*,
        *::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: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: #e63946;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #b71c1c;
            text-decoration: underline;
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b090a;
            margin-top: 0;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #e63946;
            padding-left: 1rem;
            margin-top: 3rem;
            margin-bottom: 1.2rem;
        }
        h3 {
            font-size: 1.45rem;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #1d3557;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #2b2d42;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .badge {
            display: inline-block;
            background: #e63946;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .site-header {
            background: linear-gradient(135deg, #0b090a 0%, #1a1a2e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            border-bottom: 3px solid #e63946;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo span {
            color: #e63946;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #fca311;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.1rem;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #f1f1f1;
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.3s, color 0.3s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-list li a:hover {
            background: #e63946;
            color: #fff;
            text-decoration: none;
        }
        .nav-list li a i {
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb-wrap {
            background: #fff;
            padding: 0.7rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap nav ol li {
            margin: 0;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb-wrap nav ol li+li::before {
            content: "›";
            color: #94a3b8;
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .breadcrumb-wrap nav ol li a {
            color: #e63946;
        }
        .breadcrumb-wrap nav ol li [aria-current] {
            color: #475569;
            font-weight: 600;
        }
        .main-content {
            background: #fff;
            padding: 2.5rem 0 3.5rem;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }
        .article-body {
            max-width: 800px;
            margin: 0 auto;
        }
        .article-body .hero-img {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }
        .article-body .hero-img img {
            width: 100%;
            border-radius: 16px;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: #64748b;
            background: #f8fafc;
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            margin-bottom: 1.8rem;
            border: 1px solid #e2e8f0;
            width: fit-content;
        }
        .last-updated i {
            color: #e63946;
        }
        .highlight-box {
            background: linear-gradient(145deg, #fef3f3, #fff5f5);
            border-left: 5px solid #e63946;
            padding: 1.5rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.08);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            background: #fff;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        .table-wrap th {
            background: #1a1a2e;
            color: #fff;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .table-wrap tr:last-child td {
            border-bottom: none;
        }
        .table-wrap tr:hover td {
            background: #f8fafc;
        }
        blockquote {
            background: #f1f5f9;
            border-left: 5px solid #e63946;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #334155;
        }
        blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-style: normal;
            font-weight: 600;
            color: #0b090a;
        }
        .search-section {
            background: #f1f5f9;
            padding: 2.2rem 1.8rem;
            border-radius: 16px;
            margin: 2.5rem 0;
            border: 1px solid #e2e8f0;
        }
        .search-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.9rem 1.2rem;
            border: 2px solid #cbd5e1;
            border-radius: 50px;
            font-size: 1rem;
            transition: border 0.3s, box-shadow 0.3s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #e63946;
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.15);
            outline: none;
        }
        .search-form button {
            background: #e63946;
            color: #fff;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #b71c1c;
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #f8fafc;
            padding: 1.8rem 2rem;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.3s;
        }
        .feedback-card:hover {
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card h4 i {
            color: #e63946;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card form input,
        .feedback-card form textarea {
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.3s;
            background: #fff;
        }
        .feedback-card form input:focus,
        .feedback-card form textarea:focus {
            border-color: #e63946;
            outline: none;
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }
        .feedback-card form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card form button {
            background: #1a1a2e;
            color: #fff;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .feedback-card form button:hover {
            background: #e63946;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            direction: rtl;
            justify-content: flex-end;
            margin: 0.4rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #fca311;
        }
        .friend-links-wrap {
            background: #1a1a2e;
            color: #e2e8f0;
            padding: 2.5rem 0 2rem;
            margin-top: 1rem;
        }
        .friend-links-wrap h3 {
            color: #fff;
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            padding: 0.8rem 0;
        }
        friend-link a {
            color: #fca311;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer {
            background: #0b090a;
            color: #94a3b8;
            padding: 1.8rem 0;
            text-align: center;
            font-size: 0.9rem;
            border-top: 3px solid #e63946;
        }
        .site-footer p {
            margin-bottom: 0.3rem;
        }
        .site-footer a {
            color: #fca311;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .copyright {
            margin-top: 0.8rem;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 0 0.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a2e;
                padding: 0.8rem 0;
                border-radius: 12px;
                margin-top: 0.5rem;
                border: 1px solid #2d2d44;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 1.2rem;
                border-radius: 0;
                border-bottom: 1px solid #2d2d44;
            }
            .nav-list li:last-child a {
                border-bottom: none;
            }
            .nav-wrap {
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
                padding-left: 0.8rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .feedback-card {
                padding: 1.4rem;
            }
            .table-wrap th,
            .table-wrap td {
                padding: 0.6rem 0.8rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            p {
                font-size: 0.98rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
            .highlight-box {
                padding: 1rem 1.2rem;
            }
            .last-updated {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
            .breadcrumb-wrap nav ol {
                font-size: 0.8rem;
                gap: 0.2rem 0.4rem;
            }
            friend-link {
                gap: 0.5rem 1rem;
            }
            friend-link a {
                font-size: 0.85rem;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #e63946;
            color: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 0 0 8px 8px;
            z-index: 10000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
            text-decoration: none;
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }