*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{min-height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;line-height:1.5;color:#333;background:#f5f7fa;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input{font:inherit}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.app{display:flex;flex-direction:column;align-items:center;width:100%;min-height:100vh;padding:20px}.main{display:flex;flex:1;flex-direction:column;align-items:center;width:100%}.loading{margin:50px 0;font-size:1.125rem;color:#333}.error{width:100%;max-width:600px;margin:20px 0;padding:15px 20px;border-left:4px solid #f44336;border-radius:8px;background:#f443361a;color:#b71c1c;text-align:center}.weather-card{display:flex;flex-direction:column;width:100%;max-width:600px;padding:24px;border-radius:12px;background:#fff;box-shadow:0 2px 12px #0000001a;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.search-container{position:relative;display:flex;align-items:center;gap:10px;width:100%;margin-bottom:24px}.search-container input{flex:1;min-height:40px;padding:10px 15px;border:1px solid #dddddd;border-radius:8px;font-size:14px;outline:none;transition:border-color .3s ease,box-shadow .3s ease;-webkit-appearance:none;appearance:none}.search-container input:focus{border-color:#4caf50;box-shadow:0 0 0 2px #4caf5033}.search-btn,.location-btn{display:flex;align-items:center;justify-content:center;min-height:40px;padding:10px 20px;border:none;border-radius:8px;color:#fff;font-size:14px;cursor:pointer;transition:background-color .3s ease,transform .3s ease,box-shadow .3s ease;-webkit-tap-highlight-color:transparent}.search-btn{background:#4caf50}.search-btn:hover{background:#45a049;box-shadow:0 2px 8px #4caf504d;transform:translateY(-1px)}.search-btn:active{box-shadow:0 1px 4px #4caf504d;transform:translateY(0)}.location-btn{background:#666}.location-btn:hover{background:#555;box-shadow:0 2px 8px #0003;transform:translateY(-1px)}.location-btn:active{box-shadow:0 1px 4px #0003;transform:translateY(0)}.search-results{position:absolute;top:100%;right:0;left:0;z-index:1000;max-height:300px;margin-top:10px;overflow-y:auto;list-style:none;border-radius:8px;background:#fff;box-shadow:0 4px 12px #00000026}.search-result-item{display:flex;align-items:center;min-height:48px;padding:16px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background-color .2s ease;-webkit-tap-highlight-color:transparent}.search-result-item:hover{background-color:#f5f5f5}.search-result-item:active{background-color:#e9ecef}.search-result-item:last-child{border-bottom:none}.current-weather{margin-bottom:30px}.current-weather h2{font-size:1.5rem;color:#333}.update-time{margin-bottom:20px;font-size:.9rem;color:#999}.weather-info{display:flex;flex-wrap:wrap;align-items:center;gap:30px}.temperature{flex-shrink:0;font-size:3.5rem;font-weight:700;color:#333}.weather-status{display:flex;flex-direction:column;justify-content:center}.weather-desc{margin-bottom:5px;font-size:1.2rem;color:#666}.air-quality-info{font-size:.9rem;color:#999}.aqi-level{font-weight:600}.weather-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-bottom:30px}.weather-detail-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px;border-radius:8px;background:#f8f9fa}.weather-detail-label{font-size:.9rem;color:#666}.weather-detail-value{font-size:1.05rem;font-weight:500;color:#333;text-align:right}.forecast{margin-bottom:10px}.forecast h3{margin-bottom:15px;font-size:1.2rem;color:#333}.forecast-list{display:flex;gap:15px;overflow-x:auto;padding-bottom:10px}.forecast-item{display:flex;flex:0 0 120px;flex-direction:column;align-items:center;padding:15px;border-radius:8px;background:#f8f9fa;text-align:center;transition:transform .2s ease,box-shadow .2s ease}.forecast-item:hover{box-shadow:0 2px 8px #0000001a;transform:translateY(-2px)}.forecast-date{margin-bottom:10px;font-size:.9rem;color:#666}.forecast-sky{margin:10px 0;font-size:.9rem;color:#777}.forecast-temp{margin:10px 0;font-size:.9rem;color:#333}.no-data{padding:20px;color:#999;text-align:center}@media(max-width:768px){.app{padding:15px}.weather-card{padding:20px}.search-container{flex-direction:column;align-items:stretch}.search-btn,.location-btn{width:100%;padding:12px}.weather-info{flex-direction:column;gap:20px;text-align:center}.temperature{font-size:3rem}.weather-details{grid-template-columns:minmax(0,1fr)}}@media(max-width:480px){.weather-card{padding:15px}.current-weather h2{font-size:1.3rem}.temperature{font-size:2.5rem}.weather-desc{font-size:1rem}.forecast-item{flex-basis:104px;padding:12px}}