* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-red: #E53935;
            --primary-blue: #1E88E5;
            --primary-yellow: #FFD600;
            --primary-green: #43A047;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --card-bg: #ffffff;
            --text-dark: #2d3436;
            --text-light: #636e72;
            --accent-purple: #8E24AA;
            --shadow: 0 8px 30px rgba(0,0,0,0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%); padding: 0 4px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .site-header {
            background: var(--dark-bg);
            color: white;
            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;
            padding: 1rem 20px;
        }
        .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: linear-gradient(90deg, var(--primary-red), var(--primary-blue), var(--primary-yellow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ddd;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: white;
            background: rgba(255,255,255,0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 1rem 20px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-purple) 100%);
            color: white;
            padding: 4rem 20px;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 0 20px 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--card-bg);
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: var(--shadow);
        }
        .article-content h2 {
            color: var(--primary-blue);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-yellow);
        }
        .article-content h3 {
            color: var(--accent-purple);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            color: var(--primary-green);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content blockquote {
            border-left: 5px solid var(--primary-red);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--text-light);
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #eee;
        }
        .link-list {
            background: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .link-list a {
            background: white;
            padding: 10px 20px;
            border-radius: 50px;
            text-decoration: none;
            color: var(--primary-blue);
            font-weight: 600;
            border: 2px solid #d1e7ff;
            transition: var(--transition);
        }
        .link-list a:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: var(--card-bg);
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--primary-red);
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 14px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #1565c0;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .active {
            color: #FFD700;
        }
        .rating-widget input, .rating-widget textarea {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-widget button {
            background: var(--primary-green);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background: #388E3C;
        }
        .site-footer {
            background: var(--dark-bg);
            color: #ccc;
            padding: 3rem 20px 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #4fc3f7;
            text-decoration: none;
            padding: 5px 0;
            display: inline-block;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            padding-left: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .hero p { font-size: 1.1rem; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark-bg);
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger { display: block; }
            .article-content { padding: 1.5rem; }
            .article-content h2 { font-size: 1.9rem; }
            .content-wrapper { padding: 0 15px 2rem; }
            .link-list ul { flex-direction: column; }
        }
        a, button {
            transition: var(--transition);
        }
        .btn {
            display: inline-block;
            padding: 14px 28px;
            background: var(--primary-red);
            color: white;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
        }
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(229, 57, 53, 0.6);
        }
        .card-hover {
            transition: var(--transition);
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(30, 136, 229, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(30, 136, 229, 0); }
            100% { box-shadow: 0 0 0 0 rgba(30, 136, 229, 0); }
        }