* { 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-color: #f9f9fb;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #4a6ee0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #ff7b9c; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            font-family: 'Comic Sans MS', cursive, sans-serif;
            color: #FFD700;
            text-shadow: 2px 2px 0 #ff7b9c;
        }
        .my-logo a { color: inherit; }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #4a6ee0; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            border-bottom-color: #FFD700;
            color: #FFD700;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
                padding: 1rem;
                display: none;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav ul.show { display: flex; }
            .main-nav li { text-align: center; padding: 0.7rem 0; }
        }
        .hero {
            background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.95)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            padding: 3rem 1rem;
            border-bottom: 1px solid #eee;
        }
        .hero h1 {
            font-size: 2.8rem;
            color: #2d3748;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            color: #4a5568;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(106, 17, 203, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(to right, #ff7b9c, #ff6b6b);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .search-btn:hover { background: linear-gradient(to right, #ff6b6b, #ff4757); }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        .main-article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .main-article h1 { font-size: 2.5rem; margin-bottom: 1.5rem; color: #2d3748; }
        .main-article h2 {
            font-size: 1.9rem;
            color: #4a6ee0;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .main-article h3 {
            font-size: 1.5rem;
            color: #ff7b9c;
            margin: 2rem 0 1rem;
        }
        .main-article h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        .main-article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #444;
        }
        .main-article ul, .main-article ol {
            margin-bottom: 1.5rem;
            padding-left: 1.8rem;
        }
        .main-article li { margin-bottom: 0.7rem; }
        .info-box {
            background: #f0f8ff;
            border-left: 5px solid #4a6ee0;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .codes-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .code-card {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border: 1px solid #e1e8ed;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .code-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(74, 110, 224, 0.15);
        }
        .code-reward { color: #ff7b9c; font-weight: bold; }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .sidebar h3 {
            color: #4a6ee0;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .sidebar ul {
            list-style: none;
            margin-bottom: 2rem;
        }
        .sidebar li { margin-bottom: 0.8rem; }
        .sidebar a { color: #555; display: block; padding: 8px 0; }
        .sidebar a:hover { color: #ff7b9c; padding-left: 8px; }
        .rating-widget, .comment-widget {
            background: #f9f9fb;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.8rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #FFD700;
        }
        .stars i { cursor: pointer; transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.2); }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #4a6ee0;
            outline: none;
        }
        .submit-btn {
            background: linear-gradient(to right, #4a6ee0, #6a11cb);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s ease;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #3a5ed0, #5a01bb);
            box-shadow: 0 5px 15px rgba(74, 110, 224, 0.4);
        }
        .featured-image {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            max-width: 900px;
        }
        .site-footer {
            background: #2d3748;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            background: #4a5568;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
            border-left: 5px solid #ff7b9c;
        }
        friend-link a {
            color: #cbd5e0;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.95rem;
            color: #a0aec0;
        }