* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            padding-bottom: 40px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 100%);
            color: white;
            padding: 1.2rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: #ffd600;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #fff;
        }
        .my-logo i {
            font-size: 2rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background-color: rgba(255, 214, 0, 0.15);
            color: #ffd600;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            width: 0;
            height: 2px;
            background: #ffd600;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .nav-links a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #ffd600;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 12px 20px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #1a237e;
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #5c6bc0;
        }
        .search-container {
            margin: 30px 0;
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid #c5cae9;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #3949ab;
        }
        .search-btn {
            background: linear-gradient(90deg, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 0 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .search-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 12px rgba(255, 87, 34, 0.3);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin-top: 20px;
        }
        .content-area {
            background: white;
            padding: 35px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        }
        h1 {
            font-size: 2.6rem;
            color: #1a237e;
            margin-bottom: 1.2rem;
            line-height: 1.3;
            border-left: 6px solid #ffd600;
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 3px dashed #c5cae9;
        }
        h3 {
            font-size: 1.6rem;
            color: #3949ab;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #5c6bc0;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.4rem;
            text-align: justify;
            font-size: 1.1rem;
            color: #444;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #1a237e;
            background: #e8eaf6;
            padding: 18px;
            border-radius: 10px;
            margin-bottom: 2rem;
            border-left: 5px solid #ff9800;
        }
        emoji {
            font-size: 1.3em;
            margin-right: 8px;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        a.content-link {
            color: #1a237e;
            text-decoration: none;
            border-bottom: 2px dotted #5c6bc0;
            font-weight: 600;
            transition: color 0.3s;
        }
        a.content-link:hover {
            color: #ff5722;
            border-bottom-style: solid;
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 25px 0;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        aside {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: #1a237e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid #eee;
        }
        .link-list a {
            color: #3949ab;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.3s;
        }
        .link-list a:hover {
            color: #ff9800;
        }
        .interaction-section {
            margin-top: 40px;
            background: #f3f5fd;
            padding: 30px;
            border-radius: 15px;
            border: 2px solid #e1e5f1;
        }
        .rating-widget {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        label {
            font-weight: 600;
            color: #1a237e;
        }
        input, textarea {
            padding: 14px;
            border: 2px solid #c5cae9;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.3s;
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: #3949ab;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, #4caf50, #2e7d32);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(46, 125, 50, 0.3);
        }
        footer {
            margin-top: 60px;
            background: linear-gradient(90deg, #1a237e, #283593);
            color: white;
            padding: 40px 0 25px;
            border-radius: 15px 15px 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #ffd600;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 18px;
            border-radius: 8px;
            margin: 5px 10px 5px 0;
            transition: background 0.3s;
        }
        friend-link a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 500;
        }
        friend-link:hover {
            background: rgba(255, 214, 0, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.95rem;
            color: #c5cae9;
        }
        .update-time {
            background: #fff9c4;
            color: #5d4037;
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin: 20px 0;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a237e;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-radius: 0 0 15px 15px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-area, .search-container {
                padding: 25px 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                padding: 14px;
            }
        }