* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #f0f0f0;
            background: linear-gradient(135deg, #0c0c1d 0%, #1a1a2e 50%, #16213e 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { color: #4dabf7; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #a5d8ff; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section { padding: 3rem 0; }
        h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; margin-bottom: 1rem; color: #fff; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); text-align: center; }
        h2 { font-size: clamp(2rem, 4vw, 2.8rem); border-left: 5px solid #ff6b6b; padding-left: 1rem; margin-top: 2.5rem; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); color: #ffd166; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #8ac926; margin-top: 1.5rem; }
        p { margin-bottom: 1.2rem; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #ccc; }
        .highlight { background: linear-gradient(90deg, rgba(255,107,107,0.2), transparent); padding: 0.2rem 0.5rem; border-radius: 4px; }
        .keyword { font-weight: bold; color: #ffd166; }
        .update-time { font-size: 0.9rem; color: #888; font-style: italic; text-align: right; margin-top: 2rem; }
        .site-header {
            background: rgba(10, 10, 25, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #333;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover { text-decoration: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ddd;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background: rgba(77, 171, 247, 0.1);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: rgba(255,255,255,0.05);
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #888;
        }
        .interactive-module {
            background: rgba(30, 30, 60, 0.7);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid #444;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 1.5rem;
            color: #4dabf7;
        }
        .module-title i { font-size: 1.5rem; }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #ccc;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: 8px;
            border: 1px solid #555;
            background: rgba(15, 15, 35, 0.8);
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #4dabf7;
        }
        .btn {
            padding: 0.8rem 2rem;
            background: linear-gradient(45deg, #ff6b6b, #ff8e53);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
            text-decoration: none;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #555;
            cursor: pointer;
            font-size: 1.8rem;
            transition: color 0.2s;
        }
        .star.active,
        .star:hover { color: #ffd166; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .article-content {
            background: rgba(20, 20, 40, 0.7);
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .article-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem auto;
            border: 2px solid #444;
            overflow: hidden;
        }
        .article-img img { transition: transform 0.5s; }
        .article-img:hover img { transform: scale(1.03); }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
        }
        .related-links {
            background: rgba(30, 30, 60, 0.5);
            border-left: 4px solid #8ac926;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .related-links h4 { margin-top: 0; }
        .related-links ul { list-style: none; }
        .related-links li { margin-bottom: 0.8rem; }
        .sidebar-widget {
            background: rgba(20, 20, 40, 0.7);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid #333;
        }
        .widget-title {
            color: #ff8e53;
            border-bottom: 2px solid #444;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .site-footer {
            background: rgba(5, 5, 15, 0.95);
            border-top: 1px solid #333;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            margin-bottom: 0.5rem;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(77, 171, 247, 0.15);
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 25, 0.98);
                flex-direction: column;
                padding: 1rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #333;
            }
            .article-content { padding: 1.5rem; }
            .interactive-module { padding: 1.5rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        hr {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, #555, transparent);
            margin: 2.5rem 0;
        }