* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, #1a3c34 0%, #0d261f 100%);
            color: #fff;
            padding: 1rem 2rem;
            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;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: #4cd964;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            transition: color 0.3s ease;
        }
        .my-logo:hover {
            color: #2ecc71;
            text-shadow: 0 0 10px rgba(76, 217, 100, 0.5);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover {
            background-color: #2ecc71;
            color: #1a3c34;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #2c3e50;
            padding: 0.8rem 2rem;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4cd964;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .search-section {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #1a3c34;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-button {
            background-color: #1a3c34;
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-button:hover {
            background-color: #2ecc71;
        }
        .content-article {
            background: #fff;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        h1 {
            color: #1a3c34;
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #4cd964;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #2c3e50;
            font-size: 2.4rem;
            margin: 2.5rem 0 1.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #1a3c34;
        }
        h3 {
            color: #34495e;
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #5d6d7e;
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #e8f6ef;
            padding: 1.5rem;
            border-left: 5px solid #2ecc71;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .internal-links {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .internal-links a {
            color: #1a3c34;
            text-decoration: none;
            font-weight: 600;
            margin-right: 1.5rem;
            display: inline-block;
            padding: 0.3rem 0;
            border-bottom: 2px dotted #4cd964;
        }
        .internal-links a:hover {
            color: #2ecc71;
            border-bottom-style: solid;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-section, .rating-section {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 2px solid #bdc3c7;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: #1a3c34;
            outline: none;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: #1a3c34;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .submit-button:hover {
            background-color: #2ecc71;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f1c40f;
        }
        footer {
            background: linear-gradient(135deg, #1a3c34 0%, #0d261f 100%);
            color: #ecf0f1;
            padding: 3rem 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
        }
        friend-link h3 {
            color: #4cd964;
            margin-top: 0;
            font-size: 1.5rem;
        }
        .friend-links-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .friend-links-list a {
            color: #bdc3c7;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border: 1px solid #4cd964;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .friend-links-list a:hover {
            background-color: #4cd964;
            color: #1a3c34;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .update-time {
            background-color: #2ecc71;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: inline-block;
            font-weight: bold;
            margin: 1rem 0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                background-color: #1a3c34;
                padding: 1rem;
                border-radius: 8px;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 1rem;
            }
            .content-article {
                padding: 2rem 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-button {
                border-radius: 8px;
                width: 100%;
                margin-bottom: 0.5rem;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                padding: 0 1.5rem;
            }
        }