        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7fc;
            color: #1f2937;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b91c1c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #7f1d1d;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #111827;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #b91c1c;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #b91c1c;
            padding-left: 0.8rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e40af;
        }
        h4 {
            font-size: 1.1rem;
            color: #374151;
        }
        p {
            margin: 0.9rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border-radius: 20px;
            padding: 1.2rem 1.8rem 2rem;
        }
        .text-center {
            text-align: center;
        }
        .badge {
            background: #b91c1c;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            display: inline-block;
            letter-spacing: 0.5px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            border-bottom: 2px solid #e5e7eb;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #b91c1c, #dc2626);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #b91c1c;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #b91c1c;
            color: #b91c1c;
            font-size: 1.6rem;
            border-radius: 8px;
            padding: 0.2rem 0.7rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #b91c1c;
            color: #fff;
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        nav a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0%;
            height: 2px;
            background: #b91c1c;
            transition: 0.25s;
        }
        nav a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #6b7280;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #9ca3af;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6b7280;
        }
        .breadcrumb a:hover {
            color: #b91c1c;
        }
        .breadcrumb .active {
            color: #111827;
            font-weight: 600;
        }
        .search-box {
            display: flex;
            max-width: 550px;
            margin: 1.2rem 0 1.8rem;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #e5e7eb;
            transition: 0.2s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #b91c1c;
            box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.15);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #b91c1c;
            color: #fff;
            border: none;
            padding: 0.8rem 1.6rem;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #7f1d1d;
        }
        .feedback-zone {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            background: #f9fafb;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e5e7eb;
            align-items: flex-start;
        }
        .rating-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: #f59e0b;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars input:checked~i {
            color: #f59e0b;
        }
        .rating-stars label {
            cursor: pointer;
            padding: 0 0.1rem;
        }
        .rating-stars label i {
            font-size: 1.8rem;
            transition: 0.15s;
        }
        .rating-stars label:hover i,
        .rating-stars label:hover~label i {
            color: #f59e0b !important;
        }
        .rating-stars input:checked+label i,
        .rating-stars input:checked+label~label i {
            color: #f59e0b !important;
        }
        .score-display {
            font-weight: 700;
            font-size: 1.2rem;
            color: #1f2937;
        }
        .comment-form {
            flex: 1;
            min-width: 220px;
        }
        .comment-form textarea {
            width: 100%;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            padding: 0.8rem 1rem;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 70px;
            font-family: inherit;
            transition: 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #b91c1c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.1);
        }
        .comment-form button,
        .rating-form button {
            background: #b91c1c;
            color: #fff;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #7f1d1d;
            transform: scale(1.02);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.3rem;
        }
        friend-link {
            display: block;
            background: #f3f4f6;
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            margin: 2rem 0 1rem;
            font-size: 0.95rem;
            border: 1px solid #e5e7eb;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            padding: 0.2rem 0.6rem;
            background: #fff;
            border-radius: 30px;
            border: 1px solid #d1d5db;
            font-size: 0.88rem;
            transition: 0.2s;
        }
        friend-link a:hover {
            background: #b91c1c;
            color: #fff;
            border-color: #b91c1c;
            text-decoration: none;
        }
        footer {
            border-top: 2px solid #e5e7eb;
            padding: 1.8rem 0 1rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #6b7280;
        }
        footer .copyright {
            font-weight: 500;
            color: #374151;
        }
        .toc {
            background: #f9fafb;
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            border: 1px solid #e5e7eb;
            margin: 1.5rem 0;
        }
        .toc h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2 220px;
        }
        .toc li {
            margin-bottom: 0.3rem;
        }
        .toc a {
            display: block;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
        }
        .toc a:hover {
            background: #e5e7eb;
            text-decoration: none;
        }
        figure {
            margin: 1.8rem 0;
            text-align: center;
        }
        figure img {
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        figcaption {
            font-size: 0.85rem;
            color: #6b7280;
            margin-top: 0.4rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0.8rem 1rem 1.5rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding: 0.8rem 0 0.2rem;
                border-top: 1px solid #e5e7eb;
                margin-top: 0.6rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.5rem 0;
                border-bottom: 1px solid #f3f4f6;
            }
            .feedback-zone {
                flex-direction: column;
                padding: 1.2rem;
            }
            .toc ul {
                columns: 1;
            }
            .search-box {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-box button {
                border-radius: 0 0 14px 14px;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .rating-stars label i {
                font-size: 1.5rem;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none;
            }
            nav {
                display: flex !important;
            }
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .data-box {
            background: #1e3a5f;
            color: #f0f9ff;
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
        }
        .data-box h4 {
            color: #fbbf24;
        }
        .data-box p,
        .data-box li {
            color: #e2e8f0;
        }
        .interview {
            background: #f0f4ff;
            border-left: 5px solid #1e40af;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .interview p {
            font-style: italic;
        }
        .interview .author {
            font-weight: 700;
            font-style: normal;
            color: #1e40af;
        }
        .btn-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #b91c1c;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 15px rgba(185, 28, 28, 0.3);
            transition: 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            background: #7f1d1d;
            transform: translateY(-3px);
        }
        .last-updated {
            font-size: 0.8rem;
            color: #9ca3af;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
            margin: 0.4rem 0 1rem;
        }
        .inline-link {
            font-weight: 600;
            color: #b91c1c;
        }
        .emoji-big {
            font-size: 1.3rem;
        }
