* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #2c5aa0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
            margin-right: auto;
            margin-left: auto;
        }
        .site-header {
            background: linear-gradient(135deg, #2c5aa0 0%, #4a7dc3 100%);
            color: white;
            padding: 1.5rem 0;
            border-bottom: 5px solid #e63946;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: white;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo span {
            color: #ffde59;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            display: block;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffde59;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 1rem;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #2c5aa0;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #888;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        main {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
        }
        article h1 {
            color: #2c5aa0;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #ffde59;
            padding-bottom: 0.5rem;
            line-height: 1.2;
        }
        article h2 {
            color: #e63946;
            margin: 2.5rem 0 1.2rem;
            font-size: 2rem;
            padding-left: 10px;
            border-left: 5px solid #4a7dc3;
        }
        article h3 {
            color: #2c5aa0;
            margin: 2rem 0 1rem;
            font-size: 1.6rem;
        }
        article h4 {
            color: #555;
            margin: 1.5rem 0 0.8rem;
            font-size: 1.3rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        article strong {
            color: #2c5aa0;
            font-weight: 700;
        }
        .highlight-box {
            background-color: #f1f8ff;
            border-left: 5px solid #4a7dc3;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background-color: #f8f9fa;
        }
        aside {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.2rem;
        }
        .sidebar-widget h3 {
            color: #e63946;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffde59;
            font-size: 1.4rem;
        }
        .search-form input[type="text"] {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .search-form button {
            width: 100%;
            background: #2c5aa0;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #e63946;
        }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 1rem;
        }
        .rating-widget .stars i {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-widget .stars i:hover,
        .rating-widget .stars i.active {
            color: #ffde59;
        }
        .rating-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            margin-bottom: 0.8rem;
            resize: vertical;
            min-height: 120px;
        }
        .rating-form button {
            background: #4a7dc3;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .rating-form button:hover {
            background: #2c5aa0;
        }
        .site-footer {
            background: #2c5aa0;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 5px solid #ffde59;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: #ffde59;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .friend-links {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
        }
        .friend-links a {
            color: #ddd;
            display: block;
            padding: 0.4rem 0;
            border-bottom: 1px dotted rgba(255, 255, 255, 0.1);
        }
        .friend-links a:hover {
            color: #ffde59;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #ccc;
        }
        .update-time {
            background: #e9ecef;
            padding: 0.8rem;
            border-radius: 6px;
            text-align: center;
            margin: 1.5rem 0;
            font-style: italic;
            color: #666;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 1rem;
            }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                padding: 0.8rem;
                background: rgba(255, 255, 255, 0.05);
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
            main, aside {
                padding: 1.5rem;
            }
        }