* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #2980b9;
            text-shadow: 0 0 8px rgba(52, 152, 219, 0.3);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(to right, #3498db, #2c80b8);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 6px 15px rgba(52, 152, 219, 0.3);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 25px rgba(52, 152, 219, 0.4);
            background: linear-gradient(to right, #2c80b8, #2573a7);
        }
        .btn:active {
            transform: translateY(0);
        }
        .site-header {
            background: rgba(25, 42, 86, 0.95);
            backdrop-filter: blur(10px);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(45deg, #ff9a00, #ff2d00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(to right, #ff9a00, #ff2d00);
            transition: width 0.4s ease;
            border-radius: 2px;
        }
        .main-nav a:hover::after,
        .main-nav a:focus::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e9f2fa;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #5d6d7e;
        }
        .breadcrumb a:hover {
            color: #3498db;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(50, 50, 93, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
        }
        .article-header {
            margin-bottom: 40px;
            padding-bottom: 25px;
            border-bottom: 3px solid #f1f8ff;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 15px;
            line-height: 1.2;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .content-section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2rem;
            color: #2980b9;
            margin: 35px 0 20px;
            padding-bottom: 12px;
            border-bottom: 2px dashed #d6eaf8;
        }
        h3 {
            font-size: 1.6rem;
            color: #3498db;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #5dade2;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #2c3e50;
            background: #f0f8ff;
            padding: 20px;
            border-left: 5px solid #3498db;
            border-radius: 0 10px 10px 0;
            margin-bottom: 30px;
        }
        .highlight {
            background: linear-gradient(120deg, #fffbcc 0%, #fffbcc 100%);
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .featured-image {
            margin: 30px auto;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            max-width: 800px;
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            padding: 10px;
            background: #f9f9f9;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        blockquote {
            border-left: 5px solid #ff9a00;
            background: #fffaf0;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 15px 15px 0;
            font-style: italic;
            font-size: 1.2rem;
            color: #555;
            box-shadow: inset 0 0 10px rgba(255, 154, 0, 0.1);
        }
        blockquote::before {
            content: '\201C';
            font-size: 3rem;
            color: #ff9a00;
            line-height: 0;
            vertical-align: -0.4em;
            margin-right: 10px;
        }
        aside.sidebar {
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 25px rgba(50, 50, 93, 0.1);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f1f8ff;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #3498db;
        }
        .search-form button {
            background: linear-gradient(to right, #3498db, #2c80b8);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 25px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #2c80b8, #2573a7);
        }
        .link-list a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background: #f8f9fa;
            border-radius: 10px;
            border-left: 4px solid #3498db;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: #e3f2fd;
            transform: translateX(5px);
            border-left-color: #ff9a00;
        }
        .rating-widget, .comment-widget {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            margin-top: 30px;
            border: 1px solid #eaeaea;
        }
        .rating-widget h3, .comment-widget h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ddd;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffcc00;
        }
        .star-rating label:active {
            transform: scale(0.9);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 15px;
            min-height: 150px;
            resize: vertical;
            transition: border 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #3498db;
            outline: none;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            color: #ff9a00;
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-widget h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: #3498db;
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: #bdc3c7;
        }
        friend-link a:hover {
            color: #ff9a00;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 20px;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            article, .sidebar {
                padding: 25px;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .lead {
                font-size: 1.15rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .content-section {
            animation: fadeInUp 0.6s ease-out;
        }
        .content-section:nth-child(odd) {
            animation-delay: 0.1s;
        }