:root {
            --primary-bg: #0f1a2b;
            --secondary-bg: #1a2b3e;
            --accent-color: #8a6dff;
            --accent-hover: #a28bff;
            --text-primary: #f0f4f8;
            --text-secondary: #b0b8c5;
            --border-color: #2a3b52;
            --card-bg: #16253d;
            --success-color: #4cd964;
            --warning-color: #ff9500;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-hover);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--secondary-bg);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-color), #ff6b9d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--card-bg);
            padding: 12px 20px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:last-child {
            color: var(--accent-color);
        }
        .breadcrumb i {
            margin: 0 10px;
            color: var(--border-color);
        }
        .hero {
            padding: 60px 0;
            text-align: center;
            background: radial-gradient(circle at center, #1a2b3e 0%, #0f1a2b 100%);
            border-bottom: 1px solid var(--border-color);
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-color);
            display: block;
        }
        .stat-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-secondary);
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .main-content {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        .sidebar {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1, h2, h3, h4 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #8a6dff;
        }
        h3 {
            font-size: 1.8rem;
        }
        h4 {
            font-size: 1.4rem;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, var(--secondary-bg), #253656);
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            border-radius: 0 10px 10px 0;
            margin: 30px 0;
        }
        .tip {
            background-color: rgba(76, 217, 100, 0.1);
            border-left: 5px solid var(--success-color);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .tip i {
            color: var(--success-color);
            margin-right: 10px;
        }
        .warning {
            background-color: rgba(255, 149, 0, 0.1);
            border-left: 5px solid var(--warning-color);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .warning i {
            color: var(--warning-color);
            margin-right: 10px;
        }
        img.responsive-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            margin: 25px 0;
            display: block;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: -15px;
            margin-bottom: 25px;
            font-size: 0.95rem;
        }
        ul, ol {
            padding-left: 30px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.8em;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
        }
        .link-pill {
            background-color: var(--secondary-bg);
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.95rem;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .link-pill:hover {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
            transform: translateY(-3px);
        }
        .interactive-section {
            background-color: var(--secondary-bg);
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .search-box {
            display: flex;
            margin-bottom: 30px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 15px 20px;
            background-color: var(--primary-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px 0 0 8px;
            color: var(--text-primary);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .search-box button:hover {
            background-color: var(--accent-hover);
        }
        .rating-system {
            text-align: center;
            padding: 25px;
            background-color: var(--card-bg);
            border-radius: 12px;
            margin: 30px 0;
        }
        .stars {
            font-size: 2.5rem;
            margin: 20px 0;
            color: var(--border-color);
            cursor: pointer;
        }
        .stars i {
            margin: 0 5px;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: var(--warning-color);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            background-color: var(--primary-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-family: var(--font-main);
            margin-bottom: 15px;
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
        }
        .form-row input {
            flex: 1;
            padding: 12px 15px;
            background-color: var(--primary-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
        }
        .submit-btn {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .submit-btn:hover {
            background-color: var(--accent-hover);
        }
        .site-footer {
            background-color: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 1.2rem;
            margin-bottom: 25px;
            color: var(--text-primary);
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
            background-color: var(--primary-bg);
            padding: 15px;
            border-radius: 8px;
            margin: 10px 0;
            border: 1px dashed var(--border-color);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--accent-color);
            font-weight: 600;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.6rem;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--secondary-bg);
                padding: 20px;
                border-top: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .stats {
                gap: 20px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .main-content {
                padding: 25px;
            }
            .form-row {
                flex-direction: column;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
        }