*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #fafbfc;
            color: #1a1e2b;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0047ab;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0b132b;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b132b 0%, #1a2a5e 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1rem;
        }
        .my-logo {
            font-size: 1.65rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(90deg, #f9d423, #ff4e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9d423;
            font-size: 1.4rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e8edf5;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .nav-menu a:hover {
            color: #f9d423;
            border-bottom-color: #f9d423;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #f0f2f7;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e6ee;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.4rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #0047ab;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #f8f9ff 0%, #eef1fa 100%);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid #e2e6ee;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.4rem;
            line-height: 1.25;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #0b132b, #1a3a7a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.1rem;
            color: #2c3e50;
            max-width: 540px;
        }
        .hero-img {
            border-radius: 16px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
            background: #dce1f0;
            min-height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .hero-badge {
            display: inline-block;
            background: #e63946;
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 0.75rem;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e2e6ee;
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d0d6e2;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #0047ab;
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            background: #0047ab;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #003380;
            transform: scale(1.02);
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .article-body {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 20px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
            border-left: 5px solid #e63946;
            padding-left: 1rem;
        }
        .article-body h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #1a2a5e;
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            color: #2c3e50;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.1rem;
            color: #2d3748;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body .feature-box {
            background: #f0f5ff;
            padding: 1.2rem 1.5rem;
            border-radius: 14px;
            border-left: 5px solid #0047ab;
            margin: 1.5rem 0;
        }
        .article-body .feature-box strong {
            color: #0b132b;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #edf0f7;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #0b132b;
            border-bottom: 2px solid #eef1fa;
            padding-bottom: 0.5rem;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 0.55rem 0;
            border-bottom: 1px solid #f0f2f7;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-link-list a i {
            color: #e63946;
            font-size: 0.8rem;
        }
        .interaction-area {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 2px dashed #dce1f0;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
        }
        .comment-box,
        .rating-box {
            background: #f8f9ff;
            padding: 1.5rem;
            border-radius: 16px;
            border: 1px solid #e8ecf5;
        }
        .comment-box h3,
        .rating-box h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d0d6e2;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #0047ab;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d0d6e2;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            margin-top: 0.5rem;
        }
        .comment-box input[type="text"]:focus {
            border-color: #0047ab;
        }
        .comment-box button,
        .rating-box button {
            padding: 0.7rem 1.8rem;
            background: #0047ab;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #003380;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            margin: 0.5rem 0 0.8rem;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f9d423;
            transform: scale(1.1);
        }
        .rating-value {
            font-weight: 700;
            color: #0b132b;
            font-size: 1.1rem;
        }
        .site-footer {
            background: #0b132b;
            color: #cdd5e6;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .footer-inner a {
            color: #aab8d4;
        }
        .footer-inner a:hover {
            color: #f9d423;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            padding: 0.3rem 0;
        }
        .footer-bottom {
            border-top: 1px solid #1f2a4a;
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
        }
        .footer-bottom .copyright {
            color: #8a98b8;
        }
        friend-link {
            display: block;
            margin: 1.2rem 0 0.6rem;
            padding: 1rem 1.2rem;
            background: #121c3a;
            border-radius: 12px;
            border: 1px solid #1f2a4a;
        }
        friend-link a {
            color: #b8c8e8;
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
        }
        friend-link a:hover {
            color: #f9d423;
        }
        friend-link::before {
            content: "🌐 Friendly Links";
            display: block;
            font-weight: 600;
            color: #f9d423;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.5rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.5rem 0;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero p {
                margin: 0 auto;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-img {
                margin-top: 1rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .container {
                padding: 0 0.9rem;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: #666;
        }
        .last-updated {
            display: inline-block;
            background: #eef1fa;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #2c3e50;
            font-weight: 500;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .img-placeholder {
            background: #dce1f0;
            border-radius: 12px;
            min-height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .schema-hidden {
            display: none;
        }