.projects-index {
  --catalog-image-width: 460px;
  --projects-list-width: calc(300px + var(--catalog-image-width));
  --projects-list-offset: max(0px, calc((100vw - var(--catalog-image-width)) / 2 - 300px));
  position: fixed;
  z-index: 11;
  inset: 64px 0 0;
  display: none;
  overflow: hidden;
  background: #fff;
}

.projects-index-inline-close {
  position: fixed;
  z-index: 50;
  top: 80px;
  right: 32px;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  padding: 0 0 2px;
  background: var(--red, #c00);
  box-shadow: 0 5px 16px rgba(204, 0, 0, 0.2);
  color: #fff;
  font: 300 24px/1 Arial, Helvetica, sans-serif;
  opacity: 0;
  transform: translateY(-6px) scale(0.86);
  pointer-events: none;
  cursor: pointer;
  transition:
    opacity 220ms ease,
    transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.projects-index-inline-close.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.projects-index-inline-close.is-closing {
  opacity: 0;
  transform: translateY(-4px) scale(0.9);
  pointer-events: none;
  transition-duration: 180ms, 220ms, 160ms, 160ms;
}

.projects-index-inline-close.is-visible:hover {
  background: #a90000;
  box-shadow: 0 7px 20px rgba(204, 0, 0, 0.28);
  transform: translateY(0) scale(1.06);
}

.projects-index-inline-close:focus-visible {
  outline: 2px solid var(--red, #c00);
  outline-offset: 3px;
}

.projects-index.open {
  display: block;
}

.projects-index-scroller {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #b8b8b8 transparent;
  overscroll-behavior-y: contain;
}

.projects-index-scroller::-webkit-scrollbar {
  display: block;
  width: 7px;
}

.projects-index-scroller::-webkit-scrollbar-track {
  background: transparent;
}

.projects-index-scroller::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: #b8b8b8;
  background-clip: padding-box;
}

.projects-index-scroller::-webkit-scrollbar-thumb:hover {
  background: #8f8f8f;
  background-clip: padding-box;
}

.projects-filter {
  position: absolute;
  z-index: 2;
  top: 20px;
  left: 29px;
  width: 200px;
  color: #0B0B0B;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  transition: opacity 320ms ease, transform 320ms ease;
}

.projects-index.has-expanded-project .projects-filter {
  opacity: 0;
  transform: translateX(-12px);
  pointer-events: none;
}

.projects-filter-list,
.projects-filter-group {
  margin: 0;
  padding: 0;
  list-style: none;
}

.projects-filter-section {
  position: relative;
}

.projects-filter-heading {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border: 0;
  padding: 0 0 0 14px;
  color: #0b0b0b;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.projects-filter-heading::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 2px;
  height: 15px;
  background: #0b0b0b;
  content: "";
  opacity: 0;
  transform: translateY(-50%);
}

.projects-filter-section.is-selected > .projects-filter-heading::before {
  opacity: 1;
}

.projects-filter-section.is-selected > .projects-filter-heading {
  color: #0b0b0b;
  
}

.projects-filter-heading i {
  width: 7px;
  height: 7px;
  margin-right: 1px;
  border-top: 1px solid #999;
  border-left: 1px solid #999;
  transform: translateY(2px) rotate(45deg);
  transition: transform 180ms ease;
}

.projects-filter-heading-secondary {
  margin-top: 31px;
  color: #838383;
}

.projects-filter-heading[aria-expanded="false"] i {
  transform: translateY(-2px) rotate(225deg);
}

.projects-filter-group button {
  display: block;
  border: 0;
  padding: 0;
  color: #838383;
  background: transparent;
  font-weight: 500;
  cursor: pointer;
}

.projects-filter-group {
  margin: 27px 0 0 20px;
}

.projects-filter-group li + li {
  margin-top: 32px;
}

.projects-filter-group .active {
  color: var(--red);
}

.projects-filter-section.is-selected > .projects-filter-heading-leaf.active {
  color: var(--red);
}

.projects-index-list {
  --projects-scroll-scale: 1;
  --projects-scroll-opacity: 1;
  --projects-scroll-origin-y: 0%;
  width: var(--projects-list-width);
  margin-left: var(--projects-list-offset);
  padding: 31px 0 clamp(46px, 7vh, 76px);
  padding: 31px 0 clamp(46px, 7dvh, 76px);
  opacity: var(--projects-scroll-opacity);
  transform: translate3d(0, 0, 0) scale(var(--projects-scroll-scale));
  transform-origin: 50% var(--projects-scroll-origin-y) 0;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.projects-index-row {
  --project-expanded-height: clamp(327.6px, calc(117vh - 140.4px), 702px);
  --project-expanded-height: clamp(327.6px, calc(117dvh - 140.4px), 702px);
  --project-open-duration: 620ms;
  --project-close-duration: 560ms;
  --project-content-duration: 280ms;
  --project-content-delay: 300ms;
  position: relative;
  display: grid;
  grid-template-columns: 282px var(--catalog-image-width);
  column-gap: 18px;
  align-items: start;
  width: var(--projects-list-width);
}

.projects-index-row.is-expanding,
.projects-index-row.is-expanded {
  width: calc(100vw - var(--projects-list-offset));
  grid-template-columns: 282px minmax(0, 1fr);
}

.projects-index.has-expanded-project
  .projects-index-row:not(.is-expanding):not(.is-expanded):not(.is-collapsing) {
  contain: layout style;
}

.projects-index-row:not(:last-child) {
  margin-bottom: clamp(34px, 4.72vh, 51px);
  margin-bottom: clamp(34px, 4.72dvh, 51px);
}

.projects-index-copy {
  grid-column: 1;
  grid-row: 1;
  justify-self: end;
  width: 300px;
  padding-top: 3px;
  text-align: right;
}

.projects-index-copy h2 {
  margin: 0;
  color: #000;
  font-size: 15px;
  font-weight: 450;
  line-height: 1.45;
  white-space: normal;
  overflow-wrap: anywhere;
}

.projects-index-copy p {
  margin: 22px 0 0;
  color: #838383;
  font-size: 12px;
  line-height: 1.4;
  white-space: pre;
}

.projects-index-inline-meta {
  margin-top: 28px;
  opacity: 0;
  transform: translateX(-18px);
  transition:
    opacity var(--project-content-duration) var(--project-content-delay) ease,
    transform var(--project-content-duration) var(--project-content-delay) ease;
}

.projects-index-row.is-expanded .projects-index-inline-meta {
  opacity: 1;
  transform: translateX(0);
}

.projects-index-row.is-expanding .projects-index-primary .projects-index-copy,
.projects-index-row.is-expanded .projects-index-primary .projects-index-copy {
  position: absolute;
  z-index: 3;
  top: 0;
  right: calc(100% + 44px);
  left: auto;
  width: max-content;
  max-width: 324px;
  transition: opacity 220ms ease;
}

.projects-index-row.is-collapsing .projects-index-primary .projects-index-copy {
  opacity: 0;
}

.projects-index-inline-awards {
  margin: 0;
  padding: 0;
  list-style: none;
  color: #111;
  font-size: 12px;
  line-height: 1.55;
  white-space: normal;
}

.projects-index-inline-awards:empty {
  display: none;
}

.projects-index-inline-facts {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.projects-index-inline-awards:empty + .projects-index-inline-facts {
  margin-top: 0;
}

.projects-index-inline-facts span {
  display: block;
  margin-bottom: 3px;
  color: #838383;
  font-size: 12px;
}

.projects-index-inline-facts p {
  margin: 0;
  color: #111;
  font-size: 12px;
  line-height: 1.5;
  white-space: normal;
}

.projects-index-arrow {
  position: relative;
  z-index: 4;
  display: block;
  box-sizing: border-box;
  grid-column: 1;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  width: 44px;
  height: 44px;
  border: 1px solid #aaa;
  border-radius: 50%;
  padding: 0;
  background: #fff;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  visibility: visible;
  opacity: 1;
  transform: scale(1);
  transition:
    border-color 160ms ease,
    background 160ms ease,
    opacity 180ms ease,
    transform 180ms ease,
    visibility 0s;
}

.projects-index-row.is-expanded .projects-index-arrow {
  visibility: hidden;
  opacity: 0;
  transform: scale(0.82);
  pointer-events: none;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    opacity 180ms ease,
    transform 180ms ease,
    visibility 0s 180ms;
}

.projects-index-row.is-collapsing .projects-index-arrow {
  visibility: visible;
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    opacity 180ms ease,
    transform 180ms ease,
    visibility 0s;
}

.projects-index-arrow span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 11px;
  border-top: 1px solid #999;
  border-right: 1px solid #999;
  transform: translate(-65%, -50%) rotate(45deg);
  transition: transform 300ms ease;
}

.projects-index-row.is-expanded .projects-index-arrow span {
  transform: translate(-35%, -50%) rotate(225deg);
}

.projects-index-arrow:hover,
.projects-index-arrow:focus-visible {
  border-color: var(--red);
}

.projects-index-gallery {
  position: relative;
  contain: layout paint;
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: var(--catalog-image-width);
  height: auto;
  overflow: hidden;
  cursor: default;
  scrollbar-width: none;
  transform: translate3d(0, 0, 0);
  transition: height var(--project-open-duration) cubic-bezier(0.45, 0, 0.55, 1);
}

.projects-index-gallery::-webkit-scrollbar {
  display: none;
}

.projects-index-row.is-expanding .projects-index-gallery,
.projects-index-row.is-expanded .projects-index-gallery {
  box-sizing: content-box;
  grid-column: 1 / -1;
  width: 100vw;
  margin-left: calc(0px - var(--projects-list-offset));
  padding-top: var(--project-focus-top-offset, 0px);
  gap: 64px;
  overflow-x: auto;
  overflow-y: hidden;
  cursor: grab;
  overscroll-behavior-x: contain;
}

.projects-index-row.is-expanding .projects-index-gallery {
  height: var(--project-expanded-height);
}

.projects-index-row.is-expanded .projects-index-gallery {
  height: var(--project-expanded-height);
}

.projects-index-gallery.is-dragging {
  cursor: grabbing;
  user-select: none;
}

.projects-index-primary {
  position: relative;
  flex: 0 0 auto;
  width: var(--catalog-image-width);
  height: auto;
  aspect-ratio: var(--project-image-ratio, 465 / 348);
  transform: translate3d(0, 0, 0);
  transform-origin: 50% 50%;
  transition:
    transform var(--project-open-duration) cubic-bezier(0.45, 0, 0.55, 1);
}

.projects-index-link {
  flex: 0 0 auto;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--project-image-ratio, 465 / 348);
  color: inherit;
  text-decoration: none;
  -webkit-user-drag: none;
  transform: translate3d(0, 0, 0);
  transform-origin: 50% 50%;
  backface-visibility: hidden;
}

.projects-index-row.is-collapsing .projects-index-link {
  transition-duration: var(--project-close-duration);
  transition-timing-function: cubic-bezier(0.76, 0, 0.24, 1);
}

.projects-index-row.is-collapsing .projects-index-primary {
  transition-duration: var(--project-close-duration);
}

.projects-index-row.is-collapsing .projects-index-gallery {
  transition-duration: var(--project-close-duration);
}

.projects-index-row.is-expanding .projects-index-gallery,
.projects-index-row.is-collapsing .projects-index-gallery {
  contain: layout paint;
}

.projects-index-row.is-expanding .projects-index-link,
.projects-index-row.is-collapsing .projects-index-link {
  will-change: transform;
}

.projects-index-row.is-expanded .projects-index-link {
  will-change: transform;
}

.projects-index-image {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #f4f4f4;
}

.projects-index-row.is-expanding .projects-index-link,
.projects-index-row.is-expanded .projects-index-link {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
}

.projects-index-row.is-expanding .projects-index-primary {
  width: var(--project-expanded-width, var(--catalog-image-width));
  height: 100%;
}

.projects-index-row.is-expanded .projects-index-primary {
  width: var(--project-expanded-width, var(--catalog-image-width));
  height: 100%;
}

.projects-index-image.is-missing::before {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #9a9a9a;
  font-size: 13px;
  content: "项目图片待补充";
}

.projects-index-image.is-missing img {
  display: none;
}

.projects-index-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 320ms ease;
}

.projects-index-row.is-expanding .projects-index-image img,
.projects-index-row.is-expanded .projects-index-image img {
  width: auto;
  height: 100%;
  max-width: none;
}

.projects-index-row:not(.is-expanding):not(.is-expanded):not(.is-collapsing)
  .projects-index-link:hover .projects-index-image img {
  transform: scale(1.012);
}

.projects-index-gallery-spacer {
  display: none;
  flex: 0 0 auto;
  width: 0;
  height: 1px;
}

.projects-index-row.is-expanding .projects-index-gallery-spacer,
.projects-index-row.is-expanded .projects-index-gallery-spacer {
  display: block;
}

.projects-index-inline-track {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  align-items: flex-start;
  gap: 64px;
  opacity: 0;
  transform: translateX(18px);
  transition:
    opacity var(--project-content-duration) var(--project-content-delay) ease,
    transform var(--project-content-duration) var(--project-content-delay) ease;
}

.projects-index-row.is-expanded .projects-index-inline-track {
  opacity: 1;
  transform: translateX(0);
}

.projects-index-row.is-collapsing .projects-index-inline-track,
.projects-index-row.is-collapsing .projects-index-inline-meta {
  opacity: 0;
  transition-delay: 0ms;
}

.projects-index-row.is-collapsing .projects-index-inline-track {
  transform: translateX(18px);
}

.projects-index-row.is-collapsing .projects-index-inline-meta {
  transform: translateX(-18px);
}

.projects-index-inline-item {
  flex: 0 0 auto;
}

.projects-index-inline-image {
  width: auto;
  height: var(--project-expanded-height);
  max-width: none;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.projects-index-inline-description {
  width: 260px;
  max-height: var(--project-expanded-height);
  margin: 0;
  color: #0B0B0B;
  font-size: 14px;
  line-height: 1.5;
  white-space: normal;
  overflow-y: auto;
  scrollbar-width: none;
}

.projects-index-inline-description::-webkit-scrollbar {
  display: none;
}

.projects-index-gallery-tail {
  flex: 0 0 70vw;
  width: 70vw;
  height: 1px;
}

body.projects-index-active {
  overflow: hidden;
}

@media (min-width: 901px) and (max-height: 700px) {
  .projects-filter {
    top: 12px;
  }

  .projects-filter-heading-secondary {
    margin-top: 18px;
  }

  .projects-filter-group {
    margin-top: 14px;
  }

  .projects-filter-group li + li {
    margin-top: 18px;
  }

  .projects-index-list {
    padding-top: 16px;
    padding-bottom: 32px;
  }

  .projects-index-row:not(:last-child) {
    margin-bottom: 24px;
  }

  .projects-index-inline-meta {
    margin-top: 16px;
  }

  .projects-index-inline-facts {
    gap: 10px;
    margin-top: 14px;
  }

  .projects-index-inline-description {
    line-height: 1.45;
  }
}

@media (max-width: 1199px) {
  .projects-filter {
    left: 24px;
    width: 220px;
  }
}

@media (max-width: 900px) {
  .projects-index {
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #b8b8b8 transparent;
  }

  .projects-index::-webkit-scrollbar {
    display: block;
    width: 6px;
  }

  .projects-index::-webkit-scrollbar-track {
    background: transparent;
  }

  .projects-index::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    border-radius: 999px;
    background: #b8b8b8;
    background-clip: padding-box;
  }

  .projects-filter {
    position: static;
    width: auto;
    margin: 22px 24px 0;
  }

  .projects-index.has-expanded-project .projects-filter {
    display: none;
  }

  .projects-filter-heading {
    max-width: 232px;
  }

  .projects-index-scroller {
    height: auto;
    overflow: visible;
  }

  .projects-index-list {
    width: auto;
    margin: 0 24px;
    padding-top: 48px;
    opacity: 1 !important;
    transform: none !important;
  }

  .projects-index-row {
    grid-template-columns: minmax(0, 1fr) 44px;
    column-gap: 18px;
    width: 100%;
  }

  .projects-index-row.is-expanding,
  .projects-index-row.is-expanded {
    width: 100%;
    grid-template-columns: minmax(0, 1fr) 44px;
  }

  .projects-index-row:not(:last-child) {
    margin-bottom: 44px;
  }

  .projects-index-copy {
    width: auto;
    justify-self: stretch;
    align-self: center;
    padding: 0;
    text-align: left;
  }

  .projects-index-row.is-expanding .projects-index-primary .projects-index-copy,
  .projects-index-row.is-expanded .projects-index-primary .projects-index-copy {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
  }

  .projects-index-copy p {
    margin-top: 8px;
  }

  .projects-index-arrow {
    grid-column: 2;
    grid-row: 1;
  }

  .projects-index-gallery {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    height: auto;
    margin-top: 18px;
    overflow: hidden;
    aspect-ratio: var(--project-image-ratio, 465 / 348);
  }

  .projects-index-row.is-expanding .projects-index-gallery,
  .projects-index-row.is-expanded .projects-index-gallery {
    display: block;
    width: 100%;
    height: auto;
    margin-left: 0;
    aspect-ratio: auto;
    overflow: visible;
    cursor: default;
  }

  .projects-index-link {
    width: 100%;
    height: 100%;
    aspect-ratio: var(--project-image-ratio, 465 / 348);
  }

  .projects-index-primary {
    display: flex;
    width: 100%;
    height: auto;
    flex-direction: column;
    aspect-ratio: var(--project-image-ratio, 465 / 348);
  }

  .projects-index-row.is-expanding .projects-index-primary,
  .projects-index-row.is-expanding .projects-index-link,
  .projects-index-row.is-expanded .projects-index-primary,
  .projects-index-row.is-expanded .projects-index-link {
    width: 100%;
    height: auto;
    aspect-ratio: auto;
  }

  .projects-index-row.is-expanding .projects-index-primary .projects-index-copy,
  .projects-index-row.is-expanded .projects-index-primary .projects-index-copy {
    order: -1;
    margin-bottom: 18px;
  }

  .projects-index-row.is-expanding .projects-index-image,
  .projects-index-row.is-expanding .projects-index-image img,
  .projects-index-row.is-expanded .projects-index-image,
  .projects-index-row.is-expanded .projects-index-image img {
    width: 100%;
    height: auto;
  }

  .projects-index-gallery-spacer,
  .projects-index-row.is-expanding .projects-index-gallery-spacer,
  .projects-index-row.is-expanded .projects-index-gallery-spacer,
  .projects-index-gallery-tail {
    display: none;
  }

  .projects-index-inline-track {
    display: flex;
    width: 100%;
    margin-top: 24px;
    flex-direction: column;
    gap: 24px;
  }

  .projects-index-inline-image {
    width: 100%;
    height: auto;
    max-width: 100%;
  }

  .projects-index-inline-description {
    width: 100%;
    max-height: none;
    overflow: visible;
  }

  .projects-index-inline-meta {
    margin-top: 20px;
  }
}

@media (max-width: 767px) {
  .projects-filter {
    position: sticky;
    z-index: 3;
    top: 0;
    width: 100%;
    margin: 0;
    padding: 18px 20px 14px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.98);
  }

  .projects-filter-list {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: clamp(10px, 3.8vw, 20px);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
  }

  .projects-filter-list::-webkit-scrollbar {
    display: none;
  }

  .projects-filter-list:has(> .projects-filter-section.is-selected > .projects-filter-group) {
    padding-bottom: 54px;
  }

  .projects-filter-section {
    position: static;
    flex: 0 0 auto;
  }

  .projects-filter-heading,
  .projects-filter-heading[aria-controls],
  .projects-filter-heading-leaf {
    display: flex;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0 0 6px;
    color: #838383;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
  }

  .projects-filter-heading i,
  .projects-filter-heading::before {
    display: none;
  }

  .projects-filter-section.is-selected > .projects-filter-heading {
    color: #0B0B0B;
    font-size: 16px;
    font-weight: 600;
    box-shadow: none;
  }

  .projects-filter-group,
  .projects-filter-group[hidden] {
    display: none !important;
  }

  .projects-filter-section.is-selected > .projects-filter-group,
  .projects-filter-section.is-selected > .projects-filter-group[hidden] {
    position: absolute;
    top: 40px;
    left: 0;
    display: flex !important;
    width: 100%;
    margin: 0;
    gap: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
  }

  .projects-filter-section.is-selected > .projects-filter-group::-webkit-scrollbar {
    display: none;
  }

  .projects-filter-group li {
    flex: 0 0 auto;
  }

  .projects-filter-group li + li {
    margin-top: 0;
  }

  .projects-filter-group button {
    border: 1px solid #e5e5e5;
    border-radius: 999px;
    padding: 7px 14px;
    color: #6f6f6f;
    background: #f5f5f5;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
  }

  .projects-filter-group .active {
    border-color: var(--red);
    color: #fff;
    background: var(--red);
    box-shadow: none;
  }

  .projects-index-list {
    padding-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .projects-index-inline-close {
    transition: none;
  }

  .projects-index-list {
    opacity: 1 !important;
    transform: none !important;
  }

  .projects-index .projects-filter,
  .projects-index .projects-index-row,
  .projects-index .projects-index-copy,
  .projects-index .projects-index-arrow,
  .projects-index-primary,
  .projects-index-link,
  .projects-index-image,
  .projects-index-gallery,
  .projects-index-gallery-spacer,
  .projects-index-image img,
  .projects-index-inline-track,
  .projects-index-inline-item,
  .projects-index-inline-meta {
    transition: none;
  }
}