*,
        *::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: #1e2a3a;
            line-height: 1.8;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0a58ca;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.8rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b1a2a;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 3px solid #e63946;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #1d3557;
        }
        h4 {
            font-size: 1.2rem;
            color: #2b4a6f;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        strong {
            color: #b22222;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2a 0%, #1d3557 100%);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #f1c40f;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 2px 8px rgba(241, 196, 15, 0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #f1c40f;
            text-decoration: none;
        }
        .my-logo span {
            color: #e63946;
            font-weight: 300;
        }
        .my-logo small {
            display: block;
            font-size: 0.7rem;
            color: #a8dadc;
            letter-spacing: 1px;
            font-weight: 400;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .main-nav a {
            color: #f1faee;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            transition: background 0.3s ease, color 0.2s ease;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            background: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
            text-decoration: none;
        }
        .main-nav .active {
            background: #e63946;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 2rem;
            background: none;
            border: none;
            color: #f1faee;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb-wrap {
            background: #e9ecef;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d4d9e0;
        }
        .breadcrumb-wrap nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap nav ol li {
            margin-bottom: 0;
        }
        .breadcrumb-wrap nav ol li::after {
            content: "/";
            margin-left: 0.6rem;
            color: #6c757d;
        }
        .breadcrumb-wrap nav ol li:last-child::after {
            content: none;
        }
        .breadcrumb-wrap nav ol li a {
            color: #0d6efd;
        }
        .breadcrumb-wrap nav ol li span {
            color: #495057;
            font-weight: 500;
        }
        .search-block {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e0e5ec;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            max-width: 640px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d4d9e0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
            background: #f8f9fa;
        }
        .search-form input:focus {
            border-color: #e63946;
            background: #fff;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form button:hover {
            background: #c1121f;
            transform: scale(1.02);
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            padding: 2rem 2.5rem;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
        }
        .content-sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0f2f5;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #495057;
            font-style: italic;
            text-align: center;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border-left: 4px solid #e63946;
        }
        .sidebar-card h3 {
            font-size: 1.3rem;
            margin-top: 0;
            margin-bottom: 1rem;
            color: #0b1a2a;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #edf0f5;
            margin-bottom: 0;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list li a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 500;
            color: #1d3557;
            transition: color 0.2s, padding-left 0.2s;
        }
        .sidebar-link-list li a:hover {
            color: #e63946;
            padding-left: 4px;
            text-decoration: none;
        }
        .sidebar-link-list li a i {
            color: #e63946;
            width: 1.2rem;
            text-align: center;
        }
        .rating-block,
        .comment-block {
            background: #fff;
            padding: 1.8rem 2rem;
            border-radius: 14px;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border-top: 4px solid #e63946;
        }
        .rating-block h3,
        .comment-block h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            cursor: pointer;
            color: #e0e0e0;
            transition: color 0.2s;
            margin: 0.6rem 0 1rem;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f1c40f;
            transform: scale(1.1);
        }
        .rating-form select,
        .rating-form button,
        .comment-form textarea,
        .comment-form input,
        .comment-form button {
            padding: 0.7rem 1.2rem;
            border-radius: 8px;
            border: 2px solid #d4d9e0;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
            width: 100%;
            margin-bottom: 1rem;
        }
        .rating-form select:focus,
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #e63946;
        }
        .rating-form button,
        .comment-form button {
            background: #e63946;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s;
            width: auto;
            padding: 0.7rem 2.4rem;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #c1121f;
            transform: scale(1.02);
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .form-row input {
            flex: 1;
            min-width: 160px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .data-table thead {
            background: #1d3557;
            color: #fff;
        }
        .data-table th,
        .data-table td {
            padding: 0.8rem 1.2rem;
            border: 1px solid #d4d9e0;
            text-align: left;
        }
        .data-table tbody tr:nth-child(even) {
            background: #f8f9fa;
        }
        .data-table tbody tr:hover {
            background: #e9ecef;
        }
        .site-footer {
            background: #0b1a2a;
            color: #a8dadc;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 4px solid #e63946;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.5rem;
        }
        .footer-grid ul li a {
            color: #a8dadc;
            transition: color 0.2s;
        }
        .footer-grid ul li a:hover {
            color: #f1c40f;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid #1d3557;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom .copyright {
            color: #6c8aa0;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
            border-top: 1px solid #1d3557;
            margin-top: 1.2rem;
            font-size: 0.95rem;
            color: #a8dadc;
        }
        friend-link a {
            color: #f1c40f;
            margin: 0 0.6rem;
        }
        friend-link a:hover {
            color: #fff;
            text-decoration: none;
        }
        .last-updated {
            display: inline-block;
            background: #f0f2f5;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #495057;
            margin-bottom: 1.2rem;
            border: 1px solid #d4d9e0;
        }
        .last-updated i {
            margin-right: 0.5rem;
            color: #e63946;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                order: 2;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .content-body {
                order: 1;
                padding: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1d3557;
                padding: 1rem 0;
                border-radius: 0 0 12px 12px;
                gap: 0.2rem;
                margin-top: 0.8rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 0;
                border-bottom: 1px solid #2b4a6f;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .content-body {
                padding: 1rem;
            }
            .content-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.6rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .rating-block,
            .comment-block {
                padding: 1.2rem;
            }
            .form-row {
                flex-direction: column;
            }
            .form-row input {
                width: 100%;
            }
            .sidebar-card {
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .content-body {
                padding: 0.8rem;
                border-radius: 8px;
            }
            .breadcrumb-wrap nav ol {
                font-size: 0.8rem;
                gap: 0.2rem 0.4rem;
            }
        }
        .text-muted {
            color: #6c757d;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .highlight-box {
            background: #fff8e1;
            border-left: 4px solid #f1c40f;
            padding: 1.2rem 1.8rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #b22222;
        }
        .tip-box {
            background: #e8f4fd;
            border-left: 4px solid #0d6efd;
            padding: 1.2rem 1.8rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .tip-box strong {
            color: #0d6efd;
        }
        .two-col-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.6rem 1.8rem;
        }
        @media (max-width: 600px) {
            .two-col-list {
                grid-template-columns: 1fr;
            }
        }