fix(frontend): 移动端发布页常玩地区改为固定宫格选择

frontend/src/features/seller/SellerListingFormPage.tsx

@@ -200,6 +200,84 @@ function ChoiceField(props: {
   )
 }
 
+/**
+ * 移动端「常玩地区」选择器：固定宫格常驻页面，点选即切换，不渲染输入框。
+ * iOS 上输入型下拉会立刻唤起键盘，把候选列表顶到键盘下面，故移动端改用宫格。
+ */
+function MobileRegionPicker(props: {
+  value: string[]
+  options: string[]
+  onChange: (value: string[]) => void
+}) {
+  const { value, options, onChange } = props
+  // 连续快速点选时 React 可能还未重渲染，用 ref 累积最新值，避免后一次点击覆盖前一次。
+  const valueRef = useRef(value)
+  valueRef.current = value
+  const selected = new Set(valueRef.current)
+  const customValues = valueRef.current.filter(region => !options.includes(region))
+
+  function toggle(region: string) {
+    const current = valueRef.current
+    const next = current.includes(region)
+      ? current.filter(item => item !== region)
+      : [...current, region]
+    valueRef.current = next
+    onChange(next)
+  }
+
+  return (
+    <div className="seller-region-picker">
+      <div className="seller-region-picker__meta">
+        <span>已选 {value.length} 个地区</span>
+        {value.length > 0 ? (
+          <button
+            type="button"
+            className="seller-region-picker__clear"
+            onClick={() => {
+              valueRef.current = []
+              onChange([])
+            }}
+          >
+            清空
+          </button>
+        ) : null}
+      </div>
+      <div className="seller-region-grid" role="group" aria-label="常玩地区">
+        {options.map(region => {
+          const active = selected.has(region)
+          return (
+            <button
+              key={region}
+              type="button"
+              aria-pressed={active}
+              className={`seller-region-chip${active ? ' is-active' : ''}`}
+              onClick={() => toggle(region)}
+            >
+              {region}
+            </button>
+          )
+        })}
+      </div>
+      {customValues.length > 0 ? (
+        <div className="seller-region-custom">
+          <span>自定义</span>
+          {customValues.map(region => (
+            <button
+              key={region}
+              type="button"
+              aria-pressed={true}
+              className="seller-region-chip seller-region-chip--custom"
+              onClick={() => toggle(region)}
+            >
+              {region} ×
+            </button>
+          ))}
+        </div>
+      ) : null}
+    </div>
+  )
+}
+
 const PUBLISH_DRAFT_KEY_PREFIX = 'jieyou:seller:publish-draft:v1'
 
 interface StoredPublishDraft extends PublishDraft {
@@ -1276,17 +1354,25 @@ export function SellerListingFormPage({ mobile = false }: { mobile?: boolean } =
                   onChange={value => updateForm('next_season_pass', value)}
                 />
               ) : null}
-              <label className="seller-field seller-field--wide">
+              <div className="seller-field seller-field--wide">
                 <span className="seller-field__label">常玩地区</span>
-                <Select
-                  mode="tags"
-                  value={form.common_regions}
-                  placeholder="选择或输入常用登录地区"
-                  options={options.region_options.map(item => ({ value: item, label: item }))}
-                  onChange={value => updateForm('common_regions', value)}
-                  tokenSeparators={[',', '，']}
-                />
-              </label>
+                {mobile && options.region_options.length > 0 ? (
+                  <MobileRegionPicker
+                    value={form.common_regions}
+                    options={options.region_options}
+                    onChange={value => updateForm('common_regions', value)}
+                  />
+                ) : (
+                  <Select
+                    mode="tags"
+                    value={form.common_regions}
+                    placeholder="选择或输入常用登录地区"
+                    options={options.region_options.map(item => ({ value: item, label: item }))}
+                    onChange={value => updateForm('common_regions', value)}
+                    tokenSeparators={[',', '，']}
+                  />
+                )}
+              </div>
             </div>
           </Card>
 

frontend/src/styles/mobile-seller.css

@@ -181,3 +181,76 @@
 .mobile-seller-host .seller-summary {
   position: static;
 }
+
+/* 移动端：常玩地区固定宫格（避免输入框唤起键盘把下拉顶到键盘后面） */
+.mobile-seller-host .seller-region-picker {
+  display: grid;
+  gap: 10px;
+}
+
+.mobile-seller-host .seller-region-picker__meta {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  color: var(--ink-muted);
+  font-size: 12px;
+}
+
+.mobile-seller-host .seller-region-picker__clear {
+  padding: 0;
+  border: 0;
+  background: none;
+  color: var(--brand-seal);
+  font: inherit;
+  cursor: pointer;
+}
+
+.mobile-seller-host .seller-region-grid {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 8px;
+}
+
+.mobile-seller-host .seller-region-chip {
+  min-height: 38px;
+  padding: 6px 4px;
+  border: 1px solid var(--line);
+  border-radius: 8px;
+  background: #fff;
+  color: var(--ink-secondary);
+  font: inherit;
+  font-size: 13px;
+  line-height: 1.3;
+  cursor: pointer;
+  transition:
+    color 0.15s ease,
+    border-color 0.15s ease,
+    background 0.15s ease;
+}
+
+.mobile-seller-host .seller-region-chip.is-active {
+  border-color: var(--brand-ink);
+  background: var(--brand-ink);
+  color: #fff;
+  font-weight: 600;
+}
+
+.mobile-seller-host .seller-region-chip--custom {
+  min-height: 30px;
+  padding: 4px 10px;
+  border-style: dashed;
+  border-color: var(--brand-ink);
+  background: transparent;
+  color: var(--brand-ink);
+  font-size: 12px;
+}
+
+.mobile-seller-host .seller-region-custom {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 6px;
+  color: var(--ink-muted);
+  font-size: 12px;
+}