* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #2c5aa0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #f5b041;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            padding: 1rem 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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffd700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: #fff;
        }
        .my-logo i {
            font-size: 2rem;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffd700;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: #777;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
            border-radius: 8px;
            margin: 2rem auto;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            padding-right: 1rem;
        }
        aside {
            border-left: 3px solid #2c5aa0;
            padding-left: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e8eaf6;
        }
        h3 {
            font-size: 1.5rem;
            color: #3949ab;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #5c6bc0;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: #555;
            font-weight: 500;
            background-color: #f0f7ff;
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 5px solid #2c5aa0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #ffb300;
            margin: 1.5rem 0;
        }
        .tip {
            background-color: #e8f5e9;
            padding: 1rem;
            border-radius: 6px;
            margin: 1rem 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .tip i {
            color: #2e7d32;
            margin-top: 3px;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: #1a237e;
        }
        .image-wrapper {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-wrapper img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .event-card {
            background: linear-gradient(to bottom right, #ffffff, #f3f4ff);
            border: 1px solid #d1d9ff;
            border-radius: 10px;
            padding: 1.5rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(44, 90, 160, 0.15);
        }
        .event-card h4 {
            color: #283593;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module {
            background-color: #f8f9ff;
            border-radius: 10px;
            padding: 1.8rem;
            margin: 2.5rem 0;
            border: 1px solid #e0e7ff;
        }
        .module h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2c5aa0;
            box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.2);
        }
        button {
            background: linear-gradient(to right, #2c5aa0, #3949ab);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        button:hover {
            background: linear-gradient(to right, #3949ab, #5c6bc0);
            transform: scale(1.03);
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffb300;
        }
        .sidebar-widget {
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: #1a237e;
        }
        .sidebar-list {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #ccc;
        }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            background-color: #e0e7ff;
            color: #283593;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        .tag:hover {
            background-color: #2c5aa0;
            color: white;
        }
        footer {
            background-color: #1a237e;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: #ffd700;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.7rem;
        }
        friend-link a {
            color: #bbdefb;
        }
        friend-link a:hover {
            color: #ffd700;
            padding-left: 5px;
            transition: padding 0.3s;
        }
        .copyright {
            text-align: center;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #bbdefb;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .content-wrapper {
                gap: 2rem;
            }
            article {
                padding-right: 0;
            }
            aside {
                border-left: none;
                border-top: 3px solid #2c5aa0;
                padding-left: 0;
                padding-top: 1.5rem;
            }
        }