*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
            background: #f4f7fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #004e8c;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b1e2e;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #e63946;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #e63946;
            padding-left: 1rem;
            background: linear-gradient(to right, #f0f6ff, transparent);
        }
        h3 {
            font-size: 1.5rem;
            color: #004e8c;
        }
        h4 {
            font-size: 1.2rem;
            color: #2a3f54;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        strong {
            color: #0b1e2e;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1e2e 0%, #1a3a5a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #f8d210, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
            text-decoration: none !important;
            display: inline-block;
            padding: 0.2rem 0;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none !important;
        }
        .my-logo i {
            -webkit-text-fill-color: #f8d210;
            margin-right: 6px;
            font-size: 1.6rem;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #eef4ff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f8d210;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.9rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d9e4;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #004e8c;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #e63946;
        }
        .breadcrumb span {
            color: #5a6e7e;
        }
        .breadcrumb .separator {
            color: #8a9aa8;
            margin: 0 0.2rem;
        }
        .hero {
            background: linear-gradient(135deg, #0f2a3f, #1b4a6e);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            color: #fff;
            border-bottom-color: #f8d210;
            font-size: 2.6rem;
        }
        .hero p {
            color: #dce6f0;
            font-size: 1.2rem;
            max-width: 800px;
            margin-top: 0.5rem;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #b8cde0;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #f8d210;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 700;
            color: #0b1e2e;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section form {
            display: flex;
            flex: 1;
            min-width: 240px;
            gap: 0.6rem;
        }
        .search-section input[type="text"] {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d0d9e4;
            border-radius: 50px;
            font-size: 1rem;
            transition: border 0.3s;
            outline: none;
        }
        .search-section input[type="text"]:focus {
            border-color: #e63946;
        }
        .search-section button {
            background: #e63946;
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #c1121f;
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .main-content {
            background: #fff;
            border-radius: 24px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background: #fff;
            border-radius: 24px;
            padding: 1.8rem 1.8rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 2px solid #e63946;
            padding-bottom: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eef2f6;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar ul li a i {
            color: #e63946;
            width: 20px;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0f4fa;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #3a4e62;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.98rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0b1e2e;
            color: #fff;
            padding: 0.9rem 1.2rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid #e8edf3;
        }
        .data-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .data-table tr:hover td {
            background: #eef4fb;
        }
        .interaction-section {
            background: #f8fafc;
            border-radius: 20px;
            padding: 2rem 2rem;
            margin-top: 2.5rem;
            border: 1px solid #e6edf5;
        }
        .interaction-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 1.2rem;
        }
        .interaction-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interaction-box textarea,
        .interaction-box input[type="text"],
        .interaction-box input[type="number"],
        .interaction-box select {
            padding: 0.8rem 1rem;
            border: 2px solid #d0d9e4;
            border-radius: 12px;
            font-size: 0.98rem;
            font-family: inherit;
            transition: border 0.3s;
            outline: none;
            width: 100%;
        }
        .interaction-box textarea:focus,
        .interaction-box input:focus,
        .interaction-box select:focus {
            border-color: #e63946;
        }
        .interaction-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interaction-box button {
            background: #004e8c;
            color: #fff;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            justify-content: center;
        }
        .interaction-box button:hover {
            background: #00315a;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #f1c40f;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.2s, color 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
            color: #f39c12;
        }
        .site-footer {
            background: #0b1e2e;
            color: #cbd8e8;
            padding: 2.5rem 0 1.2rem;
            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: #f8d210;
            margin-top: 0;
            font-size: 1.2rem;
        }
        .footer-grid a {
            color: #b0c8dc;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.92rem;
        }
        .footer-grid a:hover {
            color: #f8d210;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid #1f3a52;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.88rem;
            color: #8aa0b5;
        }
        .footer-bottom a {
            color: #f8d210;
        }
        friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            padding: 0.2rem 0;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.8rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 0.8rem;
                width: 100%;
                border-radius: 6px;
            }
            .main-content {
                padding: 1.5rem 1.2rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 2rem 0 1.8rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
                padding: 1.5rem 1.2rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.6rem 0.8rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .main-content {
                padding: 1.2rem 0.8rem;
                border-radius: 16px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .interaction-section {
                padding: 1.2rem 1rem;
            }
        }
        .highlight-box {
            background: #eef4fb;
            border-left: 6px solid #e63946;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .tag {
            display: inline-block;
            background: #e63946;
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .emoji-lg {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .spacer {
            height: 1.2rem;
        }
        .two-col-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.6rem 1.8rem;
        }
        @media (max-width: 600px) {
            .two-col-list {
                grid-template-columns: 1fr;
            }
        }
        .btn-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #e63946;
            color: #fff;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-top:hover {
            transform: scale(1.08);
            background: #c1121f;
        }
        @media (max-width: 600px) {
            .btn-top {
                bottom: 16px;
                right: 16px;
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }