style(feedback): 选类型步骤改用 Lucide 图标 + 克制白卡

之前用 emoji + 整卡渐变背景，颜色饱和度高、和系统其他模块的视觉
语言不一致，看起来有点像玩具。

新视觉：
  - 替换 emoji 为 Lucide 图标：Lightbulb / Bug / Palette / NotebookPen
    与项目其他模块（Truck/Route/Zap）保持一致
  - 卡片白底 + 1px 浅边框，hover 阴影；选中态用 ring 替代填色
  - 图标放在彩色圆角小容器里（amber/rose/violet/blue），强度更克制
  - 标题升级到 13px，副标题统一 11px slate-400 medium
  - 入场级联动画 + 微交互（hover y=-1，→ 按钮位移）

文案微调：「想反馈点什么？」+ 副标题「选一个最贴近的类型」

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/FeedbackFab.tsx

@@ -1,6 +1,10 @@
 import { useEffect, useRef, useState } from 'react';
 import { motion, AnimatePresence } from 'motion/react';
-import { MessageCircleHeart, X, ChevronRight, ChevronLeft, Check, Sparkles, ImagePlus, Loader2, Inbox } from 'lucide-react';
+import {
+  MessageCircleHeart, X, ChevronRight, ChevronLeft, Check, Sparkles,
+  ImagePlus, Loader2, Inbox, Lightbulb, Bug, Palette, NotebookPen,
+  type LucideIcon,
+} from 'lucide-react';
 import { fetchJson } from '../auth/api-client';
 import FeedbackHistoryDrawer from './FeedbackHistoryDrawer';
 
@@ -37,11 +41,25 @@ function readAsDataUrl(file: File): Promise<string> {
 
 type FeedbackType = 'dimension' | 'bug' | 'ux' | 'other';
 
-const TYPE_OPTIONS: { key: FeedbackType; emoji: string; label: string; sub: string; color: string }[] = [
+interface TypeOption {
-  { key: 'dimension', emoji: '💡', label: '想看新的统计维度', sub: '比如按 XX 维度分组', color: 'from-amber-50 to-orange-50 border-amber-100' },
+  key: FeedbackType;
-  { key: 'bug',       emoji: '🐛', label: '报告一个 bug',     sub: '哪里看着不对劲',   color: 'from-rose-50 to-red-50 border-rose-100' },
+  icon: LucideIcon;
-  { key: 'ux',        emoji: '🎨', label: '界面 / 体验建议', sub: '哪里能更顺手',     color: 'from-violet-50 to-fuchsia-50 border-violet-100' },
+  label: string;
-  { key: 'other',     emoji: '📝', label: '其他想法',         sub: '欢迎随便聊聊',     color: 'from-slate-50 to-blue-50 border-slate-100' },
+  sub: string;
+  iconBg: string;
+  iconFg: string;
+  ring: string;
+}
+
+const TYPE_OPTIONS: TypeOption[] = [
+  { key: 'dimension', icon: Lightbulb,   label: '想看新的统计维度', sub: '比如按 XX 维度切片',
+    iconBg: 'bg-amber-50',  iconFg: 'text-amber-500',  ring: 'ring-amber-200' },
+  { key: 'bug',       icon: Bug,         label: '报告一个 Bug',     sub: '哪里看着不对劲',
+    iconBg: 'bg-rose-50',   iconFg: 'text-rose-500',   ring: 'ring-rose-200' },
+  { key: 'ux',        icon: Palette,     label: '界面 / 体验建议',  sub: '哪里能更顺手',
+    iconBg: 'bg-violet-50', iconFg: 'text-violet-500', ring: 'ring-violet-200' },
+  { key: 'other',     icon: NotebookPen, label: '其他想法',          sub: '欢迎随便聊聊',
+    iconBg: 'bg-blue-50',   iconFg: 'text-blue-500',   ring: 'ring-blue-200' },
 ];
 
 const MODULE_LABELS: Record<string, string> = {
@@ -286,22 +304,34 @@ export default function FeedbackFab({ module: moduleProp }: Props = {}) {
                 <AnimatePresence mode="wait">
                   {step === 1 && (
                     <motion.div key="s1" initial={{ opacity: 0, x: 12 }} animate={{ opacity: 1, x: 0 }} exit={{ opacity: 0, x: -12 }} transition={{ duration: 0.2 }}>
-                      <p className="text-[12px] font-bold text-slate-600 mb-3">想反馈什么呢？</p>
+                      <p className="text-[13px] font-bold text-slate-700 mb-1">想反馈点什么？</p>
+                      <p className="text-[11px] text-slate-400 font-bold mb-4">选一个最贴近的类型</p>
                       <div className="grid grid-cols-1 gap-2">
-                        {TYPE_OPTIONS.map(opt => (
+                        {TYPE_OPTIONS.map((opt, i) => {
-                          <button
+                          const Icon = opt.icon;
-                            key={opt.key}
+                          const selected = type === opt.key;
-                            onClick={() => { setType(opt.key); setStep(2); }}
+                          return (
-                            className={`text-left p-3 rounded-2xl border bg-gradient-to-br ${opt.color} hover:shadow-md transition-all flex items-center gap-3 ${type === opt.key ? 'ring-2 ring-blue-400 shadow' : ''}`}
+                            <motion.button
-                          >
+                              key={opt.key}
-                            <span className="text-2xl">{opt.emoji}</span>
+                              initial={{ opacity: 0, y: 6 }}
-                            <div className="flex-1 min-w-0">
+                              animate={{ opacity: 1, y: 0 }}
-                              <div className="text-[12px] font-black text-slate-800">{opt.label}</div>
+                              transition={{ delay: i * 0.04, duration: 0.2 }}
-                              <div className="text-[10px] text-slate-500 font-bold mt-0.5">{opt.sub}</div>
+                              whileHover={{ y: -1 }}
-                            </div>
+                              whileTap={{ scale: 0.99 }}
-                            <ChevronRight size={14} className="text-slate-400 flex-shrink-0" />
+                              onClick={() => { setType(opt.key); setStep(2); }}
-                          </button>
+                              className={`text-left p-3.5 rounded-2xl border bg-white transition-all flex items-center gap-3 group ${selected ? `ring-2 ${opt.ring} border-transparent shadow-sm` : 'border-slate-100 hover:border-slate-200 hover:shadow-sm'}`}
-                        ))}
+                            >
+                              <div className={`w-10 h-10 rounded-xl ${opt.iconBg} flex items-center justify-center flex-shrink-0`}>
+                                <Icon size={18} className={opt.iconFg} strokeWidth={2.2} />
+                              </div>
+                              <div className="flex-1 min-w-0">
+                                <div className="text-[13px] font-bold text-slate-800 leading-tight">{opt.label}</div>
+                                <div className="text-[11px] text-slate-400 font-medium mt-0.5">{opt.sub}</div>
+                              </div>
+                              <ChevronRight size={15} className="text-slate-300 flex-shrink-0 group-hover:text-slate-500 group-hover:translate-x-0.5 transition-all" />
+                            </motion.button>
+                          );
+                        })}
                       </div>
                     </motion.div>
                   )}