*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
            color: #0b1a2a;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #c0392b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #c0392b;
            padding-left: 0.9rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
            word-spacing: 0.02em;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2a 0%, #1a2f3f 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f1c40f;
            text-shadow: 2px 2px 0 #c0392b;
            letter-spacing: -0.5px;
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #f1c40f;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            color: #ddd;
            text-shadow: none;
            font-weight: 400;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f1c40f;
            color: #f1c40f;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f1c40f;
            color: #0b1a2a;
        }
        .main-nav {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e0e0;
            font-weight: 500;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            color: #f1c40f;
            border-bottom-color: #f1c40f;
            text-decoration: none;
        }
        .main-nav .active {
            color: #f1c40f;
            border-bottom-color: #f1c40f;
        }
        .breadcrumb {
            background: #ecf0f1;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dcdde1;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.2rem;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.4rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #2980b9;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 85px;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6, #fff3cd);
            border-left: 6px solid #f39c12;
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .data-box {
            background: #1a2f3f;
            color: #f0f0f0;
            padding: 1.2rem 1.5rem;
            border-radius: 10px;
            margin: 1.2rem 0;
        }
        .data-box h4 {
            color: #f1c40f;
            margin-top: 0;
        }
        .data-box ul {
            color: #ddd;
        }
        .badge {
            display: inline-block;
            background: #c0392b;
            color: #fff;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .badge-gold {
            background: #f1c40f;
            color: #0b1a2a;
        }
        .feature-image {
            border-radius: 14px;
            overflow: hidden;
            margin: 1.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            background: #ddd;
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1a2f3f, #2c3e50);
            color: #fff;
            position: relative;
        }
        .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .feature-image .img-placeholder {
            padding: 3rem 2rem;
            text-align: center;
            font-size: 1.2rem;
        }
        .feature-image .img-placeholder i {
            font-size: 4rem;
            color: #f1c40f;
            margin-bottom: 1rem;
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #dcdde1;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.2s;
            min-width: 160px;
        }
        .search-box input:focus {
            outline: none;
            border-color: #c0392b;
        }
        .search-box button {
            padding: 0.75rem 1.5rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #e74c3c;
            transform: scale(1.02);
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin: 1.2rem 0;
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form select,
        .rating-form input {
            padding: 0.7rem 1rem;
            border: 2px solid #dcdde1;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            width: 100%;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form select:focus {
            outline: none;
            border-color: #c0392b;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            padding: 0.7rem 1.8rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            width: fit-content;
        }
        .btn:hover {
            background: #e74c3c;
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: #2c3e50;
        }
        .btn-secondary:hover {
            background: #1a2f3f;
        }
        .comment-list {
            margin-top: 1.2rem;
            max-height: 400px;
            overflow-y: auto;
        }
        .comment-item {
            padding: 0.8rem 0;
            border-bottom: 1px solid #ecf0f1;
        }
        .comment-item strong {
            color: #c0392b;
        }
        .comment-item small {
            color: #7f8c8d;
            font-size: 0.8rem;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.15rem;
            border-bottom: 2px solid #c0392b;
            padding-bottom: 0.4rem;
            margin-top: 0;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
        }
        .sidebar-links li {
            padding: 0.4rem 0;
            border-bottom: 1px dotted #ecf0f1;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.92rem;
        }
        .sidebar-links a i {
            color: #c0392b;
            width: 1rem;
            text-align: center;
        }
        .site-footer {
            background: #0b1a2a;
            color: #ccc;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 5px solid #c0392b;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #bbb;
        }
        .footer-inner a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            padding: 0.8rem 0;
            border-top: 1px solid #2c3e50;
            margin-top: 1rem;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.6rem 0.3rem 0;
            padding: 0.2rem 0.8rem;
            background: #1a2f3f;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: 0.2s;
        }
        friend-link a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #2c3e50;
            font-size: 0.85rem;
            color: #888;
        }
        .copyright strong {
            color: #ddd;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #7f8c8d;
            background: #ecf0f1;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            width: fit-content;
            margin: 0.5rem 0 1.2rem;
        }
        .last-updated i {
            color: #c0392b;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem;
                gap: 0.3rem;
                border-top: 1px solid #2c3e50;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0;
                border-bottom: 1px solid #1a2f3f;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .card {
                padding: 1.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .feature-image .img-placeholder {
                padding: 2rem 1rem;
                font-size: 1rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .container {
                padding: 0 12px;
            }
            .card {
                padding: 0.9rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
                padding-left: 0.6rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .sidebar-links a {
                font-size: 0.85rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #ecf0f1;
        }
        ::-webkit-scrollbar-thumb {
            background: #bdc3c7;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #95a5a6;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-gap {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .star-rating {
            color: #f1c40f;
            font-size: 1.4rem;
            letter-spacing: 2px;
        }
        .inline-icon {
            margin-right: 0.4rem;
        }