*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #6C2BD9;
            --primary-light: #9B4DFF;
            --primary-dark: #1E0A3C;
            --accent: #FF6B35;
            --bg: #F8F6FC;
            --white: #fff;
            --text: #2D2D2D;
            --muted: #666;
            --border: #E8E5F0;
            --radius: 12px;
            --shadow: 0 4px 24px rgba(30, 10, 60, .08);
            --transition: all .3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary) 50%, var(--primary-light));
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(30, 10, 60, .3);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--white);
            letter-spacing: 2px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: .5rem;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent);
            transform: scale(1.03);
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2rem;
        }
        .nav-links {
            display: flex;
            gap: 1.5rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: rgba(255, 255, 255, .92);
            font-weight: 600;
            font-size: .95rem;
            padding: .4rem .8rem;
            border-radius: 30px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, .15);
            color: var(--white);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: .3rem .5rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, .1);
        }
        .breadcrumb {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: .7rem 2rem;
            font-size: .9rem;
        }
        .breadcrumb-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: .5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: var(--muted);
            font-weight: 500;
        }
        .breadcrumb-inner a:hover {
            color: var(--primary);
        }
        .breadcrumb-inner .separator {
            color: #ccc;
        }
        .breadcrumb-inner .current {
            color: var(--primary);
            font-weight: 600;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .main-content {
            min-height: 60vh;
        }
        .main-content h1 {
            font-size: 2.4rem;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 1rem;
            font-weight: 800;
        }
        .main-content h2 {
            font-size: 1.7rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: .5rem;
            border-bottom: 3px solid var(--primary-light);
            font-weight: 700;
        }
        .main-content h3 {
            font-size: 1.25rem;
            color: var(--primary-dark);
            margin: 1.8rem 0 .8rem;
            font-weight: 600;
        }
        .main-content h4 {
            font-size: 1rem;
            color: var(--text);
            margin: 1.2rem 0 .5rem;
            font-weight: 600;
            font-style: italic;
        }
        .main-content p {
            margin-bottom: 1.2rem;
            color: var(--text);
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 1.2rem 1.5rem;
        }
        .main-content li {
            margin-bottom: .5rem;
        }
        .callout {
            background: linear-gradient(135deg, #F0E8FF, #F8F0FF);
            border-left: 4px solid var(--primary);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.5rem 0;
            font-size: .95rem;
        }
        .callout i {
            color: var(--primary);
            margin-right: .5rem;
        }
        .content-image {
            margin: 2rem 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .content-image img {
            width: 100%;
            object-fit: cover;
        }
        .content-image figcaption {
            padding: .8rem 1rem;
            background: var(--white);
            font-size: .85rem;
            color: var(--muted);
            text-align: center;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 1.5rem;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: .5rem;
        }
        .sidebar-card h3 i {
            color: var(--primary);
        }
        .sidebar-link-list {
            list-style: none;
        }
        .sidebar-link-list li {
            margin-bottom: .6rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: .6rem;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: .9rem;
            font-weight: 500;
        }
        .sidebar-link-list a i {
            color: var(--primary);
            font-size: .8rem;
        }
        .search-box {
            display: flex;
            margin-top: .5rem;
        }
        .search-box input {
            flex: 1;
            padding: .65rem 1rem;
            border: 2px solid var(--border);
            border-radius: 30px 0 0 30px;
            font-size: .9rem;
            outline: none;
            transition: var(--transition);
        }
        .search-box input:focus {
            border-color: var(--primary);
        }
        .search-box button {
            background: var(--primary);
            border: none;
            padding: .65rem 1.2rem;
            border-radius: 0 30px 30px 0;
            color: var(--white);
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary-light);
        }
        .user-interaction {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid var(--border);
        }
        .user-interaction h2 {
            margin-top: 0;
            border-bottom: none;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: .4rem;
            font-size: .9rem;
            color: var(--primary-dark);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: .7rem 1rem;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: .9rem;
            transition: var(--transition);
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(108, 43, 217, .1);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: .75rem 2rem;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .btn:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(108, 43, 217, .3);
        }
        .rating-stars {
            display: flex;
            gap: .3rem;
            font-size: 1.6rem;
            cursor: pointer;
            margin: .5rem 0;
        }
        .rating-stars i {
            color: #ddd;
            transition: var(--transition);
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: #FFB800;
        }
        .faq-item {
            margin-bottom: 1rem;
            background: var(--white);
            border-radius: var(--radius);
            padding: 1rem 1.5rem;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-item details {
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: .95rem;
        }
        .faq-item p {
            padding-top: .8rem;
            margin: 0;
            font-size: .9rem;
        }
        .review-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 1.5rem;
            border: 1px solid var(--border);
            margin-bottom: 1rem;
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: .8rem;
            margin-bottom: 1rem;
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .review-stars {
            color: #FFB800;
            font-size: .9rem;
        }
        .review-date {
            font-size: .8rem;
            color: var(--muted);
        }
        .site-footer {
            background: var(--primary-dark);
            padding: 2.5rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: var(--white);
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        friend-link {
            display: block;
            background: var(--primary);
            color: var(--white);
            padding: 1.5rem 2rem;
            border-radius: var(--radius);
            margin: 2rem auto;
            max-width: 1280px;
            text-align: center;
        }
        friend-link a {
            color: var(--white);
            font-weight: 600;
            margin: 0 .8rem;
            text-decoration: underline;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            color: rgba(255, 255, 255, .7);
            font-size: .85rem;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-content h1 {
                font-size: 1.8rem;
            }
            .main-content h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }