* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: #333;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4a6ee0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6b8b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #fff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b8b, #4a6ee0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .main-nav {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            color: #444;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #4a6ee0;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4a6ee0;
        }
        .breadcrumb {
            background: #f0f5ff;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #666;
            border-bottom: 1px solid #e0e7ff;
        }
        .breadcrumb a {
            color: #666;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #aaa;
        }
        .main-content {
            flex: 1;
            padding: 30px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(74, 110, 224, 0.1);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #2d3748;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .meta-info {
            color: #718096;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: #fff;
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .article-body h2 {
            font-size: 2.1rem;
            color: #4a6ee0;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #e2e8f0;
        }
        .article-body h3 {
            font-size: 1.7rem;
            color: #2d3748;
            margin: 30px 0 15px;
        }
        .article-body h4 {
            font-size: 1.4rem;
            color: #4a5568;
            margin: 25px 0 12px;
        }
        .article-body p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            color: #444;
            text-align: justify;
        }
        .article-body strong {
            color: #2d3748;
            font-weight: 700;
        }
        .article-body em {
            color: #555;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(120deg, #f0f7ff, #e6f0ff);
            border-left: 5px solid #4a6ee0;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 12px 12px 0;
        }
        .image-container {
            margin: 35px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            border: 1px solid #e2e8f0;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .link-list {
            background: #f8fafc;
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
        }
        .link-list li a {
            background: #fff;
            padding: 10px 20px;
            border-radius: 50px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .link-list li a:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(74, 110, 224, 0.2);
            text-decoration: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: #fff;
            padding: 25px;
            border-radius: 16px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #4a6ee0;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #4a6ee0;
        }
        .search-form button {
            background: linear-gradient(90deg, #4a6ee0, #6b8cff);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: opacity 0.3s;
        }
        .search-form button:hover {
            opacity: 0.9;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2.2rem;
            color: #ffd700;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: none;
            margin-top: 15px;
        }
        .rating-form.active {
            display: block;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            resize: vertical;
            min-height: 120px;
            font-size: 1rem;
            margin-bottom: 15px;
            outline: none;
            transition: border-color 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #4a6ee0;
        }
        .comment-form button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(90deg, #ff6b8b, #ff8e6b);
            color: white;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .comment-form button:hover {
            opacity: 0.9;
        }
        .site-footer {
            background: #2d3748;
            color: #cbd5e0;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b8b, #4a6ee0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: #ff6b8b;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            margin-bottom: 15px;
            text-align: center;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                margin-top: 20px;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                padding: 15px;
                border-top: 1px solid #eee;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-body {
                padding: 25px;
            }
            .article-body h2 {
                font-size: 1.8rem;
            }
            .article-body h3 {
                font-size: 1.5rem;
            }
        }