:root {
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Noto Serif TC", "PingFang TC", "Microsoft JhengHei", serif;
  --font-sans: "Avenir Next", "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --shadow-soft: 0 18px 42px rgba(41, 66, 49, 0.1);
  --shadow-strong: 0 26px 68px rgba(41, 66, 49, 0.16);
  --radius-xl: 34px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content-width: min(1080px, calc(100vw - 64px));
  --topbar-live-height: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-second);
  background:
    radial-gradient(circle at top right, rgba(227, 178, 61, 0.18), transparent 34%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(247, 241, 231, 0.95));
  line-height: 1.75;
}

body.lightbox-open {
  overflow: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--color-main);
  color: var(--color-white);
  border-radius: 12px;
}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.18), transparent 36%),
    linear-gradient(160deg, var(--color-main), var(--color-second));
  color: var(--color-white);
  transition: opacity 360ms ease, visibility 360ms ease;
}

.site-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-loader__inner {
  width: min(320px, calc(100vw - 48px));
  text-align: center;
}

.site-loader__art {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
}

.site-loader__art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  animation: loader-breathe 1.5s ease-in-out infinite;
}

.site-loader__name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.3vw, 2.3rem);
  letter-spacing: 0.18em;
}

.site-loader__meta {
  margin: 10px 0 0;
  color: rgba(249, 249, 249, 0.82);
}

@keyframes loader-breathe {
  0%,
  100% {
    transform: scale(0.94);
    opacity: 0.76;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(255, 253, 249, 0.78);
  border-bottom: 1px solid rgba(98, 111, 97, 0.14);
  transition: background 280ms ease, box-shadow 280ms ease;
}

.topbar__inner,
.topbar__expand,
.page-main,
.site-footer__inner,
.lightbox__inner {
  width: var(--content-width);
  margin: 0 auto;
}

.topbar__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  min-height: 80px;
  padding: 14px 0;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.topbar__brand-text {
  min-width: 0;
}

.topbar__logo {
  width: 58px;
  height: 58px;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: inset 0 0 0 1px rgba(206, 70, 39, 0.12);
}

.topbar__brand-text strong,
.footer-brand strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.08rem, 1.8vw, 1.46rem);
  letter-spacing: 0.18em;
}

.topbar__brand-text strong {
  color: var(--color-second);
}

.footer-brand strong {
  color: var(--color-white);
}

.topbar__brand-text span,
.footer-brand span {
  display: block;
  font-size: 0.9rem;
}

.topbar__brand-text span {
  color: var(--color-muted);
  text-wrap: balance;
}

.topbar__brand-meta {
  display: flex;
  flex-wrap: nowrap;
  align-items: baseline;
  gap: 0 8px;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.topbar__brand-divider {
  flex: 0 0 auto;
  color: rgba(98, 111, 97, 0.62);
}

.topbar__brand-en,
.topbar__brand-slogan {
  display: inline;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.topbar__brand-en {
  flex: 0 1 auto;
}

.topbar__brand-slogan {
  flex: 1 1 auto;
}

.footer-brand span {
  color: rgba(249, 249, 249, 0.72);
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.topbar__nav a,
.footer-links a {
  position: relative;
  color: var(--color-muted);
  transition: color 180ms ease;
}

.topbar__nav a::after,
.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--color-main);
  transition: transform 180ms ease;
}

.topbar__nav a:hover,
.footer-links a:hover {
  color: var(--color-main);
}

.topbar__nav a:hover::after,
.footer-links a:hover::after {
  transform: scaleX(1);
}

.section-rail {
  display: none;
}

.section-rail__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: rgba(98, 111, 97, 0.66);
  transition: color 180ms ease, transform 180ms ease;
}

.section-rail__item:hover {
  color: var(--color-main);
}

.section-rail__dot {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  font-size: 1.2rem;
  line-height: 1;
  transform: translateY(-1px);
}

.section-rail__label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  white-space: nowrap;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transform: translateX(-6px);
  transition:
    max-width 220ms ease,
    opacity 180ms ease,
    transform 180ms ease;
}

.section-rail__item.is-active {
  color: var(--color-main);
}

.section-rail__item.is-active .section-rail__dot {
  transform: translateY(-1px) scale(1.18);
}

.topbar__cta,
.button,
.button-secondary,
.button-brand-second {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.topbar__cta,
.button {
  background: var(--color-main);
  color: var(--color-white);
  box-shadow: 0 14px 26px rgba(206, 70, 39, 0.18);
}

.topbar__cta:hover,
.button:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--color-main) 88%, black);
}

.button-secondary {
  border-color: rgba(41, 66, 49, 0.18);
  color: var(--color-second);
  background: rgba(255, 255, 255, 0.72);
}

.button-brand-second {
  background: var(--color-second);
  color: var(--color-white);
  box-shadow: 0 14px 26px rgba(41, 66, 49, 0.18);
}

.button-secondary:hover {
  transform: translateY(-1px);
  border-color: rgba(206, 70, 39, 0.3);
  color: var(--color-main);
}

.button-brand-second:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--color-second) 88%, black);
}

.topbar__expand {
  overflow: hidden;
  max-height: 320px;
  opacity: 1;
  transition:
    max-height 320ms ease,
    opacity 280ms ease,
    padding-bottom 320ms ease;
  padding-bottom: 2px;
}

.topbar__expand-content {
  display: grid;
  gap: 4px;
  padding: 0;
}

.eyebrow {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-main);
}

.topbar__headline,
.hero__headline,
.case-intro__heading h1,
.section-head h1,
.section-head h2,
.section-head h3,
.feature-item h3,
.case-card h3,
.case-focus h2,
.reference-card h3,
.cta-strip h2,
.contact-strip h2,
.faq-card summary span {
  margin: 0;
  font-family: var(--font-serif);
  line-height: 1.22;
}

.topbar__headline {
  max-width: 11ch;
  font-size: clamp(1.7rem, 3vw, 2.75rem);
  text-wrap: balance;
}

.topbar__headline small {
  display: block;
  margin-top: 8px;
  font-family: var(--font-sans);
  font-size: clamp(0.94rem, 1.25vw, 1.05rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-main);
}

.topbar__expand-content p {
  margin: 0;
  color: var(--color-muted);
}

.topbar__hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

.topbar__hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1.56fr) minmax(260px, 0.68fr);
  align-items: start;
  gap: 22px;
  min-width: 0;
  max-width: 1080px;
}

.topbar__copy {
  display: grid;
  gap: 10px;
}

.topbar__story {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.topbar__aside {
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 0;
  padding-left: 18px;
  border-left: 1px solid rgba(98, 111, 97, 0.14);
}

.topbar__story-label {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-main);
}

.topbar__story-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  letter-spacing: 0.08em;
  line-height: 1.34;
  color: var(--color-main);
}

.topbar__info-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 0;
}

.topbar__intro {
  max-width: 100%;
  font-size: clamp(1rem, 1.2vw, 1.18rem);
  line-height: 1.66;
  color: var(--color-second);
}

.topbar__meta-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.topbar__meta-chip {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 0 0 8px;
  border-bottom: 1px solid rgba(98, 111, 97, 0.12);
}

.topbar__meta-chip:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.topbar__meta-chip span {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-main);
}

.topbar__meta-chip strong {
  color: var(--color-second);
  font-size: 0.95rem;
  line-height: 1.4;
}

.capsule-row,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.capsule,
.tag,
.status-pill,
.case-insight-list span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(206, 70, 39, 0.16);
}

.capsule {
  background: rgba(227, 178, 61, 0.12);
  color: var(--color-second);
  min-height: 34px;
  padding: 0 12px;
  font-size: 0.9rem;
}

.tag {
  background: rgba(255, 255, 255, 0.74);
  color: var(--color-main);
  font-size: 0.94rem;
}

.status-pill {
  background: rgba(206, 70, 39, 0.1);
  color: var(--color-main);
  font-size: 0.86rem;
}

.status-pill--muted {
  border-color: rgba(98, 111, 97, 0.16);
  background: rgba(98, 111, 97, 0.08);
  color: var(--color-muted);
}

body.is-compact .topbar {
  background: rgba(255, 253, 249, 0.92);
  box-shadow: 0 16px 38px rgba(41, 66, 49, 0.1);
}

body.is-compact .topbar__expand {
  max-height: 0;
  opacity: 0;
  padding-bottom: 0;
}

body.is-compact .topbar__brand-meta {
  row-gap: 2px;
}

body[data-header-mode="expandable"] .topbar__nav {
  display: none;
}

.page-case-detail .topbar__inner {
  grid-template-columns: minmax(0, 1fr) auto;
}

.page-case-detail .topbar__nav {
  display: none;
}

@media (min-width: 1121px) {
  body[data-header-mode="expandable"] .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .section-rail {
    position: fixed;
    top: 50%;
    left: max(18px, calc((100vw - var(--content-width)) / 2 - 18px));
    z-index: 94;
    display: grid;
    gap: 12px;
    transform: translateY(-50%);
  }

  .section-rail__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    color: rgba(98, 111, 97, 0.66);
    transition: color 180ms ease, transform 180ms ease;
  }

  .section-rail__item:hover {
    transform: translateX(2px);
  }

  .section-rail__item.is-active .section-rail__label,
  .section-rail__item:hover .section-rail__label {
    max-width: 140px;
    opacity: 1;
    transform: translateX(0);
  }
}

.page-main {
  padding: 30px 0 88px;
}

.page-home .page-main {
  padding-top: 18px;
}

.page-case-detail .page-main {
  padding-top: 18px;
}

.page-main > * + * {
  margin-top: 28px;
}

.panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(98, 111, 97, 0.12);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.section,
.feature-card,
.case-focus,
.cta-strip,
.contact-strip {
  padding: clamp(24px, 4vw, 36px);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
}

.section-head p {
  margin: 0;
  max-width: 700px;
  color: var(--color-muted);
}

.home-bridge {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(247, 241, 231, 0.94)),
    rgba(255, 255, 255, 0.82);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(247, 241, 231, 0.94)),
    linear-gradient(160deg, rgba(206, 70, 39, 0.08), rgba(41, 66, 49, 0.08));
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto auto 18px -48px;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: rgba(227, 178, 61, 0.12);
  filter: blur(6px);
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  gap: 30px;
  align-items: start;
}

.hero__headline {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  letter-spacing: 0.08em;
}

.hero__headline small {
  display: block;
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.9vw, 1.26rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-main);
}

.hero__intro {
  margin: 18px 0 0;
  max-width: 760px;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.45vw, 1.12rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero__stack {
  display: grid;
  gap: 16px;
}

.hero__card {
  padding: 24px;
  color: var(--color-white);
  background:
    linear-gradient(170deg, rgba(41, 66, 49, 0.98), rgba(55, 99, 69, 0.96)),
    var(--color-second);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
}

.hero__card dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.hero__card dt {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(249, 249, 249, 0.62);
}

.hero__card dd {
  margin: 4px 0 0;
  font-size: 1.02rem;
}

.hero__meta-grid,
.collection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(98, 111, 97, 0.12);
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.12;
  color: var(--color-second);
}

.metric-card span {
  display: block;
  margin-top: 6px;
  color: var(--color-muted);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-item {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(98, 111, 97, 0.12);
}

.feature-item p,
.case-card p,
.case-focus p,
.reference-card p,
.faq-card p,
.contact-strip p,
.cta-strip p,
.collection-summary p {
  margin: 10px 0 0;
  color: var(--color-muted);
}

.case-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 20px;
  align-items: start;
}

.case-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: clamp(360px, 56svh, 500px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(98, 111, 97, 0.12);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 50% 100%, 0 calc(100% - 22px));
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.case-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 9 / 10;
  min-height: clamp(210px, 30svh, 300px);
  background: rgba(174, 184, 174, 0.2);
}

.case-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 16px 16px 30px;
}

.case-card__flag-head {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  min-height: 54px;
  padding: 0 16px;
  background:
    linear-gradient(120deg, rgba(206, 70, 39, 0.95), rgba(227, 178, 61, 0.92));
  color: var(--color-white);
}

.case-card__flag-line {
  display: block;
  min-width: 0;
  overflow: hidden;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.25;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.case-card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 4px;
}

.case-card__action {
  color: var(--color-second);
  font-weight: 600;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-main);
}

.case-collection-hero {
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.82), rgba(247, 241, 231, 0.94)),
    rgba(255, 255, 255, 0.82);
}

.case-shell {
  display: grid;
  gap: 26px;
}

.case-intro {
  display: grid;
  gap: 24px;
}

.case-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.case-intro__media,
.media-card__thumb {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: rgba(174, 184, 174, 0.24);
}

.case-intro__media img {
  width: 100%;
  height: auto;
  max-height: min(62svh, 540px);
  object-fit: contain;
}

.case-intro__content {
  --case-intro-inset: clamp(14px, 1.6vw, 18px);
  display: grid;
  gap: 14px;
  align-content: start;
  padding: var(--case-intro-inset);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.74), rgba(247, 241, 231, 0.52)),
    rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(98, 111, 97, 0.1);
}

.case-intro__heading {
  display: grid;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(98, 111, 97, 0.12);
}

.case-intro__body {
  display: grid;
  gap: 12px;
}

.case-intro__body > .case-focus,
.case-intro__body > .case-intro__reference {
  padding: 0;
}

.case-focus {
  padding-bottom: 0;
}

.case-focus__points {
  margin: 14px 0 0;
  padding-left: 1.2em;
}

.case-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.reference-card {
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(98, 111, 97, 0.12);
}

.reference-card h3 {
  margin: 0 0 4px;
  font-size: 0.94rem;
  color: var(--color-main);
}

.reference-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.case-reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.case-intro__reference {
  display: grid;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(98, 111, 97, 0.12);
}

.case-intro__reference .section-head {
  margin-bottom: 0;
}

.confidence-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(227, 178, 61, 0.12);
  color: var(--color-muted);
  font-size: 0.94rem;
}

.gallery-panel .section-head {
  margin-bottom: 18px;
}

.gallery-stack {
  display: grid;
  gap: 20px;
}

.gallery-group {
  display: grid;
  gap: 12px;
}

.gallery-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
}

.gallery-group__head h3 {
  margin: 0;
  font-size: 1.02rem;
  color: var(--color-second);
}

.gallery-group__head p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.media-thumb-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 2px 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

.media-thumb-grid::-webkit-scrollbar {
  display: none;
}

.media-thumb-item {
  flex: 0 0 clamp(104px, 11vw, 148px);
  min-width: 0;
  scroll-snap-align: start;
}

.media-thumb-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid rgba(98, 111, 97, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: none;
  cursor: zoom-in;
  transition: transform 160ms ease, border-color 160ms ease;
}

.media-thumb-button:hover {
  transform: translateY(-1px);
  border-color: rgba(206, 70, 39, 0.24);
}

.media-thumb-button img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
}

.media-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.media-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(98, 111, 97, 0.12);
  background: rgba(255, 255, 255, 0.74);
}

.media-card__thumb button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.media-card__thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-card__video iframe {
  display: block;
  width: 100%;
  border: 0;
  aspect-ratio: 16 / 9;
}

.media-card__caption {
  padding: 12px 14px 14px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.faq-stack {
  display: grid;
  gap: 16px;
}

.faq-card {
  padding: clamp(18px, 2.2vw, 24px);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(98, 111, 97, 0.12);
  border-radius: var(--radius-md);
}

.faq-card__question {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
}

.faq-card__question span {
  color: var(--color-main);
  font-size: 1.04rem;
}

.faq-card__question strong {
  color: var(--color-second);
}

.faq-card__answer {
  margin-top: 14px;
}

.cta-strip,
.contact-strip {
  display: grid;
  gap: 16px;
  align-items: center;
}

.cta-strip {
  grid-template-columns: minmax(0, 1.3fr) auto;
  background:
    linear-gradient(160deg, rgba(41, 66, 49, 0.98), rgba(55, 99, 69, 0.96)),
    var(--color-second);
  color: var(--color-white);
}

.cta-strip p {
  color: rgba(249, 249, 249, 0.78);
}

.cta-strip__actions,
.contact-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-strip {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer {
  padding: 0 0 28px;
}

.site-footer__inner {
  padding: 28px clamp(22px, 3vw, 30px);
  border-radius: var(--radius-xl);
  background: rgba(41, 66, 49, 0.98);
  color: var(--color-white);
  box-shadow: var(--shadow-strong);
}

.footer-contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
}

.footer-contact-panel .button-secondary {
  border-color: rgba(249, 249, 249, 0.18);
  color: var(--color-white);
  background: transparent;
}

.footer-contact-panel .button-secondary:hover {
  border-color: rgba(227, 178, 61, 0.42);
  color: var(--color-point);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
  gap: 28px;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand__logo {
  width: 74px;
  height: 74px;
  padding: 10px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: inset 0 0 0 1px rgba(206, 70, 39, 0.08);
}

.footer-main {
  display: grid;
  gap: 16px;
}

.site-footer__intro {
  margin: 12px 0 0;
  max-width: 44rem;
  color: rgba(249, 249, 249, 0.72);
}

.site-footer__meta-list {
  display: grid;
  gap: 10px;
}

.site-footer__meta-item {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(249, 249, 249, 0.08);
}

.site-footer__meta-item span {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(249, 249, 249, 0.62);
}

.site-footer__meta-item strong {
  color: var(--color-white);
  font-weight: 600;
}

.footer-side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
}

.footer-contact-panel {
  display: grid;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(249, 249, 249, 0.1);
}

.footer-contact-panel__copy {
  display: grid;
  gap: 6px;
}

.footer-contact-panel__copy h2 {
  margin: 0;
  font-family: var(--font-serif);
  line-height: 1.22;
}

.footer-contact-panel .eyebrow {
  color: rgba(249, 249, 249, 0.68);
}

.site-footer__subnote {
  width: var(--content-width);
  margin: 14px auto 0;
}

.site-footer__subnote-inner {
  display: grid;
  justify-content: flex-end;
  justify-items: end;
  gap: 4px;
  padding: 0 4px;
  text-align: right;
}

.footer-tikuai {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(98, 111, 97, 0.9);
}

.footer-tikuai a {
  color: inherit;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
  background: rgba(18, 24, 20, 0.94);
}

.lightbox.is-open {
  display: block;
}

.lightbox__inner {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  padding: 16px 0 18px;
}

.lightbox__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--color-white);
}

.lightbox__toolbar-actions {
  display: flex;
  gap: 10px;
}

.lightbox__toolbar button,
.lightbox__nav button {
  min-width: 46px;
  min-height: 46px;
  border: 1px solid rgba(249, 249, 249, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  cursor: pointer;
}

.lightbox__stage-wrap {
  position: relative;
  min-height: 0;
  margin-top: 16px;
}

.lightbox__stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 24px;
  touch-action: none;
  background: rgba(255, 255, 255, 0.03);
}

.lightbox__image {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 100%;
  max-height: 100%;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox__nav button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__nav-prev {
  left: 20px;
}

.lightbox__nav-next {
  right: 20px;
}

.lightbox__caption {
  color: rgba(249, 249, 249, 0.72);
}

@media (max-width: 1120px) {
  body[data-header-mode="expandable"] .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  body[data-header-mode="expandable"].page-home .page-main {
    padding-bottom: 132px;
  }

  .page-case-detail .page-main {
    padding-bottom: 132px;
  }

  .topbar__inner {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 14px;
  }

  .topbar__nav {
    justify-content: flex-start;
    width: 100%;
  }

  body[data-header-mode="expandable"] .topbar__brand {
    grid-column: 1 / 2;
    align-items: flex-start;
  }

  body[data-header-mode="expandable"] .topbar__cta {
    grid-column: 2 / 3;
    justify-self: end;
    width: auto;
    white-space: nowrap;
  }

  .section-rail {
    position: fixed;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 14px);
    z-index: 94;
    display: flex;
    align-items: center;
    gap: 10px;
    width: auto;
    max-width: calc(100vw - 28px);
    margin: 0;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(98, 111, 97, 0.12);
    background: rgba(255, 253, 249, 0.86);
    box-shadow: 0 16px 34px rgba(41, 66, 49, 0.14);
    backdrop-filter: blur(14px);
    transform: translateX(-50%);
    overflow-x: auto;
    scrollbar-width: none;
  }

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

  .section-rail__item {
    flex: 0 0 auto;
  }

  .section-rail__item.is-active .section-rail__label,
  .section-rail__item:hover .section-rail__label {
    max-width: 120px;
    opacity: 1;
    transform: translateX(0);
  }

  .topbar__hero,
  .hero__grid,
  .split-grid,
  .case-intro__grid,
  .cta-strip,
  .contact-strip,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .case-intro__content {
    --case-intro-inset: 16px;
    padding: 16px;
  }

  .topbar__hero-main {
    grid-template-columns: 1fr;
  }

  .topbar__aside {
    padding-left: 0;
    border-left: 0;
    padding-top: 8px;
    border-top: 1px solid rgba(98, 111, 97, 0.12);
  }
}

@media (max-width: 860px) {
  body[data-header-mode="expandable"] .topbar__cta {
    min-height: 42px;
    padding: 0 16px;
  }

  .topbar__logo {
    width: 54px;
    height: 54px;
    padding: 7px;
    border-radius: 16px;
  }

  .topbar__brand-text strong {
    font-size: clamp(1rem, 3.8vw, 1.3rem);
    letter-spacing: 0.12em;
  }

  .topbar__brand-text span {
    font-size: 0.82rem;
    line-height: 1.4;
  }

  .topbar__brand-meta {
    gap: 0 6px;
  }

  .topbar__nav {
    gap: 12px 18px;
  }

  .topbar__nav a {
    font-size: 0.98rem;
  }

  .feature-list,
  .hero__meta-grid,
  .collection-grid {
    grid-template-columns: 1fr;
  }

  .case-intro__media img {
    max-height: min(52svh, 420px);
  }

  .case-intro__content {
    gap: 14px;
    padding: 15px;
  }

  .case-intro__heading {
    gap: 8px;
    padding-bottom: 10px;
  }

  .case-reference-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .media-thumb-grid {
    gap: 7px;
  }

  .media-thumb-item {
    flex-basis: clamp(92px, 22vw, 118px);
  }

  .media-thumb-button img {
    aspect-ratio: 4 / 3;
    height: auto;
  }

  .case-card__footer {
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  :root {
    --content-width: min(1080px, calc(100vw - 28px));
  }

  body[data-header-mode="expandable"] .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px 14px;
    align-items: start;
    padding: 12px 0 8px;
  }

  body[data-header-mode="expandable"] .topbar__brand {
    grid-column: 1 / 2;
    gap: 12px;
  }

  body[data-header-mode="expandable"] .topbar__cta {
    grid-column: 2 / 3;
    justify-self: end;
  }

  .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 12px 14px;
    padding: 12px 0 8px;
  }

  .page-case-detail .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .topbar__brand {
    grid-column: 1 / -1;
    align-items: flex-start;
    gap: 12px;
  }

  .page-case-detail .topbar__brand {
    grid-column: 1 / 2;
  }

  .topbar__brand-text {
    min-width: 0;
  }

  .topbar__brand-text strong {
    font-size: clamp(1rem, 6vw, 1.5rem);
    letter-spacing: 0.1em;
  }

  .topbar__brand-text span {
    max-width: none;
    font-size: 0.78rem;
    line-height: 1.36;
  }

  body[data-header-mode="expandable"] .topbar__brand-meta {
    display: flex;
    flex-wrap: nowrap;
    gap: 0 6px;
  }

  body[data-header-mode="expandable"] .topbar__brand-divider {
    display: inline;
  }

  .topbar__nav {
    grid-column: 1 / 2;
    align-self: center;
    gap: 10px 16px;
  }

  .topbar__nav a {
    font-size: 0.96rem;
    line-height: 1.2;
  }

  .topbar__cta {
    grid-column: 2 / 3;
    width: auto;
    min-height: 42px;
    padding: 0 16px;
    justify-self: end;
    white-space: nowrap;
  }

  .page-case-detail .topbar__cta {
    grid-column: 2 / 3;
    justify-self: end;
  }

  .page-main {
    padding-top: 22px;
  }

  .case-intro__content {
    --case-intro-inset: 14px;
    padding: 14px;
  }

  .case-focus__points {
    margin-top: 12px;
  }

  .case-intro__reference {
    padding-top: 10px;
  }

  .reference-card {
    padding: 11px;
  }

  .case-reference-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .gallery-stack {
    gap: 18px;
  }

  .media-thumb-grid {
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
    gap: 8px;
  }

  .media-video-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .topbar__expand {
    max-height: 460px;
  }

  .topbar__expand-content {
    padding-top: 2px;
  }

  .topbar__meta-row {
    grid-template-columns: 1fr;
  }

  .topbar__aside {
    padding-top: 10px;
  }

  .button,
  .button-secondary {
    width: 100%;
  }

  .topbar__actions,
  .hero__actions,
  .case-intro__actions,
  .cta-strip__actions,
  .contact-strip__actions,
  .footer-contact__actions {
    flex-direction: column;
  }

  .site-footer__subnote-inner {
    justify-content: flex-end;
    justify-items: end;
    text-align: right;
  }

  body[data-header-mode="expandable"].page-home .page-main {
    padding-bottom: 126px;
  }

  .page-case-detail .page-main {
    padding-bottom: 126px;
  }

  .hero__headline {
    letter-spacing: 0.04em;
  }

  .case-intro__media img {
    min-height: 0;
    max-height: min(44svh, 320px);
  }

  .case-card {
    min-height: clamp(320px, 48svh, 430px);
  }

  .case-card__media {
    min-height: clamp(180px, 24svh, 240px);
  }

  .case-card__flag-head {
    padding: 12px 14px;
  }

  .lightbox__nav button {
    bottom: 16px;
    top: auto;
    transform: none;
  }

  .lightbox__nav-prev {
    left: 16px;
  }

  .lightbox__nav-next {
    right: 16px;
  }
}

@media (max-width: 560px) {
  body[data-header-mode="expandable"] .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  body[data-header-mode="expandable"] .topbar__brand {
    grid-column: 1 / 2;
  }

  body[data-header-mode="expandable"] .topbar__cta {
    grid-column: 2 / 3;
    justify-self: end;
    padding: 0 16px;
  }

  .topbar__inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-case-detail .topbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px 14px;
  }

  .topbar__brand-text span {
    max-width: none;
  }

  .page-case-detail .topbar__brand {
    grid-column: 1 / 2;
    min-width: 0;
  }

  .page-case-detail .topbar__cta {
    grid-column: 2 / 3;
    justify-self: end;
    padding: 0 16px;
  }

  body[data-header-mode="expandable"].is-compact .topbar__brand {
    min-width: 0;
  }

  body[data-header-mode="expandable"].is-compact .topbar__brand-text {
    min-width: 0;
  }

  body[data-header-mode="expandable"].is-compact .topbar__brand-text strong {
    font-size: clamp(0.94rem, 5.4vw, 1.2rem);
    letter-spacing: 0.08em;
  }

  body[data-header-mode="expandable"].is-compact .topbar__brand-text span {
    font-size: 0.72rem;
    line-height: 1.28;
  }

  body[data-header-mode="expandable"].is-compact .topbar__brand-meta {
    display: flex;
    gap: 0 6px;
  }

  .topbar__nav {
    grid-column: auto;
    width: 100%;
    gap: 10px 18px;
  }

  .topbar__cta {
    grid-column: auto;
    justify-self: start;
    padding: 0 20px;
  }

  .section-rail {
    gap: 8px;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 12px);
    max-width: calc(100vw - 22px);
    padding: 9px 12px;
  }

  .section-rail__label {
    font-size: 0.9rem;
  }

  .case-intro__content {
    --case-intro-inset: 12px;
    padding: 12px;
  }

  .case-intro__heading h1 {
    font-size: clamp(1.4rem, 8vw, 1.95rem);
  }

  .case-reference-grid {
    grid-template-columns: 1fr;
  }

  .case-card {
    min-height: clamp(248px, 35svh, 308px);
  }

  .case-card__media {
    aspect-ratio: 9 / 10;
    height: auto;
    min-height: 0;
  }

  .case-card__content {
    gap: 8px;
    padding: 12px 12px 20px;
  }

  .case-card__flag-head {
    min-height: 44px;
    padding: 8px 12px;
  }

  .case-card h3 {
    font-size: 1.02rem;
    line-height: 1.28;
  }

  .case-card p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-height: 1.5;
  }

  .case-card .tag-list {
    gap: 8px;
  }

  .media-thumb-grid {
    gap: 7px;
  }

  .media-thumb-item {
    flex-basis: clamp(84px, 24vw, 108px);
  }

  .media-thumb-button img {
    aspect-ratio: 4 / 3;
    height: auto;
  }
}