*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f9f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2a6f97;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #01497c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0b1b2b;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #f4c95d;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1f3a4b;
        }
        h4 {
            font-size: 1.15rem;
            color: #2d4f62;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #0b1b2b;
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f4c95d;
            background: linear-gradient(135deg, #f4c95d, #e6b23c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f4c95d;
            margin-right: 0.3rem;
            font-size: 1.4rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f4c95d;
            color: #f4c95d;
            font-size: 1.4rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
        }
        .nav-toggle:focus {
            outline: 2px solid #f4c95d;
        }
        .navbar {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .navbar a {
            color: #e8e4db;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .navbar a:hover {
            color: #f4c95d;
            border-bottom-color: #f4c95d;
            text-decoration: none;
        }
        .navbar a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            background: #e8e4db;
            padding: 0.5rem 0;
            font-size: 0.85rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #2a6f97;
        }
        .breadcrumb span {
            color: #4a4a5a;
        }
        .hero {
            background: linear-gradient(135deg, #0b1b2b 0%, #1f3a4b 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
        }
        .hero h1 {
            color: #f4c95d;
            font-size: 2.8rem;
            margin-bottom: 0.5rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 1.2rem;
            color: #d4d0c7;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #a8a49b;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .hero .meta-info i {
            color: #f4c95d;
            margin-right: 0.3rem;
        }
        .featured-image-wrap {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e8e4db;
        }
        .featured-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image-wrap figcaption {
            padding: 0.6rem 1.2rem;
            background: #e8e4db;
            font-size: 0.85rem;
            color: #3a3a4a;
            font-style: italic;
        }
        .section-padding {
            padding: 2.5rem 0;
        }
        .bg-light {
            background: #f2efe9;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            margin-bottom: 2rem;
        }
        .form-card label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1f3a4b;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d4d0c7;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #f9f7f4;
        }
        .form-card input:focus,
        .form-card textarea:focus {
            border-color: #2a6f97;
            outline: none;
            background: #fff;
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .btn {
            background: #2a6f97;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-card .btn:hover {
            background: #01497c;
            transform: translateY(-2px);
        }
        .form-card .btn i {
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d4d0c7;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: #d4d0c7;
            transition: color 0.2s;
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f4c95d;
        }
        .rating-stars {
            unicode-bidi: bidi-override;
            direction: rtl;
        }
        .rating-stars label::before {
            content: '★';
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #e8e4db;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item strong {
            color: #0b1b2b;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #6a6a7a;
        }
        .site-footer {
            background: #0b1b2b;
            color: #c8c4bb;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #f4c95d;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #a8c9e0;
        }
        .site-footer a:hover {
            color: #f4c95d;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #2a3a4a;
            padding-top: 1.5rem;
            margin-top: 1rem;
            font-size: 0.85rem;
            text-align: center;
            color: #8a8a9a;
        }
        @media (max-width: 820px) {
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 680px) {
            .nav-toggle {
                display: inline-block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 1rem;
                gap: 0.6rem;
            }
            .navbar.open {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .form-card {
                padding: 1.2rem;
            }
            .breadcrumb .container {
                font-size: 0.75rem;
            }
        }
        @media (min-width: 681px) {
            .navbar {
                display: flex !important;
            }
        }
        .highlight {
            background: #fef9e0;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .badge {
            display: inline-block;
            background: #f4c95d;
            color: #0b1b2b;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
        }
        @media (max-width: 640px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #fff;
            padding: 1.2rem 0.8rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            border-left: 4px solid #f4c95d;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #0b1b2b;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #4a5a6a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        th {
            background: #0b1b2b;
            color: #f4c95d;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e8e4db;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .btn-small {
            background: #2a6f97;
            color: #fff;
            border: none;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .btn-small:hover {
            background: #01497c;
        }
        .quote-block {
            background: #e8e4db;
            padding: 1.5rem 2rem;
            border-radius: 12px;
            border-left: 5px solid #f4c95d;
            margin: 1.5rem 0;
            font-style: italic;
        }
        .quote-block .author {
            font-style: normal;
            font-weight: 600;
            margin-top: 0.5rem;
            color: #1f3a4b;
        }
        .toc {
            background: #fff;
            padding: 1.5rem 2rem;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            margin: 1.5rem 0;
        }
        .toc ol {
            margin: 0.5rem 0 0 1.2rem;
        }
        .toc a {
            color: #2a6f97;
        }
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #2a6f97;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
            z-index: 99;
            transition: background 0.2s, transform 0.2s;
            border: none;
            cursor: pointer;
        }
        .back-to-top:hover {
            background: #01497c;
            transform: translateY(-3px);
        }
        @media (max-width: 480px) {
            .back-to-top {
                bottom: 1rem;
                right: 1rem;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .hero .meta-info {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .fa-star.checked {
            color: #f4c95d;
        }