@font-face {
  font-family: "HarmonyOS Sans SC";
  src: url("./fonts/HarmonyOS-Sans-SC-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "HarmonyOS Sans SC";
  src: url("./fonts/HarmonyOS-Sans-SC-Light.ttf") format("truetype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "HarmonyOS Sans SC";
  src: url("./fonts/HarmonyOS-Sans-SC-Medium.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("./fonts/IBMPlexSans-LightItalic.ttf") format("truetype");
  font-style: italic;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("./fonts/IBMPlexSans-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --白: #f4f4f4;
  --黑: #111111;
  --灰字: #6f6f6f;
  --灰线: #a9a9a9;
  --灰框: #dedede;
  --灰框线: #b5b5b5;
  --边距: 50px;
  --详情边距: clamp(70px, 6vw, 110px);
  --页头: 80px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--白);
  color: var(--黑);
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@keyframes text-slide-in {
  from {
    opacity: 0;
    transform: translateX(calc(100vw - var(--边距) * 2));
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes frame-slide-in {
  from {
    opacity: 0;
    transform: translateX(-120px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes detail-frame-slide-in {
  from {
    opacity: 0;
    transform: translateY(90px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.text-enter {
  animation: text-slide-in 1200ms cubic-bezier(0.12, 0.86, 0.18, 1) both;
}

.frame-enter {
  animation: frame-slide-in 980ms cubic-bezier(0.12, 0.86, 0.18, 1) both;
}

.detail-frame-enter {
  animation: detail-frame-slide-in 1050ms cubic-bezier(0.12, 0.86, 0.18, 1) both;
}

a {
  color: inherit;
  text-decoration: none;
}

.back-to-top {
  position: fixed;
  right: 50px;
  bottom: 40px;
  z-index: 12;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: #000000;
  cursor: pointer;
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 18px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 280ms ease,
    transform 360ms cubic-bezier(0.16, 1, 0.3, 1),
    color 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  color: var(--灰字);
}

.project-back {
  position: fixed;
  bottom: 40px;
  left: 50px;
  z-index: 12;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: #000000;
  cursor: pointer;
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 18px;
  font-weight: 800;
}

.project-back:hover,
.project-back:focus-visible {
  color: var(--灰字);
}

.header {
  position: fixed;
  isolation: isolate;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  min-height: auto;
  grid-template-columns: auto 1fr;
  gap: 65px;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 40px 50px 0;
  background: transparent;
}

.header::before {
  position: absolute;
  z-index: -1;
  top: -10px;
  right: 0;
  bottom: -10px;
  left: 0;
  background: rgba(244, 244, 244, 0.96);
  backdrop-filter: blur(8px);
  content: "";
}

.name {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.header nav {
  display: flex;
  gap: 40px;
}

.header nav a {
  position: relative;
  padding: 5px 0;
}

.header nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--黑);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.header nav a:hover::after,
.header nav a.is-active::after {
  transform: scaleX(1);
}

.header nav a.is-active {
  color: var(--灰字);
}

main {
  padding-top: var(--页头);
}

.works,
.about,
.contact {
  width: calc(100% - var(--边距) * 2);
  margin-right: var(--边距);
  margin-left: var(--边距);
  padding-right: 0;
  padding-left: 0;
}

.works {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
  row-gap: 50px;
  justify-content: start;
  padding-bottom: 100px;
}

.works-intro {
  display: grid;
  grid-column: 1 / -1;
  min-height: 0;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: end;
  padding: 100px 0 72px;
}

.works-intro h1,
.works-intro p {
  margin: 0;
}

.works-intro h1 {
  font-size: 50px;
  font-weight: 400;
  line-height: 1.16;
}

.home-type-text {
  min-height: 2.32em;
  white-space: normal;
}

.home-type-text__content {
  display: inline;
}

.home-type-text__cursor {
  display: inline-block;
  margin-left: 0.25em;
  animation: home-cursor-blink 900ms ease-in-out infinite;
}

@keyframes home-cursor-blink {
  0%,
  48% {
    opacity: 1;
  }

  52%,
  100% {
    opacity: 0;
  }
}

.work {
  position: relative;
  display: block;
  min-width: 0;
  padding: 0;
  border-radius: 20px;
  color: inherit;
  outline: none;
  text-decoration: none;
  transition:
    opacity 900ms cubic-bezier(0.12, 0.86, 0.18, 1),
    transform 900ms cubic-bezier(0.12, 0.86, 0.18, 1);
}

.work.reveal-pending {
  opacity: 0;
  transform: translateY(92px);
}

.work.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.work-meta {
  position: absolute;
  z-index: 2;
  bottom: 16px;
  left: 16px;
  display: grid;
  width: auto;
  display: block;
  align-items: end;
  margin: 0;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.76);
  transform-origin: left bottom;
  transition:
    opacity 180ms ease,
    transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.work-meta h2 {
  margin: 0;
  color: #ffffff;
}

.work-meta h2,
.work-meta p {
  margin: 0;
}

.work-meta h2 {
  font-size: 20px;
  font-weight: 500;
}

.frame {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 100% !important;
  height: auto !important;
  aspect-ratio: 7 / 10;
  padding: 0;
  border: 0;
  border-radius: 20px;
  background: var(--灰框);
  color: #686868;
  font-size: 10px;
  transform-origin: center;
  transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.frame::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: inherit;
  background: rgba(35, 35, 35, 0.64);
  content: "";
  opacity: 0;
  transition: opacity 220ms ease;
}

.frame::after {
  content: none;
}

.frame > span {
  display: none;
}

.frame > video,
.frame > img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
}

.work:hover .frame::before,
.work:focus-visible .frame::before {
  opacity: 1;
}

.work:hover .frame,
.work:focus-visible .frame {
  transform: scale(1.025);
}

.work:hover .work-meta,
.work:focus-visible .work-meta {
  opacity: 1;
  transform: scale(1);
}

.frame-wide {
  aspect-ratio: 7 / 10;
}

.frame-video {
  aspect-ratio: 7 / 10;
}

.frame-landscape {
  aspect-ratio: 7 / 10;
}

.frame-portrait {
  aspect-ratio: 7 / 10;
}

.frame-square {
  aspect-ratio: 7 / 10;
}

.works .frame {
  aspect-ratio: 16 / 9;
}

.work-full .frame,
.work-full .frame-set {
  width: 100%;
}

.work-right .frame,
.work-right .frame-set {
  width: 100%;
  margin: 0;
}

.work-left .frame,
.work-left .frame-set {
  width: 100%;
}

.frame-mid {
  width: 100% !important;
}

.frame-small {
  width: 100% !important;
}

.frame-set {
  display: grid;
  gap: 12px;
  align-items: end;
}

.book-set {
  grid-template-columns: 0.62fr 1fr;
}

.square-set {
  grid-template-columns: 1fr 1fr;
}

.about,
.contact {
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 100px;
}

.section-label {
  display: flex;
  justify-content: space-between;
  padding-bottom: 12px;
}

.section-label h2,
.section-label h1,
.section-label span {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
}

.section-label span {
  color: var(--灰字);
}

.contact-lead {
  max-width: 1200px;
  margin: 70px 0 0;
  font-size: clamp(34px, 5vw, 78px);
  line-height: 1.25;
}

.contact-lead {
  font-size: 18px;
}

.about-profile {
  max-width: 100%;
  margin-top: 74px;
  display: grid;
  grid-template-columns: minmax(520px, 1fr) minmax(420px, 0.82fr);
  gap: clamp(72px, 9vw, 160px);
  align-items: end;
}

.about-profile-copy {
  display: grid;
}

.about-profile-text {
  display: grid;
  gap: 18px;
  max-width: 860px;
}

.about-profile p {
  margin: 0;
  font-size: 20px;
  line-height: 2.05;
  font-weight: 300;
  color: var(--黑);
}

.about-profile .about-profile-role {
  max-width: 720px;
  margin-bottom: 32px;
  font-size: 28px;
  line-height: 1.55;
}

.about-profile .about-profile-education {
  max-width: 860px;
  margin-top: 28px;
}

.about-profile .about-profile-name {
  font-size: clamp(72px, 8vw, 132px);
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: 0;
}

.about-profile .about-profile-en {
  font-family: "IBM Plex Sans", "HarmonyOS Sans SC", Arial, sans-serif;
  font-size: clamp(56px, 6vw, 96px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: 0;
}

.about-contact-mini {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  color: var(--黑);
}

.about-contact-mini div {
  display: grid;
  grid-template-columns: 48px auto;
  gap: 18px;
  align-items: baseline;
}

.about-contact-mini dt,
.about-contact-mini dd {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
  font-weight: 300;
}

.about-contact-mini dd {
  color: var(--灰字);
}

.about-photo {
  margin: 0;
  align-self: end;
}

.about-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.contact-lead {
  font-size: 18px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  margin-top: 18vh;
  padding-top: 12px;
}

.about-grid h2,
.about-grid h3 {
  margin: 0 0 24px;
  font-size: 11px;
  font-weight: 400;
}

.about-grid p {
  margin: 0;
  color: var(--灰字);
}

.contact {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
}

.contact-qr {
  width: 180px;
  margin: 34px 0 0;
}

.contact-qr img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-list a {
  display: grid;
  grid-template-columns: 0.7fr 1.5fr 24px;
  gap: 20px;
  padding: 13px 0;
}

.contact-list span {
  color: var(--灰字);
}

.contact-list strong {
  font-size: 18px;
  font-weight: 400;
}

.contact-list i {
  font-style: normal;
  text-align: right;
}

footer {
  display: grid;
  min-height: 54px;
  grid-template-columns: 1fr 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 0 var(--边距);
  color: var(--灰字);
  font-size: 10px;
}

footer p {
  margin: 0;
}

.standalone-page {
  width: calc(100% - var(--边距) * 2);
  min-height: 100vh;
  margin-right: var(--边距);
  margin-left: var(--边距);
  padding: 100px 0 100px;
}

.standalone-page h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
}

.standalone-page p {
  margin-top: 28px;
  color: var(--灰字);
  font-size: 18px;
}

.project-archive {
  margin-top: 100px;
}

.project-page .project-archive {
  margin-top: 0;
}

.project-index-system {
  display: block;
}

.project-sections {
  display: grid;
  gap: 84px;
}

.project-section {
  display: grid;
  gap: 50px;
}

.project-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.project-section-head h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 400;
}

.project-arrow {
  position: absolute;
  z-index: 4;
  top: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #d2d2d7;
  color: transparent;
  cursor: pointer;
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 0;
  font-weight: 400;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) scale(0.9);
  transition:
    opacity 180ms ease,
    background 180ms ease,
    transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-arrow::before {
  display: block;
  width: 10px;
  height: 10px;
  border-color: #6e6e73;
  border-style: solid;
  border-width: 3px 3px 0 0;
  content: "";
}

.project-prev {
  left: 18px;
}

.project-prev::before {
  transform: translateX(2px) rotate(225deg);
}

.project-next {
  right: 18px;
}

.project-next::before {
  transform: translateX(-2px) rotate(45deg);
}

.case-viewport.has-prev .project-prev,
.case-viewport.has-next .project-next {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) scale(1);
}

.project-arrow:hover,
.project-arrow:focus-visible {
  background: #e8e8ed;
  transform: translateY(-50%) scale(1.08);
}

.project-arrow:active {
  background: #f5f5f7;
}

.project-case-rows {
  display: grid;
  gap: 15px;
}

.case-viewport {
  position: relative;
  width: calc(100% + var(--边距) + var(--边距));
  overflow: hidden;
  margin-right: calc(0px - var(--边距));
  margin-left: calc(0px - var(--边距));
  padding-right: var(--边距);
  padding-left: var(--边距);
}

.case-track {
  --visible-items: 4;
  --case-gap: 14px;
  display: flex;
  width: 100%;
  gap: var(--case-gap);
  transition: transform 680ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.case-track > .project-range {
  flex: 0 0 calc((100% - (var(--visible-items) - 1) * var(--case-gap)) / var(--visible-items));
}

.case-viewport-grid {
  overflow: visible;
}

.case-viewport-grid .case-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  transform: none !important;
}

.case-viewport-grid .case-track > .project-range {
  flex: none;
  width: 100%;
}

.case-viewport-grid .project-arrow {
  display: none;
}

.project-section-brand .case-track > .project-range {
  aspect-ratio: 16 / 9;
}

.project-section-brand-ratio .case-track > .project-range {
  aspect-ratio: 16 / 9;
}

.project-section-a4 .case-track > .project-range {
  flex-basis: clamp(230px, 24vw, 320px);
  aspect-ratio: 210 / 297;
}

.project-range {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  min-height: 96px;
  border-radius: 20px;
  background: var(--灰框);
  outline: none;
  transform-origin: center;
  transition:
    opacity 760ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 760ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.project-range.range-reveal-pending {
  opacity: 0;
  transform: translateY(78px);
}

.project-range.range-reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.project-range::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: inherit;
  background: rgba(35, 35, 35, 0.64);
  content: "";
  opacity: 0;
  transition: opacity 220ms ease;
}

.project-range > video,
.project-range > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--灰框);
}

.project-range span {
  position: absolute;
  z-index: 2;
  bottom: 12px;
  left: 12px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 500;
  opacity: 0;
  transform: scale(0.76);
  transform-origin: left bottom;
  transition:
    opacity 180ms ease,
    transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-range span.ibm-plex-bold {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
}

.project-range:hover,
.project-range:focus-visible {
  z-index: 2;
  transform: translateY(0);
}

.project-range:hover::before,
.project-range:focus-visible::before {
  opacity: 1;
}

.project-range:hover span,
.project-range:focus-visible span {
  opacity: 1;
  transform: scale(1);
}

.project-detail {
  width: calc(100% - var(--详情边距) * 2);
  margin: 0 var(--详情边距);
  padding: 100px 0 120px;
}

.project-detail-intro {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 20px;
  align-items: start;
  padding-top: 50px;
  margin-bottom: 100px;
}

.project-detail-heading {
  grid-column: 1 / span 5;
}

.project-detail-summary {
  grid-column: 7 / -1;
  width: 100%;
  justify-self: stretch;
}

.detail-frame-cover {
  margin-bottom: 0;
}

.video-audio-toggle {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  min-width: 54px;
  height: 34px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: rgba(244, 244, 244, 0.82);
  color: var(--黑);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.video-audio-toggle:hover,
.video-audio-toggle:focus-visible,
.video-audio-toggle.is-on {
  background: var(--黑);
  color: var(--白);
}

.video-audio-toggle:active {
  transform: scale(0.96);
}

.detail-frame > video,
.detail-frame > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-detail-heading p,
.project-detail-heading h1,
.project-detail-summary p,
.project-detail-summary dl {
  margin: 0;
}

.project-detail-heading p {
  margin-bottom: 28px;
  color: var(--灰字);
}

.project-detail-heading h1 {
  font-size: 50px;
  font-weight: 400;
  line-height: 1;
}

.project-detail-summary {
  display: grid;
  gap: 50px;
  padding-top: 0;
}

.project-detail-summary > p {
  width: 100%;
  max-width: none;
  font-size: 21px;
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: 0;
}

.project-detail-summary dl {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.project-detail-summary dl div {
  display: grid;
  gap: 8px;
}

.project-detail-summary dt {
  color: var(--灰字);
}

.project-detail-summary dt .meta-en {
  font-family: "IBM Plex Sans", sans-serif;
  font-style: italic;
  font-weight: 300;
}

.project-detail-summary dd {
  margin: 0;
}

.project-detail-media {
  display: grid;
  gap: 40px;
}

.detail-frame {
  position: relative;
  min-height: 280px;
  margin: 0;
  overflow: hidden;
  border-radius: 20px;
  background: var(--灰框);
  transition:
    opacity 900ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 1050ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.detail-frame.detail-reveal-pending {
  opacity: 0;
  transform: translateY(96px);
}

.detail-frame.detail-reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.detail-frame-hero {
  aspect-ratio: 16 / 9;
}

.exhibition-detail .project-detail-intro {
  margin-bottom: 80px;
}

.exhibition-hero-image {
  margin: 0 0 80px;
}

.exhibition-hero-image img {
  object-fit: cover;
}

.exhibition-story {
  width: 100%;
  margin-bottom: 80px;
}

.exhibition-story-art {
  margin: 0;
}

.exhibition-story-art img,
.exhibition-story-art video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

.exhibition-story-art.is-empty {
  background: var(--灰框);
}

.exhibition-generated {
  display: grid;
  gap: 80px;
}

.exhibition-generated-frame {
  aspect-ratio: 16 / 9;
}

.exhibition-generated-frame img {
  object-fit: cover;
}

.detail-frame-wide {
  aspect-ratio: 2 / 1;
}

.detail-frame-large {
  aspect-ratio: 16 / 9;
}

.detail-frame-cinema {
  aspect-ratio: 21 / 9;
}

.motion-detail-media {
  gap: 100px;
}

.ibm-plex-title {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
}

.brand-detail-media {
  gap: 60px;
}

.detail-frame-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.detail-frame-pair-vertical .detail-frame {
  aspect-ratio: 3 / 4;
  border-radius: 20px;
  clip-path: inset(0 round 20px);
}

.detail-frame-pair-vertical .detail-frame > img {
  border-radius: inherit;
}

.detail-frame-pair-native .detail-frame {
  aspect-ratio: 11039 / 8100;
}

.detail-frame-portrait {
  aspect-ratio: 4 / 5;
}

.detail-frame-pair-wide .detail-frame {
  aspect-ratio: 4 / 3;
}

@media (max-width: 760px) {
  .header {
    grid-template-columns: auto 1fr;
    gap: 65px;
  }

  .works-intro {
    min-height: 28vh;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .works-intro p:last-child {
    text-align: left;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .case-track {
    --visible-items: 2;
  }

  .project-section-head h2 {
    font-size: 28px;
  }

  .project-detail-intro {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .project-detail-heading,
  .project-detail-summary {
    grid-column: 1;
  }

  .project-detail-heading h1 {
    font-size: 40px;
  }

  .project-detail-summary {
    padding-top: 0;
  }

  .project-detail-summary dl,
  .detail-frame-pair {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr auto;
  }

  footer p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 480px) {
  :root {
    --详情边距: 24px;
  }

  .book-set,
  .square-set {
    grid-template-columns: 1fr 1fr;
  }

  .contact-list a {
    grid-template-columns: 1fr 20px;
  }

  .contact-list span {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

}