/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: #789fdd;
    transition: color 0.3s ease;
}

a:hover {
    color: #3a76d8;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: #3a76d8;
    font-family: 'Bubblegum Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #4a86e8, #87CEFA);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #4a86e8 0%, #3a76d8 100%);
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    padding: 2px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    font-family: 'Bubblegum Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

nav ul {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: width 0.3s ease;
}

.nav-link:hover:after, .nav-link.active:after {
    width: 100%;
}

.nav-link.active {
    font-weight: 700;
}

.download-btn {
    background: linear-gradient(135deg, #ff6b9d, #ff8fa3);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(255, 107, 157, 0.4);
    color: white;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #4a86e8 0%, #3a76d8 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
    padding-right: 30px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    font-family: 'Bubblegum Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.app-store-badges {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.app-store-badge {
    background: white;
    color: #333;
    padding: 12px 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease;
}

.app-store-badge:hover {
    transform: translateY(-3px);
}

.google-play-badge {
    background: white;
    color: #333;
    padding: 12px 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease;
}

.google-play-badge:hover {
    transform: translateY(-3px);
}

.app-store-badge i {
    font-size: 2rem;
    color: #3a76d8;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text small {
    font-size: 0.8rem;
    opacity: 0.7;
}

.badge-text strong {
    font-size: 1.1rem;
    font-weight: 700;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: 20px;
}

.hero-feature i {
    font-size: 1.2rem;
}

.hero-image {
    flex: 1;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 90%;
    max-height: 600px;
    width: auto;
    height: auto;
    border-radius: 50px; 
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    /* transform: rotate(3deg); */
    transition: transform 0.5s ease;
}

/* .hero-image img:hover {
    transform: rotate(0deg) translateY(-10px);
} */

/* 语言切换器样式 */
.language-selector {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.language-dropdown {
    position: relative;
    display: inline-block;
}

.language-button {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Nunito', sans-serif;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
    justify-content: space-between;
}

.language-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.language-button i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.language-dropdown.active .language-button i {
    transform: rotate(180deg);
}

.language-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 5px;
    overflow: hidden;
}

.language-dropdown.active .language-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-family: 'Nunito', sans-serif;
    font-weight: 600;
}

.language-option:hover {
    background-color: #f8f9fa;
    color: #3a76d8;
}

.language-option.active {
    background-color: #3a76d8;
    color: white;
}

.language-option.active:hover {
    background-color: #2965c8;
}

/* 旧版本兼容样式 */
.lang-switch {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Nunito', sans-serif;
    font-weight: 600;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.lang-switch.active {
    background: white;
    color: #3a76d8;
    border-color: white;
}

/* 功能区块样式 */
.features {
    padding: 100px 0;
    background: white;
}

.features-subtitle {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    color: #666;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: #3a76d8;
}

.feature-card:after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #4a86e8 0%, #87CEFA 100%);
    border-radius: 50%;
    opacity: 0.1;
    transition: all 0.3s ease;
}

.feature-card:hover:after {
    transform: scale(5);
}

.feature-icon {
    font-size: 2.5rem;
    color: #4a86e8;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 700;
}

.feature-description {
    color: #666;
    font-size: 1rem;
}

/* 统计数据区块 */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #4a86e8 0%, #3a76d8 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    font-family: 'Bubblegum Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.stat-title {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 推荐语区块 */
.testimonials {
    padding: 100px 0;
    background: white;
}

.testimonials-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.testimonial {
    flex: 0 0 calc(33.333% - 20px);
    background: #f8f9fa;
    border-radius: 20px;
    padding: 30px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial:before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 5rem;
    color: #4a86e8;
    opacity: 0.1;
    font-family: 'Times New Roman', serif;
}

.testimonial-content {
    font-style: italic;
    color: #666;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #333;
}

.author-info p {
    font-size: 0.9rem;
    color: #999;
}

/* 下载区块 */
.download-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #4a86e8 0%, #3a76d8 100%);
    color: white;
    text-align: center;
}

.download-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-family: 'Bubblegum Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.download-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* 页脚样式 */
footer {
    background-color: #4a4a4a;
    color: #fff;
    padding: 60px 0 20px;
    position: relative;
    border-top: 5px solid #b3d9ff;
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(90deg, #4a86e8, #87CEFA, #4a86e8);
    opacity: 0.7;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
}

.footer-logo h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-family: 'Varela Round', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-weight: 700;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: #ff6b9d;
    border-radius: 10px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #fff;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    color: #ccc;
}

.footer-contact p i {
    margin-right: 10px;
    color: #ff6b9d;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: #ff6b9d;
    transform: translateY(-3px) rotate(10deg);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #aaa;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-bottom a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #fff;
}

/* 隐私条例和用户协议页面样式 */
.privacy-policy,
.terms-of-service {
    padding: 60px 0;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3Csvg width='52' height='26' viewBox='0 0 52 26' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2387CEFA' fill-opacity='0.1'%3E%3Cpath d='M10 10c0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6h2c0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4v2c-3.314 0-6-2.686-6-6 0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6zm25.464-1.95l8.486 8.486-1.414 1.414-8.486-8.486 1.414-1.414z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #3a76d8;
    text-align: center;
}

.last-updated {
    color: #777;
    margin-bottom: 40px;
    font-style: italic;
    text-align: center;
}

.policy-content,
.terms-content {
    background-color: #fff;
    border-radius: 25px;
    padding: 40px;
    box-shadow: 0 8px 25px rgba(74, 134, 232, 0.1);
    border: 2px dashed #b3d9ff;
    max-width: 900px;
    margin: 0 auto;
}

.policy-section,
.terms-section {
    margin-bottom: 40px;
}

.policy-section:last-child,
.terms-section:last-child {
    margin-bottom: 0;
}

.policy-section h2,
.terms-section h2 {
    font-size: 1.9rem;
    margin-bottom: 20px;
    color: #4a86e8;
    border-bottom: 2px dashed #b3d9ff;
    padding-bottom: 10px;
    display: inline-block;
    position: relative;
    font-family: 'Bubblegum Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
}

.policy-section h2:before,
.terms-section h2:before {
    content: '🐾';
    font-size: 1.2rem;
    margin-right: 8px;
    vertical-align: middle;
}

.policy-section h3,
.terms-section h3 {
    font-size: 1.4rem;
    margin: 25px 0 15px;
    color: #444;
}

.policy-section p,
.terms-section p {
    margin-bottom: 15px;
    color: #555;
}

.policy-section ul,
.terms-section ul {
    margin: 15px 0 15px 20px;
    list-style-type: disc;
}

.policy-section ul li,
.terms-section ul li {
    margin-bottom: 10px;
    color: #555;
}

/* 功能页面样式 */
.features-hero {
    padding: 80px 0 40px;
    background: linear-gradient(135deg, #4a86e8 0%, #3a76d8 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.features-hero:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 15px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath 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='%23fff' opacity='.25'%3E%3C/path%3E%3Cpath d='M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z' fill='%23fff' opacity='.5'%3E%3C/path%3E%3Cpath d='M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z' fill='%23fff'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom center;
    background-size: cover;
}

.features-subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.feature-details {
    padding: 60px 0;
    background-color: #fff;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    gap: 40px;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item.reverse {
    flex-direction: row-reverse;
}

.feature-image {
    flex: 0 0 40%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.feature-icon-large {
    font-size: 8rem;
    color: #007bff;
    background: linear-gradient(135deg, #007bff 0%, #00c6ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.feature-image-large {
    width: 200px;
    height: 410px;
    object-fit: cover;
    border-radius: 35px;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-image-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 123, 255, 0.4);
}

.feature-info {
    flex: 0 0 60%;
}

.feature-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
}

.feature-info p {
    margin-bottom: 20px;
    color: #555;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.feature-list li i {
    color: #4a86e8;
    margin-right: 10px;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #e6f0ff 0%, #f0f7ff 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section:before {
    content: '🐱';
    position: absolute;
    top: 20px;
    left: 5%;
    font-size: 3rem;
    opacity: 0.1;
    animation: float 3s ease-in-out infinite alternate;
}

.cta-section:after {
    content: '🐾';
    position: absolute;
    bottom: 20px;
    right: 5%;
    font-size: 3rem;
    opacity: 0.1;
    animation: float 4s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0);
    }
    100% {
        transform: translateY(-15px) rotate(10deg);
    }
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #555;
}

/* 下载页面样式 */
.download-links {
    display: flex;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.download-platform-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-family: 'Nunito', sans-serif;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 180px;
}

.download-platform-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.download-platform-btn i {
    font-size: 32px;
}

.platform-text {
    display: flex;
    flex-direction: column;
}

.small-text {
    font-size: 12px;
    opacity: 0.9;
}

.big-text {
    font-size: 18px;
    font-weight: 700;
}

.compatibility-info {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 15px;
}

/* 下载步骤样式 */
.download-steps {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step-item {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.step-number {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 24px;
    font-weight: 800;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom-left-radius: 30px;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333;
}

.step-description {
    color: #666;
    font-size: 16px;
}

/* FAQ部分样式 */
.faq-section {
    padding: 80px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    font-family: 'Nunito', sans-serif;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #667eea;
}

.faq-question::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 14px;
    color: #667eea;
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    margin-top: 10px;
}

.faq-answer.show {
    max-height: 200px;
    opacity: 1;
}

.faq-answer p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
        text-align: center;
    }

    .app-store-badges {
        justify-content: center;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial {
        flex: 0 0 calc(50% - 15px);
    }
    
    .feature-item,
    .feature-item.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-image {
        margin-bottom: 20px;
    }
    
    .feature-list li {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: block !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #3a76d8;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .mobile-menu ul {
        flex-direction: column;
        gap: 15px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .testimonial {
        flex: 0 0 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }

    .download-links {
        flex-direction: column;
        align-items: center;
    }
    
    .download-platform-btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-image img {
        border-radius: 20px;
    }
}