Unverified88% confidenceDecision RuleTime unknown
尺寸选购：帘宽应为窗框（或轨道）宽度的1.8-2倍以保证褶皱饱满和两侧遮光，1.5倍以下拉平后漏光且显廉价；帘长落地款建议离地1-2cm，飘窗内嵌款需精确测量避免拖地积灰
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88%
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Long-term
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Unverified尺寸适配：窗帘宽度应为窗户实际宽度的1.5-2倍（褶皱比），才能保证拉合后无漏光缝隙；遮光需求高时窗帘长度和宽度都要超出窗框10-15cm，尤其两侧要留足搭接量避免侧漏光93% similarUnverified测量时窗帘宽度应按'成品宽度'下单而非布料宽度，安装轨道宽度需比窗户两侧各多出15-20cm防漏光；顶装（贴顶天花）比窗上装更显层高、遮光更好93% similarUnverified褶皱倍数（布料宽度/窗户宽度）建议2.0-2.5倍才饱满立体，1.5倍显稀疏塌陷。全遮光效果还依赖侧边遮光：安装时窗帘应比窗户每侧宽出15-20cm，顶部用轨道盒或加高安装避免漏光92% similar
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