/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: #333;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.btn-download {
    display: inline-block;
    background: linear-gradient(90deg, #FC466B 0%, #3F5EFB 100%);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 头部样式 */
header {
    background-color: #1c1b29;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo h1 {
    color: white;
    font-size: 24px;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    font-weight: 500;
    padding: 10px;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #FC466B;
}

/* 英雄区域样式 */
.hero {
    background-color: #1c1b29;
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(63, 94, 251, 0.2) 0%, rgba(28, 27, 41, 0) 70%);
}

.hero .container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content .highlight {
    color: #FC466B;
    font-weight: bold;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.8;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-height: 500px;
    animation: float 3s ease-in-out infinite;
}

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

/* 特性区域样式 */
.features {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
}

.section-desc {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: #666;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
}

.feature-item img {
    height: 70px;
    margin-bottom: 20px;
}

.feature-item h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.feature-item p {
    color: #666;
}

/* 下载区域样式 */
.download {
    padding: 80px 0;
    background-color: #1c1b29;
    color: white;
}

.download h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 50px;
}

.download-option {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    width: 300px;
    transition: all 0.3s ease;
}

.download-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.download-option img {
    height: 80px;
    margin-bottom: 20px;
}

.download-option h3 {
    margin-bottom: 10px;
}

.download-option p {
    opacity: 0.7;
}

/* 页脚样式 */
footer {
    background-color: #101018;
    color: white;
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-logo h3 {
    font-size: 20px;
}

.footer-links h3, .footer-contact h3 {
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #aaa;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: white;
}

.footer-contact p {
    color: #aaa;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: #666;
    font-size: 14px;
}

.footer-bottom a {
    color: #666;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .download-options {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 20px;
    }
    
    nav ul {
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .hero-content h2 {
        font-size: 32px;
    }
}