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

html {
    scroll-behavior: smooth;
}

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

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

/* 导航栏样式 */
.nav-bar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.brand-slogan {
    font-size: 14px;
    color: #666;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #007bff;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #007bff;
}

.nav-link:hover:after {
    width: 100%;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-bottom: 60px;
}

.page-title {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

/* 通用section样式 */
.section-title {
    font-size: 2em;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
}

/* 动画效果 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片通用样式 */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

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

/* 按钮样式 */
.button {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.primary-button {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
    border: none;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

/* 联系信息样式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

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

.contact-icon {
    font-size: 2.5em;
    margin-bottom: 20px;
}

/* FAQ样式 */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid #eee;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    background: #f8f9fa;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    padding: 30px 0;
    text-align: center;
    margin-top: 60px;
}

.footer a {
    color: white;
    text-decoration: none;
}

.copyright {
    margin-top: 10px;
    color: #999;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    display: none;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background: #0056b3;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .page-title {
        font-size: 2em;
    }

    .section-title {
        font-size: 1.8em;
    }
}

/* 特定页面样式 */
/* 首页英雄区域 */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('pattern.png') repeat;
    opacity: 0.1;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    from { transform: translateX(0) translateY(0); }
    to { transform: translateX(-100px) translateY(-100px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5em;
    opacity: 0.9;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 1.1em;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    background: white;
    color: #007bff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.hero-button.secondary {
    background: rgba(255,255,255,0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.hero-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.button-icon {
    font-size: 1.2em;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1em;
    opacity: 0.8;
}

/* 应用下载页面 */
.app-showcase {
    padding: 60px 0;
}

.app-screenshots {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 40px 0;
    scroll-snap-type: x mandatory;
}

.screenshot {
    scroll-snap-align: center;
    min-width: 280px;
    height: 500px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* 新闻列表页面 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-link {
    padding: 8px 15px;
    border-radius: 5px;
    background: white;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.page-link.active {
    background: #007bff;
    color: white;
}

/* 继续添加特定页面样式 */

/* 首页特色功能区域 */
.features-section {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.section-title {
    font-size: 2.8em;
    color: #333;
    margin-bottom: 20px;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.2em;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 20px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, #007bff, #00ff88);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3em;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #007bff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.feature-title {
    font-size: 1.4em;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.feature-desc {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-detail {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.feature-detail ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-detail li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #555;
}

.feature-detail li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #007bff;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.2em;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .feature-card {
        padding: 30px;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 数据统计区域样式优化 */
.stats-section {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    overflow: hidden;
}

.stats-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('pattern.png') repeat;
    opacity: 0.1;
    animation: backgroundMove 20s linear infinite;
}

.section-header.light {
    color: white;
}

.section-header.light .section-title {
    color: white;
}

.section-header.light .section-subtitle {
    color: rgba(255,255,255,0.9);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.stat-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.2);
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.15);
}

.stat-icon {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3em;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.1em;
    opacity: 0.9;
    margin-bottom: 15px;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 15px;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    font-size: 0.9em;
}

.trend-icon {
    color: #00ff88;
}

/* 新闻动态区域样式优化 */
.news-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.news-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-category {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 5px 15px;
    background: rgba(0,123,255,0.9);
    color: white;
    border-radius: 15px;
    font-size: 0.9em;
    backdrop-filter: blur(5px);
}

.news-content {
    padding: 30px;
}

.news-date {
    color: #007bff;
    font-weight: 500;
    margin-bottom: 10px;
}

.news-title {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
    line-height: 1.4;
}

.news-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.news-link:hover {
    color: #0056b3;
}

.news-link .arrow {
    transition: transform 0.3s ease;
}

.news-link:hover .arrow {
    transform: translateX(5px);
}

.news-more {
    text-align: center;
    margin-top: 50px;
}

.more-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: white;
    color: #007bff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.more-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.more-link .arrow {
    transition: transform 0.3s ease;
}

.more-link:hover .arrow {
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 20px;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-image {
        height: 180px;
    }

    .news-content {
        padding: 20px;
    }
}

/* 团队介绍样式优化 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 40px 0;
}

.team-card {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.team-avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid #f8f9fa;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.team-card:hover .team-avatar img {
    transform: scale(1.1);
}

/* 商务合作区域样式 */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.business-card {
    padding: 40px;
    text-align: center;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.business-icon {
    font-size: 3em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.business-link {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 30px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.business-link:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .news-item {
        flex-direction: column;
    }

    .news-image {
        flex: 0 0 200px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .business-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 25px;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画优化 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* 地图容器样式 */
.map-container {
    height: 400px;
    margin: 40px 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

#map {
    width: 100%;
    height: 100%;
}

/* APP下载页面样式优化 */
.app-hero-section {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.app-download-header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
}

.app-basic-info {
    display: flex;
    align-items: flex-start;
    gap: 25px;
}

.app-icon {
    width: 90px;
    height: 90px;
    border-radius: 18px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.app-text {
    flex: 1;
}

.app-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.app-title-group {
    flex: 1;
}

.app-name {
    font-size: 2.2em;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
}

.app-meta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.app-version {
    font-size: 0.9em;
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 10px;
    border-radius: 15px;
}

.app-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stars {
    color: #ffd700;
    letter-spacing: 2px;
}

.rating-text {
    opacity: 0.9;
}

.download-button-wrapper {
    position: relative;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    background: white;
    color: #007bff;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.qr-tooltip {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.download-button-wrapper:hover .qr-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.qr-container {
    background: white;
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.qr-tip {
    color: #333;
    margin-top: 10px;
    font-size: 0.9em;
    font-weight: 500;
}

.app-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1em;
    line-height: 1.6;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .app-hero-section {
        padding: 40px 0;
    }

    .app-download-header {
        padding: 20px;
    }

    .app-basic-info {
        gap: 15px;
    }

    .app-header-flex {
        flex-direction: column;
        gap: 20px;
    }

    .app-icon {
        width: 70px;
        height: 70px;
    }

    .app-name {
        font-size: 1.8em;
    }

    .app-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .download-button {
        width: 100%;
        justify-content: center;
    }

    .qr-tooltip {
        display: none;
    }
}

/* APP特色功能区域 */
.app-features-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.app-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 20px;
}

.app-feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.app-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* APP截图展示区域 */
.app-showcase-section {
    padding: 100px 0;
    background: white;
}

.screenshots-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 40px 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.screenshot-container {
    flex: 0 0 auto;
    scroll-snap-align: center;
    text-align: center;
}

.screenshot {
    height: 600px;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.screenshot-caption {
    margin-top: 20px;
    color: #666;
    font-size: 1.1em;
}

/* APP详情区域 */
.app-details-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.app-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.detail-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.detail-item {
    display: flex;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    width: 120px;
    color: #666;
    font-weight: 500;
}

.detail-value {
    flex: 1;
    color: #333;
}

.update-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.update-title {
    font-size: 1.4em;
    margin-bottom: 20px;
    color: #333;
}

.update-version {
    color: #007bff;
    font-weight: 500;
    margin-bottom: 15px;
}

.update-list {
    list-style: none;
    padding: 0;
}

.update-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.update-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

/* 用户评价区域 */
.app-reviews-section {
    padding: 100px 0;
    background: white;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px;
}

.review-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

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

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: #e9ecef;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
}

.reviewer-name {
    font-weight: 500;
    margin-bottom: 5px;
}

.review-stars {
    color: #ffd700;
}

.review-content {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .app-download-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .app-preview {
        display: none;
    }

    .app-details-grid {
        grid-template-columns: 1fr;
    }

    .screenshot {
        height: 450px;
    }

    .app-hero-section {
        padding: 60px 0;
    }

    .app-name {
        font-size: 2em;
    }

    .app-description {
        font-size: 1em;
    }

    .app-feature-card {
        padding: 30px;
    }
}