00;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: #e1f5fe;
            font-size: 1.1rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover {
            color: #ffab00;
            border-bottom: 2px solid #ffab00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1a237e;
            flex-direction: column;
            padding: 20px;
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            color: #e1f5fe;
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-left: 4px solid transparent;
        }
        .mobile-nav a:hover {
            color: #ffab00;
            border-left: 4px solid #ffab00;
            background-color: rgba(255, 255, 255, 0.05);
        }
        .breadcrumb {
            background-color: #e3f2fd;
            padding: 12px 0;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #4a148c;
        }
        main {
            background-color: white;
            padding: 30px 0;
            border-radius: 10px;
            margin: 30px auto;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px dashed #e0e0e0;
            padding-bottom: 25px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .meta-info i {
            margin-right: 8px;
            color: #4a148c;
        }
        .intro-box {
            background: linear-gradient(135deg, #f3e5f5, #e8eaf6);
            padding: 25px;
            border-radius: 15px;
            border-left: 6px solid #4a148c;
            margin: 30px 0;
        }
        .intro-box p {
            font-size: 1.25rem;
            color: #333;
            margin: 0;
        }
        .content-section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a148c;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffcc80;
        }
        h3 {
            font-size: 1.8rem;
            color: #7b1fa2;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        blockquote {
            border-left: 5px solid #ffab00;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #555;
            background-color: #fffde7;
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        .image-container {
            margin: 30px auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            max-width: 800px;
            margin: 0 auto;
        }
        .caption {
            font-size: 0.95rem;
            color: #666;
            margin-top: 10px;
            font-style: italic;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .tip-card {
            background: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            border-top: 4px solid #4a148c;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .tip-card h4 {
            color: #1a237e;
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        .interactive-section {
            background-color: #f1f8e9;
            padding: 40px;
            border-radius: 15px;
            margin: 50px 0;
        }
        .search-box, .comment-form, .rating-form {
            max-width: 700px;
            margin: 0 auto 40px;
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .form-title {
            font-size: 1.8rem;
            color: #33691e;
            margin-bottom: 25px;
            text-align: center;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #4a148c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 20, 140, 0.1);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 2.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            display: inline-block;
            padding: 0 5px;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ff9800;
        }
        .long-tail-links {
            background-color: #e8eaf6;
            padding: 40px 0;
            margin-top: 60px;
        }
        .web-link {
            display: inline-block;
            margin: 10px 15px;
            padding: 12px 25px;
            background-color: white;
            border-radius: 50px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: #4a148c;
            color: white;
            transform: translateY(-3px);
        }
        .web-link a:hover {
            color: white;
        }
        footer {
            background-color: #1a237e;
            color: #e1f5fe;
            padding: 50px 0 20px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: white;
        }
        .footer-about p {
            font-size: 1rem;
            line-height: 1.6;
        }
        .footer-links h4, .footer-social h4 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #ffcc80;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #bbdefb;
        }
        .footer-links a:hover {
            color: #ffab00;
            padding-left: 5px;
        }
        .social-icons {
            display: flex;
            gap: 20px;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }
        .social-icons a:hover {
            background-color: #ff6f00;
            transform: scale(1.1);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3949ab;
            font-size: 0.95rem;
            color: #90caf9;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .article-header h1 {
                font-size: 1.9rem;
            }
            .intro-box p {
                font-size: 1.1rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 25px;
            }
            .search-box, .comment-form, .rating-form {
                padding: 20px;
            }
            .footer-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .social-icons {
                justify-content: center;
            }
        }