:root {
            --primary-color: #bc002d; 
            --secondary-color: #2c3e50; 
            --accent-color: #f39c12; 
            --light-color: #f8f9fa;
            --dark-color: #222831;
            --text-color: #333;
            --gray-light: #e0e0e0;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0,0,0,0.08);
            --border-radius: 8px;
        }
        * {
            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: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            padding: 20px 0;
            display: flex;
            align-items: center;
        }
        .my-logo span {
            color: var(--secondary-color);
            margin-left: 5px;
        }
        .my-logo:hover {
            color: #8c001f;
        }
        .main-nav {
            display: flex;
        }
        .nav-list {
            display: flex;
            list-style: none;
        }
        .nav-list li {
            margin-left: 30px;
        }
        .nav-list a {
            text-decoration: none;
            color: var(--secondary-color);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            position: relative;
            transition: var(--transition);
        }
        .nav-list a:hover,
        .nav-list a.active {
            color: var(--primary-color);
        }
        .nav-list a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .nav-list a:hover:after,
        .nav-list a.active:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: var(--secondary-color);
            padding: 10px;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 15px 0;
            border-bottom: 1px solid var(--gray-light);
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-item {
            margin-right: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb-item a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .breadcrumb-item a:hover {
            text-decoration: underline;
            color: var(--primary-color);
        }
        .breadcrumb-item:not(:last-child):after {
            content: '>';
            margin-left: 10px;
            color: #888;
        }
        .main-container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: white;
            padding: 0;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 15px;
        }
        h1 span {
            color: var(--primary-color);
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gray-light);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.2rem;
            background-color: #f9f9f9;
            padding: 25px;
            border-left: 5px solid var(--primary-color);
            margin-bottom: 35px;
            border-radius: var(--border-radius);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 30px auto;
            display: block;
            transition: var(--transition);
        }
        .article-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.15);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            margin-bottom: 30px;
        }
        a.content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-color);
            transition: var(--transition);
        }
        a.content-link:hover {
            color: #8c001f;
            border-bottom: 1px solid #8c001f;
        }
        ul.content-list {
            padding-left: 30px;
            margin-bottom: 25px;
        }
        ul.content-list li {
            margin-bottom: 10px;
            position: relative;
        }
        ul.content-list li:before {
            content: '🍣';
            position: absolute;
            left: -25px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 25px;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--accent-color);
            margin: 30px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-size: 1.15rem;
        }
        .feature-box {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 30px;
            margin: 40px 0;
            border-top: 5px solid var(--primary-color);
        }
        .feature-title {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        .feature-title i {
            margin-right: 15px;
            color: var(--primary-color);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--secondary-color);
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--gray-light);
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(188, 0, 45, 0.1);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: var(--border-radius);
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            text-decoration: none;
        }
        .btn:hover {
            background-color: #8c001f;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(188, 0, 45, 0.2);
        }
        .stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            margin: 15px 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            padding: 5px;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--accent-color);
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
            max-height: calc(100vh - 140px);
            overflow-y: auto;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 25px;
            margin-bottom: 30px;
        }
        .sidebar-title {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gray-light);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed #eee;
        }
        .related-links li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .related-links a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .related-links i {
            margin-right: 12px;
            color: var(--primary-color);
            font-size: 0.9rem;
        }
        .update-info {
            background-color: #f0f8ff;
            padding: 15px;
            border-radius: var(--border-radius);
            font-size: 0.95rem;
            color: #555;
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-logo span {
            color: var(--accent-color);
        }
        .footer-about p {
            color: #ccc;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
            grid-column: 1 / -1;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
                max-height: none;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .nav-list {
                flex-direction: column;
                width: 100%;
                padding: 20px 0;
            }
            .nav-list li {
                margin: 0;
                width: 100%;
                text-align: center;
                padding: 10px 0;
                border-bottom: 1px solid #eee;
            }
            .nav-list a {
                display: block;
                padding: 10px;
            }
            .nav-active {
                max-height: 500px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .header-container {
                padding: 0 15px;
            }
            .breadcrumb-container {
                padding: 0 15px;
            }
            .main-container {
                padding: 0 15px;
            }
        }