* {
            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;
            max-width: 100vw;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #1a365d;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #e31837;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            color: #2d3748;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: #4a5568;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: #718096;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.125rem;
            text-align: justify;
        }
        a {
            color: #e31837;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #fff;
            background-color: #e31837;
            padding: 2px 4px;
            border-radius: 3px;
        }
        strong {
            color: #1a365d;
            font-weight: 700;
        }
        em {
            color: #718096;
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
            color: white;
            padding: 1.5rem 0;
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            background-color: transparent;
            color: #e31837;
        }
        .my-logo i {
            color: #e31837;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: #e31837;
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #cbd5e0;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: #a0aec0;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        .content-area {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            margin-top: 0;
            color: #1a365d;
            border-bottom: 2px solid #e31837;
            padding-bottom: 0.5rem;
        }
        .search-box {
            margin-bottom: 2rem;
        }
        .search-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .search-box input {
            padding: 0.9rem 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-box input:focus {
            outline: none;
            border-color: #e31837;
        }
        .search-box button {
            padding: 0.9rem;
            background-color: #1a365d;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-box button:hover {
            background-color: #e31837;
        }
        .comment-form, .rating-form {
            margin-bottom: 2.5rem;
        }
        .comment-form textarea, .rating-form select, .comment-form input {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button, .rating-form button {
            padding: 0.9rem 1.5rem;
            background-color: #2d3748;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .comment-form button:hover, .rating-form button:hover {
            background-color: #e31837;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .star-rating i {
            color: #cbd5e0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .star-rating i.active {
            color: #f6ad55;
        }
        .featured-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            border: 5px solid #fff;
            outline: 1px solid #e2e8f0;
        }
        .image-caption {
            margin-top: 1rem;
            font-style: italic;
            color: #718096;
            font-size: 0.95rem;
        }
        .related-links {
            background: #edf2f7;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        .related-links h3 {
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .related-links li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #cbd5e0;
        }
        footer {
            background: #1a365d;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            margin-bottom: 2rem;
        }
        .friend-links a {
            color: #a0aec0;
            padding: 0.5rem 1rem;
            border: 1px solid #4a5568;
            border-radius: 6px;
        }
        .friend-links a:hover {
            background-color: #e31837;
            border-color: #e31837;
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.95rem;
        }
        .update-time {
            color: #f6ad55;
            font-weight: bold;
            margin-left: 1rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 2;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1.5rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                background-color: rgba(255,255,255,0.05);
            }
            .content-area, .sidebar {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            .related-links ul {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff5f5 0%, #fed7d7 100%);
            border-left: 5px solid #e31837;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box {
            background: #e6fffa;
            border: 1px solid #81e6d9;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }