* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style-position: inside;
            padding-left: 1.2em;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background: linear-gradient(135deg, #FF5722, #FF9800);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 87, 34, 0.3);
        }
        .section {
            padding: 60px 0;
        }
        .text-center {
            text-align: center;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 2px 5px;
            border-radius: 3px;
        }
        header {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #00BCD4, #4CAF50);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .logo span {
            color: #FFC107;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: #FFC107;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #FFC107;
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #FFC107;
        }
        .mobile-nav {
            display: none;
            background-color: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 193, 7, 0.1);
            padding-left: 20px;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 15px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #777;
        }
        .hero {
            background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(48, 63, 159, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 20px;
            text-align: center;
            border-radius: 0 0 20px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-container {
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus {
            border-color: #FF9800;
        }
        .search-btn {
            padding: 15px 25px;
            background: linear-gradient(135deg, #FF9800, #FF5722);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(135deg, #FF5722, #F44336);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            color: #1a237e;
            margin-bottom: 1.2rem;
            line-height: 1.2;
        }
        h2 {
            color: #311b92;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 3px solid #FFC107;
        }
        h3 {
            color: #5c6bc0;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #78909c;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.1rem;
            font-weight: 500;
            color: #555;
            background-color: #E3F2FD;
            padding: 20px;
            border-left: 5px solid #2196F3;
            border-radius: 0 10px 10px 0;
            margin-bottom: 2rem;
        }
        .article-content a {
            color: #FF5722;
            font-weight: 600;
            border-bottom: 1px dashed #FFAB91;
        }
        .article-content a:hover {
            color: #D84315;
            border-bottom-style: solid;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        ul.feature-list {
            list-style: none;
            padding-left: 0;
        }
        ul.feature-list li {
            padding: 10px 0 10px 35px;
            position: relative;
        }
        ul.feature-list li::before {
            content: '🏃‍♂️';
            position: absolute;
            left: 0;
            top: 10px;
        }
        blockquote {
            background: linear-gradient(to right, #F3E5F5, #EDE7F6);
            border-left: 8px solid #7B1FA2;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 15px 15px 0;
            font-style: italic;
            color: #4A148C;
            box-shadow: 0 5px 10px rgba(0,0,0,0.05);
        }
        .rating-section, .comment-section {
            background-color: #F5F5F5;
            padding: 30px;
            border-radius: 15px;
            margin-top: 40px;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #FFC107;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #FF9800;
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 152, 0, 0.2);
        }
        footer {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            padding: 60px 20px 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #FFC107;
            margin-bottom: 20px;
        }
        .footer-links h3 {
            color: #FFC107;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #FFC107;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 8px;
            margin-top: 10px;
            border-left: 4px solid #4CAF50;
        }
        friend-link a {
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        .last-updated {
            background-color: #E8F5E9;
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-block;
            margin: 20px 0;
            font-size: 0.9rem;
            color: #2E7D32;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 12px 15px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                border-radius: 30px;
                width: 100%;
                margin-bottom: 10px;
            }
            .article-content {
                padding: 25px;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }