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small{background:var(--mineral);color:var(--pewter);font-family:var(--font-utility);border-radius:999px;margin-left:auto;padding:2px 8px;font-size:12px;font-weight:500}.course-outline ol{gap:2px;margin:4px 0 0;padding:0;list-style:none;display:grid}.course-outline li>a{width:100%;min-height:44px;color:var(--ink-soft);text-align:left;border-radius:12px;align-items:flex-start;gap:10px;padding:10px;font-size:14px;line-height:1.6;display:flex}.course-outline__index{color:var(--pewter);font-family:var(--font-utility);flex:none;padding-top:1px;font-size:12px;font-style:normal}.course-outline li>a>span{overflow-wrap:anywhere;flex:1}.course-outline li.is-active>a{background:var(--brand-wash);color:var(--brand);font-weight:700}.course-outline li.is-active .course-outline__index{color:var(--brand)}.course-outline__lock{background:var(--note);color:var(--ink-soft);border-radius:999px;flex:none;padding:1px 8px;font-size:12px;font-weight:600}.course-outline--mobile{display:none}.course-reader{min-width:0}.course-chapter{scroll-margin-top:calc(var(--page-header) + 28px)}.course-gate{border:1px solid color-mix(in srgb,var(--brand) 30%,var(--hairline));border-radius:var(--radius-card);background:color-mix(in srgb,var(--brand-wash) 55%,var(--porcelain));scroll-margin-top:calc(var(--page-header) + 24px);padding:clamp(24px,3.6vw,40px)}.course-gate h2{font-family:var(--font-display);margin:0;font-size:24px;font-weight:900}.course-gate>p:not(.portal-message){color:var(--ink-soft);margin:12px 0 22px;font-size:15px;line-height:1.85}.course-gate__consent{margin-bottom:16px}.course-gate__login{border-radius:var(--family-radius-small);min-height:44px;color:var(--brand);align-items:center;margin-left:16px;font-size:14px;font-weight:600;display:inline-flex}.course-navigation{grid-template-columns:1fr 1fr;gap:12px;margin-top:32px;display:grid}.course-navigation a{border:1px solid var(--surface-line);background:var(--porcelain);text-align:left;border-radius:18px;align-content:start;gap:6px;padding:16px 20px;display:grid}.course-navigation__next{grid-column:2;text-align:right!important}.course-navigation small{color:var(--pewter);font-size:13px}.course-navigation span{color:var(--ink);font-family:var(--font-display);overflow-wrap:anywhere;font-size:17px;font-weight:900;line-height:1.45}#course-content,#course-introduction{scroll-margin-top:calc(var(--page-header) + 28px)}.related-reading{margin-top:clamp(64px,8vw,104px)}.related-reading__title{font-family:var(--font-display);margin:0 0 24px;font-size:clamp(26px,3vw,34px);font-weight:900}.related-reading__items{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px;display:grid}.portal-main{padding:clamp(32px,6vw,72px) var(--portal-gutter) clamp(48px,8vw,96px)}.portal-shell{width:min(480px,100%);margin:0 auto}.portal-shell .detail-back{margin-bottom:16px}.portal-card{border:1px solid 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var(--surface-line);border-radius:var(--radius-card);background:var(--porcelain);box-shadow:var(--card-shadow);transform:translate3d(calc(var(--p)*var(--step-x)),calc(var(--p)*var(--step-y)),0) rotate(calc(var(--p)*var(--step-r))) scale(calc(1 - var(--p)*.045));transform-origin:50% 100%;transition:transform .46s var(--spring),opacity .22s var(--ease-out);touch-action:pan-y;-webkit-user-select:none;user-select:none;animation:clip-deal .76s var(--family-ease-drawer) both;animation-delay:calc(.24s + var(--p)*80ms);flex-direction:column;display:flex;position:absolute;inset:0;overflow:hidden}@keyframes clip-deal{0%{opacity:0;translate:0 56px}}.clip-card:before{z-index:2;background:var(--mineral);content:"";opacity:calc(var(--p)*.16);pointer-events:none;transition:opacity .3s var(--ease-out);position:absolute;inset:0}.clip-card.is-top{cursor:grab}.clip-card.is-top:active{cursor:grabbing}.clip-card.is-hidden{opacity:0;pointer-events:none}.clip-card img{-webkit-user-drag:none}.clip-card__link{color:inherit}.clip-card__link:after{z-index:1;content:"";position:absolute;inset:0}.clip-card__link:focus-visible{outline:none}.clip-card:has(.clip-card__link:focus-visible){outline:var(--family-focus-width) solid var(--focus);outline-offset:4px}.clip-card--text{gap:16px;padding:30px 30px 26px}.clip-card--course{background:var(--note)}.clip-card__kind{color:var(--brand);letter-spacing:.06em;margin:0;font-size:13px;font-weight:700}.clip-card__title{font-family:var(--font-display);font-size:28px;font-weight:900;line-height:1.4}.clip-card__excerpt,.clip-card__title{-webkit-line-clamp:4;-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}.clip-card__excerpt{color:var(--ink-soft);font-size:15px;line-height:1.8}.clip-card__foot{border-top:1px dashed var(--hairline);color:var(--pewter);justify-content:space-between;gap:12px;margin:auto 0 0;padding-top:18px;font-size:13px;display:flex}.clip-card__foot span:last-child{color:var(--brand);font-weight:700}.clip-card__shot{border-radius:calc(var(--radius-card) - 10px);background:var(--mineral);flex:1;min-height:0;margin:10px 10px 0;overflow:hidden}.clip-card__shot .progressive-image,.clip-card__shot .progressive-image>img{-o-object-fit:cover;object-fit:cover;-o-object-position:top center;object-position:top center;width:100%;height:100%}.clip-card__shot-meta{align-items:center;gap:12px;padding:16px 18px 18px;display:flex}.clip-card__icon{border-radius:var(--family-radius-icon);background:var(--accent-wash);flex:none;width:42px;height:42px;overflow:hidden}.clip-card__icon .progressive-image,.clip-card__icon .progressive-image>img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.clip-card__shot-copy{flex:1;min-width:0;line-height:1.4;display:grid}.clip-card__shot-copy strong{font-size:17px}.clip-card__shot-copy small{color:var(--pewter);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.clip-card__version{background:var(--brand-wash);color:var(--brand);font-family:var(--font-utility);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600}.clip-stack__controls{align-items:center;gap:10px;display:flex}.clip-stack__button{border:1px solid var(--hairline);background:var(--porcelain);width:44px;height:44px;color:var(--ink);font-family:var(--font-utility);cursor:pointer;border-radius:50%;place-items:center;font-size:16px;display:grid}.clip-stack__position{min-width:64px;color:var(--ink-soft);font-family:var(--font-utility);font-variant-numeric:tabular-nums;text-align:center;font-size:13px}.clip-stack__hint{color:var(--pewter);margin-left:6px;font-size:13px}.portal-sections{gap:clamp(96px,11vw,152px);padding:clamp(48px,7vw,96px) 0 clamp(96px,11vw,152px);display:grid}.section-head{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px 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li{border-radius:var(--family-radius-small);background:var(--mineral);color:var(--pewter);font-family:var(--font-utility);padding:3px 9px;font-size:12px}.app-feature__versions li.is-latest{background:var(--brand-wash);color:var(--brand);font-weight:600}.app-feature__versions li.is-count{font-family:var(--font-body);background:0 0}.category-section__reading{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px;display:grid}.reading-card{border:1px solid var(--surface-line);border-radius:var(--radius-card);background:var(--porcelain);min-height:260px;transition:transform .32s var(--spring),box-shadow .24s var(--ease-out),border-color .24s var(--ease-out);flex-direction:column;gap:14px;padding:28px;display:flex;position:relative}.reading-card:has(.reading-card__link:focus-visible){outline:var(--family-focus-width) solid var(--focus);outline-offset:4px}.reading-card__kind{color:var(--pewter);flex-wrap:wrap;gap:4px 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0;font-size:14px;font-weight:700}.reading-card__more span{font-family:var(--font-utility);transition:transform var(--family-duration-fast) var(--ease-out);display:inline-block}.reading-card--lead{border-radius:var(--radius-band);background:var(--cover);min-height:300px;color:var(--cover-ink);border-color:#0000;grid-column:1/-1;grid-template-rows:auto auto 1fr;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-content:start;gap:18px 56px;padding:clamp(28px,4.4vw,56px);display:grid}.reading-card--lead .reading-card__kind{color:var(--cover-muted);grid-column:1/-1}.reading-card--lead .reading-card__kind span:first-child{color:var(--marker)}html.dark .reading-card--lead .reading-card__kind span:first-child{color:#ffe45c}.reading-card--lead .reading-card__title{-webkit-line-clamp:4;grid-area:2/1/span 2;font-size:clamp(28px,3.2vw,40px);line-height:1.35}.reading-card--lead .reading-card__link{color:var(--cover-ink)}.reading-card--lead 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10px;font-size:12px;font-weight:600}.collab-band__description{color:var(--ink-soft);margin:0;font-size:15px}.collab-band__items{gap:12px;margin:0;padding:0;list-style:none;display:grid}.collab-band__empty{border-top:1px dashed var(--hairline);justify-items:start;gap:4px;padding-top:14px;display:grid}.category-section__empty p,.collab-band__empty p{max-width:30em;color:var(--pewter);margin:0;font-size:15px;line-height:1.8}.category-section__empty{border:1px dashed var(--hairline);border-radius:var(--radius-card);justify-items:start;gap:20px;padding:clamp(28px,4vw,48px);display:grid}.portal-footer{padding-top:clamp(24px,4vw,48px)}.portal-footer__inner{width:min(var(--portal-width),100%);padding:0 var(--portal-gutter);margin:0 auto}.follow-band{border-radius:var(--radius-band);background:var(--brand);color:var(--on-brand);scroll-margin-top:calc(var(--page-header) + 24px);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:32px 56px;padding:clamp(32px,5vw,64px);display:grid;overflow:hidden}html.dark .follow-band{color:#fff;background:#750ee4}.follow-band__copy{justify-items:start;gap:16px;display:grid}.follow-band__avatar{width:52px;height:52px;font-family:var(--font-display);border:2px solid #ffffff80;border-radius:50%;place-items:center;font-weight:900;display:grid;overflow:hidden}.follow-band__avatar .progressive-image,.follow-band__avatar .progressive-image>img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.follow-band__title{max-width:15em;font-family:var(--font-display);text-wrap:balance;margin:0;font-size:clamp(28px,3.4vw,44px);font-weight:900;line-height:1.3}.follow-band__intro{opacity:.82;margin:0;font-size:16px}.follow-band__codes{flex-wrap:wrap;gap:16px;margin:0;padding:0;list-style:none;display:flex}.follow-code{color:#0f1115;transition:transform .36s var(--spring);background:#fff;border-radius:20px;gap:8px;margin:0;padding:12px 12px 10px;display:grid;box-shadow:0 18px 40px -16px 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a{min-height:44px;color:var(--ink-soft);border-radius:999px;align-items:center;padding:0 12px;font-size:14px;display:inline-flex}.category-page .category-section{padding:clamp(40px,6vw,72px) 0 clamp(64px,8vw,112px)}@media (hover:hover) and (pointer:fine){.portal-footer__nav a:hover,.portal-nav__item:hover:not([aria-current=page]),.portal-tool:hover{background:var(--accent-wash);color:var(--ink)}.portal-button--accent:hover,.portal-follow:hover{border-color:var(--brand-strong);background:var(--brand-strong)}.clip-stack__button:hover,.portal-button:hover:not(.portal-button--accent):not(.portal-button--primary),.section-head__more:hover{border-color:var(--ink)}.portal-button--primary:hover{background:var(--ink-soft)}.clip-stack__deck:hover{--step-x:24px;--step-r:3.6deg}.reading-card:hover{border-color:color-mix(in srgb,var(--brand) 30%,var(--hairline));box-shadow:var(--card-shadow-hover);transform:translateY(-4px)}.reading-card--lead:hover{border-color:#0000}.portal-text-link:hover 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calc(var(--portal-gutter) - 8px) 8px;scrollbar-width:none;justify-content:flex-start;overflow-x:auto}.portal-nav::-webkit-scrollbar{display:none}.portal-nav__item{min-height:40px}.portal-hero__title{margin-top:24px}.portal-hero__intro{font-size:16px}.clip-stack__hint{display:none}.clip-stack__deck{--step-x:8px;--step-y:-12px;--step-r:1deg;width:min(100% - 24px,340px);margin-top:28px;translate:-12px}.section-head{grid-template-columns:minmax(0,1fr)}.section-head__more{grid-area:auto/1;justify-self:start}.collab-band__grid,.follow-band{grid-template-columns:minmax(0,1fr)}.reading-card{min-height:0}.follow-code__frame{width:124px;height:124px}}@media (width<=480px){.portal-follow{display:none}}@media (pointer:coarse){.portal-tool{width:44px;height:44px}}@media (prefers-reduced-motion:reduce){.clip-stack__deck{--step-r:0deg}.portal-mark{background-size:100% 100%}}.acceptance-banner[data-v-f49746dc]{text-align:center;margin:0;padding:8px 24px;font-size:12px}