.header{background-color:#fff;box-shadow:0 2px 10px #0000001a;position:sticky;top:0;z-index:100}.header .container{display:flex;justify-content:space-between;align-items:center;height:70px}.logo{font-size:1.8rem;font-weight:700;color:#3498db}.nav ul{display:flex}.nav li{margin-left:30px}.nav a{font-size:1rem;color:#333;transition:color .3s}.nav a:hover{color:#3498db}.app-detail-section{background-color:#f9f9f9;padding:40px 0}.app-header{display:flex;justify-content:space-between;align-items:center;background-color:#fff;border-radius:8px;padding:20px;margin-bottom:30px;box-shadow:0 2px 10px #0000001a}.app-header-left{display:flex;align-items:center}.app-icon{width:80px;height:80px;margin-right:20px}.app-icon img{width:100%;height:100%;border-radius:16px;object-fit:cover}.app-title{font-size:1.8rem;font-weight:700;color:#333;margin-bottom:5px}.app-subtitle{font-size:1rem;color:#777}.download-btn{display:inline-block;background-color:#3498db;color:#fff;padding:12px 25px;border-radius:6px;font-size:1rem;font-weight:700;transition:background-color .3s}.download-btn:hover{background-color:#2980b9}.app-content{display:grid;grid-template-columns:1fr;gap:30px}.app-meta,.app-screenshots,.app-description{background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a}.app-meta{padding:20px}.app-screenshots,.app-description{padding:25px}.detail-section-title{font-size:1.4rem;font-weight:700;color:#333;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #eee}.meta-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px 30px;margin-bottom:10px}.meta-item{display:flex;align-items:baseline}.meta-label{font-weight:700;color:#555;margin-right:10px;min-width:80px;flex-shrink:0}.meta-value{color:#666;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.meta-link{color:#3498db}.meta-link:hover{text-decoration:underline}.screenshot-gallery{display:flex;flex-wrap:nowrap;gap:15px;justify-content:center;margin:0 auto;max-width:1200px}.screenshot{flex:0 0 auto;width:200px;height:360px;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px #0000001a;transition:transform .2s}.screenshot:hover{transform:translateY(-5px);box-shadow:0 5px 15px #00000026}.screenshot img{width:100%;height:100%;object-fit:cover}.description-content{color:#555;line-height:1.6}.description-content p{margin-bottom:15px}.footer{background-color:#2c3e50;color:#fff;padding:30px 0;text-align:center}.contact-info{margin-bottom:20px}.copyright{font-size:.9rem;color:#ffffffb3}@media (max-width: 768px){.app-header{flex-direction:column;align-items:flex-start}.app-header-right{margin-top:20px;align-self:stretch}.download-btn{display:block;text-align:center}.screenshot-gallery{flex-wrap:wrap;justify-content:space-around}.screenshot{width:150px;height:270px;margin-bottom:15px}.meta-list{grid-template-columns:1fr;gap:10px}.meta-item{margin-bottom:5px}}@media (max-width: 576px){.app-header-left{flex-direction:column;align-items:center;text-align:center;width:100%}.app-icon{margin-right:0;margin-bottom:15px}.meta-item{flex-direction:column}.meta-label{margin-bottom:5px}.screenshot{width:120px;height:215px}}