* {
            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: #f5f7fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2a3a 0%, #2c3e50 100%);
            color: white;
            padding: 1rem 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-family: 'Arial Black', Gadget, sans-serif;
            font-size: 1.8rem;
            color: #4fc3f7;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.3s ease;
        }
        .my-logo:hover {
            color: #29b6f6;
            text-shadow: 0 0 8px rgba(79, 195, 247, 0.5);
        }
        .my-logo i {
            font-size: 2rem;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .desktop-nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        .desktop-nav a:hover {
            background-color: rgba(76, 175, 80, 0.15);
            color: #4CAF50;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: #4CAF50;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 80%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #2c3e50;
            flex-direction: column;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            border-bottom: 1px solid #3a506b;
        }
        .mobile-nav a {
            color: #ecf0f1;
            text-decoration: none;
            display: block;
            padding: 1rem 1.5rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .mobile-nav a:hover {
            background-color: #3a506b;
        }
        .breadcrumb {
            background-color: #e8f5e9;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #c8e6c9;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #757575;
        }
        .breadcrumb a {
            color: #2e7d32;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .article-header {
            border-bottom: 2px solid #4CAF50;
            padding-bottom: 1.5rem;
            margin-bottom: 2.5rem;
        }
        h1 {
            font-size: 2.5rem;
            color: #1a2a3a;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #666;
            font-size: 0.95rem;
        }
        .update-time {
            background: #e3f2fd;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
        }
        h2 {
            font-size: 1.8rem;
            color: #2c3e50;
            margin: 2.2rem 0 1.2rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed #b0bec5;
        }
        h3 {
            font-size: 1.5rem;
            color: #37474f;
            margin: 1.8rem 0 1rem 0;
        }
        h4 {
            font-size: 1.2rem;
            color: #455a64;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: #1a2a3a;
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border-left: 5px solid #4CAF50;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            border: 1px solid #e0e0e0;
        }
        .link-list {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .link-list li {
            padding: 0.5rem 0;
        }
        .link-list a {
            color: #1565c0;
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.3s;
        }
        .link-list a:hover {
            color: #0d47a1;
            text-decoration: underline;
        }
        .link-list i {
            color: #4CAF50;
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.3rem;
            color: #2c3e50;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #4CAF50;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #4CAF50;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #388e3c;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span {
            transition: transform 0.2s;
        }
        .stars span:hover {
            transform: scale(1.2);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        .comment-form button,
        .rating-form button {
            width: 100%;
            padding: 0.8rem;
            background: linear-gradient(135deg, #4CAF50, #2e7d32);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: linear-gradient(135deg, #388e3c, #1b5e20);
            box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
        }
        footer {
            background: #1a2a3a;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #4fc3f7;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #3a506b;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #bbdefb;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link a:hover {
            color: #4fc3f7;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3a506b;
            font-size: 0.9rem;
            color: #b0bec5;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            article, aside {
                padding: 1.5rem;
            }
            .link-list ul {
                grid-template-columns: 1fr;
            }
        }
        .interactive-hover:hover {
            transform: translateY(-5px);
            transition: transform 0.3s ease;
        }
        .btn {
            display: inline-block;
            padding: 0.7rem 1.5rem;
            background: #4CAF50;
            color: white;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn:hover {
            background: #388e3c;
            box-shadow: 0 6px 12px rgba(56, 142, 60, 0.3);
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }