* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fef9f0;
            color: #333;
            line-height: 1.7;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
        }
        a {
            color: #e67e22;
            text-decoration: none;
            transition: color 0.3s ease, border-bottom 0.3s ease;
        }
        a:hover {
            color: #d35400;
            border-bottom: 1px dotted #d35400;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
            color: white;
            padding: 1.5rem 0;
            border-radius: 0 0 10px 10px;
            margin-bottom: 2rem;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 0 1rem;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo a {
            color: white;
            border-bottom: none;
        }
        .my-logo a:hover {
            color: #f1c40f;
            border-bottom: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #f8e5d0;
            padding: 0.8rem 1rem;
            border-radius: 5px;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #7d5a1a;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 768px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-main h1 {
            color: #e67e22;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 0.7rem;
        }
        .article-main h2 {
            color: #d35400;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.5rem;
            border-left: 5px solid #f39c12;
        }
        .article-main h3 {
            color: #a35200;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        .article-main h4 {
            color: #7d5a1a;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        .article-main p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .article-main strong {
            color: #c0392b;
            font-weight: 700;
        }
        .article-main em {
            color: #27ae60;
            font-style: italic;
        }
        .article-main blockquote {
            border-left: 4px solid #f39c12;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            color: #555;
            font-style: italic;
            background-color: #fef9e7;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        .article-image {
            margin: 2rem auto;
            text-align: center;
            border: 1px solid #eee;
            padding: 10px;
            border-radius: 8px;
            background-color: #fcf8f3;
        }
        .article-image img {
            border-radius: 5px;
        }
        .article-image figcaption {
            font-size: 0.9rem;
            color: #777;
            margin-top: 0.5rem;
        }
        .update-time {
            font-size: 0.9rem;
            color: #95a5a6;
            text-align: right;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #ddd;
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        .sidebar h3 {
            color: #e67e22;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1c40f;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .search-form input, .comment-form input, .comment-form textarea, .rating-form select {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-form button, .comment-form button, .rating-form button {
            background: linear-gradient(to right, #2ecc71, #27ae60);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover, .comment-form button:hover, .rating-form button:hover {
            background: linear-gradient(to right, #27ae60, #219653);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #f1c40f;
            margin: 0.5rem 0;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 2.5rem 0;
            border-radius: 10px 10px 0 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            padding: 0 1.5rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #f39c12;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            background: #34495e;
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 1rem;
            color: #ecf0f1;
        }
        friend-link a {
            color: #f1c40f;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #e67e22;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
            }
            .main-nav.active ul {
                display: flex;
            }
            .header-container {
                position: relative;
            }
            .article-main h1 {
                font-size: 2.2rem;
            }
            .article-main h2 {
                font-size: 1.8rem;
            }
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            background: #e67e22;
            color: white;
            border-radius: 5px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: #d35400;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .highlight-box {
            background: linear-gradient(145deg, #fff9e6, #ffeebd);
            border-left: 5px solid #f39c12;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tooltip {
            position: relative;
            border-bottom: 1px dotted #e67e22;
            cursor: help;
        }
        .tooltip:hover::after {
            content: attr(data-tooltip);
            position: absolute;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            background: #333;
            color: white;
            padding: 0.5rem;
            border-radius: 4px;
            white-space: nowrap;
            z-index: 10;
            font-size: 0.9rem;
        }