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

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #ff6b6b;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: #ff6b6b;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #333;
    border: 2px solid #ff6b6b;
}

.btn-secondary:hover {
    background-color: #ff6b6b;
    color: white;
    transform: translateY(-2px);
}

/* 头部样式 */
.header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

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

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b6b;
}

.nav ul {
    display: flex;
}

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

.nav ul li a {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav ul li a:hover {
    color: #ff6b6b;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 2px 0;
    transition: all 0.3s ease;
}

/* 英雄区域样式 */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #fff6f6 0%, #ffe9e9 100%);
}

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

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

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #333;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #666;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

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

.hero-image img {
    max-width: 80%;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* 功能特点样式 */
.features {
    padding: 100px 0;
    background-color: white;
}

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

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

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

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: #fff6f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 30px;
    color: #ff6b6b;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
    color: #666;
}

.feature-card ul li:before {
    content: '•';
    color: #ff6b6b;
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2rem;
}

/* 应用展示区域样式 */
.app-showcase {
    padding: 100px 0;
    background-color: #f9f9f9;
}

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

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

.showcase-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.showcase-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #666;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.showcase-feature {
    display: flex;
    align-items: center;
}

.showcase-feature i {
    color: #ff6b6b;
    font-size: 1.2rem;
    margin-right: 10px;
}

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

.showcase-image img {
    max-width: 80%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* 下载区域样式 */
.download {
    padding: 100px 0;
    background-color: white;
}

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

.download-option {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    text-align: center;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.download-option:hover {
    transform: translateY(-10px);
}

.download-icon {
    width: 80px;
    height: 80px;
    background-color: #fff6f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.download-icon i {
    font-size: 40px;
    color: #ff6b6b;
}

.download-option h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #333;
}

.download-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background-color: #333;
    color: white;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.download-btn i {
    margin-right: 8px;
    font-size: 1.2rem;
}

.download-btn:hover {
    background-color: #ff6b6b;
    transform: translateY(-3px);
}

.qrcode {
    margin-top: 20px;
}

.qrcode img {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
    border: 1px solid #eee;
    padding: 10px;
    background-color: white;
}

.qrcode p {
    color: #666;
    font-size: 0.9rem;
}

/* 用户评价区域样式 */
.testimonials {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.testimonials-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scrollbar-width: none; /* Firefox */
}

.testimonials-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
}

.testimonial {
    flex: 0 0 350px;
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 1.1rem;
    color: #333;
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
}

.author-info h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 5px;
}

.author-info p {
    font-size: 0.9rem;
    color: #666;
}

/* CTA区域样式 */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-primary {
    background-color: white;
    color: #ff6b6b;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.cta .btn-primary:hover {
    background-color: #f9f9f9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 80px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

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

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

.footer-logo h3 {
    font-size: 1
}