.home-placeholder{z-index:var(--galaxy-layer-overlay);isolation:isolate;background:var(--home-content-surface);scroll-margin-top:var(--galaxy-fixed-header-offset);position:relative}.home-placeholder:after{z-index:var(--galaxy-layer-background);inset:var(--spacing-0);background:radial-gradient(circle at center, var(--home-content-dot) 0 calc(var(--border-width) * .7), transparent var(--border-width)) var(--spacing-0) var(--spacing-0) / calc(var(--spacing-4) + var(--spacing-0-5)) calc(var(--spacing-4) + var(--spacing-0-5)), radial-gradient(circle at top left, var(--home-content-ambient-primary), transparent 34%), radial-gradient(circle at top right, var(--home-content-ambient-secondary), transparent 38%);-webkit-mask-image:linear-gradient(to bottom, transparent, var(--color-on-dark) 12%);-webkit-mask-image:linear-gradient(to bottom, transparent, var(--color-on-dark) 12%);mask-image:linear-gradient(to bottom, transparent, var(--color-on-dark) 12%);pointer-events:none;content:"";position:absolute}.home-placeholder__inner{box-sizing:border-box;z-index:var(--galaxy-layer-content);width:100%;max-width:var(--home-content-max-width);gap:var(--spacing-10);padding:calc(var(--spacing-10) * 2) var(--spacing-6);flex-direction:column;margin-inline:auto;display:flex;position:relative}.home-placeholder__section{gap:var(--spacing-6);padding-top:var(--spacing-6);flex-direction:column;display:flex}.home-placeholder__section-heading{gap:var(--spacing-3);padding-block:var(--spacing-4) var(--spacing-2);flex-direction:column;display:flex}.home-placeholder__section-title.semi-typography{margin:var(--spacing-0);color:var(--semi-color-text-0);font-size:clamp(1.5rem,2.4vw,2rem);font-weight:var(--font-weight-medium);letter-spacing:-.02em;line-height:1.2}.home-placeholder__section-description.semi-typography{max-width:44rem;margin:var(--spacing-0);color:var(--semi-color-text-2);font-size:1rem;line-height:1.7}.home-placeholder__surface.semi-card{border:var(--border-width) solid var(--home-content-border);border-radius:var(--radius-container);background:var(--home-content-surface-raised);box-shadow:none}.home-placeholder__work-card-button,.home-placeholder__project-button{width:100%;margin:var(--spacing-0);padding:var(--spacing-0);border:var(--spacing-0);color:inherit;font:inherit;text-align:inherit;cursor:pointer;background:0 0}.home-placeholder__work-card-button{min-width:var(--spacing-0);border-radius:var(--radius-container);display:block}.home-placeholder__work-card-button>.semi-card{width:100%;height:100%;transition:border-color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard)}.home-placeholder__work-card-button:hover>.semi-card,.home-placeholder__work-card-button:focus-visible>.semi-card{border-color:var(--semi-color-primary);background:var(--home-content-surface-raised)}.home-placeholder__project-button:hover,.home-placeholder__project-button:focus-visible{background:var(--home-content-surface-raised)}.home-placeholder__work-card-button:focus-visible,.home-placeholder__project-button:focus-visible{outline:calc(var(--border-width) * 2) solid var(--semi-color-primary);outline-offset:var(--spacing-1)}.home-placeholder__work-card-button:disabled,.home-placeholder__project-button:disabled{opacity:.64;cursor:wait}.home-placeholder__surface>.semi-card-body{padding:var(--spacing-6)}.home-placeholder__landscape-shell{width:100%;padding-block:var(--spacing-6) var(--spacing-4)}.home-placeholder__carousel-card.semi-card{height:min(56vh, calc(var(--spacing-10) * 12));min-height:calc(var(--spacing-10) * 8);border-radius:calc(var(--radius-container) + var(--spacing-2));overflow:hidden}.home-placeholder__carousel-card>.semi-card-body{height:100%;padding:var(--spacing-0)}.home-placeholder__carousel{height:100%}.home-placeholder__slide{inset:var(--spacing-0);width:100%;height:100%;margin:var(--spacing-0);background:var(--home-content-surface-raised);position:absolute;overflow:hidden}.home-placeholder__slide:after{inset:var(--spacing-0);background:linear-gradient(to top, color-mix(in srgb, var(--galaxy-void) 78%, transparent), transparent 46%);pointer-events:none;content:"";position:absolute}.home-placeholder__slide-image{object-fit:cover;width:100%;height:100%;display:block}.home-placeholder__slide-link{width:100%;height:100%;color:inherit;text-decoration:none;display:block}.home-placeholder__slide-link:focus-visible{outline:calc(var(--border-width) * 2) solid var(--color-on-dark);outline-offset:calc(var(--spacing-1) * -1)}.home-placeholder__slide-caption{z-index:var(--galaxy-layer-content);right:var(--spacing-6);bottom:var(--spacing-6);left:var(--spacing-6);color:var(--color-on-dark);font-size:clamp(1.5rem,3vw,2.75rem);font-weight:var(--font-weight-medium);letter-spacing:-.025em;text-shadow:var(--galaxy-heading-shadow);line-height:1.1;position:absolute}.home-placeholder__slide-title,.home-placeholder__slide-subtitle{display:block}.home-placeholder__slide-subtitle{max-width:42rem;margin-top:var(--spacing-2);font-size:clamp(.875rem,1.4vw,1.125rem);font-weight:var(--font-weight-regular);letter-spacing:normal;line-height:1.5}.home-placeholder .semi-skeleton-title{margin:var(--spacing-0);background-color:var(--semi-color-fill-2);animation:none}.home-placeholder__skeleton{flex:none;max-width:100%}.home-placeholder__skeleton--phase-0{opacity:var(--home-skeleton-phase-0)}.home-placeholder__skeleton--phase-1{opacity:var(--home-skeleton-phase-1)}.home-placeholder__skeleton--phase-2{opacity:var(--home-skeleton-phase-2)}.home-placeholder__stack{gap:var(--spacing-4);flex-direction:column;display:flex}.home-placeholder__stack--large{gap:var(--spacing-5)}.home-placeholder__stack--section{gap:var(--spacing-6)}.home-placeholder__stack--small{gap:var(--spacing-2)}.home-placeholder__row{align-items:center;gap:var(--spacing-3);display:flex}.home-placeholder__row--between{justify-content:space-between;gap:var(--spacing-4)}.home-placeholder__feature-grid,.home-placeholder__orbit{grid-template-columns:repeat(auto-fit, minmax(min(var(--home-grid-wide-min), 100%), 1fr));gap:var(--spacing-8);display:grid}.home-placeholder__feature-copy{justify-content:center}.home-placeholder__cards,.home-placeholder__course-grid,.home-placeholder__creator-grid{grid-template-columns:repeat(auto-fit, minmax(min(var(--home-grid-card-min), 100%), 1fr));gap:var(--spacing-5);display:grid}.home-placeholder__course-grid{grid-template-columns:repeat(auto-fit, minmax(min(var(--home-grid-wide-min), 100%), 1fr))}.home-placeholder__creator-grid{grid-template-columns:repeat(auto-fit,minmax(min(16rem,100%),1fr))}.home-placeholder__orbit{gap:var(--spacing-5)}.home-placeholder__popular-grid{gap:var(--spacing-5);grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.home-placeholder__popular-tilt{height:100%}.home-placeholder__popular-work-card.semi-card,.home-placeholder__popular-skeleton-card.semi-card{height:100%;overflow:hidden}.home-placeholder__popular-work-card>.semi-card-body,.home-placeholder__popular-skeleton-card>.semi-card-body{height:100%;padding:var(--spacing-0);flex-direction:column;display:flex}.home-placeholder__popular-content,.home-placeholder__popular-skeleton-content{gap:var(--spacing-3);padding:var(--spacing-4);flex-direction:column;flex:1;display:flex}.home-placeholder__popular-skeleton-cover{aspect-ratio:16/10;border-radius:var(--spacing-0);width:100%}.home-placeholder__popular-feature-heading,.home-placeholder__popular-stats{justify-content:space-between;align-items:center;gap:var(--spacing-3);display:flex}.home-placeholder__popular-category{padding:var(--spacing-1) var(--spacing-3);border:var(--border-width) solid var(--home-content-border);border-radius:var(--radius-full);background:var(--semi-color-fill-0);color:var(--semi-color-text-1);text-overflow:ellipsis;white-space:nowrap;font-size:.8125rem;line-height:1.5;overflow:hidden}.home-placeholder__popular-cover{aspect-ratio:16/10;border-bottom:var(--border-width) solid var(--home-content-border);background:var(--semi-color-fill-1);position:relative;overflow:hidden}.home-placeholder__popular-cover>img{z-index:var(--galaxy-layer-content);object-fit:cover;width:100%;height:100%;display:block;position:relative}.home-placeholder__popular-cover>span{inset:var(--spacing-0);color:var(--semi-color-text-3);place-items:center;font-size:.875rem;display:grid;position:absolute}.home-placeholder__popular-cover>span:before{content:"作品封面"}.home-placeholder__popular-copy{min-width:var(--spacing-0)}.home-placeholder__popular-copy h3,.home-placeholder__popular-copy p{margin:var(--spacing-0)}.home-placeholder__popular-copy h3{color:var(--semi-color-text-0);font-size:1.125rem;font-weight:var(--font-weight-medium);text-overflow:ellipsis;white-space:nowrap;line-height:1.45;overflow:hidden}.home-placeholder__popular-copy p{margin-top:var(--spacing-1);color:var(--semi-color-text-2);text-overflow:ellipsis;white-space:nowrap;font-size:.875rem;line-height:1.6;overflow:hidden}.home-placeholder__popular-stats{color:var(--semi-color-text-2);flex-wrap:wrap;justify-content:flex-start;font-size:.8125rem;line-height:1.5}.home-placeholder__popular-status>.semi-card-body{min-height:calc(var(--spacing-10) * 3);justify-content:center;align-items:flex-start;gap:var(--spacing-3);flex-direction:column;display:flex}.home-placeholder__popular-status strong{color:var(--semi-color-text-0);font-size:1rem}.home-placeholder__popular-status span{color:var(--semi-color-text-2);line-height:1.6}.home-placeholder__card{min-height:calc(var(--spacing-10) * 7)}.home-placeholder__list-row{align-items:center;gap:var(--spacing-4);padding-block:var(--spacing-3);display:flex}.home-placeholder__project-row{align-items:center;gap:var(--spacing-5);padding-block:var(--spacing-4);display:flex}.home-placeholder__project-button{border-radius:var(--radius-element);transition:background-color var(--duration-fast) var(--ease-standard)}.home-placeholder__project-row+.home-placeholder__project-row{border-top:var(--border-width) solid var(--home-content-border)}.home-placeholder__creator-card{min-height:calc(var(--spacing-10) * 4)}.home-placeholder__list-copy{width:100%}.home-placeholder__list-row+.home-placeholder__list-row,.home-placeholder__compact-row+.home-placeholder__compact-row{border-top:var(--border-width) solid var(--home-content-border)}.home-placeholder__compact-row{gap:var(--spacing-3);padding-block:var(--spacing-4);flex-direction:column;display:flex}.home-placeholder [id]{scroll-margin-top:var(--galaxy-fixed-header-offset)}@media (max-width:74.999rem){.home-placeholder__popular-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width:61.999rem){.home-placeholder__popular-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:47.999rem){.home-placeholder__inner{gap:var(--spacing-8);padding:calc(var(--spacing-10) + var(--spacing-8)) var(--spacing-4)}.home-placeholder__section{gap:var(--spacing-5);padding-top:var(--spacing-4)}.home-placeholder__section-heading{gap:var(--spacing-3)}.home-placeholder__project-row{align-items:flex-start;gap:var(--spacing-4)}.home-placeholder__surface>.semi-card-body{padding:var(--spacing-4)!important}.home-placeholder__popular-work-card>.semi-card-body,.home-placeholder__popular-skeleton-card>.semi-card-body{padding:var(--spacing-0)!important}.home-placeholder__landscape-shell{padding-block:var(--spacing-4) var(--spacing-2)}.home-placeholder__carousel-card.semi-card{height:min(50vh, calc(var(--spacing-10) * 9));min-height:calc(var(--spacing-10) * 7)}.home-placeholder__carousel-card>.semi-card-body{padding:var(--spacing-0)!important}.home-placeholder__slide-caption{right:var(--spacing-4);bottom:var(--spacing-5);left:var(--spacing-4)}.home-placeholder__popular-grid{gap:var(--spacing-4);grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:31.999rem){.home-placeholder__popular-grid{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){.home-placeholder__carousel .semi-carousel-content-item{transition-duration:0s!important;animation-duration:0s!important}}