@font-face{font-family:EBookKaiTi;src:local("KaiTi"),local("STKaiti"),local("Kaiti SC"),local("Kaiti TC"),local("BiauKai"),local("DFKai-SB"),local("Noto Serif CJK SC"),local("Noto Serif CJK TC"),local("Noto Serif SC"),local("AR PL UKai CN");font-style:normal;font-weight:400;font-display:swap;unicode-range:U+2E80-2EFF,U+2F00-2FDF,U+3000-303F,U+3100-312F,U+31A0-31BF,U+31C0-31EF,U+3400-4DBF,U+4E00-9FFF,U+F900-FAFF,U+FF00-FFEF}:root{--edcloud-yellow: #ffc329;--edcloud-yellow-soft: #fff2b8;--edcloud-orange: #f5822a;--edcloud-orange-deep: #c85a16;--edcloud-cream: #fff9e8;--edcloud-ink: #233449;--edcloud-muted: #6c7784;--edcloud-teal: #0b9288;--edcloud-card: rgba(255,255,255,.92);font-family:EBookKaiTi,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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