Unverified80% confidenceDecision RuleTime unknown
底部漏光加装遮光挡板/加长下摆时，窗帘应比窗台低10-15cm并落地，仅盖住窗台的短帘无论如何都会有地面反射光进入
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80%
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Long-term
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Unverified窗帘遮光要靠边缘密封而非布料本身，四周漏光会大幅降低实际遮光效果；追求全黑应选罗马杆两侧超出窗框15cm以上、底部拖地或过窗台20cm，或加装遮光盒/侧封条90% similarUnverified遮光要彻底必须解决四周漏光：窗帘宽度做窗户1.5-2倍并两侧超出墙面各15-20cm，顶部用罗马杆无缝或加装帘头盒挡顶光，否则布再黑边缘仍漏光90% similarUnverified遮光效果的关键是四周漏光控制而非布本身：窗帘宽度需为窗框宽的2倍（打褶）、高度覆盖窗框上下各15cm以上、两侧超出窗框10cm，否则边缘漏光会破坏全遮光88% similarUnverified追求全遮光时窗帘宽度需超出窗户两侧各20cm、顶部用罗马杆改轨道或加装帘盒挡光，否则边缘和顶部漏光会让99%遮光布实际体验大打折扣88% similarUnverified真正的遮光关键在于窗帘四周的漏光而非布料本身：需帘布左右各超出窗框15-20cm、顶部用箱式帘头或吊顶暗轨，底部离地1-2cm，否则再高遮光率也漏光成框88% similar
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