:root {
            --primary: #00f3ff;
            --secondary: #ff00ff;
            --accent: #ff00aa;
            --dark-bg: #0a0e17;
            --card-bg: rgba(15, 22, 36, 0.8);
            --text: #e0e0ff;
            --text-secondary: #a0a0c0;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            background: var(--dark-bg);
            color: var(--text);
            min-height: 100vh;
            padding: 20px 0;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 243, 255, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(255, 0, 255, 0.05) 0%, transparent 20%);
            overflow-x: hidden;
        }

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 霓虹灯文字效果 */
        .neon-text {
            text-shadow: 
                0 0 5px var(--primary),
                0 0 10px var(--primary),
                0 0 20px var(--primary),
                0 0 40px var(--secondary);
        }

        .neon-text-secondary {
            text-shadow: 
                0 0 3px var(--secondary),
                0 0 6px var(--secondary),
                0 0 9px var(--accent);
        }

        /* 头部样式 */
        .header {
            text-align: center;
            margin: 2rem 0 3rem;
            position: relative;
            overflow: hidden;
            padding: 30px 0;
        }

        .header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, 
                rgba(0, 243, 255, 0.1) 0%, 
                rgba(255, 0, 255, 0.1) 50%, 
                rgba(255, 0, 170, 0.1) 100%);
            z-index: -1;
            border-radius: 20px;
        }

        .logo {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: glow 2s infinite alternate;
        }

        .tagline {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 15px 20px;
            border-radius: 50px;
            border: 2px solid rgba(0, 243, 255, 0.3);
            background: rgba(10, 15, 25, 0.6);
            color: var(--text);
            font-size: 1rem;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 15px rgba(0, 243, 255, 0.5);
        }

        .search-btn {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary);
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            color: var(--dark-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .search-btn:hover {
            background: var(--secondary);
            transform: translateY(-50%) scale(1.1);
        }

        /* 分类样式 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }

        .category-box {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(0, 243, 255, 0.1);
            transition: all 0.4s ease;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .category-box::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
            z-index: -1;
            border-radius: 17px;
            animation: rotate 6s linear infinite;
        }

        .category-box::after {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--card-bg);
            border-radius: 15px;
            z-index: -1;
        }

        .category-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 243, 255, 0.2);
        }

        .category-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            color: var(--primary);
        }

        .category-title i {
            margin-right: 12px;
            font-size: 1.6rem;
        }

        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: 12px;
        }

        .nav-link {
            display: block;
            padding: 12px 10px;
            background: rgba(20, 30, 48, 0.6);
            border-radius: 8px;
            color: var(--text);
            text-decoration: none;
            text-align: center;
            font-size: 14px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: all 0.25s ease;
            position: relative;
            z-index: 1;
            border: 1px solid rgba(0, 243, 255, 0.1);
        }

        .nav-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            opacity: 0;
            z-index: -1;
            transition: opacity 0.3s ease;
        }

        .nav-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 243, 255, 0.3);
            color: white;
            border-color: transparent;
        }

        .nav-link:hover::before {
            opacity: 0.2;
        }

        /* 图标网格样式 */
        .icon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .icon-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
        }

        .icon-img {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            background: rgba(30, 40, 60, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 2px solid rgba(0, 243, 255, 0.2);
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .icon-img img {
            width: 50px;
            height: 50px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }

        .icon-name {
            color: var(--text-secondary);
            font-size: 13px;
            text-align: center;
            transition: color 0.3s ease;
        }

        .icon-link:hover .icon-img {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 5px 15px rgba(0, 243, 255, 0.3);
        }

        .icon-link:hover .icon-img img {
            transform: scale(1.1);
        }

        .icon-link:hover .icon-name {
            color: var(--primary);
            text-shadow: 0 0 8px rgba(0, 243, 255, 0.5);
        }

        /* 页脚样式 */
        .footer {
            text-align: center;
            padding: 40px 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            margin-top: 50px;
            border-top: 1px solid rgba(0, 243, 255, 0.1);
            position: relative;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .footer a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
        }

        .footer a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }

        .footer a:hover {
            color: var(--secondary);
            text-shadow: 0 0 8px rgba(255, 0, 255, 0.5);
        }

        .footer a:hover::after {
            width: 100%;
        }


        /* 响应式设计 */
        @media (max-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            
            .logo {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .link-grid {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            }
            
            .icon-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            
            .logo {
                font-size: 2.5rem;
            }
            
            .category-box {
                padding: 20px;
            }
        }

        @media (max-width: 480px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            
            .icon-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .logo {
                font-size: 2.2rem;
            }
            
            .tagline {
                font-size: 1rem;
            }
        }

        /* 装饰元素 */
        .floating {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, var(--primary), transparent);
            opacity: 0.1;
            z-index: -1;
        }

        .floating:nth-child(1) {
            width: 300px;
            height: 300px;
            top: 10%;
            left: 5%;
            animation: float 15s infinite ease-in-out;
        }

        .floating:nth-child(2) {
            width: 200px;
            height: 200px;
            bottom: 20%;
            right: 10%;
            animation: float 12s infinite ease-in-out reverse;
            background: radial-gradient(circle, var(--secondary), transparent);
        }

        .floating:nth-child(3) {
            width: 150px;
            height: 150px;
            top: 40%;
            right: 20%;
            animation: float 10s infinite ease-in-out;
            background: radial-gradient(circle, var(--accent), transparent);
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0); }
            25% { transform: translate(20px, 20px); }
            50% { transform: translate(0, 30px); }
            75% { transform: translate(-20px, 20px); }
        }