Обучающий плакат-карточка по верстке

Vertical educational knowledge-card infographic poster explaining [分散构图] in a dark modern graphic design style, focused on scattered composition in visual layout. Canvas: Portrait 3:4 orientation, solid black background with subtle paper grain texture, high contrast, generous negative space, Swiss/modern editorial layout. Main title area in the upper left: very large two-line Chinese headline "[分散构图]" (first line in off-white, second line in lavender-purple), uppercase lavender English subtitle "SCATTERED COMPOSITION", a thin lavender horizontal dividing line, and left-aligned explanatory Chinese text: "将视觉元素有意分散在画面各处，形成多个视觉焦点，营造开放、轻盈与多向的视觉体验。" Visual structure: scattered geometric elements with asymmetrical spacing and multiple focal points, including 1 large yellow circle near the upper right, 1 medium purple circle at center-right, 1 small orange circle near the center, 1 teal square in the lower-left, 1 small pink square at mid-right, 1 small purple circle in the lower-center-left, 1 large off-white hollow ring in the lower-right, 5 white plus signs distributed across the canvas, 1 yellow plus sign in the lower center, 1 purple 3x3 dot grid near the upper right, and 1 off-white 3x3 dot grid in the lower-center-left. Callouts: 3 dotted leader-line annotations with small endpoint dots. Callout 01 pointing to the large yellow circle with yellow label "视觉焦点 01" and white text "大面积色块吸引视线，建立主要焦点。" Callout 02 pointing to the medium purple circle with purple label "视觉焦点 02" and white text "中等元素与留白结合，引导视线自然停留。" Callout 03 pointing to the small orange circle with orange label "视觉焦点 03" and white text "小面积高对比元素，成为次级视觉锚点。" Tip section in lower left: small purple lightbulb icon, purple header "技巧提示", white body text "通过大小、色彩、形状、方向的变化，在分散中建立联系，在留白中制造节奏。", with a thin off-white underline. Legend in lower right: compact 4-row key beside the hollow ring (Row 1: yellow 3x3 dot grid icon, "变化 / VARIATION"; Row 2: purple wavy line icon, "节奏 / RHYTHM"; Row 3: teal plus icon, "呼吸 / BREATH"; Row 4: pink outline square icon, "开放 / OPENNESS"). Flat vector graphics, matte finish, sharp typography, borderless minimalist aesthetic.