:root {
    --primary-color: #FFB800;
    /* 金色 */
    --secondary-color: #FFA000;
    /* 深金色 */
    --text-color: #333;
    --light-gray: #FFF9E6;
    /* 浅金背景色 */
    --dark-gray: #2C2C2C;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* 导航栏样式 */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 40px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* 英雄区域样式 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s;
    margin: 0.5rem;
}

.btn.primary {
    background: white;
    color: var(--primary-color);
}

.btn.secondary {
    border: 2px solid white;
    color: white;
}

/* 修改按钮悬停效果 */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 184, 0, 0.3);
}

.btn.primary:hover {
    background: #FFF9E6;
}

.btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 功能特点区域 */
.features {
    padding: 80px 0;
    background: var(--light-gray);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 184, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

/* 添加图标样式 */
.icon-task,
.icon-money,
.icon-invite,
.icon-secure {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

/* 下载区域样式 */
.download {
    padding: 80px 0;
    text-align: center;
}

.download-options {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.qr-code img {
    width: 200px;
    margin-bottom: 1rem;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
}

.download-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* 页脚样式 */
footer {
    background: var(--dark-gray);
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin-left: 1rem;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        margin-top: 1rem;
    }

    .footer-links a {
        display: block;
        margin: 0.5rem 0;
    }
}

/* Service Details Section */
.service-details {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.service-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.service-content h3 {
    color: #333;
    margin-top: 30px;
    margin-bottom: 15px;
}

.service-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-content ul,
.service-content ol {
    color: #666;
    line-height: 1.6;
    margin-left: 20px;
    margin-bottom: 20px;
}

.service-content li {
    margin-bottom: 10px;
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background-color: #fff;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info p {
    color: #666;
    margin: 15px 0;
    font-size: 1.1em;
}

/* Footer Updates */
.footer-info {
    text-align: left;
}

.footer-info p {
    margin: 5px 0;
    color: #666;
}