* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9ff;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 100, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1.5rem;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            text-decoration: none;
            color: #FFD700;
            text-shadow: 2px 2px 0 #2575fc;
            letter-spacing: -1px;
            transition: transform 0.3s ease, text-shadow 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 3px 3px 0 #6a11cb;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            align-items: center;
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .nav-link:hover, .nav-link:focus {
            background-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }
        .search-form {
            display: flex;
            align-items: center;
            background: white;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            overflow: hidden;
        }
        .search-input {
            border: none;
            outline: none;
            padding: 0.6rem;
            width: 220px;
            font-size: 1rem;
        }
        .search-button {
            background-color: #FF6B6B;
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: background-color 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-button:hover {
            background-color: #ff5252;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            width: 100%;
            background-color: #2575fc;
            padding: 1rem;
            border-radius: 10px;
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 1.5rem auto;
            padding: 0 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #6a11cb;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .content-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem 3rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
        }
        h1 {
            color: #2d3436;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 8px solid #6a11cb;
            padding-left: 1.5rem;
        }
        h2 {
            color: #2575fc;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #f0f0ff;
        }
        h3 {
            color: #6a11cb;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #FF6B6B;
            font-size: 1.3rem;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: #444;
            background-color: #f0f7ff;
            padding: 1.5rem;
            border-radius: 12px;
            margin-bottom: 2.5rem;
            border-left: 5px solid #2575fc;
        }
        strong {
            color: #2d3436;
            font-weight: 800;
        }
        .highlight {
            background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 5px;
            font-weight: 600;
        }
        .feature-img {
            margin: 2.5rem auto;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .content-link {
            color: #6a11cb;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted #a8edea;
            transition: all 0.2s;
        }
        .content-link:hover {
            color: #2575fc;
            border-bottom-style: solid;
            background-color: #f8f9ff;
        }
        .tip-box {
            background: #e3f2fd;
            border-left: 6px solid #2196F3;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
        }
        .quote {
            font-style: italic;
            color: #555;
            border-left: 5px solid #FFD700;
            padding-left: 1.5rem;
            margin: 2rem 0;
            background-color: #fffde7;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
        }
        .widget-title {
            color: #2d3436;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0ff;
        }
        .related-links a {
            display: block;
            color: #444;
            text-decoration: none;
            padding: 0.8rem 1rem;
            margin-bottom: 0.8rem;
            border-radius: 8px;
            transition: all 0.3s;
            background-color: #f8f9fa;
        }
        .related-links a:hover {
            background-color: #6a11cb;
            color: white;
            transform: translateX(5px);
        }
        .update-info {
            background: #fff8e1;
            color: #5d4037;
            font-weight: 600;
            text-align: center;
            padding: 1rem;
            border-radius: 10px;
            border: 2px dashed #ffb300;
        }
        .user-interaction {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 3px solid #eee;
        }
        .interaction-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: #2d3436;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .form-box {
            background: #f8f9ff;
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid #e0e0ff;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #6a11cb;
            box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            direction: rtl;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #FFD700;
        }
        .submit-btn {
            background: linear-gradient(to right, #6a11cb, #2575fc);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 700;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(37, 117, 252, 0.3);
        }
        .site-footer {
            background: #2d3436;
            color: #f0f0f0;
            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-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #FFD700;
            margin-bottom: 1rem;
        }
        .footer-heading {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #444;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #6a11cb;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: #4fc3f7;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            .search-form {
                width: 100%;
            }
            .search-input {
                width: 100%;
            }
            .content-wrapper, .breadcrumb {
                padding: 0 1.5rem 2rem;
            }
            .main-article {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
                padding-left: 1rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .lead {
                font-size: 1.1rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
        }