* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }
        body {
            background-color: #f0f7ff;
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(30, 111, 217, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 20%);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            flex: 1;
        }
        /* 头部样式 */
        header {
            position: relative;
            padding: 3.5rem 0 4rem;
            text-align: center;
            background: linear-gradient(135deg, #0a3d91 0%, #1e6fd9 50%, #3a8eff 100%);
            border-radius: 0 0 30px 30px;
            box-shadow: 0 10px 30px rgba(30, 111, 217, 0.25);
            margin-bottom: 3rem;
            overflow: hidden;
        }
        header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }
        .pixel-decoration {
            position: absolute;
            width: 100%;
            height: 100%;
            pointer-events: none;
            opacity: 0.1;
        }
        .pixel-joystick {
            position: absolute;
            width: 60px;
            height: 60px;
            background: radial-gradient(circle, rgba(255,255,255,0.8) 20%, transparent 20%);
            border-radius: 50%;
            top: 20%;
            left: 15%;
        }
        .pixel-button {
            position: absolute;
            width: 40px;
            height: 40px;
            background: rgba(255, 215, 0, 0.8);
            border-radius: 50%;
            bottom: 25%;
            right: 20%;
        }
        .pixel-screen {
            position: absolute;
            width: 120px;
            height: 80px;
            border: 4px solid rgba(255,255,255,0.3);
            border-radius: 10px;
            top: 30%;
            right: 15%;
        }
        .header-content {
            position: relative;
            z-index: 2;
        }
        .logo-container {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
        }
        .logo-img {
            width: 80px;
            height: 80px;
            margin-right: 1.2rem;
            filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
            transition: transform 0.3s;
        }
        .logo-img:hover {
            transform: scale(1.05) rotate(5deg);
        }
        .logo-text {
            font-size: 3.8rem;
            font-weight: 900;
            color: white;
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
            background: linear-gradient(to bottom, #ffffff, #e6f2ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 2px;
        }
        .slogan {
            color: rgba(255, 255, 255, 0.95);
            font-size: 1.5rem;
            font-weight: 300;
            margin-bottom: 1.8rem;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
            position: relative;
            display: inline-block;
            padding: 0 1rem;
        }
        .slogan::before, .slogan::after {
            content: '✧';
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            color: #ffd700;
            font-size: 1.2rem;
        }
        .slogan::before {
            left: -10px;
        }
        .slogan::after {
            right: -10px;
        }
        .sub-slogan {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
            font-weight: 300;
        }
        /* 导航样式 */
        nav {
            display: flex;
            justify-content: center;
            background-color: rgba(255, 255, 255, 0.95);
            padding: 1.2rem 0;
            margin: 0 auto 3rem;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(30, 111, 217, 0.15);
            max-width: 900px;
            position: relative;
            z-index: 10;
            flex-wrap: wrap;
        }
        nav a {
            color: #1a5cb8;
            text-decoration: none;
            margin: 0 2rem;
            font-size: 1.15rem;
            font-weight: 600;
            padding: 0.7rem 0;
            position: relative;
            transition: all 0.3s;
        }
        nav a:hover {
            color: #0a3d91;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(to right, #ffd700, #ff8c00);
            transition: width 0.3s;
            border-radius: 2px;
        }
        nav a:hover::after {
            width: 100%;
        }
        /* 主内容区样式 */
        .hero {
            text-align: center;
            padding: 3.5rem 2rem 4.5rem;
            background: white;
            border-radius: 25px;
            box-shadow: 0 8px 30px rgba(30, 111, 217, 0.12);
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(to right, #1e6fd9, #3a8eff, #ffd700);
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            color: #1a5cb8;
            background: linear-gradient(to right, #1e6fd9, #3a8eff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
            display: inline-block;
        }
        .hero h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 25%;
            width: 50%;
            height: 3px;
            background: linear-gradient(to right, #ffd700, #ff8c00);
            border-radius: 2px;
        }
        .hero p {
            font-size: 1.25rem;
            color: #555;
            max-width: 850px;
            margin: 2rem auto 3rem;
            line-height: 1.8;
        }
        .highlight {
            color: #1e6fd9;
            font-weight: 600;
            background: linear-gradient(to right, #e8f1ff, #ffffff);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
        }
        .download-btn-container {
            position: relative;
            display: inline-block;
        }
        .download-btn {
            display: inline-block;
            background: linear-gradient(to right, #ff8c00, #ffd700);
            color: #1a5cb8;
            padding: 1.3rem 3.5rem;
            font-size: 1.4rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 8px 25px rgba(255, 140, 0, 0.3);
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            position: relative;
            z-index: 2;
        }
        .download-btn:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 12px 30px rgba(255, 140, 0, 0.4);
            background: linear-gradient(to right, #ff9500, #ffdf00);
        }
        .btn-glow {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to right, #ff8c00, #ffd700);
            border-radius: 50px;
            filter: blur(15px);
            opacity: 0.7;
            z-index: 1;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 0.8; }
        }
        /* 功能介绍区域 */
        .features {
            padding: 3rem 1rem 5rem;
        }
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3.5rem;
            color: #1a5cb8;
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: linear-gradient(to right, #1e6fd9, #3a8eff, #ffd700);
            border-radius: 3px;
        }
        .section-subtitle {
            text-align: center;
            color: #666;
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 4rem;
            font-style: italic;
        }
        /* 6点功能网格布局 - 2x3排列 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
        }
        .feature-card {
            background: white;
            border-radius: 18px;
            padding: 2.5rem 2rem;
            box-shadow: 0 8px 25px rgba(30, 111, 217, 0.1);
            transition: all 0.4s;
            border-top: 5px solid #3a8eff;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-12px) scale(1.02);
            box-shadow: 0 15px 35px rgba(30, 111, 217, 0.2);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, #1e6fd9, #3a8eff, #ffd700);
        }
        .feature-number {
            position: absolute;
            top: 15px;
            right: 20px;
            width: 40px;
            height: 40px;
            background: linear-gradient(to right, #1e6fd9, #3a8eff);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
            box-shadow: 0 4px 10px rgba(30, 111, 217, 0.3);
        }
        .feature-card h3 {
            color: #1a5cb8;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            padding-right: 50px;
        }
        .feature-card h3::before {
            content: '';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 35px;
            height: 35px;
            background: linear-gradient(to right, #1e6fd9, #3a8eff);
            color: white;
            border-radius: 50%;
            margin-right: 15px;
            font-size: 1rem;
            font-weight: bold;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>');
            background-repeat: no-repeat;
            background-position: center;
            background-size: 60%;
        }
        .feature-card p {
            color: #555;
            font-size: 1.1rem;
            line-height: 1.8;
            flex-grow: 1;
        }
        /* 页脚样式 */
        footer {
            background: linear-gradient(to right, #0a3d91, #1a5cb8);
            color: rgba(255, 255, 255, 0.9);
            padding: 3.5rem 1rem 2.5rem;
            margin-top: 5rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
        }
        .footer-logo, .footer-info, .footer-exchange {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-logo p:first-of-type {
            color: white;
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }
        .footer-logo p:last-of-type {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            font-style: italic;
        }
        .footer-info p, .footer-exchange p {
            margin-bottom: 0.7rem;
            line-height: 1.6;
        }
        .footer-info a {
            color: white;
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            transition: border-color 0.3s;
        }
        .footer-info a:hover {
            border-color: #ffd700;
        }
        .footer-exchange p:first-child {
            color: white;
            font-weight: bold;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
        }
        /* 响应式调整 */
        @media (max-width: 768px) {
            .logo-text { font-size: 2.8rem; }
            .logo-img { width: 60px; height: 60px; margin-right: 1rem; }
            .slogan { font-size: 1.3rem; }
            .sub-slogan { font-size: 1.1rem; padding: 0 1rem; }
            .hero h1 { font-size: 2.3rem; }
            .hero p, .feature-card p { font-size: 1.05rem; }
            .section-title { font-size: 2.1rem; }
            nav a { margin: 0.5rem 1.2rem; font-size: 1rem; }
            .footer-container { flex-direction: column; gap: 2.5rem; }
            .features-grid { grid-template-columns: 1fr; }
            .pixel-joystick, .pixel-button, .pixel-screen { display: none; }
            .feature-card h3 { font-size: 1.6rem; }
        }