广告创意把值编码为喊声层级：产品、优惠、证据、行动。19 世纪海报锁版；IAB 展示尺寸；今日社交安全区。
工作报告、广告与作业中适合零售优惠、应用安装、活动海报、停滑裁切。若主张需要完整图表时不要把仪表盘塞进横幅，外链，换一种形式。
Rules
- 规则 1 — Use 喊声层级：产品、优惠、证据、行动 as one channel, not two.
- 规则 2 — Direct labels beat a distant legend.
- 规则 3 — Do not hide zero. If you break the axis, say so.
- 规则 4 — Colour encodes category or magnitude, not both.
- 规则 5 — Put the claim in the title, not just “广告创意”.
- 规则 6 — Source and period, even in small type.
Palette
- 色板 1 — Categories: distinct hues. Sequences: one hue, changing value.
- 色板 2 — Diverging: a neutral centre, emphasis at both ends.
- 色板 3 — One brand colour plus greys beats a rainbow.
- 色板 4 — Check contrast on a projector and in greyscale print.
Type
- 文字 1 — Tabular figures for numbers. Do not pour body copy into the chart.
- 文字 2 — Titles as sentences; axes as short nouns.
- 文字 3 — For CJK, drop weight one step and leave tracking.
广告创意: honour 喊声层级：产品、优惠、证据、行动, and switch when 主张需要完整图表时不要把仪表盘塞进横幅，外链.