* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-dark: #1a365d;
            --primary-accent: #2c5282;
            --secondary-dark: #2d3748;
            --secondary-light: #e2e8f0;
            --accent-gold: #d69e2e;
            --text-light: #f7fafc;
            --text-dark: #2d3748;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --radius: 8px;
            --max-width: 1280px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffd700;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            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-color: rgba(26, 54, 93, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            color: #ffd700;
            text-decoration: none;
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            background-color: var(--primary-accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--primary-dark);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: var(--text-light);
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: rgba(45, 55, 72, 0.8);
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--secondary-light);
        }
        .breadcrumb a {
            color: var(--accent-gold);
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #a0aec0;
        }
        .main-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        @media (max-width: 1024px) {
            .main-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .content-main {
            background: rgba(247, 250, 252, 0.98);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        @media (max-width: 1024px) {
            .sidebar {
                order: -1;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: space-between;
            }
            .sidebar-widget {
                flex: 1 1 300px;
            }
        }
        .sidebar-widget {
            background: rgba(247, 250, 252, 0.98);
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.5rem;
            color: var(--primary-dark);
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 10px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            border-bottom: 5px double var(--accent-gold);
            padding-bottom: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
        }
        h2 {
            font-size: 2.4rem;
            color: var(--primary-accent);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-light);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #4a5568;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-accent);
            background: rgba(214, 158, 46, 0.1);
            padding: 20px;
            border-left: 5px solid var(--accent-gold);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 2rem 0;
        }
        .highlight {
            background-color: #fffacd;
            padding: 3px 6px;
            border-radius: 3px;
            font-weight: bold;
        }
        em {
            color: #2c5282;
            font-style: italic;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 800;
        }
        blockquote {
            border-left: 4px solid var(--accent-gold);
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            color: #4a5568;
            background: rgba(214, 158, 46, 0.05);
            padding: 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .article-img {
            margin: 2.5rem auto;
            box-shadow: var(--shadow);
            max-width: 800px;
            border: 5px solid var(--primary-dark);
        }
        .article-img figcaption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .search-box, .comment-form, .rating-form {
            background: #edf2f7;
            padding: 25px;
            border-radius: var(--radius);
            margin: 2.5rem 0;
        }
        .form-title {
            margin-bottom: 15px;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--secondary-dark);
        }
        input[type="text"],
        input[type="email"],
        textarea,
        select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.3);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary-accent), var(--primary-dark));
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(to right, var(--primary-dark), var(--accent-gold));
            text-decoration: none;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.2);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--accent-gold);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 50px 20px 30px;
            margin-top: 60px;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-widget h3 {
            color: var(--accent-gold);
            font-size: 1.5rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(214, 158, 46, 0.5);
        }
        friend-link {
            display: block;
            margin-bottom: 12px;
            color: #e2e8f0;
        }
        friend-link a {
            color: inherit;
        }
        friend-link a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .update-time {
            background: var(--accent-gold);
            color: var(--primary-dark);
            padding: 8px 15px;
            border-radius: 20px;
            display: inline-block;
            font-weight: bold;
            margin: 20px 0;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-main, .sidebar-widget {
            animation: fadeIn 0.8s ease-out;
        }