*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #6c5ce7;
            --primary-dark: #4a3db8;
            --secondary: #00b894;
            --accent: #fd79a8;
            --bg: #0a0a1a;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3a;
            --text: #e8e8f0;
            --text-muted: #9a9ab0;
            --border: #2a2a4a;
            --radius: 16px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #00e6b8;
        }
        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 {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text-muted);
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.25);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .breadcrumb-wrap {
            background: rgba(255, 255, 255, 0.02);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: var(--text-muted);
            font-size: 1.1rem;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }
        .hero {
            padding: 48px 0 32px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.2;
            background: linear-gradient(135deg, #fff 30%, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto 24px;
        }
        .hero .meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 32px 0 60px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            align-self: start;
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 48px 0 16px;
            letter-spacing: -0.3px;
            color: #fff;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 32px 0 12px;
            color: #f0f0ff;
        }
        .main-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #d0d0e8;
        }
        .main-content p {
            margin-bottom: 16px;
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }
        .main-content p strong {
            color: #f0f0ff;
            font-weight: 600;
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 20px 24px;
            color: var(--text-muted);
        }
        .main-content li {
            margin-bottom: 6px;
        }
        .main-content .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin: 20px 0;
            transition: all 0.3s ease;
        }
        .main-content .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .main-content .feature-card h4 {
            margin-top: 0;
        }
        .main-content .feature-card p:last-child {
            margin-bottom: 0;
        }
        .img-block {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
        }
        .img-block img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-block .caption {
            padding: 12px 18px;
            font-size: 0.85rem;
            color: var(--text-muted);
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(0, 184, 148, 0.08));
            border: 1px solid rgba(108, 92, 231, 0.25);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .search-section {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            margin: 32px 0;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 40px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 14px 32px;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            transform: scale(1.03);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .interact-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interact-card textarea,
        .interact-card input[type="text"],
        .interact-card select {
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            font-family: var(--font);
            transition: border 0.3s;
        }
        .interact-card textarea:focus,
        .interact-card input:focus,
        .interact-card select:focus {
            border-color: var(--primary);
        }
        .interact-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interact-card select {
            cursor: pointer;
        }
        .interact-card button {
            padding: 12px 24px;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.95rem;
        }
        .interact-card button:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ffc107;
            cursor: pointer;
            user-select: none;
        }
        .star-rating i {
            transition: transform 0.2s, color 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
            color: #ffd54f;
        }
        .sidebar .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar .card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
            border-bottom: 1px solid var(--border);
            padding-bottom: 10px;
        }
        .sidebar .card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar .card li {
            margin-bottom: 8px;
        }
        .sidebar .card a {
            display: block;
            padding: 8px 12px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.02);
            transition: all 0.25s;
            font-size: 0.92rem;
            color: var(--text-muted);
        }
        .sidebar .card a:hover {
            background: rgba(108, 92, 231, 0.15);
            color: #fff;
            padding-left: 18px;
        }
        .site-footer {
            background: rgba(0, 0, 0, 0.4);
            border-top: 1px solid var(--border);
            padding: 40px 0 28px;
            margin-top: auto;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .footer-inner h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
        }
        .friend-link a {
            background: rgba(255, 255, 255, 0.04);
            padding: 6px 16px;
            border-radius: 40px;
            border: 1px solid var(--border);
            font-size: 0.85rem;
            transition: all 0.25s;
        }
        .friend-link a:hover {
            background: rgba(108, 92, 231, 0.15);
            border-color: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid var(--border);
            font-size: 0.82rem;
            color: var(--text-muted);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .copyright strong {
            color: #ccc;
        }
        @media (max-width: 1024px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .sidebar .card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--border);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 12px;
            }
            .hamburger {
                display: block;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .hero .meta {
                flex-direction: column;
                gap: 8px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 14px;
            }
            .search-section {
                padding: 20px;
            }
            .interact-card {
                padding: 20px;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gap-2 {
            gap: 8px;
        }
        .flex {
            display: flex;
            align-items: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }