* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #f7a400;
            --primary-dark: #d98900;
            --secondary: #2c3e6b;
            --accent: #e74c3c;
            --bg-light: #fef9ef;
            --bg-dark: #1a2332;
            --text-dark: #1e293b;
            --text-light: #f8fafc;
            --gray: #64748b;
            --border: #e2e8f0;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #0f172a 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            text-transform: uppercase;
            background: linear-gradient(135deg, var(--primary), #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: var(--transition);
        }
        .my-logo:hover {
            filter: brightness(1.1);
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: var(--text-light);
            color: var(--text-light);
            display: block;
            font-weight: 400;
            letter-spacing: 2px;
            text-transform: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb {
            background: var(--bg-dark);
            padding: 10px 0 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            color: var(--gray);
        }
        .breadcrumb ol li+li::before {
            content: '›';
            margin-right: 12px;
            color: var(--gray);
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #162240 100%);
            padding: 60px 0 50px;
            text-align: center;
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(247, 164, 0, 0.06) 0%, transparent 60%);
            animation: heroGlow 12s ease-in-out infinite alternate;
        }
        @keyframes heroGlow {
            0% {
                transform: translate(0, 0);
            }
            100% {
                transform: translate(10%, 10%);
            }
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.6rem);
            font-weight: 800;
            color: var(--primary);
            position: relative;
            z-index: 1;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            max-width: 720px;
            margin: 0 auto 16px;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
        .hero .last-update {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--gray);
            border: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            z-index: 1;
        }
        .hero .last-update i {
            margin-right: 6px;
            color: var(--primary);
        }
        .search-section {
            background: var(--bg-dark);
            padding: 28px 0 34px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-light);
            outline: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .search-form input::placeholder {
            color: var(--gray);
        }
        .search-form input:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary);
        }
        .search-form button {
            padding: 14px 32px;
            border: none;
            border-radius: 50px;
            background: var(--primary);
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .main-content {
            padding: 48px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 1.9rem;
            color: var(--secondary);
            margin: 44px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
        .content-body h3 {
            font-size: 1.4rem;
            color: var(--text-dark);
            margin: 32px 0 12px;
            font-weight: 700;
        }
        .content-body h4 {
            font-size: 1.1rem;
            color: var(--secondary);
            margin: 24px 0 8px;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 18px;
            color: #334155;
        }
        .content-body ul,
        .content-body ol {
            margin: 12px 0 20px 24px;
            color: #334155;
        }
        .content-body li {
            margin-bottom: 8px;
        }
        .content-body strong {
            color: var(--text-dark);
        }
        .content-body .highlight-box {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .content-body .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .content-body .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 20px 0 28px;
        }
        .content-body .stat-card {
            background: #fff;
            padding: 20px 16px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .content-body .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }
        .content-body .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .content-body .stat-card .label {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 4px;
        }
        .content-body .feature-img {
            margin: 24px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .content-body .feature-img img {
            width: 100%;
        }
        .content-body .feature-img figcaption {
            font-size: 0.85rem;
            color: var(--gray);
            text-align: center;
            padding: 10px 0 0;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 20px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 6px;
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--text-dark);
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .sidebar-card ul li a i {
            color: var(--primary);
            font-size: 0.75rem;
        }
        .interaction-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid var(--border);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .comment-form,
        .rating-form {
            background: #fff;
            padding: 28px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .comment-form h3,
        .rating-form h3 {
            font-size: 1.2rem;
            color: var(--secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form input,
        .rating-form select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            transition: var(--transition);
            background: var(--bg-light);
            margin-bottom: 12px;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form input:focus,
        .rating-form select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(247, 164, 0, 0.15);
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            padding: 12px 28px;
            border: none;
            border-radius: 8px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1a2a4a;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            margin-bottom: 16px;
            direction: rtl;
        }
        .rating-stars i {
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: var(--primary);
        }
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-inner h4 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .footer-inner p,
        .footer-inner a {
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: var(--primary);
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            padding: 4px 0;
        }
        friend-link {
            display: block;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
            color: #94a3b8;
        }
        friend-link a {
            color: var(--primary);
            font-weight: 500;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright a {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                position: relative;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                padding: 16px 0 8px;
                background: rgba(15, 23, 42, 0.98);
                border-radius: 0 0 var(--radius) var(--radius);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 99;
                padding: 20px 24px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                font-size: 1.05rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .search-form input {
                min-width: 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero {
                padding: 36px 0 30px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .content-body .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }
        ::selection {
            background: var(--primary);
            color: var(--bg-dark);
        }