:root{--wechat-green:#07c160;--wechat-green-light:#95ec69;--wechat-bg:#ededed;--wechat-sidebar:#2e2e2e;--wechat-hover:#3a3a3a;--wechat-bubble-own:#95ec69;--wechat-bubble-other:#fff;--wechat-text:#1a1a1a;--wechat-text-secondary:#b0b0b0;--wechat-border:#d9d9d9;--wechat-header:#fff;--wechat-red:#fa5151;--sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px);--sar:env(safe-area-inset-right,0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body,#app{width:100%;height:100%;overflow:hidden}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;background:#fff;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Helvetica Neue,sans-serif}a{color:inherit;text-decoration:none}input,textarea,button{font-family:inherit;font-size:inherit;outline:none}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-thumb{background:#c8c8c8;border-radius:4px}button{cursor:pointer}button:active{opacity:.7}.btn-primary{background:var(--wechat-green);color:#fff;border:none;border-radius:8px;justify-content:center;align-items:center;padding:12px 24px;font-size:16px;font-weight:500;transition:opacity .2s;display:inline-flex}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-block{width:100%}.avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:flex;overflow:hidden}.avatar-sm{width:40px;height:40px;font-size:16px}.avatar-md{width:48px;height:48px;font-size:18px}.avatar-lg{width:56px;height:56px;font-size:22px}.avatar-xl{width:80px;height:80px;font-size:32px}.avatar-40{width:40px;height:40px}.avatar-default{color:#fff;background:linear-gradient(135deg,#07c160,#06ad56)}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.text-muted{color:#999}.text-sm{font-size:12px}.text-xs{font-size:11px}.input{background:#f8f8f8;border:1px solid #e0e0e0;border-radius:10px;width:100%;padding:14px 16px;font-size:15px;transition:border .2s,background .2s}.input:focus{border-color:var(--wechat-green);background:#fff}.input::-webkit-input-placeholder{color:#bbb}.input::-moz-placeholder{color:#bbb}.input::-ms-input-placeholder{color:#bbb}.input::placeholder{color:#bbb}@media (max-width:767px){::-webkit-scrollbar{width:0;height:0}.avatar-sm{width:44px;height:44px;font-size:18px}}.safe-top{padding-top:var(--sat)}.safe-bottom{padding-bottom:var(--sab)}