fix: 存款页面链类型过滤 + 卡顿修复

1. BTC选择时不显示ERC-20/TRC-20链选择器
2. ETH选择时过滤掉TRC-20,只保留ERC-20
3. USDT保留全部链选项
4. 静态币种(btc_static/eth_static)不调API,构造占位数据防卡顿
5. "Select Coin"改为i18n国际化
6. 银行卡存款按钮间距修复

pages/index/recharge.vue

@@ -49,7 +49,7 @@
 					<!-- 币种选择 -->
 					<view v-if="current==1" class="width-100b radiu-20 padding-w-32 padding-b-20 margin-t-20"
 						:style="'background-color: '+theme.fu_bg+';color: '+theme.text">
-						<view class="height-90 padding-t-27 font-28 weight-bold">Select Coin</view>
+						<view class="height-90 padding-t-27 font-28 weight-bold">{{i18n.recharge.text1}}</view>
 						<view class="flex align-center flex-wrap">
 							<view @click="changeCoinType(item)" v-for="(item,index) in coinTypes" :key="item.id"
 								:class="currid==item.id?'onbox':'offbox'" class="numbold-font margin-r-14">{{item.name}}
@@ -57,13 +57,13 @@
 						</view>
 					</view>
 
-					<!-- 链类型 -->
-					<view v-if="current==1" class="width-100b radiu-20 padding-w-32 padding-b-20 margin-t-20"
+					<!-- 链类型：BTC 时不显示链选择器，其他币种显示过滤后的链列表 -->
+					<view v-if="current==1 && filteredDetail.length > 1" class="width-100b radiu-20 padding-w-32 padding-b-20 margin-t-20"
 						:style="'background-color: '+theme.fu_bg+';color: '+theme.text">
 						<view class="height-90 padding-t-27 font-28 weight-bold">{{i18n.recharge.text2}}
 						</view>
 						<view class="flex align-center flex-wrap">
-							<view @click="changelian(item,index)" v-for="(item,index) in detail"
+							<view @click="changelian(item,index)" v-for="(item,index) in filteredDetail"
 								:class="index==lian?'onbox':'offbox'" class="numbold-font margin-r-14">{{item.lian}}
 							</view>
 						</view>
@@ -152,7 +152,7 @@
 					<view class="width-600 margin-0-auto margin-t-30">
 						<u-button v-if="current==1" @click="chongzhi" class="custom-style" type="primary" style="background-color: #3ECEB2;">{{i18n.appeal.text1}}
 						</u-button>
-						<u-button v-if="current==2" @click="yinhangka()" class="custom-style" type="primary" style="background-color: #3ECEB2; margin-top: 300rpx;">{{i18n.appeal.text1}}
+						<u-button v-if="current==2" @click="yinhangka()" class="custom-style" type="primary" style="background-color: #3ECEB2; margin-top: 30rpx;">{{i18n.appeal.text1}}
 						</u-button>
 					</view>
 				</view>
@@ -243,6 +243,28 @@
 		computed: {
 			i18n() {
 				return this.$t('message');
+			},
+			// 根据当前选中币种过滤链列表
+			// BTC: 只保留名称含 "BTC" 的链（或空）
+			// ETH: 过滤掉 TRC-20，只保留 ERC-20
+			// USDT: 保留全部
+			filteredDetail() {
+				if (!this.detail || this.detail.length === 0) return []
+				const name = (this.curr || '').toUpperCase()
+				if (name === 'BTC') {
+					// BTC 不需要链选择，只取第一条直接显示地址
+					return this.detail.slice(0, 1)
+				}
+				if (name === 'ETH') {
+					// ETH 只保留 ERC-20，过滤掉 TRC-20
+					const erc = this.detail.filter(item => {
+						const lian = (item.lian || '').toUpperCase()
+						return !lian.includes('TRC')
+					})
+					return erc.length > 0 ? erc : this.detail.slice(0, 1)
+				}
+				// USDT 及其他：保留全部
+				return this.detail
 			}
 		},
 		onLoad(e) {
@@ -321,8 +343,17 @@
 						this.bankList = res.data.bank
 						this.detail = res.data.curr
 						this.lian = 0
-						this.image = res.data.curr[0].qrcode
-						this.zhuan_address = res.data.curr[0].address
+						// 根据当前币种过滤后取第一条链的地址显示
+						const name = (this.curr || '').toUpperCase()
+						let firstChain = res.data.curr[0]
+						if (name === 'ETH' && res.data.curr.length > 0) {
+							const erc = res.data.curr.filter(item => {
+								return !(item.lian || '').toUpperCase().includes('TRC')
+							})
+							if (erc.length > 0) firstChain = erc[0]
+						}
+						this.image = firstChain ? firstChain.qrcode : ''
+						this.zhuan_address = firstChain ? firstChain.address : ''
 					}
 				})
 			},
@@ -354,6 +385,21 @@
 				this.currid = item.id
 				this.voucher_image = ''
 				this.voucher_image_up = ''
+				this.lian = 0
+				// 静态条目（btc_static / eth_static）没有真实 API id
+				// 不调用 getdetails，改为构造占位链数据
+				if (item.id === 'btc_static') {
+					this.detail = [{ lian: 'BTC', qrcode: '', address: '' }]
+					this.image = ''
+					this.zhuan_address = ''
+					return
+				}
+				if (item.id === 'eth_static') {
+					this.detail = [{ lian: 'ERC-20', qrcode: '', address: '' }]
+					this.image = ''
+					this.zhuan_address = ''
+					return
+				}
 				this.getdetails(this.currid)
 			},
 			changecurr(item) {