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前端源码/uni-app/components/MysticSelect.vue
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270
前端源码/uni-app/components/MysticSelect.vue
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<template>
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<transition name="mystic-select">
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<view v-if="isOpen" class="mystic-select-overlay">
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<!-- Backdrop -->
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<view class="mystic-select-backdrop" @click="handleClose"></view>
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<!-- Modal Content -->
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<view class="mystic-select-modal">
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<!-- Header -->
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<view class="mystic-select-header">
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<view class="mystic-select-close" @click="handleClose">
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<CloseIcon class="mystic-select-icon" />
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</view>
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<text class="mystic-select-title">{{ title }}</text>
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<view class="mystic-select-confirm" @click="handleConfirm">
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<CheckIcon class="mystic-select-icon" />
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</view>
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</view>
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<!-- H5 友好：用可滚动列表保证能下滑、能点击选中 -->
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<scroll-view
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scroll-y
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class="mystic-select-view"
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:scroll-into-view="`opt-${selectedIndex}`"
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>
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<view
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v-for="(item, idx) in options"
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:key="item.value"
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:id="`opt-${idx}`"
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class="mystic-select-item"
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:class="{ 'mystic-select-item-active': idx === selectedIndex }"
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@click="selectOption(idx)"
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>
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<view class="mystic-select-item-main">
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<text class="mystic-select-item-label">{{ item.label }}</text>
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<text v-if="item.desc" class="mystic-select-item-desc">{{ item.desc }}</text>
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</view>
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<view v-if="idx === selectedIndex" class="mystic-select-check">
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<CheckIcon class="mystic-select-check-icon" />
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</view>
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</view>
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</scroll-view>
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<!-- Footer Tip -->
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<view v-if="tip" class="mystic-select-footer">
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<text class="mystic-select-tip">{{ tip }}</text>
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</view>
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</view>
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</view>
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</transition>
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</template>
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<script setup lang="ts">
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import { ref, watch } from 'vue';
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import CloseIcon from './icons/CloseIcon.vue';
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import CheckIcon from './icons/CheckIcon.vue';
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export interface SelectOption {
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value: string;
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label: string;
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desc?: string;
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}
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interface Props {
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isOpen: boolean;
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title?: string;
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tip?: string;
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options: SelectOption[];
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defaultValue?: string;
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}
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const props = withDefaults(defineProps<Props>(), {
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title: '请选择',
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tip: '',
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defaultValue: ''
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});
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const emit = defineEmits<{
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close: [];
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confirm: [option: SelectOption];
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}>();
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const selectedIndex = ref(0);
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// 当打开时设置默认值
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watch(() => props.isOpen, (newVal: boolean) => {
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if (newVal) {
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// 延迟设置，确保列表渲染完成
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setTimeout(() => {
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const idx = props.options.findIndex((o: SelectOption) => o.value === props.defaultValue);
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selectedIndex.value = idx >= 0 ? idx : 0;
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}, 50);
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}
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}, { immediate: true });
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const handleClose = () => {
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emit('close');
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};
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const handleConfirm = () => {
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const selectedOption = props.options[selectedIndex.value];
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emit('confirm', selectedOption);
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handleClose();
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};
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const selectOption = (idx: number) => {
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selectedIndex.value = idx;
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};
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</script>
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<style scoped>
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.mystic-select-overlay {
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position: fixed;
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inset: 0;
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z-index: 999;
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display: flex;
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align-items: flex-end;
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justify-content: center;
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}
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.mystic-select-backdrop {
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position: absolute;
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inset: 0;
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background: rgba(26, 26, 26, 0.6);
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backdrop-filter: blur(8rpx);
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z-index: 1;
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}
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.mystic-select-modal {
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position: relative;
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z-index: 2;
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width: 100%;
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background: #fcfaf5;
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border-top-left-radius: 32rpx;
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border-top-right-radius: 32rpx;
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overflow: hidden;
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box-shadow: 0 -16rpx 64rpx rgba(0, 0, 0, 0.25);
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border-top: 8rpx solid #8b2323;
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}
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.mystic-select-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 32rpx 40rpx;
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border-bottom: 2rpx solid #eaddcf;
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background: #f9f7f2;
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}
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.mystic-select-close,
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.mystic-select-confirm {
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padding: 16rpx;
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color: #5a5a5a;
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cursor: pointer;
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transition: opacity 0.3s;
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}
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.mystic-select-close:active,
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.mystic-select-confirm:active {
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opacity: 0.6;
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}
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.mystic-select-confirm {
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color: #8b2323;
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}
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.mystic-select-icon {
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width: 44rpx;
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height: 44rpx;
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display: block;
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}
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.mystic-select-title {
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font-size: 36rpx;
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font-weight: bold;
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color: #2c2c2c;
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letter-spacing: 0.3em;
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font-family: SimSun, "Songti SC", serif;
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}
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.mystic-select-view {
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height: 480rpx;
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width: 100%;
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}
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.mystic-select-item {
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height: 100rpx;
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width: 100%;
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display: flex;
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align-items: center;
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justify-content: space-between;
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font-family: SimSun, "Songti SC", serif;
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padding: 0 32rpx;
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box-sizing: border-box;
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transition: background-color 0.2s ease, border-color 0.2s ease;
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border-bottom: 1rpx solid rgba(234, 221, 207, 0.7);
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cursor: pointer;
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}
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.mystic-select-item-main {
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display: flex;
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flex-direction: column;
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align-items: flex-start;
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gap: 4rpx;
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min-width: 0;
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}
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.mystic-select-item-active {
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background: rgba(139, 35, 35, 0.06);
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border-bottom-color: rgba(139, 35, 35, 0.25);
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}
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.mystic-select-item-label {
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font-size: 32rpx;
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font-weight: bold;
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color: #2c2c2c;
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}
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.mystic-select-item-desc {
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font-size: 20rpx;
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color: #8a8a8a;
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}
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.mystic-select-check {
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width: 56rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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flex-shrink: 0;
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}
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.mystic-select-check-icon {
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width: 36rpx;
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height: 36rpx;
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}
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.mystic-select-footer {
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background: #f9f7f2;
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padding: 24rpx;
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text-align: center;
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border-top: 2rpx solid #eaddcf;
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}
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.mystic-select-tip {
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font-size: 22rpx;
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color: #8a8a8a;
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letter-spacing: 0.1em;
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}
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/* Transition */
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.mystic-select-enter-active,
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.mystic-select-leave-active {
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transition: opacity 0.3s;
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}
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.mystic-select-enter-active .mystic-select-modal,
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.mystic-select-leave-active .mystic-select-modal {
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transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
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}
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.mystic-select-enter-from,
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.mystic-select-leave-to {
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opacity: 0;
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}
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.mystic-select-enter-from .mystic-select-modal,
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.mystic-select-leave-to .mystic-select-modal {
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transform: translateY(100%);
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}
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</style>
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