*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0f0f1a;
            color: #e8e8f0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f5c542;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffdd77;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #f0ede5;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
            border-bottom: 3px solid #f5c542;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #f5c542;
            padding-left: 0.9rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #f5c54233;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(4px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f5c542;
            letter-spacing: 1px;
            text-shadow: 0 0 12px #f5c54244;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffdd77;
        }
        .my-logo i {
            margin-right: 0.4rem;
            color: #e94560;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f5c542;
            color: #f5c542;
            font-size: 1.6rem;
            padding: 0.3rem 0.9rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f5c54222;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #cfd8e6;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover,
        nav a.active {
            background: #f5c54222;
            color: #f5c542;
            text-decoration: none;
        }
        nav a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #a0aaba;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #f5c54288;
        }
        .breadcrumb a {
            color: #bcc5d4;
        }
        .breadcrumb a:hover {
            color: #f5c542;
        }
        .search-section {
            background: #1a1a2e;
            padding: 1.8rem 0;
            border-bottom: 1px solid #2a2a4a;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #2a2a4a;
            border-radius: 40px;
            background: #0f0f1a;
            color: #e8e8f0;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f5c542;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #f5c542;
            color: #0f0f1a;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #ffdd77;
            transform: scale(1.02);
        }
        main {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media(max-width:920px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: #151528;
            padding: 2rem;
            border-radius: 18px;
            border: 1px solid #2a2a4a;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }
        .article-body .featured-img {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(245, 197, 66, 0.15);
        }
        .highlight {
            background: linear-gradient(120deg, #f5c54222 0%, #f5c54208 80%);
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
            color: #f5c542;
        }
        .insight-box {
            background: #1e1e3a;
            border-left: 5px solid #e94560;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .insight-box strong {
            color: #f5c542;
        }
        .link-list-inline {
            display: inline;
            font-weight: 500;
            color: #f5c542;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #1a1a32;
            padding: 1.2rem;
            border-radius: 14px;
            text-align: center;
            border: 1px solid #2a2a4a;
            transition: transform 0.2s, border-color 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: #f5c54266;
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f5c542;
            display: block;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #aab3c9;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #151528;
            padding: 1.4rem;
            border-radius: 16px;
            border: 1px solid #2a2a4a;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f5c54244;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #1f1f3a;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .sidebar-card ul li a i {
            margin-right: 0.5rem;
            color: #e94560;
            width: 1.2rem;
        }
        .rating-section {
            margin: 2rem 0 1.5rem;
            padding: 1.5rem;
            background: #1a1a32;
            border-radius: 16px;
            border: 1px solid #2a2a4a;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #444;
            transition: color 0.2s, transform 0.15s;
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f5c542;
            transform: scale(1.1);
        }
        .rating-form button {
            margin-top: 0.8rem;
            padding: 0.6rem 2rem;
            background: #f5c542;
            color: #0f0f1a;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: #ffdd77;
        }
        .comments-section {
            margin: 2rem 0 1rem;
            padding: 1.5rem;
            background: #1a1a32;
            border-radius: 16px;
            border: 1px solid #2a2a4a;
        }
        .comments-section textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #2a2a4a;
            border-radius: 12px;
            background: #0f0f1a;
            color: #e8e8f0;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .comments-section textarea:focus {
            border-color: #f5c542;
        }
        .comments-section .comment-submit {
            margin-top: 0.8rem;
            padding: 0.7rem 2.2rem;
            background: #e94560;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comments-section .comment-submit:hover {
            background: #ff6b81;
        }
        footer {
            background: #0c0c1a;
            border-top: 2px solid #1f1f3a;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        footer h4 {
            color: #f5c542;
            margin-top: 0;
            font-size: 1.1rem;
        }
        footer ul {
            list-style: none;
            padding-left: 0;
        }
        footer ul li {
            padding: 0.25rem 0;
        }
        footer ul li a {
            color: #aab3c9;
            font-size: 0.95rem;
        }
        footer ul li a:hover {
            color: #f5c542;
        }
        .friend-link {
            display: block;
            padding: 0.5rem 0;
            font-weight: 500;
        }
        .friend-link a {
            color: #f5c542;
        }
        .friend-link a:hover {
            color: #ffdd77;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1f1f3a;
            color: #7a7f99;
            font-size: 0.9rem;
        }
        .copyright strong {
            color: #bcc5d4;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: inline-block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a1a2e;
                padding: 0.8rem 0;
                border-radius: 0 0 16px 16px;
                gap: 0.2rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.7rem 1.2rem;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 1.2rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rating-stars {
                font-size: 1.6rem;
                justify-content: center;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-body {
                padding: 1rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #f5c542;
            color: #0f0f1a;
            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(245, 197, 66, 0.3);
            transition: transform 0.2s, background 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            transform: scale(1.08);
            background: #ffdd77;
        }
        .toc {
            background: #1a1a32;
            padding: 1.2rem 1.8rem;
            border-radius: 14px;
            border: 1px solid #2a2a4a;
            margin-bottom: 2rem;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            padding-left: 1.2rem;
            margin-bottom: 0;
        }
        .toc ol li {
            padding: 0.2rem 0;
        }
        .toc ol li a {
            color: #cfd8e6;
        }
        .toc ol li a:hover {
            color: #f5c542;
        }
        .last-update {
            font-size: 0.85rem;
            color: #8890aa;
            text-align: right;
            margin-top: 2.5rem;
            padding-top: 1rem;
            border-top: 1px solid #2a2a4a;
        }
        .last-update i {
            margin-right: 0.4rem;
        }
        .text-muted {
            color: #8890aa;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .fw-bold {
            font-weight: 700;
        }