* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #0a1f2d;
            --primary-accent: #00b4d8;
            --secondary-accent: #ff9e00;
            --text-light: #e0f7fa;
            --text-gray: #b0bec5;
            --bg-card: #1a2b3c;
            --border-color: #2a4d6e;
            --success: #4caf50;
            --warning: #ff9800;
        }
        body {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #152535 100%);
            color: var(--text-light);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--secondary-accent);
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .site-header {
            background-color: rgba(10, 31, 45, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            filter: brightness(1.2);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover {
            border-bottom-color: var(--primary-accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            display: none;
            flex-direction: column;
            padding: 20px;
            gap: 15px;
            z-index: 999;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px;
            border-left: 4px solid var(--primary-accent);
            background-color: rgba(255,255,255,0.05);
            border-radius: 0 5px 5px 0;
        }
        .breadcrumb {
            padding: 15px 0;
            color: var(--text-gray);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .search-container {
            margin: 30px 0;
            background: var(--bg-card);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            background-color: #0f1c28;
            color: var(--text-light);
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-accent);
        }
        .search-btn {
            background: linear-gradient(90deg, var(--primary-accent), #0093b8);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-btn:hover {
            background: linear-gradient(90deg, #0093b8, var(--primary-accent));
            transform: scale(1.03);
        }
        .main-content {
            flex-grow: 1;
        }
        .article-header {
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(90deg, var(--text-light), var(--primary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2.5rem;
            }
        }
        .article-meta {
            color: var(--text-gray);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        .update-time {
            color: var(--warning);
            font-weight: bold;
        }
        .content-section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2.3rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-accent);
            color: var(--text-light);
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #b3e5fc;
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 12px;
            color: var(--secondary-accent);
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(0, 180, 216, 0.15);
            border-left: 5px solid var(--primary-accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 15px;
            margin: 25px 0;
        }
        .link-item {
            background: var(--bg-card);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }
        .link-item:hover {
            border-color: var(--primary-accent);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 180, 216, 0.2);
        }
        .feature-img {
            margin: 40px auto;
            max-width: 900px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            border: 2px solid var(--border-color);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .rating-box, .comment-box {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .rating-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-input {
            padding: 12px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: #0f1c28;
            color: var(--text-light);
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--secondary-accent), #e68900);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #e68900, var(--secondary-accent));
        }
        .comment-list {
            margin-top: 25px;
            max-height: 300px;
            overflow-y: auto;
            padding-right: 10px;
        }
        .comment-item {
            background: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
        }
        .site-footer {
            background-color: #091520;
            border-top: 2px solid var(--border-color);
            margin-top: 80px;
            padding: 50px 0 30px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--primary-accent);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        friend-link {
            display: inline-block;
            background: rgba(0, 180, 216, 0.1);
            padding: 8px 15px;
            border-radius: 5px;
            margin: 5px;
            border: 1px dashed var(--primary-accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }