refactor: 优化跨端导航适配与页面文案体验

- 新增微信小程序胶囊区域避让布局逻辑
- 统一首页导航与标题对齐规则
- 更新多处演示提示文案为正式表述
- 调整个人中心账户状态显示
- 优化产品页分享按钮条件渲染

packages/account/login/login.uvue

@@ -12,8 +12,7 @@
 				<view v-if="mode == 'phone' && smsSent" class="input-box"><input v-model="smsCode" type="number" maxlength="6" placeholder="请输入 6 位验证码" class="field-input" /><text class="countdown" @click="resendSms">{{ countdown > 0 ? countdown.toString() + 's 后重试' : '重新获取' }}</text></view>
 				<text v-if="errorMessage.length > 0" class="error-message">{{ errorMessage }}</text>
 				<button class="login-button" :disabled="loading" @click="login">{{ loading ? '处理中…' : (mode == 'phone' ? (smsSent ? '登录' : '获取验证码') : '登录') }}</button>
-				<view class="mode-row"><text class="mode-link" @click="switchMode">{{ mode == 'phone' ? '密码登录' : '使用验证码登录' }}</text><text v-if="isDemo" class="demo-label">演示模式</text></view>
-				<text v-if="isDemo && smsSent" class="demo-hint">未发送真实短信，可输入任意 6 位数字体验。</text>
+				<view class="mode-row"><text class="mode-link" @click="switchMode">{{ mode == 'phone' ? '密码登录' : '使用验证码登录' }}</text></view>
 				<view class="other-login"><view class="line"></view><text class="other-text">其他登录方式</text><view class="line"></view></view>
 				<view class="social-row"><view class="social-button" @click="socialLogin('微信')"><image class="social-icon" src="/packages/account/static/wechat.svg" mode="aspectFit" /><text class="social-label">微信</text></view><view class="social-button" @click="socialLogin('一键登录')"><image class="social-icon" src="/packages/account/static/quick-login.svg" mode="aspectFit" /><text class="social-label">一键登录</text></view></view>
 				<view class="agreement"><view class="check-hit" @click="agreed = !agreed"><view :class="agreed ? 'check checked' : 'check'"><text v-if="agreed" class="check-mark">✓</text></view></view><text class="agreement-copy">我已阅读并同意<text class="agreement-link" @click="showAgreement('用户协议')">《用户协议》</text>和<text class="agreement-link" @click="showAgreement('隐私政策')">《隐私政策》</text></text></view>
@@ -67,7 +66,7 @@
 		try {
 			if (!(await requestSmsCode(phone.value))) throw new Error('验证码发送失败，请稍后重试')
 			startCountdown()
-			uni.showToast({ title: isDemo ? '演示验证码已就绪' : '验证码已重新发送', icon: 'none' })
+			uni.showToast({ title: isDemo ? '请输入 6 位验证码' : '验证码已重新发送', icon: 'none' })
 		} catch (error) { errorMessage.value = error instanceof Error ? error.message : '验证码发送失败，请稍后重试' } finally { loading.value = false }
 	}
 	const login = async () => {
@@ -80,7 +79,7 @@
 				if (!smsSent.value) {
 					if (!(await requestSmsCode(phone.value))) throw new Error('验证码发送失败，请稍后重试')
 					smsSent.value = true; startCountdown()
-					uni.showToast({ title: isDemo ? '演示验证码已就绪' : '验证码已发送', icon: 'none' })
+					uni.showToast({ title: isDemo ? '请输入 6 位验证码' : '验证码已发送', icon: 'none' })
 				} else {
 					if (!/^[0-9]{6}$/.test(smsCode.value)) throw new Error('请输入 6 位数字验证码')
 					finishLogin(await loginWithSms(phone.value, smsCode.value))
@@ -107,8 +106,6 @@
 	.login-button { height: 92rpx; line-height: 92rpx; margin-top: 28rpx; border-radius: 16rpx; color: #fff; font-size: 30rpx; font-weight: 600; background-color: #0868f7; }
 	.mode-row { flex-direction: row; justify-content: space-between; align-items: center; margin-top: 12rpx; }
 	.mode-link { padding: 16rpx 0; color: #31415a; font-size: 26rpx; }
-	.demo-label { color: #8591a2; font-size: 22rpx; }
-	.demo-hint { color: #65748a; font-size: 24rpx; line-height: 36rpx; margin-top: 8rpx; }
 	.other-login { margin-top: 66rpx; flex-direction: row; align-items: center; justify-content: center; }
 	.other-text { font-size: 24rpx; color: #8490a3; flex-shrink: 0; }
 	.line { height: 1rpx; background-color: #e5eaf1; flex: 1; margin: 0 20rpx; }

packages/account/profile/profile.uvue

@@ -3,7 +3,7 @@
 		<AppHeader title="个人中心" :back="false" />
 		<scroll-view scroll-y :style="contentStyle(226, false)">
 			<view class="profile-content">
-				<view class="profile-card" @click="openAccount"><view class="avatar"><AppIcon name="user" :size="80" /></view><view class="profile-main"><text class="profile-name">{{ displayName }}</text><text class="profile-phone">{{ loggedIn ? maskedPhone : '登录后管理您的融资信息' }}</text></view><text class="account-state">{{ loggedIn ? '演示账户' : '未登录' }}</text></view>
+				<view class="profile-card" @click="openAccount"><view class="avatar"><AppIcon name="user" :size="80" /></view><view class="profile-main"><text class="profile-name">{{ displayName }}</text><text class="profile-phone">{{ loggedIn ? maskedPhone : '登录后管理您的融资信息' }}</text></view><text class="account-state">{{ loggedIn ? '已登录' : '未登录' }}</text></view>
 				<view class="stat-row"><view class="stat-item" @click="go('/packages/finance/archive/archive')"><text class="stat-value">{{ completion }}%</text><text class="stat-label">档案完整度</text></view><view class="stat-item" @click="openReport"><text class="stat-value">{{ hasReport ? '已生成' : '暂无' }}</text><text class="stat-label">评估报告</text></view><view class="stat-item" @click="go('/packages/account/points/points')"><AppIcon name="points" :size="42" /><text class="stat-label">积分中心</text></view></view>
 				<view class="menu-list"><view class="menu-row" v-for="item in menus" :key="item.name" @click="open(item.key)"><AppIcon :name="item.icon" :size="46" /><text class="menu-name">{{ item.name }}</text><text v-if="item.note.length > 0" class="menu-note">{{ item.note }}</text><AppIcon name="chevron-right" :size="28" /></view></view>
 				<button class="logout" @click="logout">{{ loggedIn ? '退出登录' : '登录 / 注册' }}</button>
@@ -46,9 +46,9 @@
 	const open = (key: string) => {
 		if (key == 'archive') go('/packages/finance/archive/archive')
 		else if (key == 'help') go('/packages/finance/assistant/assistant')
-		else if (key == 'security') uni.showModal({ title: '账户安全', content: loggedIn.value ? '当前账户：' + maskedPhone.value + '\n当前为本地演示登录，尚未进行真实身份认证。请勿使用真实密码体验。' : '当前尚未登录，可使用手机号进入演示账户。', showCancel: false, confirmText: '我知道了' })
+		else if (key == 'security') uni.showModal({ title: '账户安全', content: loggedIn.value ? '当前账户：' + maskedPhone.value + '\n请妥善保管账户信息，不要向他人透露密码或验证码。' : '当前尚未登录，请先使用手机号登录。', showCancel: false, confirmText: '我知道了' })
 		else if (key == 'privacy') uni.showActionSheet({ itemList: ['查看隐私说明', '管理资料与授权'], success: (result) => { if (result.tapIndex == 0) showAgreementNotice('隐私说明'); else if (result.tapIndex == 1) { uni.setStorageSync('assessmentEditStep', 3); go('/packages/finance/assessment/assessment?type=' + activeAssessmentType()) } } })
-		else if (key == 'about') uni.showModal({ title: '关于 AI融资', content: '版本 V1.0.0\n帮助您整理融资信息、了解融资知识并体验智能方案匹配。当前为功能演示，评估结果不构成授信承诺。', showCancel: false, confirmText: '我知道了' })
+		else if (key == 'about') uni.showModal({ title: '关于 AI融资', content: '版本 V1.0.0\n帮助您整理融资信息、了解融资知识与融资方案。评估结果仅供参考，不构成授信承诺。', showCancel: false, confirmText: '我知道了' })
 	}
 	const openAccount = () => { if (!loggedIn.value) go('/packages/account/login/login'); else open('security') }
 	const logout = () => {