* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #f7931a, #eca136);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.header h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.header p {
    font-size: 1.2rem;
}

/* Nav */
.nav {
    background: #222;
    padding: 15px 0;
}

.nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
}

.nav li {
    margin: 0 15px;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: #f7931a;
}

/* Sections */
.section {
    padding: 60px 0;
}

.download-section {
    background: #fff;
    text-align: center;
}

.download-section h2 {
    font-size: 2rem;
    color: #f7931a;
    margin-bottom: 20px;
}

.btn-download {
    display: inline-block;
    background: #f7931a;
    color: white;
    padding: 15px 40px;
    margin: 30px 0;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn-download:hover {
    background: #e57d00;
}

.qr-code {
    margin-top: 30px;
	width:27%;
	margin:0 auto;
	
}

.qr-code img {
    border: 3px solid #eee;
    border-radius: 8px;
	width:100%;
}

/* Features */
.features-section {
    background: #fafafa;
}

.features-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h3 {
    color: #f7931a;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* FAQ */
.faq-section {
    background: #fff;
}

.faq-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.faq-item {
    margin-bottom: 30px;
    padding: 20px;
    background: #fafafa;
    border-left: 4px solid #f7931a;
    border-radius: 5px;
}

.faq-item h3 {
    color: #222;
    margin-bottom: 10px;
}

/* Contact */
.contact-section {
    background: #f5f5f5;
    text-align: center;
}

.contact-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.contact-section a {
    color: #f7931a;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #222;
    color: #ccc;
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

.footer p {
    margin: 5px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }

    .nav ul {
        flex-direction: column;
        align-items: center;
    }

    .nav li {
        margin: 10px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 15px;
    }
	.qr-code {
		width:90%;
	}
}