*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #6c3eb8;
            --primary-dark: #4a2787;
            --primary-light: #9b6fe0;
            --accent: #f5c32c;
            --accent-dark: #d9a81e;
            --bg: #0d0b1a;
            --bg-card: #1a1530;
            --bg-card2: #231e3a;
            --text: #f0edf8;
            --text-muted: #b5aed4;
            --text-dark: #2d2640;
            --border: #3a3155;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            --radius: 16px;
            --radius-sm: 10px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 70px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus {
            color: #fff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
            color: var(--accent);
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.2rem;
            color: var(--primary-light);
        }
        p {
            margin-bottom: 1.2rem;
            color: var(--text);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(135deg, #1a1530 0%, #2d1f4a 100%);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.2rem;
            gap: 1rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo span {
            background: linear-gradient(90deg, var(--accent), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            -webkit-text-fill-color: var(--text-muted);
            display: block;
            letter-spacing: 0.3px;
        }
        nav#main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        nav#main-nav a {
            color: var(--text-muted);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        nav#main-nav a:hover,
        nav#main-nav a.active {
            color: #fff;
            background: rgba(245, 195, 44, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            padding: 0.8rem 0 0.3rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--border);
        }
        .hero {
            background: linear-gradient(145deg, #1e1740, #0d0b1a);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            margin: 1.5rem 0 2rem;
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            margin-bottom: 0.8rem;
        }
        .hero-content .tagline {
            font-size: 1.15rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .hero-content p {
            font-size: 1.05rem;
            max-width: 540px;
        }
        .hero-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .hero-image img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .search-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.5rem;
            margin: 1.8rem 0;
            border: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem;
        }
        .search-wrap label {
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-wrap form {
            display: flex;
            flex: 1;
            min-width: 200px;
            gap: 0.5rem;
        }
        .search-wrap input[type="text"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-wrap input[type="text"]:focus {
            border-color: var(--accent);
        }
        .search-wrap button {
            padding: 0.7rem 1.4rem;
            background: var(--accent);
            color: var(--text-dark);
            border: none;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-size: 0.95rem;
        }
        .search-wrap button:hover {
            background: var(--accent-dark);
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-h) + 1.5rem);
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 1.5rem;
            border: 1px solid var(--border);
            margin-bottom: 1.5rem;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card li a {
            display: block;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .sidebar-card li a:hover {
            background: rgba(245, 195, 44, 0.1);
            text-decoration: none;
        }
        .section-box {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            border: 1px solid var(--border);
            transition: border-color 0.3s;
        }
        .section-box:hover {
            border-color: var(--primary);
        }
        .highlight {
            background: linear-gradient(135deg, rgba(108, 62, 184, 0.2), rgba(245, 195, 44, 0.08));
            border-left: 4px solid var(--accent);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.2rem 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.2rem 0;
        }
        .stat-item {
            background: var(--bg-card2);
            padding: 1.2rem 1rem;
            border-radius: var(--radius-sm);
            text-align: center;
            border: 1px solid var(--border);
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .btn {
            display: inline-block;
            padding: 0.6rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all 0.25s;
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-dark);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: var(--text-dark);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .interaction-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.5rem 1.8rem;
            border: 1px solid var(--border);
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg);
            color: #fff;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.3s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: var(--accent);
        }
        .interaction-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .interaction-card .star-rating input {
            display: none;
        }
        .interaction-card .star-rating label {
            font-size: 1.8rem;
            color: var(--border);
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .interaction-card .star-rating label:hover,
        .interaction-card .star-rating label:hover~label,
        .interaction-card .star-rating input:checked~label {
            color: var(--accent);
            transform: scale(1.1);
        }
        .interaction-card button {
            align-self: flex-start;
            padding: 0.7rem 2rem;
            background: var(--accent);
            color: var(--text-dark);
            border: none;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-size: 0.95rem;
        }
        .interaction-card button:hover {
            background: var(--accent-dark);
            transform: scale(1.02);
        }
        footer {
            background: linear-gradient(135deg, #1a1530, #0d0b1a);
            border-top: 2px solid var(--border);
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: var(--accent);
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            margin-bottom: 0.4rem;
        }
        .footer-grid li a {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-grid li a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            background: var(--bg-card2);
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid var(--border);
            font-size: 0.9rem;
        }
        friend-link a {
            color: var(--primary-light);
            margin-right: 1.2rem;
            display: inline-block;
            padding: 0.2rem 0;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .copyright strong {
            color: var(--text);
        }
        .last-updated {
            display: inline-block;
            background: var(--bg-card2);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        @media (max-width: 900px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 1.8rem 1.2rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 640px) {
            :root {
                --header-h: 60px;
            }
            .header-inner {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            nav#main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #1a1530;
                flex-direction: column;
                padding: 1rem;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow);
                gap: 0.2rem;
                z-index: 999;
            }
            nav#main-nav.open {
                display: flex;
            }
            nav#main-nav a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: 6px;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 1.2rem 1rem;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .section-box {
                padding: 1.2rem 1rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .search-wrap {
                flex-direction: column;
                align-items: stretch;
            }
            .search-wrap form {
                flex-direction: column;
            }
            .interaction-card {
                padding: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.7rem;
            }
            h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 400px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
        }
        @media print {
            header,
            .search-wrap,
            .interaction-area,
            .sidebar,
            .hamburger,
            nav#main-nav {
                display: none !important;
            }
            body {
                background: #fff;
                color: #222;
            }
            .section-box,
            .hero {
                background: #f5f5f5;
                border-color: #ccc;
            }
            h1,
            h2,
            h3,
            h4 {
                color: #111;
            }
            a {
                color: #333;
                text-decoration: underline;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-2 {
            margin-top: 1.5rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .inline-list {
            display: inline;
            padding: 0;
            list-style: none;
        }
        .inline-list li {
            display: inline;
            margin-right: 0.8rem;
        }