* {
            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: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: #d35400;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #a52700;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        ul, ol {
            padding-left: 1.5em;
            margin: 1em 0;
        }
        li {
            margin-bottom: 0.5em;
        }
        .site-header {
            background: linear-gradient(to right, #1a237e, #311b92);
            color: white;
            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: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #ff9800;
            text-shadow: 2px 2px 0 #5d4037, 4px 4px 8px rgba(0,0,0,0.5);
            letter-spacing: 1px;
            transform: skew(-5deg);
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            transform: skew(-5deg) scale(1.05);
            color: #ffb74d;
            text-shadow: 3px 3px 0 #5d4037;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: #e0e0ff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ff9800;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #311b92;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background: #ede7f6;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #d1c4e9;
        }
        .breadcrumb a {
            color: #5e35b1;
        }
        .breadcrumb span {
            color: #777;
        }
        .main-container {
            flex: 1;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px dashed #e0e0e0;
        }
        .article-meta .update-time {
            color: #d35400;
            font-weight: bold;
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #ff9800;
            padding-left: 1rem;
        }
        h2 {
            color: #311b92;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #d1c4e9;
        }
        h3 {
            color: #4527a0;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #5e35b1;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight-box {
            background: linear-gradient(120deg, #fff8e1, #f3e5f5);
            border-left: 5px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            margin: 2.5rem auto;
            box-shadow: 0 15px 25px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        strong {
            color: #1a237e;
            font-weight: 800;
        }
        .related-links {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h4 {
            margin-top: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #1a237e;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #d1c4e9;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus {
            border-color: #673ab7;
        }
        .search-button {
            background: linear-gradient(to right, #673ab7, #4527a0);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(to right, #4527a0, #311b92);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .star:hover {
            transform: scale(1.2);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        textarea:focus, input:focus {
            border-color: #673ab7;
            outline: none;
            box-shadow: 0 0 0 2px rgba(103, 58, 183, 0.2);
        }
        .submit-btn {
            background: linear-gradient(to right, #ff9800, #f57c00);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #f57c00, #e65100);
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(245, 124, 0, 0.3);
        }
        .site-footer {
            background: #1a1a2e;
            color: #ddd;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h3 {
            color: #ff9800;
            margin-bottom: 1.2rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            background: #252547;
            color: #aaa;
            padding: 1.2rem;
            margin-bottom: 1rem;
            border-radius: 8px;
            border-left: 4px solid #673ab7;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: #2d2d5a;
            color: #ff9800;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            color: #999;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .main-container {
                padding: 0 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-button {
                border-radius: 50px;
                margin-bottom: 0.5rem;
            }
        }