永字八法 / 8 Strokes
每日一练，笔尖修禅。随时随地用指尖开启你的书法修行。
Practice daily, find zen in every stroke. Start your calligraphy journey anytime, anywhere with just your fingertip.
🚀 现已支持 iPad · iPhone 版本、更多字帖与更多平台兼容即将到来
Now on iPad · iPhone, more copybooks & broader device support coming soon
极速手感与智能反馈 / Fluid Touch & Smart Feedback
在 iPad 屏幕上，用最简单的动作，体验极低延迟的矢量书法演算。
Experience ultra-low-latency vector calligraphy rendering on your iPad with the simplest gestures.
指尖即墨 · 实时渲染 / Real-time Ink Rendering
依托低延迟渲染引擎，无缝捕捉压感与轨迹，完美呈现水墨晕染与笔锋顿挫。
Powered by a low-latency rendering engine that captures pressure and trajectory to produce authentic ink wash effects and brush dynamics.端侧智能评测打分 / On-Device Smart Scoring
规则与 ML 引擎多维度精准考量笔顺、结构与平滑度，给出即时、细致的书写评分反馈。
A hybrid rule-based and ML engine evaluates stroke order, structure, and smoothness to provide instant, detailed scoring feedback.核心特色 / Core Features
指尖即墨 / Fingertip Ink
无需纸墨，指尖即笔。屏幕上会呈现如宣纸般晕染浸润的优美笔迹，完美还原汉字横折撇捺的骨骼与神韵。
No ink or paper needed — draw naturally with your finger or stylus. The screen renders beautiful ink strokes that mimic the diffusion of brush on rice paper, faithfully reproducing the structure and spirit of each character.每日一练 / Daily Habit
每天一分钟的静心练习，经典的“永”字八笔成型。在忙碌的日常中寻得片刻宁静，磨练专注力与写字法度。
One minute a day of mindful practice with the legendary "Yong" (永) character — the one character whose eight strokes encompass every fundamental brush technique. Find a moment of calm in your busy day and sharpen your focus.智能评分 / On-Device Grading
应用内置智能评分引擎，从笔顺、间架平衡度、笔画平滑度等多个维度为您实时打分，您的每一次进步都清晰可见。
Built-in smart scoring engine rates your writing in real time across multiple dimensions — stroke order, structural balance, and smoothness — so every improvement is visible at a glance.雅致分享 / Elegant Sharing
对自己的高分作品感到骄傲？一键生成古典、精美的书法打分卡片，轻松分享到朋友圈或以笔会友。
Proud of a high score? Generate an elegant, minimalist scorecard in one tap and share it with friends — challenge each other and bond through the art of calligraphy.祝福卡片 · 同框分享 / Blessing Cards & Shareable Moments
把一笔一画的心意，写进一张可分享的祝福卡。挥毫落墨，随手相赠。
Turn every stroke into a heartfelt blessing card you can share. Write elegantly and gift effortlessly.
🧧 祝福卡片 / Blessing Card
挥毫写下祝福，一键生成古典雅致的祝福卡片，把指尖的墨香送给最在意的人。
Write a blessing by hand and generate an elegant, classical card in one tap — send the scent of ink to the people who matter most.🎞️ 回放评分卡 / Replay Scorecard
逐笔回放你的书写过程，搭配多维度评分卡，随时复盘每一次落笔与进步。
Replay your writing stroke by stroke alongside a multi-dimensional scorecard — review every stroke and watch yourself improve.✉️ 技术支持 / Support
使用中有任何疑问、Bug 或功能建议，欢迎来信，我们通常 24 小时内回复。Questions, bugs, or feature ideas while using 8 Strokes? Email us — we usually reply within 24 hours.
隐私政策 / Privacy Policy
最后更新日期：2026年5月29日 · Last updated: May 29, 2026
1. 个人数据收集说明 / No Personal Data Collection
永字八法 (8 Strokes) 极其尊重您的个人隐私。我们不会收集、存储、分享或上传您的任何个人信息、手写笔迹数据、打分结果或设备标识符。
We do not collect, store, share, or upload any of your personal information, drawing strokes, scorecards, or device identifiers.
2. 端侧处理保证 / 100% On-Device Processing
应用内所有的轨迹演算、图形网格生成以及智能评分等级计算，均完全在您的本地设备上进行（On-Device Processing）。评分模型（包括规则引擎与 CoreML 技术）全部离线运行，无需联网，保证您的书写修行绝对私密安全。
All calculations, brush tessellation, and stroke evaluation are computed entirely offline and locally on your device.
3. 第三方SDK与广告 / No Third-party SDKs or Ads
本应用不包含任何第三方广告 SDK 或数据分析追踪工具，我们致力于为您提供纯净无干扰的书写修身空间。
The application does not integrate any advertising SDKs or tracking tools.
4. 隐私政策的更新 / Updates
我们可能会不时更新本隐私政策。若有任何重大更改，我们将通过应用内公告或此网页及时告知您。
We may update this privacy policy from time to time. Any material changes will be communicated via in-app announcements or on this page.
5. 联系我们 / Contact Us
如果您对我们的隐私政策有任何问题，欢迎随时发信联络我们：victor@goldenarc.digital。
If you have any questions about our privacy policy, feel free to contact us at victor@goldenarc.digital.