* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #f5f7fc;
    color: #0a1c2f;
    line-height: 1.4;
    overflow-x: hidden;
}

/* 移动端容器 左右留白更小，充分利用宽度 */
.container {
    max-width: 100%;
    padding: 16px 16px 48px;
    margin: 0 auto;
}

/* 简化导航栏 - 移动端更紧凑 */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    flex-wrap: wrap;
    gap: 8px;
}
.logo-area h1 {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #0b2b44, #1a6e3f);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: -0.3px;
}
.logo-area p {
    font-size: 11px;
    color: #5f6f8a;
    margin-top: 2px;
}
.nav-links {
    display: flex;
    gap: 18px;
}
.nav-links a {
    font-size: 13px;
    font-weight: 600;
    color: #1a6e3f;
    text-decoration: none;
}

/* 主卡片 — 移动端圆角减小，内边距优化 */
.app-hero {
    background: #ffffff;
    border-radius: 32px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.04);
    margin-top: 20px;
    padding: 24px 20px;
}
.app-main-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
}
/* 移动端图标缩小一点但醒目 */
.app-icon {
    width: 96px;
    height: 96px;
    background: linear-gradient(145deg, #0f2b1f, #164a2c);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 18px -6px rgba(0,0,0,0.2);
    margin-bottom: 4px;
}
.app-icon i {
    font-size: 52px;
    color: white;
}
.app-name {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(125deg, #0b2f1c, #1c5e3c);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.app-subtitle {
    font-size: 15px;
    color: #4a5c77;
    font-weight: 500;
    margin-top: 4px;
}
.badge-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 12px 0 8px;
}
.badge {
    background: #eef3fc;
    padding: 5px 14px;
    border-radius: 40px;
    font-size: 12px;
    font-weight: 600;
    color: #1a6e3f;
}
.rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 10px 0 6px;
}
.stars {
    color: #ffb800;
    font-size: 16px;
    letter-spacing: 2px;
}
.rating-value {
    font-weight: 800;
    background: #eef2f9;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 14px;
}
/* 按钮组改为超链接样式，保留视觉一致，但用a标签 */
.download-buttons {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin: 16px 0 8px;
}
.btn-download {
    background: #1a6e3f;
    color: white;
    border: none;
    padding: 14px 0;
    border-radius: 60px;
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    box-shadow: 0 4px 10px rgba(26,110,63,0.25);
    text-decoration: none;
}
.btn-secondary {
    background: #eef3fc;
    color: #1e2f3e;
    box-shadow: none;
    border: 1px solid #e2e8f0;
}
.info-meta {
    font-size: 12px;
    color: #6c7d9a;
    margin-top: 12px;
    text-align: center;
}

/* 数据看板 (移动端 2x2 网格) */
.stats-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 28px 0 24px;
}
.stat-card {
    background: white;
    border-radius: 24px;
    padding: 16px 8px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.03);
}
.stat-number {
    font-size: 26px;
    font-weight: 800;
    color: #1a6e3f;
}
.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: #5f6e84;
    margin-top: 6px;
}

/* 横向滚动截图区 - 移动端手指滑动友好 */
.screenshot-section {
    margin: 32px 0 20px;
}
.section-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.screenshot-scroll {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.screenshot-card {
    flex: 0 0 74%;
    scroll-snap-align: start;
    background: #ffffff;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0,0,0,0.06);
}
/* 截图图片占位区域 - 方便用户替换为真实截图 */
.screenshot-img {
    width: 100%;
    display: block;
    background: #eef2f9;
    object-fit: cover;
}
/* 占位样式仅用于演示，用户可替换为真实图片后占位自动消失 */
.screenshot-placeholder {
    background: linear-gradient(145deg, #eef2f9, #e3eaf3);
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
    color: #2c4b35;
    font-size: 14px;
}
.screenshot-placeholder i {
    font-size: 42px;
    opacity: 0.7;
}
/* 真实截图时覆盖占位，建议直接放img标签，本例保留img与占位共存逻辑，用户替换src即可 */
.screenshot-card img {
    width: 100%;
    display: block;
}

/* 功能网格 移动端单列 */
.features-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin: 32px 0 28px;
}
.feature-card {
    background: white;
    border-radius: 28px;
    padding: 20px 18px;
    box-shadow: 0 5px 12px rgba(0,0,0,0.02);
    border: 1px solid #f0f2f8;
}
.feature-icon {
    font-size: 36px;
    color: #1a6e3f;
    margin-bottom: 12px;
}
.feature-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
    font-weight: 700;
}
.feature-card p {
    font-size: 14px;
    color: #4f607a;
    line-height: 1.4;
}

/* AI 横幅 移动端适应 */
.ai-predict-banner {
    background: linear-gradient(105deg, #eef6ef, #e1f0e6);
    border-radius: 32px;
    padding: 22px 20px;
    margin: 28px 0 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}
.ai-text h4 {
    font-size: 20px;
    font-weight: 800;
    color: #0b3b23;
}
.ai-text p {
    font-size: 14px;
    margin-top: 6px;
    color: #2b4b36;
}
.ai-predict-banner .btn-download {
    width: auto;
    padding: 12px 24px;
    background: #0b3b23;
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
}

/* 评价区域 移动端滑动 */
.review-section {
    background: white;
    border-radius: 32px;
    padding: 24px 20px;
    margin: 28px 0;
}
.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.review-cards {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
}
.review-item {
    background: #f8fafd;
    border-radius: 24px;
    padding: 18px;
    min-width: 260px;
    flex: 0 0 auto;
    scroll-snap-align: start;
}

/* 底部下载区域 */
.download-footer-card {
    background: white;
    border-radius: 32px;
    padding: 24px 20px;
    text-align: center;
    margin-top: 20px;
}
.qrcode-sim {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #f2f6fc;
    border-radius: 60px;
    padding: 6px 20px;
    margin-bottom: 16px;
}
.footer-info {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    font-size: 12px;
    color: #7c8aa3;
    border-top: 1px solid #eef2f8;
}

/* Toast 移动端 */
.toast-msg {
    position: fixed;
    bottom: 24px;
    left: 16px;
    right: 16px;
    transform: scale(0.95);
    background: #0f2b1fe6;
    backdrop-filter: blur(12px);
    color: white;
    padding: 12px 20px;
    border-radius: 60px;
    font-weight: 500;
    font-size: 14px;
    text-align: center;
    opacity: 0;
    transition: 0.2s;
    pointer-events: none;
    z-index: 1000;
    width: auto;
}
.toast-msg.show {
    opacity: 1;
    transform: scale(1);
}
/* 移动端按钮点击优化 */
a, button {
    cursor: pointer;
}
@media (min-width: 640px) {
    .container {
        max-width: 600px;
        margin: 0 auto;
        padding: 20px 20px 56px;
    }
    .download-buttons {
        flex-direction: row;
    }
    .btn-download {
        width: auto;
        flex: 1;
    }
    .features-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }
    .screenshot-card {
        flex: 0 0 56%;
    }
}
@media (min-width: 800px) {
    .container {
        max-width: 720px;
    }
}
/* 设备适配提示行样式 */
.device-badge {
    margin-top: 6px;
    font-size: 11px;
    font-weight: 500;
    background: #eef2f9;
    display: inline-block;
    padding: 4px 12px;
    border-radius: 30px;
    color: #1a6e3f;
}