:root{--header-fading-mask-image:linear-gradient(var(--header-fading-mask-image-rotation,180deg),hsl(0 0% 0% / 98.7%) 1%,hsl(0 0% 0% / 95.1%) 8.07%,hsl(0 0% 0% / 89.6%) 15.14%,hsl(0 0% 0% / 82.5%) 22.21%,hsl(0 0% 0% / 74.1%) 29.29%,hsl(0 0% 0% / 64.8%) 36.36%,hsl(0 0% 0% / 55%) 43.43%,hsl(0 0% 0% / 45%) 50.5%,hsl(0 0% 0% / 35.2%) 57.57%,hsl(0 0% 0% / 25.9%) 64.64%,hsl(0 0% 0% / 17.5%) 71.71%,hsl(0 0% 0% / 10.4%) 78.79%,hsl(0 0% 0% / 4.9%) 85.86%,hsl(0 0% 0% / 1.3%) 92.93%,hsl(0 0% 0% / 0%) 100%);}@media only screen and (min-width:1024px){.inset-header-image .header-background._style-default._fading-bottom._shadow .header-background__wrapper{margin-left:4px;margin-right:4px}}:root{--site-width:960px;--main-offset:0px;--sidebar-width:256px;--sidebar-gap:48px;--hue-offset:0deg;--saturation-offset:0;--lightness-offset:0;--font-saturation-offset:0;--font-lightness-offset:0;--header-image-height:clamp(210px,42.1875vw + (75px),480px);--header-height:calc(clamp(60px,-0vw + (60px),60px) - var(--page-inset-top,0px));--header-logo-height:60px;--header-logo-min-height:60;--header-logo-max-height:60;--site-title-font-size:clamp(32px,4.375vw + (18px),60px);--site-title-tagline-font-size:clamp(13px,0.78125vw + (10.5px),18px);--grid-columns-min:616px;--grid-columns-row-gap-multiplier:1;--grid-columns-col-gap-multiplier:1;--card-font-size-min-mod:0px;--card-font-size-grow-mod:0px;--card-font-size-max-mod:0px;--ff-base:var(--ff-system);--ff-note:var(--ff-system);--ff-heading:var(--ff-system);--ff-site-title:var(--ff-heading);--ff-story-title:var(--ff-heading);--ff-chapter-title:'feihuasong',var(--ff-heading);--ff-chapter-list-title:var(--ff-base);--ff-card-title:var(--ff-heading);--ff-card-body:var(--ff-note);--ff-card-list-link:var(--ff-note);--ff-nav-item:var(--ff-base);--card-cover-width-mod:1;--card-box-shadow:var(--box-shadow-m);--card-drop-shadow:var(--drop-shadow-m);--story-cover-box-shadow:var(--box-shadow-xl);--recommendation-cover-box-shadow:var(--box-shadow-xl);--floating-cover-image-width:clamp(56px,32.142857142857vw + (-46.857142857143px),200px);--in-content-cover-image-width:clamp(100px,25.445292620865vw + (4.5801526717557px),200px)}:root[data-mode=light]{--hue-offset:0deg;--saturation-offset:0;--lightness-offset:0;--font-saturation-offset:0;--font-lightness-offset:0}:root{--site-title-heading-color:hsl(calc(220deg + var(--hue-rotate)) max(calc(18% * (var(--font-saturation) + var(--saturation) - 1)),0%) clamp(0%,calc(80.39% * var(--font-lightness,1)),100%));--site-title-tagline-color:hsl(calc(220deg + var(--hue-rotate)) max(calc(18% * (var(--font-saturation) + var(--saturation) - 1)),0%) clamp(0%,calc(80.39% * var(--font-lightness,1)),100%))}:root[data-mode=light]{--site-title-heading-color:hsl(calc(220.91deg + var(--hue-rotate)) max(calc(39.29% * (var(--font-saturation) + var(--saturation) - 1)),0%) clamp(0%,calc(10.98% * var(--font-lightness,1)),100%));--site-title-tagline-color:hsl(calc(220.91deg + var(--hue-rotate)) max(calc(39.29% * (var(--font-saturation) + var(--saturation) - 1)),0%) clamp(0%,calc(10.98% * var(--font-lightness,1)),100%))}.top-header{background:var(--top-header-background);width:100%;contain:style layout}.top-header__content{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1rem 1rem .5rem;margin:0 auto;max-width:var(--site-width)}@media only screen and (min-width:1024px){.top-header__content{justify-content:flex-start;padding-bottom:.25rem}}.top-header__logo{flex:0 0 auto}.top-header .custom-logo{display:block;height:var(--header-logo-height);max-height:calc(var(--site-title-font-size) + var(--site-title-tagline-font-size) + 1rem);width:auto;max-width:100%;object-fit:contain}.top-header._no-tagline .custom-logo{max-height:calc(var(--site-title-font-size) + .75rem)}.top-header._no-title .custom-logo{max-height:unset}.top-header:not(._no-text-shadow) .top-header__title{text-shadow:var(--site-title-text-shadow)}.top-header__title{flex:0 1 auto}.top-header__heading{font:700 var(--site-title-font-size)/1.3 var(--ff-site-title);letter-spacing:0}.top-header__heading a{color:var(--site-title-heading-color)}.top-header__tagline{color:var(--site-title-tagline-color);font:400 var(--site-title-tagline-font-size)/1.3 var(--ff-site-title);letter-spacing:0}.top-header._no-logo{text-align:center}@media only screen and (min-width:1024px){.top-header._no-logo{text-align:left}}