*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --secondary: #1d3557;
            --accent: #f4a261;
            --light: #f1faee;
            --dark: #0b1a2a;
            --gray: #6c757d;
            --border: #dee2e6;
            --bg-body: #f8f9fa;
            --bg-card: #fff;
            --radius: 12px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-w: 1200px;
            --header-h: 70px;
            --transition: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg-body);
            color: #222;
            line-height: 1.75;
            padding-top: var(--header-h);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: var(--secondary);
            color: #fff;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo span {
            background: var(--primary);
            padding: 2px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #fff;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--accent);
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        nav a {
            color: rgba(255, 255, 255, 0.88);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        nav a:hover,
        nav a:focus-visible {
            color: #fff;
            border-bottom-color: var(--accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.88rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb [aria-current="page"] {
            color: var(--gray);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d2b4a 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 20px;
            opacity: 0.9;
        }
        .hero .meta {
            font-size: 0.92rem;
            opacity: 0.7;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .search-section {
            background: var(--bg-card);
            padding: 30px 0;
            border-bottom: 1px solid var(--border);
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.12);
        }
        .search-form button {
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        .main-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-h) + 24px);
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 6px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-size: 0.9rem;
            color: var(--secondary);
        }
        .sidebar-card a:hover {
            color: var(--primary);
        }
        .main-content h2 {
            font-size: 1.9rem;
            color: var(--secondary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
        }
        .main-content h2:first-child {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.45rem;
            color: var(--secondary);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .main-content h4 {
            font-size: 1.15rem;
            color: var(--primary-dark);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.02rem;
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 20px 24px;
        }
        .main-content li {
            margin-bottom: 6px;
        }
        .main-content .feature-box {
            background: #f0f7ff;
            border-left: 4px solid var(--primary);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .main-content .feature-box i {
            color: var(--primary);
            margin-right: 8px;
        }
        .main-content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .main-content .stat-card {
            background: var(--light);
            border-radius: var(--radius);
            padding: 18px 14px;
            text-align: center;
            border: 1px solid var(--border);
        }
        .main-content .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .main-content .stat-card .label {
            font-size: 0.85rem;
            color: var(--gray);
            margin-top: 4px;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 16px;
            background: var(--light);
            font-size: 0.88rem;
            color: var(--gray);
            font-style: italic;
        }
        .interaction-area {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid var(--border);
        }
        .interaction-area h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #ffc107;
            cursor: pointer;
            margin: 12px 0 18px;
            direction: rtl;
        }
        .rating-stars i {
            transition: transform var(--transition), color var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            transform: scale(1.2);
            color: #ff9800;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
        }
        .comment-form .form-actions {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-form .form-actions button {
            padding: 12px 28px;
            border: none;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .comment-form .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        .comment-form .btn-secondary {
            background: var(--light);
            color: var(--secondary);
        }
        .comment-form .btn-secondary:hover {
            background: var(--border);
        }
        friend-link {
            display: block;
            padding: 20px 0;
            border-top: 1px solid var(--border);
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        friend-link a {
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.92rem;
        }
        friend-link a:hover {
            color: var(--primary);
        }
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 30px 0 24px;
            text-align: center;
            font-size: 0.88rem;
        }
        footer .container {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        footer a {
            color: var(--accent);
        }
        footer a:hover {
            color: #fff;
        }
        footer .copyright {
            opacity: 0.7;
            font-size: 0.82rem;
        }
        @media (max-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: var(--secondary);
                flex-direction: column;
                gap: 0;
                padding: 12px 20px 20px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
                transform: translateY(-110%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.4s ease;
                pointer-events: none;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                z-index: 999;
            }
            nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            nav a {
                padding: 12px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                width: 100%;
                font-size: 1rem;
            }
            nav a:last-child {
                border-bottom: none;
            }
            .hero {
                padding: 40px 0 30px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-content {
                padding: 24px 16px;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.25rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            friend-link ul {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.6rem;
                padding: 1px 6px;
            }
            .main-content .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--light);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gray);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--secondary);
        }
        :focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }