*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background: #f8fafc;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0d3b66;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #f4a261;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1.2rem;
            color: #0a1f3b;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.8rem 0 1.2rem;
            color: #0d3b66;
            border-bottom: 4px solid #f4a261;
            padding-bottom: 0.4rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem;
            color: #1a4a7a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.4rem 0 0.6rem;
            color: #2a5f8f;
        }
        p {
            margin: 0 0 1.2rem;
            font-size: 1.05rem;
            color: #1e293b;
        }
        .text-small {
            font-size: 0.92rem;
            color: #5a6b7a;
        }
        .text-muted {
            color: #6b7a8a;
        }
        .fw-bold {
            font-weight: 700;
        }
        .fw-800 {
            font-weight: 800;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a1f3b 0%, #0d3b66 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f4a261, #e76f51);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            -webkit-text-fill-color: #fff;
            color: #fff;
            background: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            background: rgba(244, 162, 97, 0.2);
            color: #f4a261;
            text-decoration: none;
        }
        .nav-menu a.active {
            background: rgba(244, 162, 97, 0.25);
            color: #f4a261;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #8a9aa8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0d3b66;
        }
        .breadcrumb .current {
            color: #5a6b7a;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #0d3b66 0%, #1a4a7a 100%);
            color: #fff;
            padding: 3rem 0 2.8rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .hero p {
            color: #d0e1f0;
            font-size: 1.2rem;
            max-width: 800px;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            margin-top: 1.5rem;
            font-size: 0.95rem;
            color: #b0cadd;
        }
        .hero .meta-info i {
            margin-right: 0.4rem;
            color: #f4a261;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0 3rem;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e9edf2;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            color: #0d3b66;
            border-bottom: 2px solid #f4a261;
            padding-bottom: 0.3rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: #1a4a7a;
            font-weight: 500;
            display: block;
            padding: 0.2rem 0;
        }
        .sidebar-card a:hover {
            color: #e76f51;
        }
        .featured-image {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #fff;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #5a6b7a;
            border-top: 1px solid #e9edf2;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e9edf2;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e293b;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce1e8;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #f9fafb;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f4a261;
            box-shadow: 0 0 0 4px rgba(244, 162, 97, 0.15);
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            background: #0d3b66;
            color: #fff;
        }
        .btn:hover {
            background: #1a4a7a;
            transform: translateY(-2px);
        }
        .btn-primary {
            background: #f4a261;
            color: #0a1f3b;
        }
        .btn-primary:hover {
            background: #e76f51;
            color: #fff;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #dce1e8;
            cursor: pointer;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            transition: color 0.2s;
            color: #dce1e8;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f4a261;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #e9edf2;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #0d3b66;
        }
        .comment-date {
            font-size: 0.85rem;
            color: #8a9aa8;
            margin-left: 0.8rem;
        }
        .site-footer {
            background: #0a1f3b;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #f4a261;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b0cadd;
        }
        .site-footer a:hover {
            color: #f4a261;
        }
        .site-footer friend-link {
            display: block;
            margin: 0.3rem 0;
        }
        .copyright {
            border-top: 1px solid #1a3a5a;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: #8a9aa8;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .content-area {
                order: 1;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0a1f3b;
                padding: 0.8rem 0;
                border-radius: 12px;
                margin-top: 0.5rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 1.2rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-menu a:last-child {
                border-bottom: none;
            }
            .hero {
                padding: 2rem 0 1.8rem;
                border-radius: 0 0 24px 24px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .form-card {
                padding: 1.2rem;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer {
                border-radius: 24px 24px 0 0;
                padding: 1.8rem 0 1rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }
        .space-between {
            justify-content: space-between;
        }
        .highlight {
            background: #fff8e7;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #f4a261;
            color: #0a1f3b;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, #f4a261, transparent);
            margin: 2rem 0;
            border: none;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e9edf2;
        }
        th {
            background: #0d3b66;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8fafc;
        }
        .blockquote {
            border-left: 4px solid #f4a261;
            padding: 0.8rem 1.5rem;
            margin: 1.5rem 0;
            background: #fefcf5;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3f55;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: #0d3b66;
        }