660 lines
19 KiB
Dart
660 lines
19 KiB
Dart
import 'dart:async';
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import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:pj_supermarket_cloud/common/style/xfj_design_tokens.dart';
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/// 顾客副屏待机欢迎页，真实副屏与主屏全屏预览共用同一份布局和时钟生命周期。
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class CustomerWelcomePage extends StatefulWidget {
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const CustomerWelcomePage({
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super.key,
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this.previewMode = false,
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this.onExit,
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this.now,
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this.clockTick = const Duration(minutes: 1),
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});
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final bool previewMode;
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final VoidCallback? onExit;
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final DateTime Function()? now;
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final Duration clockTick;
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@override
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State<CustomerWelcomePage> createState() => _CustomerWelcomePageState();
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}
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class _CustomerWelcomePageState extends State<CustomerWelcomePage> {
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late DateTime _currentTime;
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Timer? _clockTimer;
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@override
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void initState() {
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super.initState();
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_currentTime = _readNow();
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_startClock();
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}
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@override
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void didUpdateWidget(CustomerWelcomePage oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.clockTick != widget.clockTick ||
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oldWidget.now != widget.now) {
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_currentTime = _readNow();
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_startClock();
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}
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}
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DateTime _readNow() => widget.now?.call() ?? DateTime.now();
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void _startClock() {
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_clockTimer?.cancel();
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final tick = widget.clockTick > Duration.zero
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? widget.clockTick
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: const Duration(minutes: 1);
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_clockTimer = Timer.periodic(tick, (_) {
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if (mounted) setState(() => _currentTime = _readNow());
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});
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}
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@override
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void dispose() {
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_clockTimer?.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: XfjDesignTokens.canvas,
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body: Stack(
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children: [
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Positioned.fill(
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child: _CustomerWelcomeContent(currentTime: _currentTime),
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),
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if (widget.previewMode)
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Positioned(
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top: 16,
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right: 16,
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child: SafeArea(
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child: _PreviewExitButton(onTap: widget.onExit),
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),
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),
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],
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),
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);
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}
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}
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class _CustomerWelcomeContent extends StatelessWidget {
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const _CustomerWelcomeContent({required this.currentTime});
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final DateTime currentTime;
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@override
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Widget build(BuildContext context) {
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return LayoutBuilder(
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builder: (context, constraints) {
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final scale = math
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.min(constraints.maxWidth / 1920, constraints.maxHeight / 1080)
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.clamp(0.55, 1.12)
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.toDouble();
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return ColoredBox(
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key: const ValueKey('customer-welcome-page'),
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color: XfjDesignTokens.canvas,
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child: SafeArea(
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child: Column(
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children: [
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_WelcomeHeader(currentTime: currentTime, scale: scale),
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Expanded(
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child: Padding(
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padding: EdgeInsets.fromLTRB(
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24 * scale,
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0,
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24 * scale,
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24 * scale,
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),
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child: _WelcomeHero(scale: scale),
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),
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),
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],
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),
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),
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);
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},
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);
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}
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}
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class _WelcomeHeader extends StatelessWidget {
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const _WelcomeHeader({required this.currentTime, required this.scale});
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final DateTime currentTime;
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final double scale;
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@override
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Widget build(BuildContext context) {
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final hour = currentTime.hour.toString().padLeft(2, '0');
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final minute = currentTime.minute.toString().padLeft(2, '0');
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return SizedBox(
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height: 80 * scale,
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child: Padding(
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padding: EdgeInsets.symmetric(horizontal: 32 * scale),
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child: Row(
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children: [
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Text(
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'ZAX',
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style: TextStyle(
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color: const Color(0xFF0865E8),
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fontSize: 36 * scale,
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fontWeight: FontWeight.w900,
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fontStyle: FontStyle.italic,
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letterSpacing: -2 * scale,
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),
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),
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SizedBox(width: 20 * scale),
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Container(
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width: 1,
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height: 36 * scale,
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color: XfjDesignTokens.line,
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),
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SizedBox(width: 20 * scale),
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Text(
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'欢迎光临',
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style: TextStyle(
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color: XfjDesignTokens.ink,
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fontSize: 24 * scale,
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fontWeight: FontWeight.w800,
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letterSpacing: 1.2 * scale,
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),
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),
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SizedBox(width: 28 * scale),
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Container(
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padding: EdgeInsets.symmetric(
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horizontal: 16 * scale,
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vertical: 9 * scale,
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),
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decoration: BoxDecoration(
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color: XfjDesignTokens.primarySoft,
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border: Border.all(
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color: XfjDesignTokens.primary.withValues(alpha: 0.2),
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),
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borderRadius: BorderRadius.circular(12 * scale),
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),
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child: Text(
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'智慧收银',
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style: TextStyle(
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color: XfjDesignTokens.primary,
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fontSize: 16 * scale,
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fontWeight: FontWeight.w700,
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),
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),
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),
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const Spacer(),
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_ConnectionStatus(scale: scale),
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SizedBox(width: 20 * scale),
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Container(
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width: 1,
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height: 28 * scale,
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color: XfjDesignTokens.line,
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),
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SizedBox(width: 20 * scale),
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Text(
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'$hour:$minute',
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key: const ValueKey('customer-welcome-clock'),
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style: TextStyle(
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color: XfjDesignTokens.ink,
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fontSize: 20 * scale,
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fontWeight: FontWeight.w700,
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fontFeatures: const [FontFeature.tabularFigures()],
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),
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),
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],
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),
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),
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);
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}
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}
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class _ConnectionStatus extends StatelessWidget {
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const _ConnectionStatus({required this.scale});
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final double scale;
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@override
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Widget build(BuildContext context) {
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return Semantics(
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label: '设备已连接',
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child: Row(
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children: [
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Container(
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width: 10 * scale,
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height: 10 * scale,
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decoration: BoxDecoration(
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color: XfjDesignTokens.success,
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shape: BoxShape.circle,
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boxShadow: [
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BoxShadow(
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color: XfjDesignTokens.success.withValues(alpha: 0.12),
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spreadRadius: 5 * scale,
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),
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],
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),
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),
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SizedBox(width: 10 * scale),
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Text(
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'设备已连接',
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style: TextStyle(
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color: XfjDesignTokens.success,
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fontSize: 18 * scale,
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fontWeight: FontWeight.w700,
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),
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),
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],
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),
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);
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}
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}
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class _WelcomeHero extends StatelessWidget {
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const _WelcomeHero({required this.scale});
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final double scale;
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@override
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Widget build(BuildContext context) {
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final radius = BorderRadius.circular(24 * scale);
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return DecoratedBox(
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decoration: BoxDecoration(
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color: XfjDesignTokens.surface,
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border: Border.all(color: XfjDesignTokens.line),
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borderRadius: radius,
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boxShadow: const [
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BoxShadow(
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color: Color(0x14111827),
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blurRadius: 56,
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offset: Offset(0, 18),
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),
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],
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),
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child: ClipRRect(
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borderRadius: radius,
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child: Stack(
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fit: StackFit.expand,
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children: [
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_WelcomeAssetImage(
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key: const ValueKey('customer-welcome-hero'),
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asset:
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'assets/images/customer_welcome/abstract-welcome-hero.webp',
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semanticsLabel: '蓝色、薄荷绿与暖黄色卡通伙伴挥手欢迎',
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fit: BoxFit.cover,
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),
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Positioned(
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left: 32 * scale,
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top: 32 * scale,
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child: _ReadyCard(scale: scale),
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),
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Positioned(
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right: 32 * scale,
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top: 32 * scale,
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child: _SyncBadge(scale: scale),
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),
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Positioned(
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left: 32 * scale,
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bottom: 32 * scale,
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child: Row(
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children: [
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_WelcomeInfoCard(
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imageKey: const ValueKey('customer-welcome-flow'),
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asset: 'assets/images/customer_welcome/abstract-flow.webp',
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semanticsLabel: '卡通伙伴与空白卡片组成的轻量信息流插图',
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icon: Icons.auto_awesome_rounded,
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title: '内容实时更新',
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detail: '新的信息会自动显示',
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scale: scale,
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),
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SizedBox(width: 16 * scale),
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_WelcomeInfoCard(
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imageKey: const ValueKey('customer-welcome-care'),
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asset: 'assets/images/customer_welcome/abstract-care.webp',
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semanticsLabel: '卡通伙伴拥抱爱心盾牌的安心守护插图',
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icon: Icons.shield_outlined,
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title: '安心使用',
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detail: '个人信息会妥善保护',
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scale: scale,
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),
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],
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),
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),
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],
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),
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),
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);
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}
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}
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class _ReadyCard extends StatelessWidget {
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const _ReadyCard({required this.scale});
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final double scale;
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@override
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Widget build(BuildContext context) {
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return Container(
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width: 504 * scale,
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padding: EdgeInsets.all(24 * scale),
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decoration: _floatingDecoration(radius: 20 * scale),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.check_circle_rounded,
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color: XfjDesignTokens.success,
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size: 19 * scale,
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),
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SizedBox(width: 8 * scale),
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Text(
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'终端服务已就绪',
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style: TextStyle(
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color: XfjDesignTokens.success,
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fontSize: 14 * scale,
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fontWeight: FontWeight.w700,
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),
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),
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],
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),
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SizedBox(height: 16 * scale),
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Text(
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'欢迎使用',
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style: TextStyle(
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color: XfjDesignTokens.ink,
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fontSize: 48 * scale,
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height: 1.05,
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fontWeight: FontWeight.w900,
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letterSpacing: -1.7 * scale,
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),
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),
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SizedBox(height: 12 * scale),
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Text(
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'请稍候，接下来的内容会在这里清晰展示。',
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style: TextStyle(
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color: XfjDesignTokens.muted,
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fontSize: 18 * scale,
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height: 1.55,
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),
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),
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SizedBox(height: 20 * scale),
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Container(
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padding: EdgeInsets.symmetric(
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horizontal: 16 * scale,
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vertical: 12 * scale,
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),
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decoration: BoxDecoration(
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color: XfjDesignTokens.primarySoft,
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borderRadius: BorderRadius.circular(12 * scale),
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),
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child: Row(
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children: [
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Container(
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width: 10 * scale,
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height: 10 * scale,
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decoration: const BoxDecoration(
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color: XfjDesignTokens.primary,
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shape: BoxShape.circle,
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),
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),
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SizedBox(width: 12 * scale),
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Text(
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'正在等待服务开始',
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style: TextStyle(
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color: XfjDesignTokens.primary,
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fontSize: 14 * scale,
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fontWeight: FontWeight.w700,
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),
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),
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],
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),
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),
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],
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),
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);
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}
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}
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class _SyncBadge extends StatelessWidget {
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const _SyncBadge({required this.scale});
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final double scale;
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: EdgeInsets.symmetric(
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horizontal: 16 * scale,
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vertical: 10 * scale,
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),
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decoration: _floatingDecoration(
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radius: 24 * scale,
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shadow: const BoxShadow(
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color: Color(0x0F111827),
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blurRadius: 8,
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offset: Offset(0, 2),
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.wifi_rounded,
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color: XfjDesignTokens.success,
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size: 19 * scale,
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),
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SizedBox(width: 8 * scale),
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Text(
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'内容将自动同步',
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style: TextStyle(
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color: XfjDesignTokens.success,
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fontSize: 14 * scale,
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fontWeight: FontWeight.w700,
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),
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),
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],
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),
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);
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}
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}
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class _WelcomeInfoCard extends StatelessWidget {
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const _WelcomeInfoCard({
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required this.imageKey,
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required this.asset,
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required this.semanticsLabel,
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required this.icon,
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required this.title,
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required this.detail,
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required this.scale,
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});
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final Key imageKey;
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final String asset;
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final String semanticsLabel;
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final IconData icon;
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final String title;
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final String detail;
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final double scale;
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@override
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Widget build(BuildContext context) {
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final radius = BorderRadius.circular(16 * scale);
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return Container(
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width: 248 * scale,
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decoration: _floatingDecoration(radius: 16 * scale),
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child: ClipRRect(
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borderRadius: radius,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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SizedBox(
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width: double.infinity,
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height: 120 * scale,
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child: _WelcomeAssetImage(
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key: imageKey,
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asset: asset,
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semanticsLabel: semanticsLabel,
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fit: BoxFit.cover,
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),
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),
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Container(
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color: XfjDesignTokens.surface,
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padding: EdgeInsets.all(14 * scale),
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child: Row(
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children: [
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Container(
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width: 36 * scale,
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height: 36 * scale,
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alignment: Alignment.center,
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decoration: BoxDecoration(
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color: XfjDesignTokens.primarySoft,
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borderRadius: BorderRadius.circular(10 * scale),
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),
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child: Icon(
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icon,
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color: XfjDesignTokens.primary,
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size: 20 * scale,
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),
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),
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SizedBox(width: 12 * scale),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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color: XfjDesignTokens.ink,
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fontSize: 14 * scale,
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fontWeight: FontWeight.w800,
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),
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),
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SizedBox(height: 4 * scale),
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Text(
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detail,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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color: XfjDesignTokens.muted,
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fontSize: 12 * scale,
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),
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),
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],
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),
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),
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],
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),
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),
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],
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),
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),
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);
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}
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}
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class _WelcomeAssetImage extends StatelessWidget {
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const _WelcomeAssetImage({
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super.key,
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required this.asset,
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required this.semanticsLabel,
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required this.fit,
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});
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final String asset;
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final String semanticsLabel;
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final BoxFit fit;
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@override
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Widget build(BuildContext context) {
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return Image.asset(
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asset,
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fit: fit,
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semanticLabel: semanticsLabel,
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errorBuilder: (context, error, stackTrace) => ColoredBox(
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color: XfjDesignTokens.primarySoft,
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child: Center(
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child: Icon(
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Icons.image_not_supported_outlined,
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color: XfjDesignTokens.primary,
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size: 40,
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semanticLabel: '欢迎插图暂不可用',
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),
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),
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),
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);
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}
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}
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|
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class _PreviewExitButton extends StatelessWidget {
|
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const _PreviewExitButton({required this.onTap});
|
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|
|
final VoidCallback? onTap;
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@override
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Widget build(BuildContext context) {
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return Semantics(
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button: true,
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label: '退出欢迎副屏预览',
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child: Material(
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color: const Color(0xD9111827),
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borderRadius: BorderRadius.circular(12),
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(12),
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child: const SizedBox(
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width: 118,
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height: 48,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.close_fullscreen_rounded,
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color: Colors.white,
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size: 20,
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),
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SizedBox(width: 8),
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Text(
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'退出预览',
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w700,
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),
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),
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],
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),
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),
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),
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),
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);
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}
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}
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BoxDecoration _floatingDecoration({
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required double radius,
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BoxShadow shadow = const BoxShadow(
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color: Color(0x1F111827),
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blurRadius: 48,
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offset: Offset(0, 18),
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),
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}) {
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return BoxDecoration(
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color: const Color(0xF0FFFFFF),
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border: Border.all(color: const Color(0xE6FFFFFF)),
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borderRadius: BorderRadius.circular(radius),
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boxShadow: [shadow],
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);
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}
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