*,
        *::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, sans-serif;
            background: #f4f7fb;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #a93226;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #0b1a2a 0%, #1a2f3f 100%);
            color: #fff;
            padding: 18px 0 14px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(241, 196, 15, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f1c40f;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f1c40f;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        nav {
            display: flex;
            gap: 8px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8edf2;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: rgba(241, 196, 15, 0.15);
            color: #f1c40f;
            text-decoration: none;
        }
        .breadcrumb {
            background: #eef2f6;
            padding: 10px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #dce3ea;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        main {
            padding: 30px 0 50px;
        }
        .hero-img {
            border-radius: 18px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
            margin: 24px 0 36px;
            width: 100%;
            object-fit: cover;
            max-height: 520px;
            background: #dce3ea;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1a2a;
            margin-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a2f3f;
            margin-top: 48px;
            margin-bottom: 16px;
            border-left: 6px solid #c0392b;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #34495e;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            color: #2c3e50;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #1e2a3a;
            background: #eef2f6;
            padding: 20px 24px;
            border-radius: 14px;
            border-left: 6px solid #c0392b;
            margin-bottom: 28px;
        }
        .highlight {
            background: linear-gradient(120deg, #f9e79f 0%, #f7dc6f 80%);
            padding: 0 6px;
            font-weight: 600;
            border-radius: 4px;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        ul,
        ol {
            margin: 12px 0 22px 28px;
        }
        li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #e8edf2;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
        }
        .card i {
            font-size: 2.4rem;
            color: #c0392b;
            margin-bottom: 12px;
        }
        .card h4 {
            margin-top: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 14px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.98rem;
        }
        th {
            background: #1a2f3f;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #e8edf2;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .faq-item {
            background: #fff;
            border-radius: 12px;
            padding: 18px 22px;
            margin-bottom: 12px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf2;
        }
        .faq-item h4 {
            margin: 0 0 6px 0;
            color: #c0392b;
            font-size: 1.1rem;
        }
        .faq-item p {
            margin: 0;
        }
        .form-section {
            background: #fff;
            border-radius: 18px;
            padding: 28px 30px;
            margin: 36px 0;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8edf2;
        }
        .form-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            font-size: 0.95rem;
            color: #1e2a3a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ea;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafcfe;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c0392b;
            outline: none;
            box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.1);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #a93226;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(192, 57, 43, 0.3);
        }
        .btn-secondary {
            background: #2c3e50;
        }
        .btn-secondary:hover {
            background: #1a2f3f;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            cursor: pointer;
            color: #dce3ea;
            transition: color 0.15s;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f1c40f;
            transform: scale(1.1);
        }
        .star-rating i.selected {
            color: #f1c40f;
        }
        footer {
            background: #0b1a2a;
            color: #c8d6e5;
            padding: 40px 0 20px;
            border-top: 4px solid #c0392b;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        footer h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        footer a {
            color: #a4b8cc;
        }
        footer a:hover {
            color: #f1c40f;
            text-decoration: none;
        }
        footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        footer ul li {
            margin-bottom: 8px;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 12px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 20px;
            grid-column: 1 / -1;
        }
        .friend-link a {
            font-size: 0.92rem;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
        }
        .friend-link a:hover {
            border-bottom-color: #f1c40f;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        .last-updated {
            display: inline-block;
            background: rgba(241, 196, 15, 0.12);
            color: #f1c40f;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 18px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background: #0f2233;
                padding: 16px 20px;
                border-radius: 12px;
                margin-top: 8px;
                gap: 6px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 10px 12px;
                border-radius: 8px;
            }
            nav a:hover {
                background: rgba(241, 196, 15, 0.1);
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-img {
                max-height: 280px;
            }
            .form-section {
                padding: 20px 16px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb ol {
                gap: 4px 8px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }
        .img-placeholder {
            background: linear-gradient(110deg, #dce3ea 30%, #edf2f7 50%, #dce3ea 70%);
            background-size: 200% 100%;
            animation: shimmer 1.8s infinite;
            border-radius: 18px;
            min-height: 300px;
        }
        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }