        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1b2d;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #ff6b35;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #0057b3;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #1f3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2d4a72;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e, #1a2f4a);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ff6b35, #f7c948);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f7c948;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .navbar {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .navbar a {
            color: #e0e7f0;
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.3rem 0;
        }
        .navbar a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #ff6b35;
            transition: width 0.3s;
        }
        .navbar a:hover::after,
        .navbar a:focus::after {
            width: 100%;
        }
        .navbar a:hover {
            text-decoration: none;
            color: #ffb347;
        }
        .breadcrumb {
            background: #e9edf4;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d8e8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: '›';
            margin-right: 0.6rem;
            color: #7a8a9e;
        }
        .breadcrumb a {
            color: #2d4a72;
        }
        .breadcrumb .current {
            color: #7a8a9e;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f1b2d 0%, #1a2f4a 60%, #2d4a72 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 6px solid #ff6b35;
        }
        .hero h1 {
            color: #fff;
            border-bottom: none;
            font-size: 2.6rem;
            margin-top: 0;
            margin-bottom: 0.5rem;
            text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 800px;
            margin: 0.5rem auto 1.2rem;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            opacity: 0.7;
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .hero .meta-info i {
            margin-right: 0.4rem;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #d0d8e8;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ff6b35;
        }
        .search-form button {
            padding: 0.75rem 1.8rem;
            background: #0057b3;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #003f8a;
            transform: scale(1.02);
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e9edf4;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #ff6b35;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f2f7;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a i {
            color: #ff6b35;
            width: 1.2rem;
            text-align: center;
        }
        .content-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .content-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .content-image figcaption {
            background: #f0f2f7;
            padding: 0.8rem 1.2rem;
            font-size: 0.85rem;
            color: #4a5a72;
            text-align: center;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 6px solid #0057b3;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box.orange {
            background: #fff6ed;
            border-left-color: #ff6b35;
        }
        .highlight-box.green {
            background: #edf7f0;
            border-left-color: #2a9d66;
        }
        .interaction-area {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 2px dashed #d0d8e8;
        }
        .rating-block {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            align-items: center;
            background: #f8faff;
            padding: 1.2rem 1.8rem;
            border-radius: 14px;
            margin-bottom: 2rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ffb347;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.2s, color 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.3);
            color: #ff6b35;
        }
        .rating-stars i.active {
            color: #ff6b35;
        }
        .rating-form button,
        .comment-form button {
            padding: 0.6rem 1.6rem;
            background: #0057b3;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #003f8a;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d0d8e8;
            border-radius: 12px;
            font-size: 1rem;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            transition: border 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #ff6b35;
            outline: none;
        }
        .comment-form input[type="text"] {
            padding: 0.6rem 1rem;
            border: 2px solid #d0d8e8;
            border-radius: 30px;
            font-size: 0.95rem;
            width: 100%;
            max-width: 320px;
            transition: border 0.3s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #ff6b35;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 1rem;
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .styled-table thead {
            background: #0f1b2d;
            color: #fff;
        }
        .styled-table th,
        .styled-table td {
            padding: 0.8rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #e9edf4;
        }
        .styled-table tbody tr:hover {
            background: #f0f7ff;
        }
        .styled-table tbody tr:nth-child(even) {
            background: #fafbfd;
        }
        .site-footer {
            background: #0b1a2e;
            color: #bcc9db;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f7c948;
            margin-top: 0;
            font-size: 1rem;
            letter-spacing: 0.5px;
        }
        .footer-inner a {
            color: #bcc9db;
        }
        .footer-inner a:hover {
            color: #ffb347;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-inner ul li {
            padding: 0.25rem 0;
        }
        .footer-bottom {
            border-top: 1px solid #2a3f5a;
            padding-top: 1.2rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
        }
        .footer-bottom .copyright {
            color: #8a9bb0;
        }
        friend-link {
            display: block;
            margin-top: 0.6rem;
            font-size: 0.85rem;
            color: #8a9bb0;
        }
        friend-link a {
            color: #bcc9db;
            margin: 0 0.3rem;
        }
        friend-link a:hover {
            color: #ffb347;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding-top: 1rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.8rem;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                font-size: 1.05rem;
                padding: 0.4rem 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-body {
                padding: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .rating-block {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .styled-table {
                font-size: 0.85rem;
            }
            .styled-table th,
            .styled-table td {
                padding: 0.5rem 0.6rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 12px;
            }
            .content-body {
                padding: 0.8rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #ff6b35;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
            cursor: pointer;
            transition: transform 0.3s, opacity 0.3s;
            opacity: 0;
            pointer-events: none;
            z-index: 99;
            border: none;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            transform: scale(1.1);
        }
