* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #962d22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2634 0%, #2c3e50 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f1c40f;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0 #c0392b;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #f39c12;
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 6px;
            color: #e67e22;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #ecf0f1;
            padding: 8px 14px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.25s, color 0.25s;
            display: block;
        }
        .nav-list li a:hover {
            background: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ecf0f1;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e0e4e8;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 10px;
            color: #999;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .article-body h1 {
            font-size: 2.4rem;
            color: #1a2634;
            margin-bottom: 16px;
            line-height: 1.25;
            border-left: 6px solid #c0392b;
            padding-left: 18px;
        }
        .article-body h2 {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-top: 48px;
            margin-bottom: 14px;
            border-bottom: 3px solid #e67e22;
            padding-bottom: 6px;
        }
        .article-body h3 {
            font-size: 1.35rem;
            color: #34495e;
            margin-top: 32px;
            margin-bottom: 10px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            color: #555;
            margin-top: 22px;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 28px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body .highlight-box {
            background: #fef9e7;
            border-left: 6px solid #f1c40f;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-body .highlight-box strong {
            color: #c0392b;
        }
        .article-body .stat-badge {
            display: inline-block;
            background: #2c3e50;
            color: #fff;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .hero-img-wrap {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e0e4e8;
            padding: 8px;
        }
        .hero-img-wrap img {
            border-radius: 10px;
            width: 100%;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #888;
            margin-top: -8px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .last-updated i {
            color: #e67e22;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: #1a2634;
            border-left: 4px solid #e67e22;
            padding-left: 12px;
        }
        .sidebar-link-list {
            list-style: none;
        }
        .sidebar-link-list li {
            margin-bottom: 10px;
        }
        .sidebar-link-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            color: #2c3e50;
            font-weight: 500;
            border-bottom: 1px dashed #e0e4e8;
            padding-bottom: 8px;
        }
        .sidebar-link-list li a i {
            color: #c0392b;
            width: 18px;
        }
        .sidebar-link-list li a:hover {
            color: #c0392b;
        }
        .search-form {
            display: flex;
            gap: 6px;
            margin-top: 6px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #e0e4e8;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0 20px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #962d22;
            transform: scale(1.03);
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 40px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf0;
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 1.6rem;
            margin-top: 0 !important;
            border-bottom: 3px solid #e67e22;
            padding-bottom: 8px;
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #2c3e50;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e4e8;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.25s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c0392b;
        }
        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }
        .btn-primary {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #962d22;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        .rating-value {
            margin-left: 12px;
            font-weight: 600;
            color: #2c3e50;
        }
        .site-footer {
            background: #1a2634;
            color: #cbd5e0;
            padding: 40px 0 24px;
            margin-top: 48px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: #f1c40f;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #cbd5e0;
        }
        .footer-inner a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin-right: 18px;
            margin-bottom: 6px;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid #2c3e50;
            font-size: 0.85rem;
            color: #8899aa;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a2634;
                padding: 16px 0 10px;
                border-radius: 0 0 16px 16px;
                margin-top: 10px;
            }
            .nav-list.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrap {
                flex-wrap: wrap;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .comment-section,
            .rating-section {
                padding: 18px;
            }
            .hero-img-wrap {
                margin: 16px 0;
            }
            .container {
                padding: 0 14px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.5rem;
                padding-left: 12px;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        :focus-visible {
            outline: 3px solid #f1c40f;
            outline-offset: 2px;
        }
        .img-placeholder {
            background: linear-gradient(90deg, #e0e4e8 25%, #f0f2f5 50%, #e0e4e8 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            min-height: 200px;
            border-radius: 12px;
        }
        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }
        .text-muted {
            color: #7f8c8d;
        }
        .mt-2 {
            margin-top: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-4 {
            gap: 16px;
        }
        .inline-icon {
            margin-right: 6px;
        }