* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            background-attachment: fixed;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e74c3c; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .site-header {
            background: linear-gradient(to right, #1a237e, #283593);
            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;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffd700, #ffecb3);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
        }
        .my-logo a { background: transparent; }
        .main-nav { display: flex; }
        .nav-list {
            display: flex;
            list-style: none;
        }
        .nav-list li { margin-left: 25px; }
        .nav-list a {
            color: white;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-list a:hover, .nav-list a.active {
            border-bottom-color: #ffd700;
            color: #ffd700;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e8eaf6;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #c5cae9;
        }
        .breadcrumb a { color: #3949ab; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 20px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        .article-header { margin-bottom: 40px; }
        .last-updated {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid #ff9800;
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; padding-left: 15px; }
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 45px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #c5cae9;
        }
        h3 {
            font-size: 1.6rem;
            color: #3949ab;
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #5c6bc0;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            background: #f0f4ff;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 30px;
            border-left: 4px solid #3949ab;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb380 0%, #ffecb380 100%);
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .strategy-box {
            background: #e3f2fd;
            border: 2px solid #90caf9;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
        }
        .strategy-box h4 { color: #1565c0; margin-top: 0; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        blockquote {
            font-style: italic;
            background: #f9f9f9;
            border-left: 5px solid #ff9800;
            padding: 20px 30px;
            margin: 30px 0;
            color: #555;
        }
        .article-image {
            margin: 35px auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .article-image img {
            width: 100%;
            max-width: 800px;
            border-radius: 10px;
        }
        .image-caption {
            font-size: 0.95rem;
            color: #666;
            margin-top: 10px;
            font-style: italic;
        }
        .link-list {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list ul { padding-left: 20px; }
        .link-list li { margin-bottom: 10px; }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
        }
        .widget-title {
            font-size: 1.4rem;
            color: #1a237e;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ff9800;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 14px;
            border: 2px solid #c5cae9;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: #3949ab;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-button:hover { background: #283593; }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ffc107;
        }
        .star { cursor: pointer; transition: transform 0.2s; }
        .star:hover { transform: scale(1.2); }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 150px;
            margin-bottom: 15px;
        }
        .form-button {
            background: linear-gradient(to right, #388e3c, #4caf50);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: opacity 0.3s;
        }
        .form-button:hover { opacity: 0.9; }
        footer {
            background: #1a237e;
            color: #e8eaf6;
            padding: 50px 20px 30px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-widget h3 {
            color: #ffd700;
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            margin-bottom: 12px;
            padding: 12px 15px;
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #c5cae9;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav { display: none; width: 100%; order: 3; }
            .nav-active { display: block; }
            .header-container { flex-wrap: wrap; }
            .nav-list {
                flex-direction: column;
                width: 100%;
                background: #283593;
                margin-top: 20px;
                border-radius: 10px;
                padding: 20px;
            }
            .nav-list li { margin: 10px 0; }
            .nav-list a { display: block; padding: 10px; }
            article { padding: 25px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            h3 { font-size: 1.4rem; }
        }