* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { text-decoration: none; color: #2a5caa; transition: color 0.3s; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffde59;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo span { color: #fff; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffde59;
            transition: width 0.3s;
        }
        nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f1f8ff;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        h1 { font-size: 2.8rem; color: #1e3c72; margin-bottom: 1.5rem; line-height: 1.2; }
        h2 { font-size: 2rem; color: #2a5298; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 3px solid #ffde59; }
        h3 { font-size: 1.5rem; color: #e63946; margin: 2rem 0 1rem; }
        h4 { font-size: 1.2rem; color: #555; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .intro { font-size: 1.2rem; font-weight: 600; color: #444; background: #f0f8ff; padding: 1.5rem; border-left: 5px solid #2a5caa; border-radius: 0 10px 10px 0; margin-bottom: 2.5rem; }
        .highlight { background: linear-gradient(120deg, #ffde5980 0%, #ffde5980 100%); padding: 0.2rem 0.5rem; border-radius: 3px; font-weight: 600; }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            border: 5px solid #2a5298;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .update-time {
            display: inline-block;
            background: #2a5298;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget { margin-bottom: 2rem; }
        .widget h3 { font-size: 1.3rem; color: #1e3c72; margin-bottom: 1rem; }
        .search-form { display: flex; }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #2a5caa;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: #2a5caa;
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #1e3c72; }
        .rating-widget, .comment-widget { text-align: center; }
        .stars { font-size: 1.8rem; color: #ffc107; margin: 0.5rem 0; }
        .stars i { cursor: pointer; margin: 0 2px; }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #e63946, #d90429);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(230, 57, 70, 0.4);
        }
        .link-list { list-style: none; }
        .link-list li { margin-bottom: 0.8rem; padding-left: 1.2rem; position: relative; }
        .link-list li::before { content: '⚔️'; position: absolute; left: 0; }
        footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #ffde59; margin-bottom: 1.2rem; font-size: 1.3rem; }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #8bb9fe;
        }
        friend-link:hover { color: #ffde59; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav {
                width: 100%;
                order: 3;
                margin-top: 1rem;
                display: none;
            }
            nav.active { display: block; }
            nav ul {
                flex-direction: column;
                gap: 0;
                background: #2a5298;
                border-radius: 10px;
                overflow: hidden;
            }
            nav li { border-bottom: 1px solid rgba(255,255,255,0.1); }
            nav a { display: block; padding: 1rem; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            article { padding: 1.5rem; }
        }