*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --secondary: #f39c12;
            --accent: #2ecc71;
            --bg: #0d0d1a;
            --bg-card: #1a1a2e;
            --bg-nav: #12121f;
            --text: #f0f0f5;
            --text-muted: #b0b0c0;
            --border: #2a2a4a;
            --radius: 12px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color .25s;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--bg-nav);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo span {
            color: var(--secondary);
            font-weight: 300;
        }
        .my-logo small {
            font-size: .7rem;
            color: var(--text-muted);
            font-weight: 400;
            display: block;
            line-height: 1;
        }
        .my-logo:hover {
            color: var(--primary);
            opacity: .9;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-list a {
            padding: 6px 14px;
            border-radius: 30px;
            font-size: .9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all .25s;
            border: 1px solid transparent;
        }
        .nav-list a:hover,
        .nav-list a.active {
            color: #fff;
            background: var(--primary-dark);
            border-color: var(--primary);
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid var(--border);
            color: var(--text);
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: .25s;
        }
        .hamburger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 10px 20px;
            border-bottom: 1px solid var(--border);
            font-size: .85rem;
            color: var(--text-muted);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 6px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        main {
            padding: 30px 0 50px;
        }
        .hero {
            text-align: center;
            padding: 40px 20px 30px;
            background: linear-gradient(145deg, var(--bg-card), var(--bg));
            border-radius: var(--radius);
            margin-bottom: 40px;
            border: 1px solid var(--border);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 16px;
        }
        .hero-meta {
            font-size: .9rem;
            color: var(--text-muted);
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .hero-meta i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .last-updated {
            display: inline-block;
            background: var(--primary-dark);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: .8rem;
            color: #fff;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-main h2 {
            font-size: 2rem;
            margin: 48px 0 16px;
            color: var(--secondary);
            border-left: 5px solid var(--primary);
            padding-left: 16px;
        }
        .content-main h3 {
            font-size: 1.5rem;
            margin: 32px 0 12px;
            color: var(--primary);
        }
        .content-main h4 {
            font-size: 1.15rem;
            margin: 24px 0 8px;
            color: var(--accent);
        }
        .content-main p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .content-main strong {
            color: #fff;
        }
        .content-main ul,
        .content-main ol {
            margin: 0 0 20px 24px;
            color: var(--text-muted);
        }
        .content-main li {
            margin-bottom: 6px;
        }
        .feature-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin: 28px 0;
            box-shadow: var(--shadow);
        }
        .feature-box h3 {
            margin-top: 0;
        }
        .content-img {
            margin: 30px 0;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card);
            padding: 8px;
            border: 1px solid var(--border);
        }
        .content-img img {
            border-radius: 8px;
            width: 100%;
        }
        .content-img figcaption {
            text-align: center;
            font-size: .85rem;
            color: var(--text-muted);
            padding: 10px 0 4px;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 12px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 8px;
        }
        .sidebar-card a {
            display: block;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: .9rem;
        }
        .sidebar-card a i {
            margin-right: 8px;
            color: var(--primary);
            width: 18px;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 30px;
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text);
            font-size: .9rem;
            outline: none;
            transition: .3s;
        }
        .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
        }
        .search-form button {
            padding: 10px 20px;
            border-radius: 30px;
            border: none;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: .25s;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            margin: 10px 0;
        }
        .star-rating i {
            color: var(--border);
            transition: .2s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: var(--secondary);
        }
        .rating-display {
            font-size: .95rem;
            color: var(--text-muted);
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text);
            font-size: .9rem;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: .3s;
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
        }
        .comment-form button {
            margin-top: 10px;
            padding: 10px 28px;
            border-radius: 30px;
            border: none;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: .25s;
        }
        .comment-form button:hover {
            opacity: .85;
            transform: scale(1.02);
        }
        .comment-list {
            margin-top: 16px;
            max-height: 260px;
            overflow-y: auto;
        }
        .comment-item {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: .9rem;
        }
        .comment-item strong {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            padding: 16px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: .85rem;
            transition: .25s;
        }
        friend-link a:hover {
            border-color: var(--primary);
            background: var(--primary-dark);
            color: #fff;
        }
        .site-footer {
            background: var(--bg-nav);
            border-top: 2px solid var(--border);
            padding: 30px 20px 20px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: .85rem;
            color: var(--text-muted);
        }
        .footer-inner .copyright i {
            color: var(--primary);
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-nav);
                padding: 12px 0;
                border-top: 1px solid var(--border);
                gap: 2px;
            }
            .nav-list a {
                display: block;
                padding: 10px 20px;
                border-radius: 0;
                border: none;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .nav-wrap {
                width: 100%;
                order: 3;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-main h2 {
                font-size: 1.5rem;
            }
            .content-main h3 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 24px 12px;
            }
            .hero h1 {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: .75rem;
                padding: 6px 12px;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
            }
        }
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }