2025年9月，抖音曾对长文功能进行小范围内测，支持至少300字、上限4000字的优质图文创作活动。该功能正式上线后，字数被进一步拓宽至8000字。在首页中，这些长文以配图+文字滚动的形式出现，并伴随轻音乐的播放。用户点击文字下方的“阅读原文”，即可进入完整内容页面。
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The venue's general manager resigned on the planned opening night after the troubled opening.
14:42, 27 февраля 2026Культура
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SSIM (Structural Similarity Index Measure) compares two images by evaluating luminance, contrast, and structural patterns across local windows. It returns a score from -1 to 1: 1.0 means the images are pixel-identical, 0 means no structural correlation, and negative values mean the images are anti-correlated (less alike than random noise). For glyph comparison, it answers the question: do these two rendered characters share the same visual structure?