:root {
            --primary: #8a2be2;
            --secondary: #4b0082;
            --accent: #ff6b9d;
            --light: #f9f3ff;
            --dark: #1a0a2e;
            --text: #333;
            --text-light: #666;
            --border: #e0d0f0;
            --shadow: rgba(138, 43, 226, 0.1);
            --success: #2ecc71;
            --warning: #f39c12;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.7;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo i {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .nav-desktop a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: var(--secondary);
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            border-top: 2px solid var(--accent);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: var(--light);
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--text-light);
            margin: 0 5px;
        }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1200px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 10px 40px var(--shadow);
            margin-bottom: 3rem;
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--accent);
            padding-left: 1.5rem;
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--border);
        }
        h3 {
            color: var(--secondary);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--text);
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 600;
            background: linear-gradient(90deg, var(--light), white);
            padding: 1.5rem;
            border-radius: 12px;
            border-left: 4px solid var(--accent);
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255,107,157,0.1) 0%, rgba(138,43,226,0.1) 100%);
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
            border: 1px solid var(--border);
        }
        .feature-box {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(138,43,226,0.15);
        }
        .feature-box i {
            color: var(--accent);
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: scale(1.05);
        }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 800;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
            border: 5px solid white;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            margin-top: 0.8rem;
            font-style: italic;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        ul, ol {
            margin: 1.5rem 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        a.article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--primary);
            transition: all 0.3s;
        }
        a.article-link:hover {
            color: var(--accent);
            border-bottom: 2px solid var(--accent);
            background-color: rgba(138,43,226,0.05);
        }
        .quote {
            border-left: 4px solid var(--accent);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background: var(--light);
            font-style: italic;
            border-radius: 0 12px 12px 0;
        }
        .quote-author {
            text-align: right;
            color: var(--text-light);
            font-weight: 600;
            margin-top: 1rem;
        }
        .tip {
            background: #e8f4fc;
            border-left: 4px solid #3498db;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning {
            background: #fef9e7;
            border-left: 4px solid var(--warning);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .step-by-step {
            counter-reset: step;
            margin: 2.5rem 0;
        }
        .step {
            background: white;
            padding: 1.5rem 1.5rem 1.5rem 4rem;
            margin-bottom: 1.5rem;
            border-radius: 12px;
            border: 1px solid var(--border);
            position: relative;
            transition: all 0.3s;
        }
        .step:hover {
            border-color: var(--primary);
            box-shadow: 0 5px 15px rgba(138,43,226,0.1);
        }
        .step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (max-width: 1200px) {
            .sidebar {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 2rem;
            }
        }
        .widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            border: 1px solid var(--border);
        }
        .widget-title {
            color: var(--secondary);
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--accent);
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--border);
            border-right: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus {
            border-color: var(--primary);
        }
        .search-button {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            transform: scale(1.05);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--warning);
        }
        .rating-submit {
            background: var(--warning);
            color: white;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            align-self: flex-start;
        }
        .rating-submit:hover {
            background: #e67e22;
            transform: translateY(-2px);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
            color: var(--text);
        }
        .form-input, .form-textarea {
            padding: 0.8rem 1rem;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(138,43,226,0.1);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-submit {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            align-self: flex-start;
        }
        .form-submit:hover {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 7px 15px rgba(138,43,226,0.3);
        }
        .related-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding: 0;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
            padding: 0.8rem 1rem;
            border-radius: 10px;
            background: var(--light);
            transition: all 0.3s;
        }
        .related-links a:hover {
            background: rgba(138,43,226,0.1);
            color: var(--primary);
            transform: translateX(5px);
        }
        .related-links i {
            color: var(--primary);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-logo span {
            color: var(--accent);
        }
        .footer-description {
            color: #bbb;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .footer-heading {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(255,255,255,0.1);
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }
        .footer-links i {
            width: 20px;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding: 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            border-left: 4px solid var(--accent);
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: inline-block;
            margin-top: 1rem;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .text-primary {
            color: var(--primary);
        }
        .text-accent {
            color: var(--accent);
        }
        .bold {
            font-weight: 800;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border), transparent);
            margin: 2.5rem 0;
        }
        @media (max-width: 768px) {
            .site-header, .breadcrumb, .main-container, footer {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            article {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
        }