*,
        *::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: #f5f7fc;
            color: #1e2a41;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #c0392b;
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e, #132b44);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: #f1c40f;
            text-shadow: 0 2px 8px rgba(241, 196, 15, 0.25);
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2rem;
            color: #e74c3c;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #bdc3c7;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .primary-nav a {
            color: #e0e6ed;
            padding: 0.45rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .primary-nav a:hover,
        .primary-nav a:focus {
            background: rgba(241, 196, 15, 0.15);
            color: #f1c40f;
            text-decoration: none;
        }
        .primary-nav a.active {
            background: #c0392b;
            color: #fff;
        }
        .breadcrumb-wrap {
            background: #eef1f7;
            padding: 0.6rem 0;
            border-bottom: 1px solid #dce1ec;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.5rem;
            font-size: 0.85rem;
            color: #5a6a7e;
        }
        .breadcrumb a {
            color: #2c3e50;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb .sep {
            color: #95a5a6;
            font-weight: 300;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        main {
            padding: 2rem 0 3rem;
        }
        article {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            margin-bottom: 2.5rem;
        }
        article h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b1a2e;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            border-left: 6px solid #c0392b;
            padding-left: 1.2rem;
        }
        article h1 i {
            color: #f1c40f;
            margin-right: 0.5rem;
        }
        .meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 2rem;
            font-size: 0.9rem;
            color: #6a7a8e;
            margin-bottom: 1.8rem;
            padding-bottom: 1rem;
            border-bottom: 2px dashed #e0e6ed;
        }
        .meta-bar span i {
            margin-right: 0.4rem;
            color: #c0392b;
        }
        .last-updated {
            font-weight: 600;
            color: #2c3e50;
        }
        article h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #132b44;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #f1c40f;
        }
        article h2 i {
            color: #c0392b;
            margin-right: 0.6rem;
        }
        article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1e2a41;
            margin: 1.8rem 0 0.8rem;
        }
        article h3 i {
            color: #f39c12;
            margin-right: 0.5rem;
        }
        article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c3e50;
            margin: 1.2rem 0 0.5rem;
        }
        article p {
            margin-bottom: 1rem;
            font-size: 1.02rem;
            color: #2c3e50;
        }
        article .highlight {
            background: #fef9e7;
            border-left: 4px solid #f1c40f;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        article .highlight strong {
            color: #c0392b;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        .featured-img img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-img figcaption {
            background: rgba(11, 26, 46, 0.85);
            color: #f1c40f;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            text-align: center;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
        }
        .data-table thead {
            background: #132b44;
            color: #fff;
        }
        .data-table th,
        .data-table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8ecf3;
        }
        .data-table tbody tr:hover {
            background: #f8fafd;
        }
        .search-section {
            background: linear-gradient(135deg, #0b1a2e, #1a334a);
            color: #fff;
            padding: 2.5rem 2rem;
            border-radius: 20px;
            margin: 2.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        }
        .search-section h2 {
            color: #f1c40f;
            border-bottom: none;
            margin-top: 0;
            font-size: 1.8rem;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.9rem 1.2rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1e2a41;
            transition: box-shadow 0.3s;
        }
        .search-form input[type="text"]:focus {
            box-shadow: 0 0 0 4px rgba(241, 196, 15, 0.3);
        }
        .search-form button {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #e74c3c;
            transform: translateY(-2px);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .comment-box,
        .rating-box {
            background: #f8fafd;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #e8ecf3;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #0b1a2e;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dce1ec;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #c0392b;
            outline: none;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce1ec;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-top: 0.6rem;
        }
        .comment-box input[type="text"]:focus {
            border-color: #c0392b;
            outline: none;
        }
        .btn-primary {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: #e74c3c;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
            margin: 0.8rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #dce1ec;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
            transform: scale(1.1);
        }
        .rating-display {
            font-size: 1.1rem;
            color: #2c3e50;
            margin-top: 0.5rem;
        }
        friend-link {
            display: block;
            background: #f0f3f9;
            padding: 1.8rem 2rem;
            border-radius: 16px;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #dce1ec;
        }
        friend-link h3 {
            font-size: 1.3rem;
            color: #0b1a2e;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.2rem;
        }
        friend-link li a {
            background: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #dce1ec;
            transition: all 0.25s;
            display: inline-block;
        }
        friend-link li a:hover {
            background: #c0392b;
            color: #fff;
            border-color: #c0392b;
            text-decoration: none;
        }
        .site-footer {
            background: #0b1a2e;
            color: #bdc3c7;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem 2rem;
            font-size: 0.9rem;
        }
        .footer-inner .copyright {
            color: #95a5a6;
        }
        .footer-inner .copyright strong {
            color: #f1c40f;
        }
        @media (max-width: 992px) {
            article {
                padding: 1.5rem;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.6rem;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1a2e;
                padding: 0.75rem 0;
                border-radius: 0 0 16px 16px;
                gap: 0;
                margin-top: 0.5rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.7rem 1.5rem;
                border-radius: 0;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .primary-nav a.active {
                background: transparent;
                color: #f1c40f;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            article {
                padding: 1.2rem;
                border-radius: 12px;
            }
            article h1 {
                font-size: 1.6rem;
                padding-left: 0.8rem;
            }
            article h2 {
                font-size: 1.3rem;
            }
            article h3 {
                font-size: 1.1rem;
            }
            .search-section {
                padding: 1.5rem 1.2rem;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.4rem;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.6rem;
            }
            article h1 {
                font-size: 1.3rem;
            }
            .meta-bar {
                font-size: 0.8rem;
                gap: 0.3rem 1rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #c0392b;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 15px rgba(192, 57, 43, 0.3);
            transition: all 0.3s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #e74c3c;
            transform: translateY(-4px);
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }