feat(mobile): add onboarding tour for voting page

- Add OnboardingTour component with step-by-step guidance
- Add useOnboarding composable for state management
- Reset onboarding on logout for re-viewing
- 4 steps: welcome, award selection, program voting, progress

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/client-mobile/src/components/OnboardingTour.vue

@@ -0,0 +1,399 @@
+<script setup lang="ts">
+import { ref, computed, watch, onMounted, onUnmounted, nextTick } from 'vue';
+import type { TourStep } from '../composables/useOnboarding';
+
+const props = defineProps<{
+  steps: TourStep[];
+  show: boolean;
+  currentStep: number;
+}>();
+
+const emit = defineEmits<{
+  next: [];
+  prev: [];
+  skip: [];
+  complete: [];
+}>();
+
+// Target element rect
+const targetRect = ref<DOMRect | null>(null);
+const tooltipRef = ref<HTMLElement | null>(null);
+
+// Update target element position
+function updateTargetRect() {
+  const step = props.steps[props.currentStep];
+  if (!step?.target) {
+    targetRect.value = null;
+    return;
+  }
+  const el = document.querySelector(step.target);
+  if (el) {
+    targetRect.value = el.getBoundingClientRect();
+  } else {
+    targetRect.value = null;
+  }
+}
+
+// Computed styles for highlight
+const highlightStyle = computed(() => {
+  if (!targetRect.value) return {};
+  const padding = 8;
+  return {
+    top: `${targetRect.value.top - padding}px`,
+    left: `${targetRect.value.left - padding}px`,
+    width: `${targetRect.value.width + padding * 2}px`,
+    height: `${targetRect.value.height + padding * 2}px`,
+  };
+});
+
+// Tooltip position
+const tooltipStyle = computed(() => {
+  const step = props.steps[props.currentStep];
+  if (!step) return {};
+
+  // Center position (no target)
+  if (!targetRect.value) {
+    return {
+      top: '50%',
+      left: '50%',
+      transform: 'translate(-50%, -50%)',
+    };
+  }
+
+  const pos = step.position || 'bottom';
+  const rect = targetRect.value;
+  const gap = 16;
+
+  switch (pos) {
+    case 'top':
+      return {
+        bottom: `${window.innerHeight - rect.top + gap}px`,
+        left: `${rect.left + rect.width / 2}px`,
+        transform: 'translateX(-50%)',
+      };
+    case 'bottom':
+      return {
+        top: `${rect.bottom + gap}px`,
+        left: `${rect.left + rect.width / 2}px`,
+        transform: 'translateX(-50%)',
+      };
+    case 'left':
+      return {
+        top: `${rect.top + rect.height / 2}px`,
+        right: `${window.innerWidth - rect.left + gap}px`,
+        transform: 'translateY(-50%)',
+      };
+    case 'right':
+      return {
+        top: `${rect.top + rect.height / 2}px`,
+        left: `${rect.right + gap}px`,
+        transform: 'translateY(-50%)',
+      };
+    default:
+      return {
+        top: '50%',
+        left: '50%',
+        transform: 'translate(-50%, -50%)',
+      };
+  }
+});
+
+// Arrow direction (opposite of tooltip position)
+const arrowDirection = computed(() => {
+  const step = props.steps[props.currentStep];
+  if (!step?.target || !targetRect.value) return '';
+  return step.position || 'bottom';
+});
+
+// Current step data
+const currentStepData = computed(() => props.steps[props.currentStep]);
+const isLastStep = computed(() => props.currentStep === props.steps.length - 1);
+const isFirstStep = computed(() => props.currentStep === 0);
+
+// Button text
+const nextButtonText = computed(() => {
+  if (isFirstStep.value) return '开始了解';
+  if (isLastStep.value) return '开始投票';
+  return '下一步';
+});
+
+function handleNext() {
+  if (isLastStep.value) {
+    emit('complete');
+  } else {
+    emit('next');
+  }
+}
+
+// Watch for step changes
+watch(() => props.currentStep, () => {
+  nextTick(updateTargetRect);
+});
+
+watch(() => props.show, (val) => {
+  if (val) {
+    nextTick(updateTargetRect);
+  }
+});
+
+// Handle resize
+onMounted(() => {
+  window.addEventListener('resize', updateTargetRect);
+  window.addEventListener('scroll', updateTargetRect, true);
+  if (props.show) {
+    nextTick(updateTargetRect);
+  }
+});
+
+onUnmounted(() => {
+  window.removeEventListener('resize', updateTargetRect);
+  window.removeEventListener('scroll', updateTargetRect, true);
+});
+</script>
+
+<template>
+  <Teleport to="body">
+    <Transition name="fade">
+      <div v-if="show" class="onboarding-overlay">
+        <!-- Backdrop with hole -->
+        <div class="backdrop" :class="{ 'has-target': !!targetRect }">
+          <svg v-if="targetRect" class="backdrop-svg" width="100%" height="100%">
+            <defs>
+              <mask id="hole-mask">
+                <rect width="100%" height="100%" fill="white" />
+                <rect
+                  :x="targetRect.left - 8"
+                  :y="targetRect.top - 8"
+                  :width="targetRect.width + 16"
+                  :height="targetRect.height + 16"
+                  rx="8"
+                  fill="black"
+                />
+              </mask>
+            </defs>
+            <rect width="100%" height="100%" fill="rgba(0,0,0,0.75)" mask="url(#hole-mask)" />
+          </svg>
+          <div v-else class="backdrop-solid" />
+        </div>
+
+        <!-- Highlight border -->
+        <div v-if="targetRect" class="highlight-border" :style="highlightStyle" />
+
+        <!-- Tooltip -->
+        <div ref="tooltipRef" class="tooltip" :style="tooltipStyle">
+          <!-- Arrow -->
+          <div v-if="arrowDirection" class="tooltip-arrow" :class="`arrow-${arrowDirection}`" />
+
+          <!-- Content -->
+          <div class="tooltip-content">
+            <h3 v-if="currentStepData?.title" class="tooltip-title">
+              {{ currentStepData.title }}
+            </h3>
+            <p class="tooltip-text">{{ currentStepData?.content }}</p>
+          </div>
+
+          <!-- Footer -->
+          <div class="tooltip-footer">
+            <div class="step-indicator">
+              <span
+                v-for="(_, idx) in steps"
+                :key="idx"
+                class="step-dot"
+                :class="{ active: idx === currentStep, completed: idx < currentStep }"
+              />
+            </div>
+            <div class="tooltip-actions">
+              <button class="btn-skip" @click="$emit('skip')">跳过</button>
+              <button class="btn-next" @click="handleNext">
+                {{ nextButtonText }}
+              </button>
+            </div>
+          </div>
+        </div>
+      </div>
+    </Transition>
+  </Teleport>
+</template>
+
+<style lang="scss" scoped>
+@use '../assets/styles/variables.scss' as *;
+
+.onboarding-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 9999;
+  pointer-events: auto;
+}
+
+.backdrop {
+  position: absolute;
+  inset: 0;
+}
+
+.backdrop-svg {
+  position: absolute;
+  inset: 0;
+}
+
+.backdrop-solid {
+  position: absolute;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.75);
+}
+
+.highlight-border {
+  position: fixed;
+  border: 2px solid $color-gold;
+  border-radius: 8px;
+  box-shadow: 0 0 0 4px rgba($color-gold, 0.3);
+  pointer-events: none;
+  transition: all 0.3s ease;
+}
+
+.tooltip {
+  position: fixed;
+  max-width: 300px;
+  background: #fff;
+  border-radius: 12px;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+  border: 2px solid $color-gold;
+  z-index: 10000;
+  overflow: hidden;
+}
+
+.tooltip-arrow {
+  position: absolute;
+  width: 12px;
+  height: 12px;
+  background: #fff;
+  border: 2px solid $color-gold;
+  transform: rotate(45deg);
+
+  &.arrow-top {
+    bottom: -8px;
+    left: 50%;
+    margin-left: -6px;
+    border-top: none;
+    border-left: none;
+  }
+
+  &.arrow-bottom {
+    top: -8px;
+    left: 50%;
+    margin-left: -6px;
+    border-bottom: none;
+    border-right: none;
+  }
+
+  &.arrow-left {
+    right: -8px;
+    top: 50%;
+    margin-top: -6px;
+    border-top: none;
+    border-left: none;
+  }
+
+  &.arrow-right {
+    left: -8px;
+    top: 50%;
+    margin-top: -6px;
+    border-bottom: none;
+    border-right: none;
+  }
+}
+
+.tooltip-content {
+  padding: 16px 16px 12px;
+}
+
+.tooltip-title {
+  margin: 0 0 8px;
+  font-size: 16px;
+  font-weight: 600;
+  color: $color-primary;
+}
+
+.tooltip-text {
+  margin: 0;
+  font-size: 14px;
+  line-height: 1.6;
+  color: $color-text-primary;
+}
+
+.tooltip-footer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  background: #fafafa;
+  border-top: 1px solid #eee;
+}
+
+.step-indicator {
+  display: flex;
+  gap: 6px;
+}
+
+.step-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: #ddd;
+  transition: all 0.2s ease;
+
+  &.active {
+    background: $color-gold;
+    transform: scale(1.2);
+  }
+
+  &.completed {
+    background: $color-primary;
+  }
+}
+
+.tooltip-actions {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.btn-skip {
+  background: none;
+  border: none;
+  color: $color-text-muted;
+  font-size: 14px;
+  cursor: pointer;
+  padding: 4px 8px;
+
+  &:active {
+    color: $color-text-secondary;
+  }
+}
+
+.btn-next {
+  background: linear-gradient(135deg, $color-gold 0%, $color-gold-dark 100%);
+  border: none;
+  color: #1a1a1a;
+  font-size: 14px;
+  font-weight: 600;
+  padding: 8px 16px;
+  border-radius: 20px;
+  cursor: pointer;
+  box-shadow: 0 2px 8px rgba($color-gold, 0.4);
+
+  &:active {
+    transform: scale(0.96);
+  }
+}
+
+// Transitions
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity 0.3s ease;
+}
+
+.fade-enter-from,
+.fade-leave-to {
+  opacity: 0;
+}
+</style>

packages/client-mobile/src/components/VotingDock.vue

@@ -31,7 +31,7 @@ function handleFrameClick(awardId: string) {
 </script>
 
 <template>
-  <div class="voting-dock">
+  <div class="voting-dock" data-tour="voting-dock">
     <!-- 选中提示 -->
     <div v-if="votingStore.selectedAward" class="selection-hint">
       <span class="hint-icon">{{ votingStore.selectedAward.icon }}</span>

packages/client-mobile/src/composables/useOnboarding.ts

@@ -0,0 +1,64 @@
+import { ref, computed } from 'vue';
+
+export interface TourStep {
+  target?: string;
+  title?: string;
+  content: string;
+  position?: 'top' | 'bottom' | 'left' | 'right' | 'center';
+}
+
+const STORAGE_KEY = 'gala_onboarding_completed';
+
+// Shared state across components
+const isCompleted = ref(localStorage.getItem(STORAGE_KEY) === 'true');
+const showTour = ref(false);
+const currentStep = ref(0);
+
+export function useOnboarding() {
+  const shouldShowTour = computed(() => !isCompleted.value);
+
+  function start() {
+    if (isCompleted.value) return;
+    currentStep.value = 0;
+    showTour.value = true;
+  }
+
+  function next() {
+    currentStep.value++;
+  }
+
+  function prev() {
+    if (currentStep.value > 0) {
+      currentStep.value--;
+    }
+  }
+
+  function skip() {
+    complete();
+  }
+
+  function complete() {
+    showTour.value = false;
+    isCompleted.value = true;
+    localStorage.setItem(STORAGE_KEY, 'true');
+  }
+
+  function reset() {
+    localStorage.removeItem(STORAGE_KEY);
+    isCompleted.value = false;
+    currentStep.value = 0;
+  }
+
+  return {
+    isCompleted,
+    showTour,
+    currentStep,
+    shouldShowTour,
+    start,
+    next,
+    prev,
+    skip,
+    complete,
+    reset,
+  };
+}

packages/client-mobile/src/views/VoteView.vue

@@ -1,11 +1,38 @@
 <script setup lang="ts">
-import { computed, onMounted } from 'vue';
+import { computed, onMounted, nextTick } from 'vue';
 import { useRouter } from 'vue-router';
 import { useVotingStore } from '../stores/voting';
 import { useConnectionStore } from '../stores/connection';
 import { showConfirmDialog } from 'vant';
 import VotingDock from '../components/VotingDock.vue';
 import ProgramCard from '../components/ProgramCard.vue';
+import OnboardingTour from '../components/OnboardingTour.vue';
+import { useOnboarding } from '../composables/useOnboarding';
+
+// Onboarding
+const { showTour, currentStep, shouldShowTour, start: startTour, next, skip, complete, reset: resetOnboarding } = useOnboarding();
+
+const tourSteps = [
+  {
+    content: '欢迎参与节目投票！您有 7 张选票，可以为喜欢的节目投出不同奖项。',
+    position: 'center' as const,
+  },
+  {
+    target: '[data-tour="voting-dock"]',
+    content: '第一步：选择一个奖项。每个奖项只能投给一个节目。',
+    position: 'top' as const,
+  },
+  {
+    target: '[data-tour="program-card"]',
+    content: '第二步：点击节目卡片，将选中的奖项投给它。',
+    position: 'bottom' as const,
+  },
+  {
+    target: '[data-tour="progress-ring"]',
+    content: '这里显示您的投票进度，投完所有票后可查看结果。',
+    position: 'bottom' as const,
+  },
+];
 
 const router = useRouter();
 const votingStore = useVotingStore();
@@ -43,6 +70,7 @@ async function handleLogout() {
       confirmButtonText: '确定',
       cancelButtonText: '取消',
     });
+    resetOnboarding(); // 重置引导状态，下次登录可再次查看
     connectionStore.logout();
     router.replace('/');
   } catch {
@@ -54,6 +82,12 @@ onMounted(() => {
   if (!connectionStore.isConnected) {
     connectionStore.connect();
   }
+  // Start onboarding tour if not completed
+  if (shouldShowTour.value) {
+    nextTick(() => {
+      setTimeout(startTour, 500);
+    });
+  }
 });
 </script>
 
@@ -74,7 +108,7 @@ onMounted(() => {
           {{ votingStatusMessage }}
         </span>
         <!-- 右侧：进度环 -->
-        <div class="progress-ring">
+        <div class="progress-ring" data-tour="progress-ring">
           <svg viewBox="0 0 36 36" class="circular-progress">
             <path class="circle-bg" d="M18 2.0845 a 15.9155 15.9155 0 0 1 0 31.831 a 15.9155 15.9155 0 0 1 0 -31.831" />
             <path class="circle-progress" :stroke-dasharray="`${votingStore.totalTicketCount > 0 ? (votingStore.usedTicketCount / votingStore.totalTicketCount) * 100 : 0}, 100`"
@@ -98,11 +132,22 @@ onMounted(() => {
         :index="index"
         :status="program.status"
         :is-current="program.id === votingStore.currentProgramId"
+        :data-tour="index === 0 ? 'program-card' : undefined"
       />
     </main>
 
     <!-- Voting Dock -->
     <VotingDock />
+
+    <!-- Onboarding Tour -->
+    <OnboardingTour
+      :steps="tourSteps"
+      :show="showTour"
+      :current-step="currentStep"
+      @next="next"
+      @skip="skip"
+      @complete="complete"
+    />
   </div>
 </template>