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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    min-height: 100vh;
}

.banner {
    margin: 0 auto;
    padding-top: 84px;
}

.bannertitle {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin: 2rem 0 1rem 0;
}

.bannert {
    text-align: center;
    font-size: 28px;
    color: #fff;
    margin-bottom: 1rem;
}

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

.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.9);
    z-index: 1000;
}

.scroll-progress {
    height: 100%;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    width: 0%;
    transition: width 0.3s ease;
}

.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    position: fixed;
    top: 2px;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 0.8rem 0;
}

.navbar:focus-within {
    box-shadow: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #667eea;
    color: white;
    padding: 8px;
    z-index: 1001;
    text-decoration: none;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn:focus {
    outline: none;
    outline-offset: 0;
    border-radius: 4px;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    height: 48px;
}

.nav-links li {
    display: flex;
    align-items: center;
    height: 48px;
}

.nav-links a, .nav-miniapp {
    display: flex;
    align-items: center;
    height: 48px;
    line-height: 48px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #667eea;
}

.nav-links a:focus,
.nav-miniapp:focus {
    outline: none;
}

.main-content {
    margin-top: 60px;
    padding-top: 0px;
    background-color: #f8f9fa;
}

.hero {
    margin-top: 0;
    padding: 20px 0 60px 0;
    text-align: center;
    color: #fff;
    position: relative;
    z-index: 1;
    /* 添加渐变背景，参考trae.cn网站风格 */
    background: linear-gradient(135deg, #165DFF 0%, #003cb3 100%);
    overflow: hidden;
}

/* 添加动态背景效果 */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    transform: rotate(30deg);
    animation: rotate 20s linear infinite;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(255,255,255,0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255,255,255,0.05) 0%, transparent 20%);
    z-index: -1;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.erotot {
    color: rgba(255, 255, 255, 0.5); /* 白色，50% 透明度 */
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
    padding-top: 80px;
    height: 230px;
}

/* 打字机效果样式 */
#typewriter-text {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

.typewriter-cursor {
    display: inline-block;
    animation: blink 1s infinite;
    color: #fff;
    font-weight: bold;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* 新增：左右布局容器样式 */
.hero-content-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    width: 60%;
    text-align: left;
    padding-left: 120px;
}

/* 应用截图轮播样式 */
.app-screenshots {
    position: relative;
    overflow: hidden;
    width: 40%;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    height: 380px;
    align-items: center;
}

.carousel-container {
    display: flex;
    width: 100%;
    height: 380px;
    position: relative;
}

.screenshot-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.screenshot-card.active {
    opacity: 1;
}

.screenshot-card img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
    border: 8px solid #ffffff;
    object-fit: contain;
}

.screenshot-card:nth-child(2) {
    transform: translateY(0);
}

/* 轮播指示器 */
.carousel-indicators {
    display: none;
}

.indicator-dot {
    display: none;
}

/* 悬停效果 */
@media (max-width: 768px) {
    .hero-content-container {
        flex-direction: column;
    }

    .hero-text,
    .app-screenshots {
        width: 100%;
    }

    .app-screenshots {
        width: 100%;
        margin: 1.5rem auto;
        padding: 1.5rem;
        height: 400px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .app-screenshots .carousel-container {
        height: 400px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .screenshot-card {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .screenshot-card img {
        max-width: 90%;
        border-width: 6px;
    }
}

/* 针对平板设备的优化 */
@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        padding: 0 25px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-text {
        padding-left: 60px;
    }
    
    .app-screenshots {
        padding: 1.5rem;
        height: 400px;
    }
    
    .app-screenshots .carousel-container {
        height: 400px;
    }
    
    .screenshot-card img {
        max-width: 90%;
        border-width: 6px;
    }
    
    .main-banner .feature-card {
        flex: 0 0 calc(50% - 1rem);
        padding: 1.2rem;
    }
    
    .extended-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .extended-feature-card {
        padding: 1.5rem;
    }
    
    .flow-steps {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .flow-step {
        flex: 0 0 calc(33.333% - 1rem);
        min-width: 200px;
    }
    
    .footer-experience-main {
        padding: 1.5rem;
    }
    
    .footer-experience-qrcode img {
        width: 140px;
        height: 140px;
    }
    
    .comparison-container {
        flex-direction: column;
        align-items: center;
    }
    
    .cost-column {
        width: 100%;
        max-width: 500px;
        margin-bottom: 20px;
    }
}

/* 针对更小屏幕的优化 */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .bannertitle {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 1.7rem;
    }
    
    .hero-text {
        padding-left: 0;
        text-align: center;
    }
    
    .cta-buttons {
        margin: 2rem auto;
        padding: 0 10px;
    }
    
    .main-banner .feature-card {
        flex: 0 0 100%;
    }
    
    .extended-features-content {
        padding: 0 15px;
    }
    
    .footer-experience {
        padding: 2rem 1rem;
    }
    
    .footer-experience-main {
        padding: 1.5rem 1rem;
    }
    
    .footer-step-list li {
        font-size: 1rem;
    }
    
    .cost-column {
        width: 100%;
    }
    
    .flow-step {
        min-width: 100%;
    }
    
    /* 底部统计信息在超小屏幕上的优化 */
    .footer-stat-num {
        font-size: 1.2rem;
    }
    
    .footer-stat-desc {
        font-size: 1rem;
    }
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
    margin-top: 50px;
    float: left;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.btn-secondary {
    background: #667eea; /* 改为蓝色背景 */
    color: white;
    border: none; /* 去掉边框 */
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4); /* 添加阴影效果 */
}

.btn-secondary:hover {
    background: #5a6fd8; /* 悬停时稍微加深颜色 */
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6); /* 加强阴影效果 */
}

.features {
    background: white;
    padding: 4rem 0;
    margin: 2rem 0;
    border-radius: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.main-banner .features {
    display: flex;
    justify-content: space-around;
    flex-wrap: nowrap;
    gap: 1.5rem;
    margin-top: 2rem;
    overflow-x: hidden;
}

.main-banner {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
}

.main-banner .feature-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    padding: 1.5rem;
    flex: 0 0 22%;
    min-width: 180px;
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

.extended-features {
    background: #f8f9fa;
    padding: 4rem 0 20px 0;
    margin: 2rem 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.extended-features-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.extended-features h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.extended-features-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.extended-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.extended-feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.extended-feature-card:hover {
    transform: translateY(-5px);
}

.extended-feature-card .feature-icon {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.extended-feature-card h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 1rem;
}

.extended-feature-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.advantages {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    margin: 2rem 0;
    border-radius: 20px;
    overflow: hidden;
}

.advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.advantage-item {
    text-align: center;
    padding: 1.5rem;
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.advantage-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.advantage-item p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.pain-points {
    background: white;
    padding: 4rem 0;
    margin: 2rem 0;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pain-points h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
}

.pain-points-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.pain-points-content p {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: #666;
}

.solution-highlight {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    display: inline-block;
    margin-top: 1rem;
}

.full-solution-banner {
    background-color: #165DFF;
    color: white;
    padding: 40px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    margin: 40px auto;
    max-width: 1120px;
}

.banner-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.banner-title {
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: 600;
}

.banner-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.banner-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.banner-btn {
    background: transparent;
    border: 1px solid white;
    color: white;
    padding: 8px 18px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.banner-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.operation-flow {
    background-color: #165DFF;
    color: white;
    padding: 40px 20px;
    margin: 20px 0 40px;
    border-radius: 10px;
    text-align: center;
}

.flow-title {
    font-size: 28px;
    margin-bottom: 30px;
    font-weight: 600;
}

.flow-steps {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: white;
    color: #165DFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin: 0 auto 15px;
}

.step-title {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 500;
}

.step-desc {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.5;
}

.cost-comparison {
    background-color: #e6f7ff;
    padding: 30px;
    border-radius: 20px;
    margin-top: 30px;
}

.comparison-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 25px;
    color: #333;
}

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

.cost-column {
    background-color: white;
    padding: 20px;
    border-radius: 15px;
    width: 500px;
}

.column-title {
    text-align: center;
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.cost-column:first-child .column-title {
    color: #d92d20;
}

.cost-column:last-child .column-title {
    color: #00b42a;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #f0f0f0;
}

.item-name {
    color: #666;
}

.item-value {
    font-weight: 500;
}

.cost-total {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 0px solid #f0f0f0;
    font-weight: bold;
}

.total-value {
    color: #d92d20;
}

.cost-column:last-child .total-value {
    color: #00b42a;
}

.comparison-summary {
    text-align: center;
    color: #333;
    font-size: 16px;
    margin-top: 15px;
}

.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 0;
    margin-top: 2rem;
    border-radius: 28px 28px 0 0;
}

.footer h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer p {
    opacity: 0.8;
}

.footer-experience-main { 
    margin: 0 auto; 
    text-align: center; 
}

.footer-experience {
    background: #2563eb;
    color: #fff;
    border-radius: 28px 28px 0 0;
    margin: 0 auto;
    max-width: 100%;
    box-shadow: 0 4px 32px rgba(0,0,0,0.08);
    padding: 6.5rem 2rem;
    text-align: center;
}

.footer-experience h3 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.footer-experience p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.footer-experience-main {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 2rem;
    flex-wrap: wrap;
    background: rgba(255,255,255,0.04);
    border-radius: 16px;
    padding: 2rem;
    max-width: 1160px;
    margin: 0 auto;
}

.footer-experience-steps {
    flex: 1.2;
    text-align: left;
    flex-direction: column;
    justify-content: center;
    margin-top: 10px;
    margin-right: 2rem; /* 添加右边距，使内容向右移动 */
    padding-left: 4rem ;
}

.footer-step-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1.2rem;
}

.footer-step-list {
    margin-left: 0;
    padding-left: 0;
    list-style: none;
    counter-reset: stepnum;
}

.footer-step-list li {
    display: flex;
    align-items: center;
    font-size: 1.08rem;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-step-num {
    counter-increment: stepnum;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #3b82f6;
    color: #fff;
    font-weight: bold;
    font-size: 1.1rem;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    margin-right: 1rem;
    box-shadow: 0 2px 8px rgba(59,130,246,0.10);
}

.footer-miniapp-btns {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-miniapp-btn {
    display: flex;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    padding: 0.7rem 1.5rem;
    cursor: pointer;
    transition: background 0.2s;
}

.footer-miniapp-btn.left {
    background: #5d81e4;
    color: #fff;
}

.footer-miniapp-btn.right {
    background: #22c55e;
    color: #fff;
}

.footer-miniapp-btn.right i {
    margin-left: 0.5rem;
}

.footer-miniapp-btn.left i {
    margin-right: 0.5rem;
}

.footer-experience-qrcode {
    flex: 1;
    margin-top: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.footer-experience-qrcode img {
    width: 160px;
    height: 160px;
    border-radius: 18px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    background: #fff;
    margin-bottom: 0.5rem;
    padding: 24px;
}

.footer-experience-qrcode span {
    color: #fff;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.footer-experience-stats {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 28px;
    max-width: 1200px;
    margin: 60px auto;
}

.footer-stat {
    background: rgb(46 105 236);
    border-radius: 0.5rem;
    padding:20px 0 20px 0;
    text-align: center;
    flex: 1;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 500;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.footer-stat-num {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0;
    color: #fff;
    transition: all 0.8s ease-out;
}

.footer-stat br {
    display: none;
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none; /* 默认隐藏 */
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: all 0.3s ease;
}

.back-to-top:hover {
    background: #5a6fd8;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.back-to-top:active {
    transform: translateY(-1px);
}

.back-to-top:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* 响应式设计 - 移动端适配 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        height: auto;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff; /* 根据规范设置为浅灰色背景 */
        backdrop-filter: blur(12px);
        padding: 1.5rem 1rem; /* 增加内边距以提高可读性 */
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15); /* 增强阴影效果 */
        gap: 1rem; /* 增加项目间距 */
        z-index: 1000;
        border-bottom-left-radius: 12px; /* 添加圆角 */
        border-bottom-right-radius: 12px;
    }

    .nav-links.active,
    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        margin-top: 60px;
        padding: 2.5rem 0 1.5rem 0;
    }
    
    .banner {
        padding-top: 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p,
    .btn {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        float: none;
        margin: 2rem auto;
        width: 100%;
        max-width: 350px;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        padding: 1rem;
    }

    .features-grid,
    .advantages-grid,
    .footer-experience-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .footer-experience-main {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem 0.5rem;
    }

    .footer-experience-qrcode img {
        width: 120px;
        height: 120px;
    }
    
    .comparison-container {
        flex-direction: column;
        align-items: center;
    }
    
    .cost-column {
        width: 100%;
        max-width: 500px;
        margin-bottom: 20px;
    }
    
    /* 轮播图移动端优化 */
    .app-screenshots {
        width: 100%;
        margin: 1.5rem auto;
        padding: 1.5rem;
        overflow-x: auto;
        justify-content: flex-start;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .screenshot-card {
        scroll-snap-align: center;
        flex-shrink: 0;
    }

    .screenshot-card img {
        width: 200px;
        border-width: 6px;
    }
    
    /* 优化移动端触摸目标 */
    .nav-links a, .nav-miniapp {
        padding: 0.8rem 0;
        min-height: 48px;
    }

    .banner-btn {
        padding: 12px 20px;
        min-width: 100px;
    }

    /* 优化按钮触摸目标 */
    .btn {
        min-height: 50px;
    }
    
    /* 主要功能卡片移动端优化 */
    .main-banner .features {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .main-banner .feature-card {
        flex: 0 0 calc(50% - 1rem);
        min-width: auto;
    }
    
    /* 扩展功能网格优化 */
    .extended-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* 操作流程移动端优化 */
    .flow-steps {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    /* 底部统计信息优化 */
    .footer-experience-stats {
        flex-direction: column;
        gap: 1rem;
        margin: 30px auto;
    }
    
    .footer-stat {
        padding: 15px 0;
    }
    
    .footer-stat-num {
        font-size: 1.3rem;
    }
    
    /* 成本对比部分优化 */
    .cost-comparison {
        padding: 20px 15px;
    }
    
    .cost-column {
        padding: 15px;
    }
    
    /* 用户痛点区域优化 */
    .feature-cards {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .feature-card {
        width: 100%;
        max-width: 350px;
    }
}

/* 动画效果优化 */
.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* 可访问性增强 */
a:focus,
button:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* 性能优化 */
.hero {
    background-attachment: scroll;
}

.footer-stat-desc {
    font-size: 1.15rem;
    color: #e0e7ff;
    font-weight: 400;
}

.nav-miniapp {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2563eb !important;
    font-weight: 600;
    font-size: 1.08rem;
    background: #fff;
    border-radius: 8px;
    padding: 0.3rem 1.1rem;
    box-shadow: 0 2px 8px rgba(59,130,246,0.08);
    transition: background 0.2s, color 0.2s;
    border: none;
}

.nav-miniapp i {
    font-size: 1.2rem;
    margin-right: 0.3rem;
}

.nav-miniapp:hover {
    background: #e0e7ff;
    color: #1d4ed8 !important;
}

.feature-cards {
    display: flex;
    gap: 30px;
    margin: 20px 0;
    flex-wrap: wrap;
    justify-content: center;
}

.feature-card {
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    padding: 15px 20px;
    flex: 1 0 60px;
    min-width: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.green {
    color: #00b42a;
}