:root {
  --paper: #f6f1e8;
  --ink: #40352a;
  --muted: #8d7d68;
  --green: #8d9b78;
  --green-deep: #6f7e5f;
  --star-blue: #07465f;
  --line: rgba(64, 53, 42, 0.18);
  --button-bg: var(--star-blue);
  --button-fg: #fff;
  --max: 1180px;
  --font-display: "Instrument Serif", serif;
  --font-body: "Inter", var(--font-en), var(--font-cn);
  --font-en: "DIN", "DIN 2014", "DIN Alternate", "DIN Condensed", "Bahnschrift", "Arial Narrow", sans-serif;
  --font-cn: "PingFang SC", "苹方-简", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(141, 155, 120, 0.22), transparent 22rem),
    radial-gradient(circle at 84% 28%, rgba(196, 151, 91, 0.14), transparent 24rem),
    var(--paper);
  font-family: var(--font-en), var(--font-cn);
  font-weight: 300;
  line-height: 1.9;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  opacity: 0.38;
  background-image:
    linear-gradient(90deg, transparent 0 78px, rgba(64, 53, 42, 0.04) 79px),
    linear-gradient(transparent 0 78px, rgba(64, 53, 42, 0.035) 79px);
  background-size: 80px 80px;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header {
  position: fixed;
  top: 20px;
  left: 50%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1280px, calc(100% - 64px));
  padding: 18px 28px;
  color: #fff;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transform: translateX(-50%);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header.is-scrolled {
  color: var(--ink);
  background: transparent;
  box-shadow: none;
}

.header.is-scrolled .logo-image {
  filter: none;
}

.header.is-over-footer {
  color: #fff;
}

.header.is-over-footer .logo-image {
  filter: invert(1) brightness(1.8);
}

.header.is-over-footer .logo {
  opacity: 0;
  pointer-events: none;
}

.logo {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.logo-image {
  width: 56px;
  height: 72px;
  object-fit: contain;
  filter: invert(1) brightness(1.8);
}

.logo-mark {
  position: relative;
  display: block;
  width: 58px;
  height: 58px;
  background: transparent;
}

.logo-mark::before {
  position: absolute;
  left: 7px;
  bottom: 7px;
  width: 31px;
  height: 35px;
  content: "";
  background: var(--ink);
  border-radius: 48% 52% 46% 54% / 58% 42% 58% 42%;
  transform: rotate(-20deg);
  box-shadow:
    10px 3px 0 -3px var(--ink),
    18px 9px 0 -7px var(--ink),
    -7px 11px 0 -8px var(--ink);
}

.logo-mark::after {
  position: absolute;
  top: 4px;
  left: 25px;
  width: 17px;
  height: 17px;
  content: "";
  background: var(--green-deep);
  clip-path: polygon(50% 0, 62% 36%, 100% 50%, 62% 64%, 50% 100%, 38% 64%, 0 50%, 38% 36%);
}

.logo-mark i {
  position: absolute;
  left: 29px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--ink);
  border-radius: 50%;
  box-shadow: 13px 2px 0 -2px var(--ink), 19px 9px 0 -4px var(--ink);
}

.nav {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.nav a {
  opacity: 0.78;
  transition: opacity 0.22s ease, color 0.22s ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current="page"] {
  opacity: 1;
}

.nav-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: currentColor;
}

.nav-icon::before,
.nav-icon::after {
  content: "";
  display: block;
}

.mail-icon::before {
  width: 22px;
  height: 22px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3.5' y='5.5' width='17' height='13' rx='1.8'/%3E%3Cpath d='M4.2 6.5 12 13l7.8-6.5'/%3E%3Cpath d='m4.5 18 5.5-5'/%3E%3Cpath d='m19.5 18-5.5-5'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3.5' y='5.5' width='17' height='13' rx='1.8'/%3E%3Cpath d='M4.2 6.5 12 13l7.8-6.5'/%3E%3Cpath d='m4.5 18 5.5-5'/%3E%3Cpath d='m19.5 18-5.5-5'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat;
}

.mail-icon::after {
  display: none;
}

.wechat-icon::before {
  width: 23px;
  height: 23px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 64 64' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M25.5 13C12.5 13 3 20.5 3 30.1c0 5.4 3.1 10.2 8.1 13.3L8.8 51l8.5-4.3c2.5.7 5.2 1.1 8.2 1.1 13 0 22.5-7.5 22.5-17.7S38.5 13 25.5 13Zm-8.2 14.2a3 3 0 1 1 0-6 3 3 0 0 1 0 6Zm16.3 0a3 3 0 1 1 0-6 3 3 0 0 1 0 6Z'/%3E%3Cpath d='M61 39.3c0-8.2-7.7-14.9-18.2-15.7.9 2 1.4 4.2 1.4 6.5 0 10.4-9.6 18.7-22.4 20.4 3.4 4.3 9.5 7.2 16.5 7.2 2.5 0 4.8-.3 7-1l7 3.5-1.9-6.2C56.9 51.2 61 45.8 61 39.3Zm-25.4-2.4a2.5 2.5 0 1 1 0-5 2.5 2.5 0 0 1 0 5Zm15.1 0a2.5 2.5 0 1 1 0-5 2.5 2.5 0 0 1 0 5Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 64 64' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M25.5 13C12.5 13 3 20.5 3 30.1c0 5.4 3.1 10.2 8.1 13.3L8.8 51l8.5-4.3c2.5.7 5.2 1.1 8.2 1.1 13 0 22.5-7.5 22.5-17.7S38.5 13 25.5 13Zm-8.2 14.2a3 3 0 1 1 0-6 3 3 0 0 1 0 6Zm16.3 0a3 3 0 1 1 0-6 3 3 0 0 1 0 6Z'/%3E%3Cpath d='M61 39.3c0-8.2-7.7-14.9-18.2-15.7.9 2 1.4 4.2 1.4 6.5 0 10.4-9.6 18.7-22.4 20.4 3.4 4.3 9.5 7.2 16.5 7.2 2.5 0 4.8-.3 7-1l7 3.5-1.9-6.2C56.9 51.2 61 45.8 61 39.3Zm-25.4-2.4a2.5 2.5 0 1 1 0-5 2.5 2.5 0 0 1 0 5Zm15.1 0a2.5 2.5 0 1 1 0-5 2.5 2.5 0 0 1 0 5Z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.wechat-icon::after {
  display: none;
}

.wechat-qr {
  position: absolute;
  top: calc(100% + 14px);
  right: -14px;
  z-index: 20;
  width: 168px;
  height: 168px;
  padding: 10px;
  pointer-events: none;
  background: #fff;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.16);
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.wechat-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wechat-icon:hover .wechat-qr,
.wechat-icon:focus-visible .wechat-qr {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.menu {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 120px 24px 96px;
  overflow: hidden;
  color: #fff;
  background: hsl(201 100% 13%);
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: calc(100svh - 216px);
  place-items: center;
  align-content: center;
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  max-width: 1120px;
  margin: 0;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 126px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero-title em {
  color: rgba(255, 255, 255, 0.66);
  font-style: normal;
}

.hero-subtext {
  max-width: 680px;
  margin: 32px auto 0;
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.9;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  min-height: 60px;
  margin-top: 46px;
  padding: 0 54px;
  color: var(--button-fg);
  background: var(--button-bg);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 16px;
  transition: transform 0.25s ease;
}

.hero-cta:hover {
  transform: scale(1.03);
}

.liquid-glass {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.01);
  background-blend-mode: luminosity;
  border: none;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.liquid-glass::before {
  position: absolute;
  inset: 0;
  content: "";
  padding: 1.4px;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.15) 20%,
    rgba(255, 255, 255, 0) 40%,
    rgba(255, 255, 255, 0) 60%,
    rgba(255, 255, 255, 0.15) 80%,
    rgba(255, 255, 255, 0.45) 100%
  );
  border-radius: inherit;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.animate-fade-rise {
  animation: fade-rise 0.8s ease-out both;
}

.animate-fade-rise-delay {
  animation: fade-rise 0.8s ease-out 0.2s both;
}

.animate-fade-rise-delay-2 {
  animation: fade-rise 0.8s ease-out 0.4s both;
}

.section {
  width: min(var(--max), calc(100% - 72px));
  margin: 0 auto;
  padding: 110px 0;
}

.concept {
  display: grid;
  grid-template-columns: 0.9fr 0.8fr 1fr;
  gap: 58px;
  align-items: center;
}

.concept-image {
  min-height: 500px;
}

.organic-shape {
  width: 100%;
  height: 500px;
  background:
    linear-gradient(rgba(64, 53, 42, 0.04), rgba(64, 53, 42, 0.04)),
    url("assets/yongle-installation.jpg") center / cover;
  border-radius: 48% 52% 44% 56% / 55% 38% 62% 45%;
  animation: breathe 8s ease-in-out infinite;
}

.concept-heading span,
.title span {
  display: inline-block;
  color: var(--green-deep);
  font-family: var(--font-en), var(--font-cn);
  font-size: 18px;
  font-weight: 400;
}

.concept-heading h1 {
  margin: 18px 0 0;
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0.06em;
  writing-mode: vertical-rl;
}

.concept-text {
  color: #5e5042;
  font-size: 16px;
}

.title {
  margin: 0;
  font-size: clamp(52px, 8vw, 112px);
  font-family: var(--font-en), var(--font-cn);
  font-weight: 400;
  line-height: 1;
}

.section-lead {
  margin: 20px 0 44px;
  color: var(--muted);
  font-family: var(--font-en), var(--font-cn);
  font-size: 32px;
  line-height: 1.45;
}

.works {
  position: relative;
}

.works .title {
  text-align: center;
}

.works .title span {
  position: relative;
  color: #111;
  font-family: var(--font-en), var(--font-cn);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: 0.14em;
}

.works .title span::after {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: -10px;
  height: 2px;
  content: "";
  background: #111;
}

.works .section-lead {
  display: none;
}

.works-rail {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: 110px;
  overflow: hidden;
  scrollbar-width: none;
}

.works-rail::-webkit-scrollbar {
  display: none;
}

.works-track {
  display: flex;
  width: max-content;
  gap: clamp(46px, 7vw, 120px);
  padding: 18px 0 34px;
  animation: worksScroll 56s linear infinite;
  will-change: transform;
}

.works-rail:hover .works-track {
  animation-play-state: paused;
}

.work {
  position: relative;
  display: grid;
  gap: 22px;
  width: clamp(290px, 31vw, 430px);
  overflow: visible;
  background: transparent;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.work:nth-child(2n) {
  margin-top: 34px;
}

.work:nth-child(3n) {
  margin-top: -20px;
}

.work:nth-child(4n) {
  margin-top: 18px;
}

.work img {
  height: clamp(220px, 25vw, 340px);
  border-radius: 48% 52% 44% 56% / 54% 40% 60% 46%;
  animation: workFloat 6s ease-in-out infinite;
  transition: transform 0.55s ease, filter 0.35s ease, border-radius 0.55s ease;
}

.work:nth-child(2n) img {
  border-radius: 42% 58% 52% 48% / 47% 57% 43% 53%;
  animation-delay: -1.3s;
}

.work:nth-child(3n) img {
  border-radius: 56% 44% 50% 50% / 45% 50% 50% 55%;
  animation-delay: -2.2s;
}

.work-overlay {
  position: static;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  font-family: inherit;
  letter-spacing: normal;
}

.work-overlay strong {
  width: auto;
  display: block;
  padding: 0;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.35;
  background: transparent;
  border-radius: 0;
  text-shadow: none;
}

.work-overlay em {
  width: fit-content;
  padding: 4px 8px;
  color: #fff;
  background: #111;
  border-radius: 0;
  font-family: inherit;
  font-size: 12px;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.14em;
}

.work:hover {
  transform: translateY(-8px);
  box-shadow: none;
}

.work:hover img {
  transform: scale(1.04);
  filter: brightness(0.96);
  border-radius: 54% 46% 42% 58% / 48% 54% 46% 52%;
}

.work .ripple {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1);
  animation: ripple 0.7s ease-out forwards;
}

.more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  min-height: 48px;
  margin-top: 22px;
  padding: 0 24px;
  color: var(--button-fg);
  background: var(--button-bg);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.works .more {
  display: flex;
  width: 210px;
  margin: 38px auto 0;
  background: var(--button-bg);
}

.flow {
  position: relative;
  display: block;
  width: 100%;
  margin: 100px auto 60px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 30%, rgba(111, 126, 95, 0.08), transparent 20rem),
    #f8f7f3;
  border-radius: 0;
}

.flow-copy {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(420px, 1.12fr);
  min-height: 620px;
  padding: 0;
}

.flow-text {
  display: grid;
  align-content: center;
  padding: clamp(64px, 9vw, 130px) clamp(34px, 8vw, 120px);
}

.flow-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 26px 0 8px;
}

.flow-steps b {
  padding: 8px 0;
  color: var(--ink);
  background: transparent;
  border-bottom: 1px solid rgba(64, 53, 42, 0.18);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.flow-copy p {
  max-width: 560px;
  color: #5e5042;
}

.flow-photo {
  min-height: 620px;
  margin: 0;
  overflow: hidden;
}

.flow-photo img {
  filter: saturate(0.88) brightness(1.04);
}

.news {
  text-align: center;
}

.news-list {
  max-width: 860px;
  margin: 8px auto 0;
  border-top: 1px solid var(--line);
  text-align: left;
}

.news-list a {
  position: relative;
  display: grid;
  grid-template-columns: minmax(170px, 220px) 1fr 32px;
  align-items: center;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 300;
}

.news-list a::after {
  justify-self: end;
  content: "→";
  font-size: 15px;
  font-weight: 100;
  line-height: 1;
}

.news-list span {
  display: inline-block;
  color: var(--green-deep);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.news-hero {
  padding-bottom: 8px;
}

.news-detail {
  max-width: 980px;
  padding-top: 120px;
}

.news-meta {
  margin: 0 0 28px;
  color: var(--green-deep);
  font-family: var(--font-en), var(--font-cn);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.news-detail h1 {
  margin: 0 0 42px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 400;
  line-height: 1.35;
}

.news-detail-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}

.news-detail figure {
  margin: 0;
}

.news-detail img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.news-detail-copy {
  padding-top: 8px;
}

.news-detail-copy p {
  margin: 0 0 22px;
  color: #5e5042;
  font-size: 15px;
  line-height: 2;
}

.news .more {
  margin-left: auto;
  margin-right: auto;
}

.column {
  position: relative;
}

.column-photo {
  width: 64%;
  height: 420px;
  margin-left: auto;
  border-radius: 48px;
  overflow: hidden;
}

.column-copy {
  width: min(720px, 90%);
  margin: -70px 0 90px;
  padding: 54px;
  background: rgba(246, 241, 232, 0.88);
  border-radius: 38px;
}

.large-copy {
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.45;
}

.articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 42px;
}

.articles article {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.articles img {
  height: 210px;
  margin-bottom: 18px;
  border-radius: 26px;
}

.articles span {
  color: var(--green-deep);
  font-size: 12px;
}

.articles h3 {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.6;
}

.footer {
  padding: 140px clamp(36px, 7vw, 110px) 40px;
  color: #fff;
  background: var(--star-blue);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(420px, 1.4fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: start;
}

.footer-info {
  max-width: 380px;
}

.footer-label {
  margin: 0 0 42px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  letter-spacing: 0.18em;
}

.footer-info h2 {
  margin: 0 0 42px;
  color: #fff;
  font-family: var(--font-en), var(--font-cn);
  font-size: clamp(42px, 6vw, 84px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.footer-info dl {
  display: grid;
  gap: 22px;
  margin: 0;
}

.footer-info div {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-info div:first-child {
  padding-bottom: 24px;
}

.footer-info div:first-child dd {
  font-size: 20px;
  line-height: 1.55;
}

.footer-info dt {
  color: rgba(255, 255, 255, 0.56);
  font-family: var(--font-en), var(--font-cn);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.footer-info dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  line-height: 1.7;
}

.footer-info a {
  color: inherit;
}

.footer-form {
  display: grid;
  max-width: 960px;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.footer-form label {
  display: grid;
  gap: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.footer-form input,
.footer-form select,
.footer-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 22px;
  outline: none;
}

.footer-form select {
  appearance: none;
  padding-right: 52px;
}

.select-field {
  position: relative;
}

.select-field::after {
  position: absolute;
  right: 22px;
  bottom: 18px;
  width: 8px;
  height: 8px;
  content: "";
  pointer-events: none;
  border-right: 2px solid rgba(255, 255, 255, 0.82);
  border-bottom: 2px solid rgba(255, 255, 255, 0.82);
  transform: rotate(45deg);
}

.footer-form textarea {
  resize: vertical;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: #fff;
}

.contact-button {
  justify-self: start;
  border: 1px solid rgba(255, 255, 255, 0.42);
  padding: 14px 34px;
  color: var(--button-fg);
  background: var(--button-bg);
  border-radius: 999px;
  font-weight: 400;
  cursor: pointer;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 50px;
  font-size: 13px;
  letter-spacing: 0.14em;
}

.copy {
  margin: 64px 0 0;
  font-size: 12px;
  opacity: 0.7;
}

.sub-page {
  padding-top: 118px;
}

.page-hero {
  padding-top: 54px;
  padding-bottom: 22px;
}

.work-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  padding-top: 38px;
}

.work-categories button {
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  font-family: var(--font-en), var(--font-cn);
  font-size: clamp(15px, 2.05vw, 28px);
  font-weight: 400;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color 0.22s ease, opacity 0.22s ease;
}

.work-categories button:hover,
.work-categories button:focus-visible,
.work-categories button.is-active {
  color: var(--ink);
  opacity: 1;
}

.works-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 330px;
  gap: 28px;
}

.works-page-grid .work {
  height: 100%;
}

.works-page-grid .large {
  grid-row: span 2;
}

.works-page-grid .wide {
  grid-column: span 2;
}

.works-page-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  margin: 72px 0 0;
  padding: 0;
}

.works-page-list .work {
  width: 100%;
  height: clamp(270px, 39vw, 465px);
  gap: 0;
  margin: 0;
  overflow: hidden;
  transition: opacity 0.28s ease;
}

.works-page-list .work.fade-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.28s ease;
}

.works-page-list .work:hover,
.works-page-list .work:focus-visible {
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}

.works-page-list .work img {
  width: 100%;
  height: 100%;
  border-radius: 0;
  object-fit: cover;
  animation: none;
  transition: none;
}

.works-page-list .work:hover img,
.works-page-list .work:focus-visible img {
  filter: none;
  transform: none;
  border-radius: 0;
}

.works-page-list .work-overlay {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: grid;
  justify-content: start;
  gap: 8px;
  color: #fff;
  text-align: left;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.46);
}

.works-page-list .work-overlay strong {
  color: inherit;
  font-size: clamp(16px, 1.6vw, 22px);
  font-weight: 400;
}

.works-page-list .work-overlay em {
  padding: 0;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  font-size: 12px;
  letter-spacing: 0.16em;
}

.works-page-list .ripple {
  display: none;
}

.work-detail {
  padding-bottom: 100px;
}

.work-detail-hero {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(360px, 1.28fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: end;
  padding-top: 76px;
  padding-bottom: 54px;
}

.work-detail-hero h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.35;
}

.work-detail-meta {
  display: grid;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-en), var(--font-cn);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.work-detail-intro {
  margin: 0;
  color: #5e5042;
  font-size: 14px;
  line-height: 1.9;
}

.work-gallery {
  display: grid;
  gap: 0;
  width: 100%;
  margin-top: 0;
}

.work-gallery img {
  display: block;
  width: 100%;
  height: 520px;
  max-height: none;
  object-fit: cover;
}

.work-back {
  display: inline-flex;
  margin-top: 44px;
  color: var(--ink);
  font-family: var(--font-en), var(--font-cn);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.flow-detail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.flow-detail article {
  min-height: 300px;
  padding: 34px 26px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--line);
  border-radius: 34px;
}

.flow-detail span {
  color: var(--green-deep);
  font-family: var(--font-en), var(--font-cn);
  font-size: 38px;
}

.flow-detail h2 {
  margin: 30px 0 12px;
}

.contact-page {
  color: #fff;
  background: var(--green-deep);
}

.contact-page .section-lead,
.contact-page .title span {
  color: #fff;
}

.contact-page .footer-form {
  max-width: 980px;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes breathe {
  0%,
  100% {
    border-radius: 48% 52% 44% 56% / 55% 38% 62% 45%;
  }
  50% {
    border-radius: 42% 58% 55% 45% / 44% 52% 48% 56%;
  }
}

@keyframes ripple {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(16);
  }
}

@keyframes fade-rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flowLine {
  0%,
  100% {
    opacity: 0.25;
    transform: scaleX(0.65);
  }
  50% {
    opacity: 0.9;
    transform: scaleX(1);
  }
}

@keyframes flowPulse {
  0%,
  100% {
    transform: scale(0.82);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.18);
    opacity: 1;
  }
}

@keyframes organicMask {
  0%,
  100% {
    border-radius: 48% 52% 43% 57% / 55% 43% 57% 45%;
  }
  50% {
    border-radius: 42% 58% 55% 45% / 47% 58% 42% 53%;
  }
}

@keyframes worksScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - clamp(23px, 3.5vw, 60px)));
  }
}

@keyframes workFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@media (max-width: 920px) {
  .header {
    top: 18px;
    left: 16px;
    width: calc(100% - 32px);
    padding: 14px 18px;
    transform: none;
  }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 10;
    display: grid;
    place-content: center;
    width: 100vw;
    min-height: 100svh;
    gap: 28px;
    color: var(--ink);
    background: var(--paper);
    font-size: 15px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .nav a {
    width: fit-content;
    justify-self: center;
    padding: 0;
    border-radius: 0;
    opacity: 0.78;
  }

  .nav a:hover,
  .nav a:focus-visible,
  .nav a[aria-current="page"] {
    opacity: 1;
    color: var(--ink);
    background: transparent;
  }

  .nav .nav-icon {
    width: 24px;
    height: 24px;
  }

  body.menu-open .nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 11;
    display: grid;
    gap: 5px;
    width: 38px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .menu span {
    display: block;
    height: 2px;
    background: currentColor;
  }

  .hero {
    min-height: 100svh;
    padding: 110px 22px 72px;
  }

  .hero-content {
    min-height: calc(100svh - 182px);
  }

  .hero-title {
    font-size: clamp(54px, 14vw, 84px);
  }

  .hero-subtext {
    font-size: 15px;
  }

  .flow-copy {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-info {
    max-width: none;
  }

  .concept,
  .flow,
  .articles,
  .works-page-grid,
  .flow-detail,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .works-page-grid .large,
  .works-page-grid .wide {
    grid-column: auto;
    grid-row: auto;
  }

  .works-page-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .works-page-list .work {
    height: 34.5vw;
    min-height: 210px;
  }

  .work-detail-hero {
    grid-template-columns: 1fr;
  }

  .work-gallery img {
    height: 420px;
  }

  .news-detail-layout {
    grid-template-columns: 1fr;
  }

  .news-detail img {
    height: 320px;
  }

  .concept-heading h1 {
    writing-mode: initial;
  }

  .flow {
    width: 100%;
  }

  .flow-text {
    padding: 70px 28px 42px;
  }

  .flow-photo {
    min-height: 420px;
  }

  .column-photo {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .section {
    width: calc(100% - 36px);
    padding: 76px 0;
  }

  .works {
    width: 100%;
  }

  .works .title,
  .works .section-lead,
  .works .more {
    margin-left: 18px;
  }

  .works .title {
    margin-left: 0;
  }

  .works .section-lead {
    position: static;
    width: fit-content;
    margin: 32px 18px 0 auto;
  }

  .works-rail {
    margin-top: 46px;
  }

  .works-track {
    gap: 42px;
    animation-duration: 22s;
  }

  .work {
    width: 300px;
  }

  .work img {
    height: 230px;
  }

  .works-page-list {
    grid-template-columns: 1fr;
  }

  .works-page-list .work {
    height: 54vw;
    min-height: 240px;
  }

  .work-gallery img {
    height: 360px;
  }

  .news-detail img {
    height: 260px;
  }

  .work-overlay {
    gap: 10px;
  }

  .concept-image,
  .organic-shape {
    min-height: 360px;
    height: 360px;
  }

  .column-copy {
    width: 100%;
    margin: -40px 0 60px;
    padding: 28px;
  }
}