- 谁能做什么。游客也能写漂流瓶，但信只会存在你自己的浏览器里，注册激活后才会真正漂出去。登录后可以投瓶、读别人的瓶子，也可以免费投票、押未来、封时间瓶。回信和让 AI 回答你，需要是付费学生。
- 写信的人可以说真话，回信的人必须守底线。丢瓶子的人可以把最难听、最乱的心事倒出来。回信的人不一样：要冷静、讲理，不能跟着骂，更不能鼓励自伤或犯罪。回信会先经过 AI 审查，不合格要改，改好才寄出。
- 隐私会被自动遮住，但你自己也别写。微信、QQ、手机号、真实姓名、邮箱会被换成 ***。也别写学校、住址或任何能找到你的线索。
- 不约见，不加好友。匿名笔友就停在河滩上。有人想把你拉到别的软件、要照片、约见面，不要答应，告诉身边可信的大人。
- 危险的话会先拿到求助信息。如果瓶子或回信里写到想伤害自己，页面会先给出求助热线（12356、400-161-9995），再显示其他内容。漂流瓶不是急救，危险时请先找身边的大人。
- 赌未来不赌钱。押的只是「会 / 不会」，结果由真人对照现实公布，不会被 AI 判错。
/- Who can do what. Guests can write a bottle, but it stays in their own browser until they register and activate; then it really floats away. Signed-in users can throw bottles, read other bottles, and vote, bet on the future and seal time bottles for free. Replying to letters, and getting the AI to answer you, is for paying students.
- Senders may be raw; repliers must hold the line. Whoever throws a bottle can pour out the ugliest, messiest feelings. Replies are different: calm and reasonable, no insults back, and never encouraging self-harm or crime. Every reply passes an AI review first and must be revised until it passes.
- Private details are masked, but do not write them. WeChat, QQ, phone numbers, real names and emails become ***. Leave out your school, address or anything that leads to you.
- No meetups, no friend requests. Anonymous pen friends stay on the beach. If someone wants to move you to another app, asks for photos or wants to meet, say no and tell a trusted adult.
- Dangerous words get help first. If a bottle or reply talks about self-harm, the page first shows help lines (12356, 400-161-9995). Bottles are not emergency help; in danger, go to an adult near you first.
- Betting on the future is not betting money. You stake only “will / will not”; a person posts the result against reality, and the AI never marks you wrong.
费用和报名方式见收费页。 / Fees and how to join are on the fee page.
河滩在村前河对岸，沙子软，适合慢慢走、发呆。这里有两件事：一件是漂流瓶，把不敢跟身边人说的话匿名写下来，丢进河里；另一件是围绕科技新闻的吵架台和赌未来。每天的科技文章本身搬到了单独的一页「未来科技」。
河滩上的几个频道：
- 漂流瓶：写信、收件、看最受关注的来信。信是匿名的，隐私信息会被自动换成 ***。
- 吵架台：两个河滩角色围绕当天的科技新闻故意唱反调，一个往前冲，一个先问代价。你看完站一边，每天投一票。
- 赌未来：对一个有明确揭晓日期的问题押「会」或「不会」。到了日子，由真人对照现实给出结果和理由，不由 AI 猜。
- 时间瓶：写一封给未来自己的信，选 1 个月、6 个月、1 年或 3 年后打开。
- 河滩篝火：边上的闲聊角，短句就行。
- 谱系自检与讨论：想先安静对照一下自己有没有谱系常见的情况，可以做个自检，再和白熊聊聊。
每次来河滩是一小时。到时间后页面会告诉你今天的课堂结束了；「未来科技」那一页的当天文章仍然可以读。
/The beach lies across the river from the village. The sand is soft, good for slow walks and staring into space. Two things happen here: floating bottles, where you write what you cannot say to people around you, anonymously, and drop it in the river; and the arena and bets on the future built around tech news. The daily technology article itself now has its own page, Future Technology.
The channels on the beach:
- Bottles: write, check your inbox, read the most-read letters. Letters are anonymous and private details are automatically replaced with ***.
- Arena: two beach characters deliberately disagree about the day’s tech headline, one rushing ahead, one asking what it costs. Pick a side; one vote a day.
- Bet on the future: stake “will” or “will not” on a question with a real reveal date. On that day a person checks reality and posts the verdict with a reason; no AI guessing.
- Time bottle: a letter to your future self, opened after 1 month, 6 months, 1 year or 3 years.
- Campfire: a small chat corner; short lines are fine.
- Spectrum self-check: a quiet check for common spectrum patterns, then a talk with Bai Xiong if you want.
Each visit to the beach lasts one hour. When it ends the page tells you class is over for today; the day’s article on the Future Technology page stays readable.
例子一：丢一个漂流瓶
你登录后进入「写信」，写下：
我在班上没有一个朋友。每天中午一个人吃饭，假装在看手机。我同桌叫李明，他从来不跟我说话。
提交后，信被 AI 检查一遍，「李明」这样的真实姓名会被换成 ***。瓶子漂出去。过几天，一个付费同学捡到它，写了一封回信；回信先被 AI 要求改掉一句说教的话，改好才寄出。回信出现在你的「收件」里，你可以回，也可以默默收下。
例子二：在吵架台投一票
今天的科技文章讲某种新电池。吵架台上，一个角色说「马上全面换掉」，另一个问「旧电池谁来回收？成本谁出？」你读完觉得第二个更有道理，投给他。今天你就只有这一票。
例子三：封一个时间瓶
你写「一年后的我：还在害怕上学吗？」，选「1 年」，封好。到期后的 30 天里，你打开河滩时「时间瓶」按钮会亮起提示；过了这段时间，信也一直在「时间瓶」列表里等你。
/Example 1: throwing a bottle
Signed in, you open Write and type:
I do not have a single friend in my class. I eat lunch alone every day and pretend to look at my phone. My desk mate Li Ming never talks to me.
After you submit, the AI checks it and a real name like “Li Ming” becomes ***. The bottle floats off. Days later a paying student picks it up and writes back; the AI first makes them cut a preachy line, and only then is the reply sent. It appears in your Inbox. You can answer, or just keep it.
Example 2: voting in the arena
Today’s tech article is about a new kind of battery. In the arena one character says “switch everything now”, the other asks “who recycles the old ones, and who pays?” You find the second more convincing and vote for it. That is your one vote today.
Example 3: sealing a time bottle
You write “Me in one year: still scared of school?”, choose 1 year, and seal it. For 30 days after it opens, the Time bottle button lights up when you visit the beach; after that the letter waits quietly in the Time bottle list.
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