* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 0;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: #2a6496;
        }
        a:hover {
            color: #1d4f7c;
            text-decoration: underline;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .header {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            font-family: 'Arial Black', sans-serif;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #ffcc00;
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            text-decoration: none;
            color: #ffeb3b;
        }
        .nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            gap: 1.5rem;
        }
        .nav-list li a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .nav-list li a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: #e9ecef;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a2980;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
        }
        .main-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            color: #26d0ce;
            margin: 2rem 0 1rem;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #1a2980;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: #fff9c4;
            padding: 1rem;
            border-left: 5px solid #ffcc00;
            margin: 1.5rem 0;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus {
            border-color: #26d0ce;
            outline: none;
        }
        button {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .featured-image {
            text-align: center;
            margin: 2rem 0;
        }
        .featured-image img {
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: transform 0.5s;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .footer {
            background: #1a2980;
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .friend-links a {
            color: #c3cfe2;
        }
        .friend-links a:hover {
            color: #ffcc00;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav {
                width: 100%;
                justify-content: space-between;
                margin-top: 1rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a2980;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                z-index: 1000;
            }
            .nav-list.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .container {
                grid-template-columns: 1fr;
                padding: 0 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #ffcc00;
            font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover {
            color: #ff9800;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #777;
            margin-bottom: 1rem;
        }