*,
        *::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, sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0a66c2;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #064079;
            text-decoration: underline;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #0b1a2b;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #f9a826;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f9a826;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        hr {
            margin: 2rem 0;
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, #ddd, #f9a826, #ddd);
        }
        strong {
            color: #0b1a2b;
        }
        .badge {
            display: inline-block;
            background: #f9a826;
            color: #0b1a2b;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        header {
            background: #0b1a2b;
            color: #fff;
            padding: 1rem 1.5rem;
            border-radius: 0 0 20px 20px;
            margin: 0 -1rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f9a826;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9a826, #ff7b00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #aac;
            -webkit-text-fill-color: #aac;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f9a826;
            color: #f9a826;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f9a826;
            color: #0b1a2b;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            align-items: center;
            list-style: none;
            margin: 0;
        }
        .nav-menu li a {
            color: #eef;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu li a:hover {
            border-bottom-color: #f9a826;
            color: #f9a826;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 1rem;
            border-radius: 30px;
            margin: 1rem 0 1.5rem;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #888;
            margin-right: 0.6rem;
        }
        .breadcrumb a {
            color: #0a66c2;
        }
        .breadcrumb .active {
            color: #555;
            font-weight: 600;
        }
        .search-box {
            background: #fff;
            border-radius: 40px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            max-width: 500px;
            margin: 1.5rem 0;
            border: 1px solid #ddd;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            background: transparent;
            font-family: inherit;
        }
        .search-box button {
            background: #f9a826;
            border: none;
            border-radius: 40px;
            padding: 0.5rem 1.2rem;
            cursor: pointer;
            font-weight: 600;
            color: #0b1a2b;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #e59500;
            transform: scale(1.02);
        }
        .section-card {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.3s;
        }
        .section-card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .hero-img-wrap {
            margin: 1.5rem 0;
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            background: #0b1a2b;
        }
        .hero-img-wrap img {
            width: 100%;
            display: block;
            transition: transform 0.4s;
        }
        .hero-img-wrap:hover img {
            transform: scale(1.02);
        }
        .hero-img-wrap figcaption {
            background: rgba(11, 26, 43, 0.75);
            color: #f5f7fa;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 0.6rem 1rem;
            margin: 1.2rem 0;
            padding: 0;
            list-style: none;
        }
        .link-grid li a {
            display: block;
            padding: 0.5rem 1rem;
            background: #f0f4fe;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            border: 1px solid #dde6f5;
        }
        .link-grid li a:hover {
            background: #f9a826;
            color: #0b1a2b;
            border-color: #f9a826;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .link-grid li a i {
            margin-right: 0.4rem;
            color: #f9a826;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #ccc;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fafcff;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #f9a826;
            outline: none;
            box-shadow: 0 0 0 3px rgba(249, 168, 38, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-primary {
            background: #f9a826;
            color: #0b1a2b;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: #e59500;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(249, 168, 38, 0.35);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9a826;
        }
        footer {
            background: #0b1a2b;
            color: #ccd;
            padding: 2rem 1.5rem 1.2rem;
            border-radius: 20px 20px 0 0;
            margin: 3rem -1rem -1rem;
        }
        friend-link {
            display: block;
            margin: 1.2rem 0;
            padding: 1rem 0;
            border-top: 1px solid #2a3a4a;
            border-bottom: 1px solid #2a3a4a;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            color: #aac;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #f9a826;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 1.2rem;
            letter-spacing: 0.3px;
        }
        .copyright strong {
            color: #f9a826;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            header {
                padding: 0.8rem 1rem;
                margin: 0 -0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0.2rem;
                background: #122a3e;
                padding: 1rem;
                border-radius: 16px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 0.5rem;
                border-bottom: 1px solid #2a3a4a;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .section-card {
                padding: 1.2rem 1rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            footer {
                padding: 1.5rem 1rem 1rem;
                margin: 2rem -0.6rem -0.6rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 20px;
                padding: 0.8rem;
                gap: 0.5rem;
            }
            .search-box button {
                justify-content: center;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none;
            }
            .nav-menu {
                display: flex !important;
            }
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .highlight-box {
            background: #fef7e8;
            border-left: 5px solid #f9a826;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .flex-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            justify-content: space-between;
        }
        .stat-item {
            background: #f0f4fe;
            padding: 1rem 1.6rem;
            border-radius: 16px;
            text-align: center;
            flex: 1 1 120px;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #f9a826;
        }
        .stat-item .label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #556;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fafcff;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eef2f7;
        }
        th {
            background: #0b1a2b;
            color: #f9a826;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fef7e8;
        }