* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        h1 { font-size: 2.8rem; color: #2c3e50; margin-bottom: 1.5rem; border-bottom: 4px solid #e74c3c; padding-bottom: 0.8rem; }
        h2 { font-size: 2.2rem; color: #34495e; margin: 2.5rem 0 1.5rem; padding-left: 10px; border-left: 5px solid #3498db; }
        h3 { font-size: 1.8rem; color: #16a085; margin: 2rem 0 1rem; }
        h4 { font-size: 1.4rem; color: #8e44ad; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
        a:hover { color: #e74c3c; text-shadow: 0 0 8px rgba(231, 76, 60, 0.2); }
        strong { color: #c0392b; font-weight: 700; }
        em { font-style: italic; color: #7f8c8d; }
        .container { display: grid; grid-template-columns: 1fr; gap: 30px; }
        header {
            background: linear-gradient(to right, #2c3e50, #4a6491);
            color: white;
            padding: 1.5rem 0;
            border-radius: 0 0 15px 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
            padding: 5px 15px;
            border-radius: 10px;
            border: 2px solid rgba(255,255,255,0.1);
        }
        .my-logo a { color: inherit; -webkit-text-fill-color: inherit; }
        .my-logo:hover { transform: scale(1.03); transition: transform 0.3s; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
            flex-wrap: wrap;
        }
        nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 6px;
            background: rgba(255,255,255,0.08);
        }
        nav a:hover { background: rgba(255,255,255,0.2); color: #f1c40f; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            padding: 1rem;
            background: #ecf0f1;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #e74c3c; }
        main {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px dashed #bdc3c7;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        .interactive-module {
            background: #f8f9fa;
            border-left: 5px solid #3498db;
            padding: 2rem;
            margin: 3rem 0;
            border-radius: 0 10px 10px 0;
        }
        .interactive-module h3 { margin-top: 0; }
        .interactive-module form {
            display: grid;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .interactive-module input,
        .interactive-module textarea,
        .interactive-module select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s, box-shadow 0.3s;
        }
        .interactive-module input:focus,
        .interactive-module textarea:focus,
        .interactive-module select:focus {
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
            outline: none;
        }
        .interactive-module button {
            background: linear-gradient(to right, #2ecc71, #27ae60);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .interactive-module button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(46, 204, 113, 0.4);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #f1c40f;
            margin: 1rem 0;
        }
        .star-rating span { cursor: pointer; transition: transform 0.2s; }
        .star-rating span:hover { transform: scale(1.3); }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2.5rem auto;
            display: block;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            transition: transform 0.5s ease, box-shadow 0.5s;
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
        }
        .links-section {
            background: linear-gradient(135deg, #e8f4fc, #d6eaf8);
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
        }
        .links-section h3 { color: #2874a6; }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .links-grid a {
            display: block;
            padding: 15px;
            background: white;
            border-radius: 8px;
            border-left: 4px solid #3498db;
            transition: all 0.3s;
        }
        .links-grid a:hover {
            background: #3498db;
            color: white;
            transform: translateX(10px);
            border-left-color: #2c3e50;
        }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 2rem;
            border-radius: 15px 15px 0 0;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #f1c40f;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            padding: 10px 15px;
            margin: 8px 0;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(255,255,255,0.15); }
        friend-link a { color: #3498db; }
        friend-link a:hover { color: #f1c40f; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a6572;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            nav ul { flex-direction: column; width: 100%; display: none; margin-top: 1.5rem; }
            nav ul.active { display: flex; }
            .hamburger { display: block; }
            .links-grid { grid-template-columns: 1fr; }
            main { padding: 1.8rem; }
        }
        @media (max-width: 768px) {
            html { font-size: 15px; }
            h1 { font-size: 2.1rem; }
            h2 { font-size: 1.8rem; }
            .interactive-module { padding: 1.5rem; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .article-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
            .star-rating { font-size: 1.5rem; }
        }
        .highlight { background: linear-gradient(120deg, #fffbcc 0%, #fffbcc 100%); padding: 3px 6px; border-radius: 4px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .last-updated { font-style: italic; color: #e74c3c; background: #ffeaa7; padding: 5px 10px; border-radius: 5px; display: inline-block; margin-top: 1rem; }
        .quote {
            border-left: 5px solid #16a085;
            padding: 1.5rem;
            margin: 2rem 0;
            background: #e8f6f3;
            font-style: italic;
            border-radius: 0 10px 10px 0;
        }
        .tip-box {
            background: #fffde7;
            border: 2px dashed #f1c40f;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }