水彩视线分析图：山顶观景台

视线分析图，主体为山顶观景台，鸟瞰视角，柔和的水彩插画风格，轻盈的晕染，纸张纹理，大地色配色，沙色、土黄、苔绿与深橄榄，扇形视域范围，从观景点发出的视线箭头，眼睛图标，半透明视廊带，构图简洁，信息层级清晰，大量留白，画面中不出现文字和标注，高清，适合设计展板

sightline and view corridor analysis diagram of a mountaintop observation deck, bird's-eye view, soft watercolor illustration, gentle washes, visible paper texture, earth tone palette of sand, ochre, moss green and dark olive, fan-shaped viewsheds, sightline arrows radiating from viewpoints, eye icons, translucent view corridors, clean composition, clear visual hierarchy, generous white space, no text or labels in the image, high resolution, architecture presentation board