*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;color:#333;background:#f5f5f5;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}#app{width:100%;min-height:100%}button{border:none;outline:none;cursor:pointer;font-size:inherit}input{border:none;outline:none;font-size:inherit}.page{min-height:100vh;display:flex;flex-direction:column}.page-header{background:#fff;padding:16px;border-bottom:1px solid #eee}.page-header h2{font-size:18px;font-weight:600}.page-body{flex:1;overflow:auto}.page-footer{padding:12px 16px;background:#fff;border-top:1px solid #eee}.btn-primary{display:block;width:100%;height:48px;border-radius:8px;background:#1677ff;color:#fff;font-size:16px;font-weight:500}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary:active:not(:disabled){background:#0958d9}.loading{display:flex;justify-content:center;align-items:center;min-height:200px;color:#999}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:center;align-items:flex-end;z-index:1000}.modal-content{background:#fff;border-radius:16px 16px 0 0;width:100%;max-height:85vh;overflow:auto;padding:20px 16px;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-header h3{font-size:17px;font-weight:600}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#f0f0f0;border-radius:50%;font-size:18px;color:#666}