* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #5865F2;
            --primary-dark: #454FBF;
            --secondary: #EB459E;
            --accent: #FAA61A;
            --bg: #0d1117;
            --bg-card: #161b22;
            --bg-light: #21262d;
            --text: #e6edf3;
            --text-muted: #9198a1;
            --border: #30363d;
            --radius: 12px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: 1200px;
            margin: 0 auto;
            gap: 16px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }
        .my-logo span {
            font-weight: 400;
            font-size: 1rem;
            color: var(--text-muted);
            -webkit-text-fill-color: var(--text-muted);
        }
        .main-nav {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(88, 101, 242, 0.15);
            color: var(--primary);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--text);
            cursor: pointer;
        }
        .breadcrumb-wrap {
            background: var(--bg);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 0.65rem;
            color: var(--text-muted);
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 40px 0 30px;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 12px;
            background: linear-gradient(90deg, #a78bfa, #f472b6, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            margin-top: 12px;
            background: rgba(88, 101, 242, 0.2);
            border: 1px solid rgba(88, 101, 242, 0.4);
            color: #a5b4fc;
            border-radius: 30px;
            padding: 4px 16px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--primary);
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar ul li {
            padding: 4px 0;
        }
        .sidebar ul li a {
            color: var(--text);
            font-size: 0.85rem;
        }
        .sidebar ul li a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            margin-bottom: 32px;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 8px;
            margin-top: 0;
            color: var(--text);
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
        }
        .section-subtitle {
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 24px 0 10px;
            color: #d2d8e0;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 18px 0 8px;
            color: #b8c0cc;
        }
        .highlight {
            background: linear-gradient(transparent 60%, rgba(250, 166, 26, 0.35) 60%);
            padding: 0 2px;
        }
        .info-box {
            background: rgba(88, 101, 242, 0.08);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .tips-box {
            background: rgba(235, 69, 158, 0.07);
            border-left: 4px solid var(--secondary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .emoji {
            font-style: normal;
        }
        .featured-image {
            margin: 24px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            max-height: 450px;
            object-fit: cover;
            display: block;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            background: var(--bg-card);
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
        }
        .form-area {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
        }
        .form-area h2 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .form-area input,
        .form-area textarea,
        .form-area select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text);
            font-size: 0.95rem;
            margin-bottom: 12px;
            transition: border 0.2s;
        }
        .form-area input:focus,
        .form-area textarea:focus,
        .form-area select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-area textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .rating-stars {
            display: flex;
            gap: 4px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .rating-stars input[type="radio"] {
            display: none;
        }
        .rating-stars label {
            font-size: 1.5rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars input:checked+label,
        .rating-stars label:hover {
            color: var(--accent);
        }
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 32px 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid h4 {
            color: var(--text);
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .footer-grid a {
            display: block;
            padding: 2px 0;
            font-size: 0.9rem;
        }
        .friend-link {
            background: var(--bg-light);
            border-radius: 8px;
            padding: 12px 16px;
            margin-top: 16px;
        }
        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding: 20px 24px 0;
            border-top: 1px solid var(--border);
            margin-top: 24px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
        }
        @media (max-width: 768px) {
            .header-wrap {
                padding: 10px 16px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .card {
                padding: 18px;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: #30363d;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #484f58;
        }