* {
            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: #f9f9f9;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #2a5db0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2em;
            margin: 1em 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin-top: 30px;
        }
        @media (max-width: 768px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        header {
            background: linear-gradient(135deg, #1a2a6c, #2a5db0, #e63946);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #FFD700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 500px;
                margin-top: 20px;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 10px;
            }
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f0f0f0;
            margin-bottom: 20px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            padding-left: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #777;
        }
        main {
            background: white;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            padding: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            main {
                padding: 25px;
            }
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2a6c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #FFD700;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #2a5db0;
            margin: 2.5rem 0 1.5rem;
            padding-top: 10px;
        }
        h3 {
            font-size: 1.7rem;
            color: #e63946;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #333;
            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-color: #f8f9fa;
            padding: 20px;
            border-left: 5px solid #2a5db0;
            margin-bottom: 30px;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
            border-left: 5px solid #FFD700;
        }
        .quote {
            font-style: italic;
            padding: 25px;
            background: #f0f8ff;
            border-radius: 10px;
            margin: 25px 0;
            border-left: 5px solid #2a5db0;
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: #555;
            margin-top: 10px;
        }
        .img-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        aside {
            background: white;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            padding: 25px;
            align-self: start;
        }
        .widget {
            margin-bottom: 35px;
        }
        .widget h3 {
            font-size: 1.4rem;
            border-bottom: 2px solid #FFD700;
            padding-bottom: 8px;
            margin-bottom: 15px;
        }
        .search-form input[type="text"] {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-form button {
            width: 100%;
            margin-top: 10px;
            padding: 12px;
            background: #2a5db0;
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #1a2a6c;
        }
        .link-list {
            list-style: none;
            padding-left: 0;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .update-time {
            background: #f0f8ff;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            color: #2a5db0;
        }
        .rating-section, .comment-section {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .rating-stars {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            margin: 15px 0;
        }
        .rating-stars .star {
            display: inline-block;
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #FFD700;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #2a5db0;
            outline: none;
        }
        .btn-submit {
            background: linear-gradient(to right, #e63946, #ff6b6b);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: bold;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(230, 57, 70, 0.3);
        }
        footer {
            background: #1a2a6c;
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #FFD700;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            color: #ddd;
        }
        friend-link:hover {
            color: #FFD700;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 800; }
        .emoji { font-size: 1.2em; }
        .spacer { height: 30px; }
        .hidden { display: none; }
        @media print {
            header, nav, aside, .rating-section, .comment-section, footer { display: none; }
            body { background: white; }
            main { box-shadow: none; padding: 0; }
        }