        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0f0f1a;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #f5a623;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f5a623;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            color: #1e2a3a;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }
        strong {
            font-weight: 700;
            color: #c0392b;
        }
        em {
            font-style: italic;
            color: #2c3e50;
        }
        a {
            color: #e67e22;
            text-decoration: none;
            transition: color 0.2s, border-bottom 0.2s;
            border-bottom: 1px solid transparent;
        }
        a:hover,
        a:focus {
            color: #c0392b;
            border-bottom-color: #c0392b;
        }
        ul,
        ol {
            margin: 1rem 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
            margin: 2rem auto;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
            color: #fff;
            padding: 0 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 1rem 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f5a623;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #f7c948;
            border: none;
        }
        .my-logo i {
            margin-right: 8px;
            color: #e74c3c;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0e0;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 0.25s;
            border-bottom: none;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(245, 166, 35, 0.15);
            color: #f5a623;
            border-color: #f5a623;
            border-bottom: none;
        }
        .main-nav a.active {
            background: #f5a623;
            color: #0f0f1a;
            border-color: #f5a623;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f5a623;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #fff;
            padding: 0.75rem 20px;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #e67e22;
            border: none;
        }
        .breadcrumb a:hover {
            color: #c0392b;
            border: none;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .search-form {
            display: flex;
            max-width: 500px;
            margin: 1.5rem 0 2rem;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
            border: 1px solid #ddd;
            background: #fff;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
            background: transparent;
            color: #1e2a3a;
        }
        .search-form button {
            background: #f5a623;
            border: none;
            padding: 0 1.8rem;
            color: #0f0f1a;
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: #e0941a;
        }
        .content-section {
            background: #fff;
            border-radius: 20px;
            padding: 2.5rem 2.8rem;
            margin: 2rem 0;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
        }
        .content-section p:last-child {
            margin-bottom: 0;
        }
        .highlight-box {
            background: #fef9ef;
            border-left: 5px solid #f5a623;
            padding: 1.5rem 2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #c0392b;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            border-radius: 16px;
            padding: 1.5rem 1rem;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }
        .stat-card .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f5a623;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #555;
            margin-top: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #0f0f1a;
            color: #f5a623;
            font-weight: 600;
            padding: 1rem 1.2rem;
            text-align: left;
        }
        td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid #eee;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fef9ef;
        }
        .form-card {
            background: #f8f9fa;
            border-radius: 16px;
            padding: 2rem;
            margin: 1.5rem 0;
            border: 1px solid #e9ecef;
        }
        .form-card label {
            display: block;
            font-weight: 600;
            margin-top: 1.2rem;
            margin-bottom: 0.4rem;
            color: #1e2a3a;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            border-color: #f5a623;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
        }
        .form-card textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-card .btn-submit {
            background: #f5a623;
            color: #0f0f1a;
            font-weight: 700;
            padding: 0.9rem 2.5rem;
            border: none;
            border-radius: 50px;
            font-size: 1.05rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 1.5rem;
            display: inline-block;
        }
        .form-card .btn-submit:hover {
            background: #e0941a;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f5a623;
            transform: scale(1.1);
        }
        .site-footer {
            background: #0f0f1a;
            color: #bbb;
            padding: 3rem 20px 1.5rem;
            margin-top: 4rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2.5rem;
        }
        .footer-inner h4 {
            color: #f5a623;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #ccc;
            border: none;
            display: block;
            padding: 0.25rem 0;
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: #f5a623;
            border: none;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
        }
        .copyright {
            max-width: 1200px;
            margin: 2rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid #2a2a3e;
            text-align: center;
            font-size: 0.85rem;
            color: #777;
        }
        .back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #f5a623;
            color: #0f0f1a;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
            transition: transform 0.25s, background 0.25s;
            border: none;
            cursor: pointer;
            z-index: 999;
        }
        .back-top:hover {
            transform: translateY(-4px);
            background: #e0941a;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .content-section {
                padding: 1.8rem 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a1a2e;
                padding: 1rem 0;
                border-radius: 0 0 16px 16px;
                margin-top: 0.5rem;
                gap: 0.25rem;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .main-nav a {
                padding: 0.8rem 1.5rem;
                width: 100%;
                text-align: center;
                border-radius: 0;
            }
            .header-inner {
                padding: 0.8rem 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.75rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .content-section {
                padding: 1.2rem 1rem;
                border-radius: 12px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-card .number {
                font-size: 1.6rem;
            }
            .search-form {
                max-width: 100%;
                flex-direction: column;
                border-radius: 16px;
            }
            .search-form input[type="text"] {
                padding: 0.8rem 1rem;
            }
            .search-form button {
                padding: 0.8rem;
                width: 100%;
            }
            .form-card {
                padding: 1.2rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .back-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.5rem 16px;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 0.6rem 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1rem 0.5rem;
            }
            h1 {
                font-size: 1.35rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .content-section {
                padding: 1rem 0.8rem;
            }
            ul,
            ol {
                margin-left: 1.2rem;
            }
        }
        .text-muted {
            color: #777;
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .updated-badge {
            display: inline-block;
            background: #f5a623;
            color: #0f0f1a;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
