feat: contract account tab, full i18n, male avatar, PC home stretch

- Asset page: add Contract account row + tab, show num_lh balance
- Total Assets = Spot + Contract + Fiat
- All Chinese text eliminated (z-paging, loadmore, colorui, pages)
- Password/payword pages use image captcha instead of OTP
- Home page PC: full-width stretch layout
- Register captcha input type fix, invite code lock

pages/login/register.vue

@@ -47,16 +47,18 @@
 			<!-- 邀请码 -->
 			<view class="regField">
 				<text class="regLabel">{{i18n.regist.invitation}}</text>
-				<view class="regInputBox">
-					<input class="regInput" type="text" v-model="referral_code" :placeholder="i18n.regist.invitationTag" />
+				<view class="regInputBox" :style="codeFromLink?'opacity:0.6':''">
+					<input class="regInput" type="text" v-model="referral_code"
+						:disabled="codeFromLink"
+						:placeholder="i18n.regist.invitationTag" />
 				</view>
 			</view>
 
 			<!-- 验证码 -->
 			<view class="regField">
-				<text class="regLabel">{{i18n.regist.code}}</text>
+				<text class="regLabel">Verification Code</text>
 				<view class="regInputBox regInputRow">
-					<input class="regInput" type="number" v-model="code" :placeholder="i18n.regist.codeTag" />
+					<input class="regInput" type="text" v-model="code" :placeholder="i18n.regist.codeTag" />
 					<image class="regCaptchaImg" :src="captchaImg" mode="aspectFit" @click="loadCaptcha()"></image>
 					<text class="regCaptchaRefresh" @click="loadCaptcha()">↻</text>
 				</view>
@@ -93,6 +95,7 @@
 				password2: '',
 				code: '',
 				referral_code: '',
+				codeFromLink: false,
 				flag: true,
 				agreed: false,
 				theme: '',
@@ -106,9 +109,10 @@
 			}
 		},
 		onLoad(e) {
-			// 代理专属注册链接: 自动填入邀请码
+			// 代理专属注册链接: 自动填入邀请码并锁定
 			if (e && e.code) {
 				this.referral_code = e.code
+				this.codeFromLink = true  // 锁定，不允许用户修改
 			}
 			this.loadCaptcha()
 		},
@@ -263,8 +267,8 @@
 	}
 
 	.regCaptchaImg {
-		width: 200rpx;
-		height: 60rpx;
+		width: 240rpx;
+		height: 80rpx;
 		margin-left: 18rpx;
 		flex: 0 0 auto;
 		border-radius: 6rpx;