*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f9fafb;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: #0f3b5e;
            transition: color 0.2s;
        }
        a:hover {
            color: #d97706;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0a1f2e 0%, #1a3a4a 100%);
            color: #fff;
            padding: 12px 0 6px;
            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: 10px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #fbbf24;
            font-size: 1.8rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #94a3b8;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 14px;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #fbbf24;
            color: #fbbf24;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(251, 191, 36, 0.18);
            color: #fbbf24;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb .current {
            color: #64748b;
            font-weight: 500;
        }
        .page-wrapper {
            flex: 1;
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            color: #0a1f2e;
        }
        .article-body h1 i {
            color: #d97706;
            margin-right: 10px;
        }
        .meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            color: #64748b;
            font-size: 0.9rem;
            margin-bottom: 24px;
            padding-bottom: 18px;
            border-bottom: 2px solid #e2e8f0;
        }
        .meta-bar i {
            margin-right: 6px;
            color: #d97706;
        }
        .meta-bar .update-date {
            font-weight: 600;
            color: #1e293b;
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 46px;
            margin-bottom: 16px;
            color: #0f3b5e;
            border-left: 5px solid #d97706;
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 10px;
            color: #1a3a4a;
        }
        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 22px;
            margin-bottom: 8px;
            color: #2d4a5e;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            color: #1e293b;
        }
        .article-body p strong {
            color: #0a1f2e;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 22px 26px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #d97706;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 28px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .feature-img-wrapper {
            margin: 32px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .feature-img-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .feature-img-wrapper figcaption {
            background: #f1f5f9;
            padding: 10px 18px;
            font-size: 0.85rem;
            color: #475569;
            font-style: italic;
        }
        .internal-link-card {
            display: inline-block;
            background: #eef2f6;
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.2s;
            border: 1px solid #dde3ea;
        }
        .internal-link-card:hover {
            background: #d97706;
            color: #fff;
            border-color: #d97706;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 500px;
        }
        .table-wrap th {
            background: #0f3b5e;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .table-wrap td {
            padding: 10px 16px;
            border-bottom: 1px solid #e2e8f0;
        }
        .table-wrap tr:nth-child(even) td {
            background: #f8fafc;
        }
        .table-wrap tr:hover td {
            background: #fef9e7;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 24px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f6;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0a1f2e;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: #d97706;
        }
        .link-list {
            list-style: none;
            padding: 0;
        }
        .link-list li {
            margin-bottom: 10px;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: #f8fafc;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .link-list a:hover {
            background: #fef9e7;
            transform: translateX(4px);
        }
        .link-list a i {
            color: #d97706;
            width: 18px;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus {
            border-color: #d97706;
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
        }
        .search-form button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0 20px;
            border-radius: 30px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #d97706;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #d97706;
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 140px;
            padding: 10px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 30px;
            font-size: 0.9rem;
            outline: none;
            transition: 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: #d97706;
        }
        .comment-form .form-row button {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .comment-form .form-row button:hover {
            background: #b45309;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
            margin: 10px 0 14px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f59e0b;
            transform: scale(1.1);
        }
        .rating-stars i.active~i {
            color: #d1d5db;
        }
        .rating-submit {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
            margin-top: 6px;
        }
        .rating-submit:hover {
            background: #d97706;
        }
        .site-footer {
            background: #0a1f2e;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-col h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.92rem;
            color: #94a3b8;
        }
        .footer-col a:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 18px 22px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 12px;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 12px 6px 0;
            display: inline-block;
            font-size: 0.92rem;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        friend-link::before {
            content: "🌐 Friend Links";
            display: block;
            font-weight: 600;
            color: #fbbf24;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright strong {
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 14px 0 6px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 18px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.05);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .meta-bar {
                flex-direction: column;
                gap: 6px;
            }
            .sidebar {
                order: 2;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 10px;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: auto;
            }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 16px;
            background: #d97706;
            color: #fff;
            padding: 10px 20px;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0f3b5e;
            color: #fff;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: 0.3s;
            border: none;
            cursor: pointer;
            z-index: 500;
            opacity: 0;
            pointer-events: none;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            background: #d97706;
            transform: translateY(-3px);
        }