docs(logo): 新增 logo v5.1 正式资产、使用规范与构建脚本
- 白文印「标」（AI 生成原图经脚本抠图、统一为 #D9291C、矢量化） - 字标：思源宋体 SemiBold + Libre Caslon；比例 H2，英文视觉内缩 C2 - svg/、png/、favicon：横版、竖版、反白、单色、印章、各尺寸图标 - scripts/：logo_lib.py 统一排版参数，build_assets.sh 一键生成 - logo-spec.md、logo-sheet.html、字体许可证（OFL） Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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YANG JIANKUAN
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docs/design/logo/scripts/wordmark_compare.py
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docs/design/logo/scripts/wordmark_compare.py
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"""生成字标字体对比与印章高度对比（docs/design/logo/compare/）。
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用法：.work/venv/bin/python scripts/wordmark_compare.py
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字体文件在 .work/fonts/（不进 git），许可证见 compare/index.html 与 logo-spec.md。
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"""
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import sys
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parent))
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from logo_lib import CN_H, GAP, LOGO, NAVY, PY_CAP, WHITE, lockup, wordmark # noqa: E402
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OUT = LOGO / "compare"
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OUT.mkdir(exist_ok=True)
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# (编号, 中文字体, 中文字重, 中文字距(em), 拼音字体, 拼音字重, 名称, 许可证, 说明)
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PAIRS = [
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("F1", "NotoSerifSC[wght].ttf", 900, 0.00, "Cinzel[wght].ttf", 600, "思源宋体 Black + Cinzel", "OFL", "现用。最粗的宋体，庄重、有分量"),
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("F2", "NotoSerifSC[wght].ttf", 600, 0.04, "CormorantGaramond[wght].ttf", 600, "思源宋体 SemiBold + Cormorant Garamond", "OFL", "同一家族的细一档，更清秀，和印章的轻重对比更明显"),
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("F3", "ZhuqueFangsong.ttf", None, 0.06, "CormorantSC-SemiBold.ttf", None, "朱雀仿宋 + Cormorant SC", "OFL", "仿宋，招标文件和公文的正文字体，文书感最强"),
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("F4", "HuiwenMincho.ttf", None, 0.04, "LibreCaslonText[wght].ttf", 700, "汇文明朝体 + Libre Caslon", "授权需复核", "老铅字印刷的宋体，带油墨感，和印章最搭；授权说明不规范"),
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("F5", "LXGWWenKai-Medium.ttf", None, 0.06, "EBGaramond[wght].ttf", 600, "霞鹜文楷 + EB Garamond", "OFL", "楷书，书卷气，亲切但不够硬朗"),
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("F6", "ZCOOLXiaoWei-Regular.ttf", None, 0.04, "MarcellusSC-Regular.ttf", None, "站酷小薇 LOGO 体 + Marcellus SC", "OFL", "为标志设计的宋体，笔画更有个性；但「标」的木字旁写成带钩的连笔，容易被看成「扌」，不建议"),
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("F7", "NotoSansSC[wght].ttf", 900, 0.02, "Montserrat[wght].ttf", 600, "思源黑体 Black + Montserrat", "OFL", "黑体，现代、稳重，和传统印章形成反差"),
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("F8", "SmileySans-Oblique.ttf", None, 0.02, "SmileySans-Oblique.ttf", None, "得意黑（中英同一字体）", "OFL", "带倾斜的现代黑体，年轻、有速度感"),
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]
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# 1. 印章高度对比（字体 F1）
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body, w, h = wordmark(PAIRS[0], NAVY)
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cn_h = CN_H
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variants = [
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("H0", "现状：96%，上下没对齐", lockup(body, w, h, h * 0.961, (h - h * 0.961) / 2 + 0.6)),
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("H1", "等高对齐：印章上下边对齐中文顶端和拼音底部", lockup(body, w, h, h, 0)),
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("H2", "等高 + 光学补偿 2%：抵消印章颗粒边缘显虚", lockup(body, w, h, h * 1.02, -h * 0.01)),
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("H3", "放大到 115%：图形主导", lockup(body, w, h, h * 1.15, -h * 0.075)),
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("H4", "书法落款式：印章只与中文同高", lockup(body, w, h, cn_h, 0)),
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]
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for vid, _, svg in variants:
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(OUT / f"height-{vid}.svg").write_text(svg)
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# 2. 字体对比（统一用 H2）
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for p in PAIRS:
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for color, dark, suffix in ((NAVY, False, ""), (WHITE, True, "-reverse")):
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body, w, h = wordmark(p, color)
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(OUT / f"font-{p[0]}{suffix}.svg").write_text(lockup(body, w, h, h * 1.02, -h * 0.01, on_dark=dark))
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# 3. 对比页
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rows_h = "".join(f'<figure class="tile"><img src="height-{vid}.svg" alt="{t}"><figcaption><b>{vid}</b> {t}</figcaption></figure>'
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for vid, t, _ in variants)
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rows_f = "".join(
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f'<section class="font"><h3>{p[0]} · {p[6]}</h3><p>{p[8]}<span class="lic{" warn" if p[7] != "OFL" else ""}">{p[7]}</span></p>'
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f'<div class="pair"><div class="tile"><img src="font-{p[0]}.svg" alt="{p[6]} 浅色底"></div>'
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f'<div class="tile dark"><img src="font-{p[0]}-reverse.svg" alt="{p[6]} 深色底"></div></div>'
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f'<div class="small"><img src="font-{p[0]}.svg" width="200" alt=""><img src="font-{p[0]}.svg" width="120" alt=""></div></section>'
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for p in PAIRS)
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html = f"""<!doctype html><html lang="zh-CN"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1">
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<title>字标与比例对比</title><style>
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:root{{--ink:#1D2733;--sub:#5C6670;--line:#D9DDD8}}
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*{{box-sizing:border-box}}body{{margin:0;background:#F5F6F3;color:var(--ink);font:15px/1.7 "PingFang SC","Microsoft YaHei",system-ui,sans-serif}}
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main{{max-width:1120px;margin:0 auto;padding:40px 24px 80px}}h1{{font-size:26px;margin:0 0 4px}}h2{{font-size:19px;margin:44px 0 6px}}h3{{font-size:16px;margin:0}}
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p.note{{color:var(--sub);margin:0 0 18px;max-width:48em}}
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.grid{{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}}
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.tile{{background:#fff;border:1px solid var(--line);padding:28px;margin:0}}.tile.dark{{background:#1D2733;border-color:#1D2733}}
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.tile img{{display:block;width:100%;height:auto}}figcaption{{font-size:13px;color:var(--sub);margin-top:12px}}
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.font{{background:#fff;border:1px solid var(--line);padding:20px;margin:0 0 16px}}.font p{{margin:2px 0 12px;color:var(--sub);font-size:14px}}
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.pair{{display:grid;grid-template-columns:1fr 1fr;gap:12px}}.pair .tile{{padding:20px}}
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.small{{display:flex;gap:24px;align-items:center;margin-top:12px}}
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.lic{{display:inline-block;margin-left:8px;font-size:12px;padding:0 6px;border:1px solid #2E6B4F;color:#2E6B4F;border-radius:2px}}.lic.warn{{border-color:#A66300;color:#A66300}}
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@media (max-width:700px){{.pair{{grid-template-columns:1fr}}}}
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</style></head><body><main>
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<h1>字标与比例对比</h1><p class="note">两个问题：一、印章和右边文字的高度关系；二、字标字体。所有版本都用同一枚印章，文字已转成路径。</p>
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<h2>一、印章高度</h2><p class="note">字体统一用 F1。H0 是现在的版本，H2 是建议的版本。</p>
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<div class="grid">{rows_h}</div>
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<h2>二、字标字体</h2><p class="note">比例统一用 H2。每组下面一行是 200px 和 120px 宽度的实际效果。</p>
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{rows_f}
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</main></body></html>"""
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(OUT / "index.html").write_text(html)
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print("ok", len(PAIRS), "fonts,", len(variants), "height variants")
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# 4. 英文字体对比：中文固定为 F2（思源宋体 SemiBold），比例 H2
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# (编号, 英文字体, 字重, 名称, 对应的经典字体 / 类型, 说明)
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EN_OPTIONS = [
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("E0", "CormorantGaramond[wght].ttf", 600, "Cormorant Garamond", "Garamond 类 · 古典衬线", "现选（F2）。纤细优雅，笔画对比高"),
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("E1", "Cinzel[wght].ttf", 500, "Cinzel", "Trajan 类 · 罗马碑刻大写", "庄重、权威，金融和教育机构常用的气质"),
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("E2", "MarcellusSC-Regular.ttf", None, "Marcellus SC", "Optima / Albertus 类 · 半衬线", "笔画末端微微张开，介于衬线和无衬线之间，和宋体很合拍"),
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("E3", "TenorSans-Regular.ttf", None, "Tenor Sans", "Optima 类 · 人文无衬线", "无衬线但有书法韵味，现代而不冷"),
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("E4", "EBGaramond[wght].ttf", 600, "EB Garamond", "Garamond · 古典衬线", "比 E0 更结实、更正统的 Garamond"),
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("E5", "LibreCaslonText[wght].ttf", 600, "Libre Caslon", "Caslon · 老派衬线", "英国老字号和出版社的经典选择，沉稳"),
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("E6", "SourceSerif4[opsz,wght].ttf", 600, "Source Serif 4", "与思源宋体同属 Adobe Source 家族", "和中文出自同一设计体系，最协调、最「工整」"),
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("E7", "BodoniModa[opsz,wght].ttf", 600, "Bodoni Moda", "Didot / Bodoni 类 · 现代高对比", "时尚、精致，奢侈品和杂志常用"),
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("E8", "Jost[wght].ttf", 500, "Jost", "Futura 类 · 几何无衬线", "现代、干净，和传统印章形成反差"),
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]
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cn = PAIRS[1] # F2
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for eid, ef, ew, *_ in EN_OPTIONS:
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pair = (eid, cn[1], cn[2], cn[3], ef, ew)
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for color, dark, suffix in ((NAVY, False, ""), (WHITE, True, "-reverse")):
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body, w, h = wordmark(pair, color)
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(OUT / f"en-{eid}{suffix}.svg").write_text(lockup(body, w, h, h * 1.02, -h * 0.01, on_dark=dark))
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rows_e = "".join(
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f'<section class="font"><h3>{e[0]} · {e[3]}</h3><p>{e[4]}。{e[5]}<span class="lic">OFL</span></p>'
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f'<div class="pair"><div class="tile"><img src="en-{e[0]}.svg" alt="{e[3]} 浅色底"></div>'
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f'<div class="tile dark"><img src="en-{e[0]}-reverse.svg" alt="{e[3]} 深色底"></div></div>'
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f'<div class="small"><img src="en-{e[0]}.svg" width="200" alt=""><img src="en-{e[0]}.svg" width="120" alt=""></div></section>'
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for e in EN_OPTIONS)
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(OUT / "english.html").write_text(html.split("<h1>")[0] + f"""<h1>英文字体对比（H2 + F2）</h1>
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<p class="note">中文固定为思源宋体 SemiBold，比例固定为 H2，只换下方英文。全部是 Google Fonts 上的 SIL OFL 1.1 字体，可以免费商用、可以用在 logo 里。</p>
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{rows_e}
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</main></body></html>""")
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print("ok", len(EN_OPTIONS), "english options")
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# 5. 英文特写：只显示拼音这一行，放大比较字形
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py_top, py_h = CN_H * (1 + GAP), CN_H * PY_CAP
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for eid, ef, ew, *_ in EN_OPTIONS:
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body, w, h = wordmark((eid, cn[1], cn[2], cn[3], ef, ew), NAVY)
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(OUT / f"en-{eid}-detail.svg").write_text(
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f'<svg xmlns="http://www.w3.org/2000/svg" viewBox="-2 {py_top - 3:.1f} {w + 4:.1f} {py_h + 6:.1f}">{body}</svg>')
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detail = "".join(f'<figure class="tile"><img src="en-{e[0]}-detail.svg" alt="{e[3]} 特写"><figcaption><b>{e[0]}</b> {e[3]}</figcaption></figure>'
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for e in EN_OPTIONS)
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page = (OUT / "english.html").read_text()
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page = page.replace("</main>", f'<h2>英文特写</h2><p class="note">只看拼音这一行，放大比较字形细节。</p><div class="grid">{detail}</div></main>')
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(OUT / "english.html").write_text(page)
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print("ok detail")
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# 6. 英文视觉对齐补偿（H2 + F2 + E5）
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# 实测：中文两端只有细横画尖，英文两端是 B、I 的粗竖画；按墨迹浓度算英文左超 6.5、右超 7.7（中文字高 = 100）
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E5 = next(e for e in EN_OPTIONS if e[0] == "E5")
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ALIGN = [
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("C0", (0.0, 0.0), "不补偿：几何两端对齐（现状）"),
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("C1", (3.5, 4.0), "补偿一半：左 3.5、右 4.0"),
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("C2", (5.0, 5.8), "补偿约 3/4：左 5.0、右 5.8"),
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("C3", (6.5, 7.7), "完全补偿：按墨迹浓度边缘对齐，左 6.5、右 7.7"),
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]
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CN_VISUAL = (8.6, 315.4) # 中文「浓度 ≥ 15%」的视觉边缘（实测）
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pair_e5 = ("E5", cn[1], cn[2], cn[3], E5[1], E5[2])
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for cid, ins, _ in ALIGN:
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for color, dark, suffix in ((NAVY, False, ""), (WHITE, True, "-reverse")):
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body, w, h = wordmark(pair_e5, color, inset=ins)
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(OUT / f"align-{cid}{suffix}.svg").write_text(lockup(body, w, h, h * 1.02, -h * 0.01, on_dark=dark))
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# 带辅助线的字标特写：红线 = 中文视觉边缘，灰线 = 中文几何边界
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body, w, h = wordmark(pair_e5, NAVY, inset=ins)
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guides = (f'<line x1="0" y1="-4" x2="0" y2="{h + 4:.1f}" stroke="#999" stroke-width="0.6" stroke-dasharray="2 2"/>'
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f'<line x1="{w:.1f}" y1="-4" x2="{w:.1f}" y2="{h + 4:.1f}" stroke="#999" stroke-width="0.6" stroke-dasharray="2 2"/>'
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f'<line x1="{CN_VISUAL[0]}" y1="-4" x2="{CN_VISUAL[0]}" y2="{h + 4:.1f}" stroke="#D9291C" stroke-width="0.6"/>'
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f'<line x1="{CN_VISUAL[1]}" y1="-4" x2="{CN_VISUAL[1]}" y2="{h + 4:.1f}" stroke="#D9291C" stroke-width="0.6"/>')
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(OUT / f"align-{cid}-guides.svg").write_text(
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f'<svg xmlns="http://www.w3.org/2000/svg" viewBox="-8 -8 {w + 16:.1f} {h + 16:.1f}"><rect x="-8" y="-8" width="{w + 16:.1f}" height="{h + 16:.1f}" fill="#fff"/>{body}{guides}</svg>')
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rows_a = "".join(
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f'<section class="font"><h3>{c[0]} · {c[2]}</h3>'
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f'<div class="pair"><div class="tile"><img src="align-{c[0]}.svg" alt="{c[0]} 浅色底"></div>'
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f'<div class="tile"><img src="align-{c[0]}-guides.svg" alt="{c[0]} 辅助线"></div></div>'
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f'<div class="small"><img src="align-{c[0]}.svg" width="240" alt=""><img src="align-{c[0]}.svg" width="160" alt=""></div></section>'
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for c in ALIGN)
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(OUT / "alignment.html").write_text(html.split("<h1>")[0] + f"""<h1>英文视觉对齐补偿（H2 + F2 + E5）</h1>
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<p class="note">右侧特写的辅助线：灰色虚线是中文的几何边界（最外的墨迹），红线是中文的视觉边缘（墨迹浓度达到行高 15% 的位置）。
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补偿越多，英文越往红线靠。建议不看辅助线、只看左侧的整体效果做判断。</p>
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{rows_a}
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</main></body></html>""")
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print("ok alignment")
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