* { 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;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #2a5caa; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #e63946; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .site-header {
            background: linear-gradient(90deg, #1e3c72, #2a5298);
            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: 2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #ffd166; }
        .my-logo:hover { text-decoration: none; color: #ffd166; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #ffd166;
            transition: width 0.3s;
        }
        .main-nav a:hover:after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: #2a5298;
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: flex; }
        .breadcrumb {
            background: #e9f0fa;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child):after { content: '›'; margin-left: 0.5rem; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            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;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 0.5rem;
        }
        h2 { font-size: 2rem; color: #2a5298; margin: 2.5rem 0 1rem; padding-top: 1rem; border-top: 1px dashed #ccc; }
        h3 { font-size: 1.6rem; color: #3a6bc5; margin: 2rem 0 0.8rem; }
        h4 { font-size: 1.3rem; color: #555; margin: 1.5rem 0 0.5rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead {
            font-size: 1.2rem;
            color: #555;
            font-weight: 500;
            background: #f0f7ff;
            padding: 1.5rem;
            border-left: 5px solid #2a5caa;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ffd16622 0%, #ffd16644 100%);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1.5rem 0;
            border-left: 4px solid #ffd166;
        }
        .info-box {
            background: #e8f4fd;
            border: 1px solid #a3d5ff;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .info-box h4 { color: #1e6bb8; margin-top: 0; }
        em { font-style: italic; color: #555; }
        strong { color: #1e3c72; font-weight: 700; }
        figure {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        figcaption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .feature-img:hover { transform: scale(1.01); }
        .search-box, .comment-form, .rating-form {
            background: #f9fbfd;
            padding: 1.8rem;
            border-radius: 10px;
            border: 1px solid #d1e3ff;
            margin: 2.5rem 0;
        }
        .form-title { color: #1e3c72; margin-bottom: 1.2rem; display: flex; align-items: center; gap: 10px; }
        .form-group { margin-bottom: 1.2rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #444; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #b8d4ff;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2a5caa;
            box-shadow: 0 0 0 3px rgba(42, 92, 170, 0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, #2a5caa, #3a6bc5);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #1e3c72, #2a5caa);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(42, 92, 170, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            direction: rtl;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffd166; }
        aside { position: sticky; top: 120px; align-self: start; }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
        }
        .widget-title {
            color: #1e3c72;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd166;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .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;
        }
        .update-time {
            background: #fff9e6;
            border: 1px dashed #ffd166;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            font-size: 0.9rem;
            color: #b8860b;
        }
        .site-footer {
            background: linear-gradient(90deg, #1a1a2e, #16213e);
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo { font-size: 1.8rem; color: white; margin-bottom: 1rem; }
        .footer-nav ul { list-style: none; }
        .footer-nav li { margin-bottom: 0.7rem; }
        .footer-nav a { color: #b8d4ff; }
        .footer-nav a:hover { color: #ffd166; }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            border-left: 4px solid #2a5caa;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2a5caa;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .main-nav ul { display: none; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            article { padding: 1.5rem; }
            .header-container, .breadcrumb .container { padding: 0 15px; }
        }
        @media (min-width: 769px) {
            .mobile-nav { display: none !important; }
        }