* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #e31b23; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #e31b23, #c4161c);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(227, 27, 35, 0.3);
        }
        .btn:hover {
            background: linear-gradient(to right, #c4161c, #a01216);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(227, 27, 35, 0.4);
        }
        .site-header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', 'Arial Bold', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #2c5aa0, #e31b23);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .my-logo:hover { transform: scale(1.03); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #e31b23;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #2c5aa0;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #666;
            border-bottom: 1px solid #eee;
            margin-bottom: 30px;
        }
        .breadcrumb a { color: #666; }
        .breadcrumb a:hover { color: #e31b23; }
        .hero {
            background: linear-gradient(rgba(44, 90, 160, 0.85), rgba(227, 27, 35, 0.8)), url('https://images.unsplash.com/photo-1531306728370-e2ebd9d7bbcc?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 80px 20px;
            border-radius: 0 0 30px 30px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
        }
        .search-form {
            max-width: 600px;
            margin: 30px auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        .search-form input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
        }
        .search-form button {
            background: #ffcc00;
            color: #333;
            border: none;
            padding: 0 35px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #e6b800; }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .content-area { grid-template-columns: 1fr; }
        }
        main article {
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        article h1 { font-size: 2.8rem; color: #2c5aa0; margin-bottom: 25px; border-bottom: 3px solid #ffcc00; padding-bottom: 15px; }
        article h2 { font-size: 2.2rem; color: #e31b23; margin: 40px 0 20px; padding-left: 15px; border-left: 5px solid #2c5aa0; }
        article h3 { font-size: 1.8rem; color: #2c5aa0; margin: 30px 0 15px; }
        article h4 { font-size: 1.5rem; color: #333; margin: 25px 0 10px; }
        article p { margin-bottom: 25px; font-size: 1.15rem; text-align: justify; }
        article strong { color: #e31b23; font-weight: 800; }
        article em { background: #fff8e1; font-style: italic; padding: 2px 5px; }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            margin: 30px 0;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .link-list {
            background: #f0f7ff;
            padding: 25px;
            border-radius: 15px;
            margin: 30px 0;
        }
        .link-list ul { list-style: none; }
        .link-list li { margin-bottom: 12px; padding-left: 25px; position: relative; }
        .link-list li::before { content: '🎯'; position: absolute; left: 0; }
        aside .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            color: #e31b23;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #ddd;
        }
        .rating-form, .comment-form { display: flex; flex-direction: column; gap: 15px; }
        .rating-form input, .comment-form input, .comment-form textarea {
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .rating-form input:focus, .comment-form input:focus, .comment-form textarea:focus {
            border-color: #2c5aa0;
            outline: none;
        }
        .stars { display: flex; justify-content: center; gap: 10px; font-size: 1.8rem; color: #ffcc00; margin: 10px 0; }
        .update-time { font-size: 0.95rem; color: #666; background: #f9f9f9; padding: 15px; border-radius: 10px; text-align: center; }
        .site-footer {
            background: #2c5aa0;
            color: white;
            padding: 50px 0 20px;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 { font-size: 1.3rem; margin-bottom: 20px; color: #ffcc00; }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 12px 20px;
            margin-bottom: 10px;
            border-radius: 8px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(255,255,255,0.2); }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active { max-height: 400px; margin-top: 20px; }
            .main-nav ul { flex-direction: column; gap: 15px; }
            .hero h1 { font-size: 2.5rem; }
            .hero p { font-size: 1.1rem; }
            article h1 { font-size: 2.2rem; }
            article h2 { font-size: 1.9rem; }
            article { padding: 25px; }
        }