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@@ -120,7 +120,7 @@ class BaseConst
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* 自定义尺寸约束（4k 档按此校准，长边尽量逼近 4k）：
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* 1. 宽、高均须为 16 的倍数；
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* 2. 长边与短边比例介于 1:3 ~ 3:1；
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- * 3. 长边必须小于 3840，故 16 倍数中可取的最大长边为 3824；
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+ * 3. 长边不超过 3840（等于 3840 可用）；
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* 4. 总像素数介于 655,360 ~ 8,294,400。
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*/
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const IMAGE_RESOLUTION_SIZE_MAP = [
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@@ -149,18 +149,18 @@ class BaseConst
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'1:2' => ['width' => 1536, 'height' => 3072],
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],
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'4k' => [
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- // 4k ≈ 829 万像素上限，长边取小于 3840 的最大 16 倍数 3824
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+ // 4k 受 829 万像素上限约束：长边能到 3840 的取 3840，够不到的取该比例下的最大可行值
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'1:1' => ['width' => 2880, 'height' => 2880],
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'3:4' => ['width' => 2480, 'height' => 3328],
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'4:3' => ['width' => 3328, 'height' => 2480],
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- '16:9' => ['width' => 3824, 'height' => 2144],
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- '9:16' => ['width' => 2144, 'height' => 3824],
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+ '16:9' => ['width' => 3840, 'height' => 2160],
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+ '9:16' => ['width' => 2160, 'height' => 3840],
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'2:3' => ['width' => 2336, 'height' => 3536],
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'3:2' => ['width' => 3536, 'height' => 2336],
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- // 21:9 长边已取 3824；短边取 1648 可保持总像素 ≥ 6MP，计费仍归入 4k 档
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- '21:9' => ['width' => 3824, 'height' => 1648],
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- '2:1' => ['width' => 3824, 'height' => 1920],
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- '1:2' => ['width' => 1920, 'height' => 3824],
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+ // 21:9 长边取 3840，短边 1648 使总像素 ≥ 6MP，计费仍归入 4k 档
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+ '21:9' => ['width' => 3840, 'height' => 1648],
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+ '2:1' => ['width' => 3840, 'height' => 1920],
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+ '1:2' => ['width' => 1920, 'height' => 3840],
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],
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];
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lh