/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }

        body {
            background-color: #0a0a0a;
            color: #0df4fcb4;
            overflow-x: hidden;
            background-image: url(https://raw.githubusercontent.com/Xiaowameijiao/huoshiyinyuebizhi4.github.io/main/huoshiyinyuebizhi5.webp);
            background-size: cover;
            background-repeat: no-repeat;
            background-attachment: fixed;
            cursor: url('https://i.ibb.co/27ktrWvb/icon11.png'), auto;
        }

        a, button, input, select, textarea, .music-button, label, #audio-controls button {
            cursor: url('https://i.ibb.co/27ktrWvb/icon11.png'), auto !important;
        }

        a:hover, a:focus, button:hover, button:focus, input:hover, input:focus, select:hover, select:focus, textarea:hover, textarea:focus, .music-button:hover, .music-button:focus, label:hover, label:focus, #audio-controls button:hover, #audio-controls button:focus {
            cursor: url('https://i.ibb.co/27ktrWvb/icon11.png'), auto !important;
        }


        /* 背景渐变效果 */
        .bg-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(3, 188, 229, 0.1), rgba(3, 188, 229, 0.05));
            z-index: -1;
        }

        /* 导航栏 */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 20px 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            transition: all 0.3s ease;
            background-color: #0a0a0a65;
        }

        nav.scrolled {
            background-color: rgba(0, 0, 0, 0.403);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #0df4fcb4;
        }

        .menu {
            display: flex;
            gap: 30px;
        }

        .menu-item {
            color: #0df4fcb4;
            text-decoration: none;
            font-size: 16px;
            position: relative;
            transition: all 0.3s ease;
        }

        .menu-item:hover {
            color: #21e5eca2;
            text-shadow: 0 0 10px rgba(3, 188, 229, 0.5);
        }

        .menu-item::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #03bce5bf;
            transition: width 0.3s ease;
        }

        .menu-item:hover::after {
            width: 100%;
        }

        /* 主要内容 */
        .hero {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 20px;
        }

        .hero-title {
            font-size: 48px;
            margin-bottom: 20px;
            color: #0df4fcb4;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 0.5s;
        }

        .hero-subtitle {
            font-size: 20px;
            margin-bottom: 40px;
            max-width: 600px;
            color: #0df4fcb4;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 0.8s;
        }

        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 15px 40px;
            background-color: transparent;
            color: #0df4fcb4;
            border: 2px solid #03bce5bf;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 1.1s;
        }

        .btn:hover {
            background-color: rgba(3, 188, 229, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(3, 188, 229, 0.2);
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background-color: rgba(3, 188, 229, 0.2);
            transition: width 0.3s ease;
            z-index: -1;
        }

        .btn:hover::before {
            width: 100%;
        }

        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 下载按钮 */
        .download-section {
            padding: 100px 20px;
            text-align: center;
            background-color: rgba(0, 0, 0, 0.5);
        }

        .download-title {
            font-size: 36px;
            margin-bottom: 20px;
            color: #03bce5bf;
        }

        .download-subtitle {
            font-size: 18px;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            color: #03bce5bf;
        }

        /* 装饰元素 */
        .decoration {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 5px;
            height: 5px;
            background-color: #03bce5bf;
            border-radius: 50%;
            animation: float 5s infinite ease-in-out;
        }

        @keyframes float {
            0% {
                transform: translateY(0) translateX(0);
            }
            25% {
                transform: translateY(-20px) translateX(10px);
            }
            50% {
                transform: translateY(0) translateX(20px);
            }
            75% {
                transform: translateY(20px) translateX(10px);
            }
            100% {
                transform: translateY(0) translateX(0);
            }
        }

        /* 功能部分 */
        .features-section {
            padding: 100px 20px;
            text-align: center;
            background-color: rgba(0, 0, 0, 0.7);
            border: solid 2px #03c7e582;
            border-radius: 10px;
        }

        .features-title {
            font-size: 36px;
            margin-bottom: 50px;
            color: #03bce5bf;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .feature-card {
            background-color: rgba(0, 0, 0, 0.5);
            padding: 30px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(3, 188, 229, 0.2);
        }

        .feature-title {
            font-size: 24px;
            margin-bottom: 15px;
            color: #03bce5bf;
        }

        .feature-description {
            font-size: 16px;
            color: #03bce5bf;
        }

        /* 关于我们部分 */
        .about-section {
            padding: 100px 20px;
            text-align: center;
            background-color: rgba(0, 0, 0, 0.9);
            border: solid 2px #03c7e55c;
        }

        .about-title {
            font-size: 36px;
            margin-bottom: 30px;
            color: #0cf0f0b0;
        }

        .about-content {
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }