* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c0c1d 0%, #1a1a2e 100%);
            color: #e0e0ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #ffcc80;
            text-shadow: 0 0 8px rgba(255, 204, 128, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #ff6b6b, #ffa726);
            color: #1a1a2e;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
        }
        .section-spacing {
            padding: 60px 0;
        }
        header {
            background: rgba(12, 12, 29, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #333355;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b6b, #ffcc80, #4fc3f7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            background: linear-gradient(90deg, #4fc3f7, #ffcc80, #ff6b6b);
            -webkit-background-clip: text;
            background-clip: text;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffcc80;
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc80;
        }
        .mobile-nav {
            display: none;
            background: rgba(26, 26, 46, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #333355;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .mobile-nav a {
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-left: 4px solid transparent;
        }
        .mobile-nav a:hover {
            border-left-color: #ffcc80;
            background: rgba(255, 204, 128, 0.1);
        }
        .breadcrumb {
            padding: 15px 20px;
            background: rgba(26, 26, 46, 0.8);
            font-size: 0.95rem;
            border-bottom: 1px solid #333355;
        }
        .breadcrumb a {
            color: #b0b0ff;
        }
        .breadcrumb span {
            color: #ffcc80;
        }
        .hero {
            padding: 80px 20px;
            text-align: center;
            background: radial-gradient(circle at center, #1a1a2e 0%, #0c0c1d 100%);
            border-bottom: 2px solid #333355;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #ffcc80, #ff6b6b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #c0c0ff;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(26, 26, 46, 0.7);
            border-radius: 15px;
            padding: 40px;
            border: 1px solid #333355;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            background: rgba(26, 26, 46, 0.7);
            border-radius: 15px;
            padding: 25px;
            border: 1px solid #333355;
            align-self: start;
            position: sticky;
            top: 140px;
        }
        h1, h2, h3, h4 {
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            font-weight: 800;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #ff6b6b;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #ffcc80;
            border-left: 6px solid #4fc3f7;
            padding-left: 15px;
            margin-top: 2em;
        }
        h3 {
            font-size: 1.8rem;
            color: #a5d6ff;
        }
        h4 {
            font-size: 1.5rem;
            color: #ffab91;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: #ffcc80;
            font-weight: 700;
        }
        em {
            color: #a5d6ff;
            font-style: italic;
        }
        blockquote {
            border-left: 5px solid #ff6b6b;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            background: rgba(255, 107, 107, 0.05);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 10px;
            padding-left: 10px;
        }
        li::marker {
            color: #ffcc80;
        }
        .search-box {
            margin-bottom: 40px;
            background: rgba(12, 12, 29, 0.8);
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #4fc3f7;
        }
        .search-box h3 {
            margin-top: 0;
            margin-bottom: 15px;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid #333355;
            background: #0c0c1d;
            color: #e0e0ff;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background: #4fc3f7;
            color: #0c0c1d;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #29b6f6;
        }
        .rating-widget, .comments-widget {
            background: rgba(12, 12, 29, 0.8);
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
            border: 1px solid #333355;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: #333355;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffcc80;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            background: #0c0c1d;
            border: 2px solid #333355;
            color: #e0e0ff;
            border-radius: 8px;
            min-height: 120px;
            margin-bottom: 15px;
            font-size: 1rem;
        }
        .update-time {
            background: rgba(255, 107, 107, 0.1);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 25px;
            text-align: center;
            border: 1px dashed #ff6b6b;
        }
        .update-time i {
            color: #ff6b6b;
            margin-right: 10px;
        }
        .related-links {
            margin-top: 30px;
        }
        .related-links h4 {
            margin-top: 0;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffcc80;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding: 12px;
            background: rgba(79, 195, 247, 0.05);
            border-radius: 6px;
            border-left: 4px solid transparent;
            transition: all 0.3s;
        }
        .related-links li:hover {
            border-left-color: #ffcc80;
            background: rgba(255, 204, 128, 0.1);
            transform: translateX(5px);
        }
        .related-links a {
            color: #e0e0ff;
            display: block;
        }
        .featured-image {
            margin: 40px 0;
            text-align: center;
            border-radius: 12px;
            overflow: hidden;
            border: 3px solid #333355;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            padding: 15px;
            background: rgba(12, 12, 29, 0.9);
            font-style: italic;
            color: #b0b0ff;
            border-top: 1px solid #333355;
        }
        footer {
            background: #0c0c1d;
            padding: 60px 20px 30px;
            border-top: 2px solid #333355;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #ffcc80;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
        }
        .friend-links a {
            background: rgba(255, 204, 128, 0.1);
            padding: 8px 16px;
            border-radius: 6px;
            border: 1px solid #333355;
            font-size: 0.9rem;
        }
        .friend-links a:hover {
            background: rgba(255, 204, 128, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333355;
            color: #8888cc;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            .desktop-nav { display: none; }
            .mobile-menu-toggle { display: block; }
            .header-container { padding: 12px 15px; }
            .article-content, .sidebar { padding: 25px; }
            main { padding: 20px 15px; gap: 25px; }
            .section-spacing { padding: 40px 0; }
        }