*,
        *::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, Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover,
        a:focus-visible {
            color: #d97706;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #d97706;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e40af;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .badge {
            display: inline-block;
            background: #d97706;
            color: #fff;
            font-size: .75rem;
            font-weight: 600;
            padding: .2rem .8rem;
            border-radius: 20px;
            letter-spacing: .5px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2a3e 0%, #1a4b6b 100%);
            color: #fff;
            padding: 0.8rem 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: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #fbbf24;
        }
        .my-logo:hover {
            color: #fde68a;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-list a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 0.6rem 0 0.2rem 0;
            font-size: 0.85rem;
            color: #94a3b8;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            color: #fbbf24;
        }
        .breadcrumb .sep {
            color: #64748b;
        }
        .hero {
            background: linear-gradient(145deg, #0f3b5e, #1a5a7a);
            color: #fff;
            padding: 2.5rem 0 2rem;
            border-radius: 0 0 40px 40px;
            margin-bottom: 2.5rem;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero h1 {
            color: #fff;
            border-left-color: #fbbf24;
            font-size: 2.4rem;
            margin-top: 0;
        }
        .hero p {
            font-size: 1.15rem;
            color: #d1dbe8;
            margin-bottom: 1.5rem;
        }
        .hero-img-wrap {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }
        .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 250px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            margin-top: 1.2rem;
        }
        .hero-stats div {
            text-align: center;
        }
        .hero-stats .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fbbf24;
            display: block;
        }
        .hero-stats .label {
            font-size: 0.85rem;
            color: #b0c4de;
        }
        .search-section {
            background: #fff;
            border-radius: 20px;
            padding: 1.5rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #0f3b5e;
            box-shadow: 0 0 0 4px rgba(15, 59, 94, 0.1);
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .article-body {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .article-body .featured-img {
            margin: 1.5rem 0;
            border-radius: 16px;
            overflow: hidden;
        }
        .article-body .featured-img img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .article-body .img-caption {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 0.3rem;
            text-align: center;
        }
        .article-body blockquote {
            border-left: 5px solid #d97706;
            background: #fef9ef;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #334155;
        }
        .article-body .highlight-box {
            background: #eef6ff;
            border-radius: 16px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-left: 6px solid #1e40af;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 1.2rem 0;
        }
        .link-list-inline li a {
            background: #f1f5f9;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            display: inline-block;
            border: 1px solid #e2e8f0;
            transition: 0.2s;
        }
        .link-list-inline li a:hover {
            background: #d97706;
            color: #fff;
            border-color: #d97706;
            text-decoration: none;
        }
        .updated-badge {
            display: inline-block;
            background: #e2e8f0;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #475569;
            margin-bottom: 1rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #f1f5f9;
            padding-bottom: 0.6rem;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar-links li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.95rem;
        }
        .sidebar-links a i {
            color: #d97706;
            width: 1.2rem;
        }
        .interaction-section {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            margin-top: 2.5rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 16px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #0f3b5e;
            outline: none;
            box-shadow: 0 0 0 4px rgba(15, 59, 94, 0.08);
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 60px;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            transition: 0.3s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #0f3b5e;
            outline: none;
        }
        .comment-form button {
            padding: 0.7rem 2rem;
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
        }
        .comment-form button:hover {
            background: #d97706;
        }
        .star-rating {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: 0.2s;
        }
        .stars i.active {
            color: #f59e0b;
        }
        .stars i:hover {
            color: #f59e0b;
            transform: scale(1.15);
        }
        .rating-score {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0f3b5e;
        }
        .site-footer {
            background: #0b2a3e;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #94a3b8;
            display: block;
            margin: 0.3rem 0;
        }
        .footer-grid a:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 1px solid #1e4a6b;
            margin-top: 1rem;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #94a3b8;
            margin-right: 1.5rem;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1e4a6b;
            font-size: 0.85rem;
            color: #64748b;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .hero-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: #0b2a3e;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 1rem 1.5rem;
                gap: 0.8rem;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                font-size: 1.1rem;
                padding: 0.5rem 0;
            }
            .header-inner {
                position: relative;
            }
            .hero {
                padding: 1.5rem 0 1.5rem;
            }
            .hero-stats {
                gap: 1rem 1.5rem;
            }
            .hero-stats .num {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .search-section {
                padding: 1.2rem 1rem;
            }
            .interaction-section {
                padding: 1.2rem 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                min-width: auto;
                width: 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .stars {
                font-size: 1.6rem;
            }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #d97706;
            color: #fff;
            padding: 0.5rem 1.5rem;
            border-radius: 0 0 8px 8px;
            z-index: 10000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        :focus-visible {
            outline: 3px solid #d97706;
            outline-offset: 2px;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .nav-list {
            transition: all 0.3s ease;
        }
        .sidebar-card,
        .article-body,
        .interaction-section,
        .search-section {
            transition: transform 0.2s ease;
        }
        .sidebar-card:hover,
        .article-body:hover,
        .interaction-section:hover {
            transform: translateY(-2px);
        }