/* 春日信笺：暖粉纸张、心笺紫、非对称社区信息流与轻量纸艺动效 */
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@keyframes bloom{70%{box-shadow:0 0 0 9px rgba(34,197,94,0)}}@keyframes drift{to{transform:translateX(-50%)}}
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/* 春日信笺深化：品牌字标、信纸纹理、折角与暖色墨水 */
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