* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fb;
            color: #1a2639;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #7c2d12;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #f8fafc;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #94a3b8;
            color: #94a3b8;
            letter-spacing: 0.3px;
            font-weight: 400;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #fbbf24;
            color: #fbbf24;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #fbbf24;
            color: #0f172a;
        }
        .main-nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.95rem;
            transition: 0.2s;
        }
        .main-nav a:hover {
            background: rgba(251, 191, 36, 0.15);
            color: #fbbf24;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #fbbf24;
            color: #0f172a;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: #334155;
        }
        .breadcrumb a:hover {
            color: #b45309;
        }
        .breadcrumb .sep {
            color: #94a3b8;
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 70%, #2d1b00 100%);
            color: #f8fafc;
            padding: 48px 0 40px;
            text-align: center;
            border-bottom: 4px solid #fbbf24;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero h1 span {
            background: linear-gradient(to right, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 20px;
            color: #cbd5e1;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: #94a3b8;
        }
        .hero-meta i {
            color: #fbbf24;
            margin-right: 6px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: #ffffff;
            border-radius: 16px;
            padding: 32px 36px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 16px;
            color: #0f172a;
            border-left: 5px solid #fbbf24;
            padding-left: 16px;
        }
        .article-body h2:first-of-type {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: #1e293b;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #334155;
        }
        .article-body p {
            margin-bottom: 16px;
            color: #1e293b;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 26px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #92400e;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #f8fafc;
            border-radius: 12px;
            padding: 18px 14px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #b45309;
            display: block;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #64748b;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #475569;
            text-align: center;
            font-style: italic;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
            color: #0f172a;
        }
        tr:hover td {
            background: #faf5ff;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 22px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #0f172a;
            border-bottom: 2px solid #fbbf24;
            padding-bottom: 8px;
        }
        .link-list {
            list-style: none;
            padding: 0;
        }
        .link-list li {
            margin-bottom: 10px;
        }
        .link-list a {
            display: block;
            padding: 8px 12px;
            background: #f8fafc;
            border-radius: 8px;
            border-left: 3px solid #fbbf24;
            transition: 0.2s;
            font-weight: 500;
        }
        .link-list a:hover {
            background: #fef3c7;
            text-decoration: none;
            border-left-color: #b45309;
        }
        .search-box {
            display: flex;
            gap: 8px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
        }
        .search-box input:focus {
            border-color: #fbbf24;
        }
        .search-box button {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 10px 18px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: 0.2s;
        }
        .search-box button:hover {
            background: #92400e;
        }
        .comment-area,
        .rating-area {
            margin-top: 20px;
        }
        .comment-area textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: 0.2s;
            font-family: inherit;
        }
        .comment-area textarea:focus {
            border-color: #fbbf24;
        }
        .comment-area .form-actions,
        .rating-area .form-actions {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .btn {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #92400e;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #b45309;
            color: #b45309;
        }
        .btn-outline:hover {
            background: #b45309;
            color: #fff;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: 0.2s;
        }
        .star-rating i {
            transition: 0.2s;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f59e0b;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 40px;
            border-top: 4px solid #fbbf24;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 768px) {
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        footer h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #94a3b8;
        }
        footer a:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            padding: 12px 16px;
            background: #1e293b;
            border-radius: 10px;
            margin: 8px 0;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #fbbf24;
            font-weight: 500;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid #1e293b;
            font-size: 0.9rem;
            color: #64748b;
        }
        .copyright strong {
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e293b;
                padding: 16px 12px;
                border-radius: 12px;
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 14px;
                border-bottom: 1px solid #334155;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .article-body {
                padding: 20px 16px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 6px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        ::selection {
            background: #fbbf24;
            color: #0f172a;
        }
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #b45309;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: 0.3s;
            border: none;
            z-index: 99;
        }
        .back-top:hover {
            background: #92400e;
            transform: translateY(-4px);
        }