* {
            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: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1rem 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            background: white;
            color: #6a11cb;
            padding: 5px 15px;
            border-radius: 8px;
            font-style: italic;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            width: 100%;
            background: #2575fc;
            padding: 1rem;
            border-radius: 0 0 10px 10px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 5%;
            background: #eef5ff;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6a11cb;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }
        @media (max-width: 1024px) {
            .main-container { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
        }
        h1 {
            color: #2d3748;
            font-size: 3rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #6a11cb;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #4a5568;
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
        }
        h3 {
            color: #6a11cb;
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #718096;
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #2d3748;
            background: #f0f9ff;
            padding: 1.5rem;
            border-left: 5px solid #2575fc;
            border-radius: 0 10px 10px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ffef78 0%, #ffef78 100%);
            padding: 0.2rem 0.5rem;
            font-weight: 600;
        }
        .info-box {
            background: #e6fffa;
            border: 2px solid #81e6d9;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list {
            list-style: none;
            padding: 1.5rem;
            background: #f7fafc;
            border-radius: 10px;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .link-list li:before {
            content: '🔗';
            position: absolute;
            left: 0;
        }
        .link-list a {
            color: #2b6cb0;
            text-decoration: none;
            font-weight: 500;
        }
        .link-list a:hover {
            text-decoration: underline;
        }
        .article-img {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-img img:hover {
            transform: scale(1.02);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .interactive-section {
            background: linear-gradient(135deg, #fdfcfb 0%, #f5f7fa 100%);
            padding: 2rem;
            border-radius: 15px;
            margin: 3rem 0;
            border: 1px solid #e2e8f0;
        }
        .interactive-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            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);
        }
        button {
            background: linear-gradient(to right, #6a11cb, #2575fc);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(106, 17, 203, 0.3);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating i {
            color: #e2e8f0;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating i:hover,
        .rating i.active {
            color: #f6e05e;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #a0aec0;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #e2e8f0;
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #4a5568;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        footer {
            background: #2d3748;
            color: #cbd5e0;
            padding: 3rem 5% 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        friend-link a {
            color: #90cdf4;
            text-decoration: none;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }