:root {
            --primary: #4a9df0;
            --primary-light: #8b87ff;
            --primary-dark: #534ecf;
            --secondary: #4fb9af;
            --dark: #1a1a3d;
            --light: #f8f9ff;
            --gray: #e4e8f0;
            --text: #333366;
            --text-light: #666699;
            --shadow: 0 5px 15px rgba(106, 101, 255, 0.1);
            --transition: all 0.3s ease;
        }
        a{text-decoration:none}
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', 'Poppins', sans-serif;
            background-color: #f5f7ff;
            color: var(--text);
            line-height: 1.6;
        }
        
         header {
            background: var(--light);
            color: var(--text);
            padding: 1rem 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            color: var(--primary);
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 2rem;
            color: var(--primary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 2rem;
        }
        
        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 30px;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        
        .nav-links a:hover, 
        .nav-links a.active {
            color: var(--primary);
            background: rgba(74, 157, 240, 0.1);
        }
        
        .auth-buttons {
            display: flex;
            gap: 15px;
        }
        
        .auth-btn {
            padding: 10px 25px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            font-size: 1rem;
        }
        
        .login {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--primary);
        }
        
        .signup {
            background: var(--gradient);
            color: white;
            box-shadow: var(--shadow);
        }
        
        .auth-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(106, 101, 255, 0.15);
        }
        
        /* Main Content Styles */
        .container {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: flex;
            gap: 2.5rem;
        }
        
        .content-left {
            flex: 3;
        }
        
        .content-right {
            flex: 1;
        }
        
        .page-header {
            margin-bottom: 2rem;
        }
        
        .page-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.5rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .page-description {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 700px;
        }
        
        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        
        .article-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            height: 220px;
        }
        
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(106, 101, 255, 0.15);
        }
        
        .article-cover {
            flex: 0 0 280px;
            overflow: hidden;
        }
        
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .article-card:hover .article-cover img {
            transform: scale(1.05);
        }
        
        .article-content {
            padding: 1rem 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .article-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--dark);
            transition: var(--transition);
            line-height: 2.3rem;
        }
        
        .article-card:hover .article-title {
            color: var(--primary);
        }
        
        .article-excerpt {
            color: var(--text-light);
            margin-bottom: 1.2rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #9999cc;
            font-size: 0.9rem;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        /* Sidebar Styles */
        .sidebar-section {
            background: white;
            border-radius: 16px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        
        .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--gray);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .view-all {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        
        .view-all:hover {
            color: var(--primary-dark);
        }
        
        .top-music-list, .top-articles-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        
        .music-item, .article-item {
            display: flex;
            gap: 1rem;
            align-items: center;
            transition: var(--transition);
            padding: 0.5rem;
            border-radius: 8px;
            color: inherit
        }
        
        .music-item:hover, .article-item:hover {
            background: var(--light);
        }
        
        .item-cover {
            flex: 0 0 60px;
            height: 60px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .item-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .item-info {
            flex: 1;
        }
        
        .item-title {
            font-weight: 600;
            margin-bottom: 4px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .music-item:hover .item-title, .article-item:hover .item-title {
            color: var(--primary);
        }
        
        .item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: #9999cc;
        }
        
        .categories-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        
        .category-tag {
            background: var(--light);
            color: var(--primary);
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        
        .category-tag:hover {
            background: var(--primary);
            color: white;
        }
        
        /* Pagination Styles */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 0.8rem;
            margin-top: 3rem;
        }
        
        .page-link {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: white;
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .page-link:hover, .page-link.active {
            background: var(--primary);
            color: white;
        }
        
       
        
        .social-icons {
            display: flex;
            gap: 1rem;
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            transition: var(--transition);
        }
        
        .social-icons a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        
         /* 页脚 */
        footer {
            background: linear-gradient(to right, #4a9df0, #7e6bdb);
            color: white;
            padding: 5rem 5% 2rem;
            position: relative;
            overflow: hidden;
            margin-top: 80px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 3rem;
            position: relative;
            z-index: 2;
        }
        
        .footer-column h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 10px;
            font-weight: 600;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: white;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .social-icons {
            display: flex;
            margin-top: 25px;
            gap: 15px;
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            transition: var(--transition);
        }
        
        .social-icons a:hover {
            background: white;
            color: var(--primary);
            transform: translateY(-5px);
        }
        
       .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
            font-size: 1rem;
            position: relative;
            z-index: 2;
        }
        

        
        /* Responsive Design */
        @media (max-width: 992px) {
            .container {
                flex-direction: column;
            }
            
            .article-card {
                flex-direction: column;
                height: auto;
            }
            
            .article-cover {
                flex: 0 0 250px;
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            header {
                flex-direction: column;
                padding: 1rem;
            }
            
            .nav-links {
                margin-top: 1rem;
                gap: 1rem;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .page-title {
                font-size: 2rem;
            }
        }