        *,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f4f4;
            color: #1a1a1a;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #c00000;
            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;
            border-radius: 8px;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
            color: #111;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 3px solid #c00000;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: linear-gradient(145deg, #0b0b0b 0%, #1a1a1a 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: #c00000;
            padding: 0.2rem 0.9rem;
            border-radius: 6px;
            text-transform: uppercase;
            transition: background 0.25s;
        }
        .my-logo:hover {
            background: #a00000;
            text-decoration: none;
            color: #fff;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            letter-spacing: 1px;
            display: block;
            color: #ffd6d6;
            line-height: 1;
        }
        .my-logo:hover small {
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: transform 0.2s;
        }
        .nav-toggle:hover {
            transform: scale(1.1);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1rem;
            align-items: center;
            list-style: none;
            padding: 0;
        }
        .nav-menu li a {
            color: #eee;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #c00000;
            color: #fff;
            text-decoration: none;
        }
        .nav-menu li a.active {
            background: #c00000;
            color: #fff;
        }
        .breadcrumb {
            background: #e9e9e9;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d0d0;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #888;
            margin-right: 0.5rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #c00000;
        }
        .breadcrumb .current {
            color: #1a1a1a;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 1.8rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media(min-width:900px) {
            .content-grid {
                grid-template-columns: 1fr 320px;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 12px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .article-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            font-size: 0.85rem;
            color: #666;
            border-bottom: 1px solid #e0e0e0;
            padding-bottom: 0.8rem;
            margin-bottom: 1.5rem;
        }
        .article-body .meta i {
            margin-right: 0.3rem;
            color: #c00000;
        }
        .article-body figure {
            margin: 1.8rem 0;
            border-radius: 10px;
            overflow: hidden;
            background: #f0f0f0;
        }
        .article-body figure img {
            width: 100%;
            object-fit: cover;
        }
        .article-body figure figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            background: #fafafa;
            font-style: italic;
        }
        .highlight-box {
            background: #fef6f0;
            border-left: 5px solid #c00000;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.6rem 0;
        }
        .highlight-box strong {
            color: #c00000;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 1rem 0 1.4rem;
        }
        .link-list-inline li a {
            background: #f0f0f0;
            padding: 0.2rem 0.9rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .link-list-inline li a:hover {
            background: #c00000;
            color: #fff;
            text-decoration: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #c00000;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card ul li a {
            display: block;
            padding: 0.3rem 0;
            border-bottom: 1px solid #f0f0f0;
            font-size: 0.9rem;
        }
        .sidebar-card ul li a:hover {
            padding-left: 0.3rem;
        }
        .interactive-modules {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.8rem;
            margin-top: 2.5rem;
        }
        @media(min-width:700px) {
            .interactive-modules {
                grid-template-columns: 1fr 1fr;
            }
            .interactive-modules .module-full {
                grid-column: 1 / -1;
            }
        }
        .module {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .module h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .module form {
            margin-top: 0.8rem;
        }
        .module form input,
        .module form textarea,
        .module form select {
            width: 100%;
            padding: 0.6rem 0.9rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 0.95rem;
            margin-bottom: 0.7rem;
            transition: border 0.2s;
            font-family: inherit;
        }
        .module form input:focus,
        .module form textarea:focus,
        .module form select:focus {
            border-color: #c00000;
            outline: none;
            box-shadow: 0 0 0 3px rgba(192, 0, 0, 0.15);
        }
        .module form textarea {
            resize: vertical;
            min-height: 80px;
        }
        .module form button {
            background: #c00000;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .module form button:hover {
            background: #8b0000;
            transform: scale(1.01);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.5rem 0 0.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        footer {
            background: #0b0b0b;
            color: #ccc;
            padding: 2.2rem 0 1.2rem;
            border-top: 4px solid #c00000;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.8rem;
        }
        @media(min-width:700px) {
            footer .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        footer h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
        }
        footer a {
            color: #bbb;
        }
        footer a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            background: #1a1a1a;
            padding: 0.8rem 1.2rem;
            border-radius: 8px;
            margin: 0.6rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.82rem;
            color: #888;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a1a;
                padding: 0.8rem 0;
                border-radius: 0 0 10px 10px;
                gap: 0.2rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.5rem 1.2rem;
                display: block;
            }
            .header-inner {
                align-items: center;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
            }
        }
        @media(min-width:769px) {
            .nav-menu {
                display: flex !important;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #e0e0e0;
        }
        ::-webkit-scrollbar-thumb {
            background: #c00000;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #8b0000;
        }
        .text-small {
            font-size: 0.85rem;
            color: #666;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .badge {
            background: #c00000;
            color: #fff;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
