Summary: Seko adds multi-episode video creation.

Why It Matters: This change lets users make longer video stories.

What Changed:

• Removed navigation links for "首页", "我的空间", "主体库", and "数字人视频 NEW".
• Removed "加入官方群 获取官方客服支持与资讯".
• Removed "今天有什么新的想法？", "剧本创作", "旁白成片".
• Changed "输入你的灵感，AI会帮你自动生成剧本" to "输入你的灵感，AI会自动为你策划内容生成视频".
• Removed example story ideas like "女娲后人与修道者三生三世爱而不得的故事".
• Added a pop-up announcement for "Seko2.0多剧集模式来啦 🎉".
• The new mode allows creating multi-episode short dramas.
• It supports script import and splits episodes and scenes.
• It keeps character and scene styles consistent across episodes.
• It adds character/scene editing features.