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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: #ff6600;
}

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

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ff6600;
}

.download-btn {
    background-color: #ff6600;
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: bold;
}

.download-btn:hover {
    background-color: #ff8533;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 英雄区样式 */
.hero {
    background: linear-gradient(135deg, #ff6600 0%, #ff8533 100%);
    color: #fff;
    padding: 100px 0;
}

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

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.hero-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    background-color: #fff;
    color: #ff6600;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.platforms {
    margin-top: 30px;
    font-size: 16px;
}

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

.hero-image img {
    max-width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

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

/* 核心功能样式 */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #333;
}

.section-header p {
    font-size: 18px;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: #fff3e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #ff6600;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

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

/* 软件截图样式 */
.screenshots {
    padding: 100px 0;
    background-color: #fff;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.screenshot-item {
    text-align: center;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
    transition: transform 0.3s;
}

.screenshot-item img:hover {
    transform: scale(1.05);
}

.screenshot-item p {
    font-size: 16px;
    color: #666;
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
    background-color: #fff;
}

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

.about-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #333;
}

.about-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* 下载区域样式 */
.download-cta {
    background: linear-gradient(135deg, #ff6600 0%, #ff8533 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.download-cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.download-cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
}

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

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ff6600;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    color: #fff;
    font-size: 20px;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #ff6600;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 14px;
    color: #999;
}

/* 下载页面样式 */
.download-page {
    padding: 80px 0;
}

.download-header {
    text-align: center;
    margin-bottom: 60px;
}

.download-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
    color: #333;
}

.download-header p {
    font-size: 18px;
    color: #666;
}

.download-content {
    display: flex;
    gap: 50px;
    margin-bottom: 80px;
}

.download-main {
    flex: 1;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.app-info {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.app-icon img {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    margin-right: 20px;
}

.app-details h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #333;
}

.app-description {
    color: #666;
    margin-bottom: 15px;
}

.app-stats {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: #999;
}

.app-stats i {
    margin-right: 5px;
}

.btn-download {
    display: flex;
    align-items: center;
    background-color: #ff6600;
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    text-decoration: none;
    margin-bottom: 30px;
    transition: background-color 0.3s, transform 0.3s;
}

.btn-download:hover {
    background-color: #ff8533;
    transform: translateY(-3px);
}

.btn-download i {
    font-size: 32px;
    margin-right: 20px;
}

.download-text div:first-child {
    font-size: 18px;
    font-weight: bold;
}

.download-size {
    font-size: 14px;
    opacity: 0.8;
}

.download-notice {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.download-notice h3 {
    margin-bottom: 15px;
    color: #333;
}

.download-notice ul {
    list-style: none;
    padding-left: 0;
}

.download-notice li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.download-notice li:before {
    content: "•";
    color: #ff6600;
    font-size: 20px;
    position: absolute;
    left: 0;
    top: 5px;
}

.download-screenshots {
    flex: 1;
}

.download-screenshots h3 {
    margin-bottom: 30px;
    color: #333;
}

.app-features {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.app-features h3 {
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.feature-item i {
    font-size: 24px;
    color: #ff6600;
    margin-right: 15px;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #333;
}

.feature-item p {
    color: #666;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-content {
        flex-direction: column;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .app-info {
        flex-direction: column;
        text-align: center;
    }
    
    .app-icon img {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .app-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content h2 {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .download-header h1 {
        font-size: 32px;
    }
    
    .download-main {
        padding: 20px;
    }
    
    .app-features {
        padding: 20px;
    }
}