* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f4f4;
            color: #1a1a1a;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #c8102e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #8b0000;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #111;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #c8102e;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #c8102e;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.2rem;
            font-weight: 600;
        }
        p {
            margin: 0.9rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #111;
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: #c8102e;
            font-size: 2rem;
        }
        .my-logo span {
            color: #c8102e;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .my-logo small {
            font-size: 0.6rem;
            font-weight: 300;
            display: block;
            letter-spacing: 2px;
            color: #aaa;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
        }
        .nav-menu {
            list-style: none;
            display: flex;
            gap: 1.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #eee;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            border-bottom-color: #c8102e;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            z-index: 1100;
        }
        .hamburger:focus {
            outline: 2px solid #c8102e;
        }
        .breadcrumb {
            background: #eaeaea;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #ccc;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #c8102e;
        }
        .breadcrumb .current {
            color: #111;
            font-weight: 600;
        }
        .search-section {
            background: #fff;
            padding: 1.2rem 0;
            border-bottom: 1px solid #ddd;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #c8102e;
            outline: none;
        }
        .search-form button {
            background: #c8102e;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #a00d24;
        }
        main {
            flex: 1;
            padding: 2rem 0 3rem;
            background: #fff;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .article-body {
            min-width: 0;
        }
        .article-body p {
            text-align: justify;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #f9f9f9;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            padding: 1.3rem 1.2rem;
            margin-bottom: 1.5rem;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #c8102e;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #e8e8e8;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card li a i {
            color: #c8102e;
            width: 1.1rem;
            text-align: center;
        }
        .featured-image {
            margin: 1.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0f0f0;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            text-align: center;
        }
        .user-feedback {
            background: #f8f8f8;
            border: 1px solid #ddd;
            border-radius: 12px;
            padding: 1.8rem;
            margin: 2.5rem 0;
        }
        .user-feedback h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .feedback-item label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
        }
        .feedback-item textarea,
        .feedback-item select,
        .feedback-item input {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 0.95rem;
            font-family: inherit;
        }
        .feedback-item textarea {
            resize: vertical;
            min-height: 90px;
        }
        .feedback-item button {
            background: #c8102e;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
        }
        .feedback-item button:hover {
            background: #a00d24;
        }
        .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: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b301;
        }
        .links-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 0.7rem 1.2rem;
            margin: 1.2rem 0;
            padding: 0;
            list-style: none;
        }
        .links-list li a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #f5f5f5;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            border: 1px solid #e0e0e0;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
            font-size: 0.9rem;
        }
        .links-list li a i {
            color: #c8102e;
            font-size: 0.8rem;
        }
        .links-list li a:hover {
            background: #c8102e;
            color: #fff;
            border-color: #c8102e;
            text-decoration: none;
        }
        .links-list li a:hover i {
            color: #fff;
        }
        footer {
            background: #111;
            color: #ccc;
            padding: 2rem 0 1.2rem;
            border-top: 4px solid #c8102e;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #c8102e;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
            margin: 0.6rem 0;
        }
        .footer-inner li {
            padding: 0.2rem 0;
        }
        .footer-inner a {
            color: #bbb;
        }
        .footer-inner a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            border-top: 1px solid #333;
            margin-top: 1.5rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #999;
        }
        friend-link a {
            color: #ccc;
            margin: 0 0.5rem;
        }
        friend-link a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 1rem;
            margin-top: 1rem;
            border-top: 1px solid #333;
            font-size: 0.85rem;
            color: #888;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                background: #1a1a1a;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                padding: 1rem 1.5rem;
                gap: 0.8rem;
                border-top: 2px solid #c8102e;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                font-size: 1.05rem;
                padding: 0.4rem 0;
            }
            .header-inner {
                position: relative;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .links-list {
                grid-template-columns: 1fr 1fr;
            }
            .search-form {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            .links-list {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
            .container,
            .header-inner,
            .main-grid,
            .footer-inner,
            .breadcrumb ol,
            .search-form {
                padding-left: 12px;
                padding-right: 12px;
            }
            .user-feedback {
                padding: 1rem;
            }
        }
        .badge {
            display: inline-block;
            background: #c8102e;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .updated {
            font-size: 0.85rem;
            color: #777;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0.5rem 0 1rem;
        }
        .highlight-box {
            background: #fef5f5;
            border-left: 4px solid #c8102e;
            padding: 1rem 1.4rem;
            border-radius: 0 8px 8px 0;
            margin: 1.2rem 0;
        }
        .highlight-box strong {
            color: #c8102e;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #ddd;
            text-align: left;
        }
        th {
            background: #c8102e;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f9f9f9;
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #c8102e;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
            cursor: pointer;
            transition: opacity 0.3s, transform 0.3s;
            border: none;
            z-index: 999;
            opacity: 0.8;
        }
        .scroll-top:hover {
            opacity: 1;
            transform: scale(1.05);
            color: #fff;
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }