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

:root {
    --primary-color: #6e8efb;
    --secondary-color: #a777e3;
    --text-color: #333;
    --light-bg: #f5f5f5;
    --white: #fff;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

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

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.slide-up {
    animation: slideUp 1s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* Header 样式 */
header {
    /*background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));*/
    background: linear-gradient(135deg,#0dccff, #4760ff);

    color: var(--white);
    padding: 80px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-content {
    position: relative;
    z-index: 2;
}

header h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.slogan {
    font-size: 1.4em;
    opacity: 0.9;
    margin-bottom: 30px;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%23f5f5f5" opacity=".25"/></svg>');
    background-size: cover;
    background-repeat: no-repeat;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    margin: 0 10px;
    transition: all 0.3s ease;
}

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 主要内容区域 */
main {
    padding: 40px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    margin: 15px auto;
}

/* 关于我们部分 */
.about {
    background: var(--white);
    padding: 80px 0;
}

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

.about-text p {
    font-size: 1.2em;
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--text-color);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    background: var(--light-bg);
    padding: 30px 20px;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

.stat-number {
    display: block;
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1em;
    color: var(--text-color);
}

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

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

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

.feature-card i {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

/* 用户评价部分 */
.testimonial-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.testimonial {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    min-width: 300px;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    scroll-snap-align: center;
    position: relative;
    transition: transform 0.3s ease;
}

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

.quote-icon {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.2;
}

.testimonial-text {
    font-style: italic;
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--text-color);
}

.user-name {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.1em;
}

/* 添加滚动条样式 */
.testimonial-slider::-webkit-scrollbar {
    height: 8px;
}

.testimonial-slider::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 4px;
}

.testimonial-slider::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.testimonial-slider::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

@media (max-width: 768px) {
    .testimonial {
        min-width: 250px;
        padding: 30px;
    }
    
    .testimonial-text {
        font-size: 1em;
    }
}

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

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-links a {
    color: var(--white);
    font-size: 1.5em;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-text p {
        font-size: 1.1em;
        padding: 0 20px;
    }
    
    .stats {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
        margin: 20px;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    .stat-number {
        font-size: 2em;
    }
}

/* 应用展示部分 */
.app-showcase {
    background: var(--light-bg);
    padding: 80px 0;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.showcase-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.showcase-image {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.showcase-text {
    padding: 25px;
    text-align: center;
}

.showcase-text h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.4em;
}

.showcase-text p {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 1.1em;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-item {
        margin: 0 20px;
    }
}