:root {
  --paper: #fffaf6;
  --paper-warm: #f7eee8;
  --surface: rgba(255, 253, 250, 0.74);
  --surface-strong: #fffefd;
  --ink: #27131d;
  --muted: #735d66;
  --muted-strong: #5f4651;
  --line: rgba(66, 38, 49, 0.12);
  --line-strong: rgba(66, 38, 49, 0.18);
  --brand: #c5467e;
  --brand-deep: #2f1924;
  --brand-soft: #f5cfdf;
  --sage: #8ea889;
  --sage-deep: #345343;
  --cream: #fff7ec;
  --shadow: 0 34px 90px rgba(105, 58, 75, 0.16);
  --shadow-soft: 0 18px 46px rgba(90, 49, 65, 0.11);
  --radius-sm: 18px;
  --radius-md: 28px;
  --radius-lg: 42px;
  --container: 1180px;
  --font-display: Georgia, "Times New Roman", "PingFang TC", "Microsoft JhengHei", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  background:
    linear-gradient(90deg, rgba(52, 83, 67, 0.06) 0 1px, transparent 1px) 0 0 / 92px 92px,
    linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 56%, var(--paper) 100%);
}

/* 固定紙感紋理只放在 viewport 層，避免捲動區塊重繪造成卡頓。 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.32;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

/* 鍵盤使用者必須能清楚看見目前焦點。 */
a:focus-visible,
button:focus-visible,
textarea:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--sage-deep);
  outline-offset: 4px;
}

/* 同款的其他角度用原生 details 展開，不需額外腳本或重複商品卡片。 */
.work-angles {
  margin-top: 1rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.work-angles summary {
  color: var(--brand-deep);
  font-weight: 700;
  cursor: pointer;
}

.work-angles summary:focus-visible {
  outline: 3px solid var(--sage-deep);
  outline-offset: 4px;
}

.work-angles a {
  display: block;
  margin-top: 0.75rem;
  color: var(--brand-deep);
  font-size: 0.9rem;
}

.work-angles img {
  height: auto;
  max-height: 14rem;
  object-fit: contain;
}

main {
  display: block;
}

main > .section-tight:first-child {
  padding-top: 9rem;
}

.container {
  width: min(calc(100% - 3rem), var(--container));
  margin: 0 auto;
}

.section {
  padding: 7rem 0;
}

.section-tight {
  padding: 5.25rem 0;
}

/* 首頁 hero 後的信任資訊輕微上拉，讓第一屏底部能露出下一段。 */
.hero + .section-tight {
  margin-top: -3.5rem;
  padding-top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 跳至主要內容只在鍵盤焦點出現，不改變滑鼠瀏覽的版面。 */
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 60;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: #fff;
  background: var(--brand-deep);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* 導覽列採用浮動膠囊，桌機與手機共用同一組 markup。 */
.site-header {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  z-index: 30;
  width: min(calc(100% - 3rem), 1120px);
  padding: 0.375rem;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow-soft);
  transform: translateX(-50%);
  backdrop-filter: blur(18px);
}

.site-header .container {
  width: 100%;
}

.header-inner {
  display: flex;
  min-height: 3.65rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0.6rem 0 0.85rem;
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.82);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.625rem;
  height: 2.625rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(145deg, #351d28, var(--brand));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 10px 20px rgba(197, 70, 126, 0.24);
}

.brand-text strong,
.brand-text span {
  display: block;
}

.brand-text strong {
  font-size: 0.94rem;
  letter-spacing: 0.04em;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
  transition:
    color 520ms var(--ease-out),
    transform 520ms var(--ease-out);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.38rem;
  left: 0;
  height: 1px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: center;
  transition:
    opacity 520ms var(--ease-out),
    transform 520ms var(--ease-out);
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta)[aria-current="page"]::after {
  opacity: 0.45;
  transform: scaleX(1);
}

.nav-toggle {
  position: relative;
  display: none;
  width: 3.25rem;
  height: 3.25rem;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform 520ms var(--ease-out),
    background 520ms var(--ease-out);
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  display: block;
  width: 1.55rem;
  height: 0.15rem;
  border-radius: 999px;
  background: var(--ink);
  transform: translateX(-50%);
  transition:
    transform 620ms var(--ease-out),
    opacity 420ms var(--ease-out);
}

.nav-toggle span:nth-child(1) {
  top: 1.15rem;
}

.nav-toggle span:nth-child(2) {
  top: 1.55rem;
}

.nav-toggle span:nth-child(3) {
  top: 1.95rem;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translate(-50%, 0.4rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: translateX(-50%) scaleX(0.2);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translate(-50%, -0.4rem) rotate(-45deg);
}

/* 按鈕用偽元素建立內嵌圓形箭頭，HTML 連結維持原有可讀性。 */
.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.62rem 0.62rem 0.62rem 1.35rem;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  font-family: inherit;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 650ms var(--ease-out),
    box-shadow 650ms var(--ease-out),
    background 650ms var(--ease-out),
    color 650ms var(--ease-out);
}

.nav-cta::after,
.button::after {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  content: "↗";
  font-size: 1rem;
  line-height: 1;
  transition:
    transform 650ms var(--ease-out),
    background 650ms var(--ease-out);
}

.button-secondary::after {
  content: "→";
  background: rgba(39, 19, 29, 0.06);
}

.nav-cta,
.button-primary {
  color: #fff;
  background: var(--brand-deep);
  box-shadow: 0 18px 38px rgba(39, 19, 29, 0.18);
}

.site-nav .nav-cta,
.site-nav .nav-cta:hover,
.site-nav .nav-cta[aria-current="page"] {
  color: #fff;
}

.button-primary {
  background: var(--brand);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.nav-cta:hover::after,
.button:hover::after {
  transform: translate(0.15rem, -0.05rem) scale(1.04);
}

.nav-cta:active,
.button:active {
  transform: translateY(0) scale(0.98);
}

.button-row,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.9rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.5rem 0.78rem;
  border: 1px solid rgba(197, 70, 126, 0.18);
  border-radius: 999px;
  color: var(--brand);
  background: rgba(255, 255, 255, 0.62);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 2.4rem;
}

.section-heading h1,
.section-heading h2,
.section-heading h3,
.hero-copy h1,
.page-hero-copy h1 {
  margin: 1rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 41rem;
  margin-top: 1.5rem;
  font-size: 5.9rem;
  text-wrap: balance;
}

.section-heading h2,
.page-hero-copy h1 {
  font-size: 4.7rem;
  text-wrap: balance;
}

.section-heading p,
.hero-copy p,
.page-hero-copy p,
.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.9;
}

.hero-copy p {
  max-width: 38rem;
}

/* 首頁第一屏保留內容層級，視覺圖組只作為信任輔助。 */
.hero {
  min-height: 84dvh;
  padding: 8.6rem 0 4.25rem;
  display: flex;
  align-items: center;
}

.hero-panel,
.page-hero-panel {
  position: relative;
  overflow: visible;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(420px, 1.04fr);
  gap: 2.65rem;
  align-items: center;
}

.hero-metrics {
  display: grid;
  max-width: 42rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.1rem;
}

.metric {
  min-height: 5.7rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 1.55rem;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 0.42rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.hero-visual {
  position: relative;
  min-height: 40.5rem;
}

.hero-photo {
  position: absolute;
  margin: 0;
  padding: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 2.35rem;
  background: rgba(255, 255, 255, 0.52);
  box-shadow: var(--shadow);
}

.hero-photo picture,
.gallery-card picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  border-radius: 1.85rem;
  object-fit: cover;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.hero-photo-main {
  top: 0.4rem;
  right: 0.75rem;
  width: 62%;
  height: 35rem;
}

.hero-photo-side {
  top: 5.4rem;
  left: 0;
  width: 42%;
  height: 21.25rem;
  transform: rotate(-2.2deg);
}

.hero-photo-small {
  bottom: 0.5rem;
  left: 5.1rem;
  width: 38%;
  height: 16.25rem;
  transform: rotate(2.4deg);
}

.hero-order-card {
  position: absolute;
  right: 0;
  bottom: 2.25rem;
  width: 20rem;
  padding: 1.45rem;
  border: 0.44rem solid rgba(255, 255, 255, 0.68);
  border-radius: 2.2rem;
  background: #fffdf9;
  box-shadow: 0 28px 70px rgba(77, 45, 58, 0.18);
}

.hero-order-card > span {
  display: block;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-order-card h2 {
  margin: 0.7rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 2.42rem;
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-order-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.hero-order-tags {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 1rem;
}

.hero-order-tags span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  color: var(--sage-deep);
  background: #edf3e9;
  font-size: 0.78rem;
  font-weight: 800;
}

/* 內頁 hero 不再做厚重框卡，讓圖片與資訊卡保有空氣感。 */
.page-hero {
  padding: 8.5rem 0 4.5rem;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.82fr);
  gap: 2rem;
  align-items: center;
}

.page-hero-copy {
  max-width: 760px;
}

/* 404 使用既有內頁版型，只補足置中與辨識所需樣式。 */
.not-found-page {
  min-height: 78dvh;
  display: flex;
  align-items: center;
  text-align: center;
}

.not-found-page .page-hero-copy {
  margin: 0 auto;
}

.not-found-code {
  margin: 0;
  color: var(--sage);
  font-size: clamp(5rem, 16vw, 10rem);
  font-weight: 900;
  line-height: 0.9;
}

.not-found-page .button-row {
  justify-content: center;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumbs a {
  color: var(--muted-strong);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.spotlight {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.25rem;
  align-items: start;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

/* 共用卡片以雙層光澤與柔和邊框建立高級感，不更動原 HTML 結構。 */
.trust-item,
.card,
.faq-item,
.info-panel,
.contact-card,
.price-card,
.testimonial,
.article-card,
.city-card,
.content-block,
.process-step {
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 250, 245, 0.74)),
    var(--surface);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 20px 52px rgba(79, 49, 60, 0.08);
}

.trust-item,
.card,
.testimonial,
.article-card,
.city-card,
.price-card,
.contact-card,
.info-panel,
.content-block,
.process-step {
  padding: 1.55rem;
}

.card,
.city-card,
.article-card,
.price-card,
.contact-card,
.testimonial,
.trust-item,
.process-step,
.case-card,
.gallery-card {
  transition:
    transform 700ms var(--ease-out),
    box-shadow 700ms var(--ease-out),
    border-color 700ms var(--ease-out);
}

.card:hover,
.city-card:hover,
.article-card:hover,
.price-card:hover,
.contact-card:hover,
.testimonial:hover,
.trust-item:hover,
.process-step:hover,
.case-card:hover,
.gallery-card:hover {
  border-color: rgba(197, 70, 126, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 28px 70px rgba(79, 49, 60, 0.12);
  transform: translateY(-0.18rem);
}

.card h3,
.price-card h3,
.article-card h3,
.city-card h3,
.contact-card h3,
.testimonial h3,
.info-panel h2,
.info-panel h3,
.trust-item h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.18rem;
  line-height: 1.35;
}

.card p,
.city-card p,
.testimonial p,
.trust-item p,
.price-card p,
.article-card p,
.content-block p,
.info-panel p,
.process-step p {
  color: var(--muted);
}

.card a,
.city-card a,
.article-card a,
.content-block a,
.info-panel a {
  color: var(--brand-deep);
  font-weight: 800;
}

.tag-row,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.tag,
.meta-pill,
.case-category {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(245, 207, 223, 0.48);
  font-size: 0.78rem;
  font-weight: 800;
}

.image-card,
.gallery-card,
.case-card {
  overflow: hidden;
  border: 0.45rem solid rgba(255, 255, 255, 0.62);
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.54);
  box-shadow: var(--shadow-soft);
}

.image-card {
  min-height: 100%;
  aspect-ratio: 4 / 5;
}

.image-card img,
.gallery-card img,
.article-card img,
.case-card img,
.case-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.gallery-card {
  aspect-ratio: 4 / 5;
}

.gallery-card img,
.case-card img {
  transition: transform 850ms var(--ease-out);
}

.gallery-card:hover img,
.case-card:hover img {
  transform: scale(1.035);
}

/* 作品分類與搜尋是漸進增強；無 JavaScript 時控制列由 hidden 保持隱藏，原生錨點仍可用。 */
[data-gallery-controls] {
  display: grid;
  gap: 0.8rem;
  margin: 0 auto 1.5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.62);
}

[data-gallery-controls][hidden] {
  display: none;
}

/* hidden 必須優先於既有 button-row 的 display:flex，避免增強前後出現兩套分類。 */
nav[aria-label="作品分類"][hidden] {
  display: none;
}

.gallery-filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
}

.gallery-filters [data-gallery-filter] {
  flex: 0 0 auto;
  white-space: nowrap;
  text-decoration: none;
}

[data-gallery-search] {
  display: grid;
  gap: 0.4rem;
}

/* 提前保留搜尋欄位空間；腳本未完成時不可操作，但不讓照片位置跳動。 */
[data-gallery-search][hidden] {
  display: grid;
  visibility: hidden;
}

@media (max-width: 640px) {
  .page-hero:has(.gallery-notes) {
    padding-top: 7rem;
    padding-bottom: 1rem;
  }

  .page-hero:has(.gallery-notes) .eyebrow {
    display: none;
  }

  .page-hero:has(.gallery-notes) h1 {
    margin-top: 0.75rem;
    font-size: clamp(1.7rem, 7.5vw, 2.1rem);
    line-height: 1.25;
  }

  .gallery-notes {
    padding: 0.8rem 1rem !important;
    font-size: 0.85rem;
    box-shadow: none;
  }

  [data-gallery-controls] {
    gap: 0.4rem;
    padding: 0.7rem;
  }
}

[data-gallery-controls] input[data-work-search] {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface-strong);
  font: inherit;
}

[data-gallery-controls] [data-gallery-filter] {
  min-height: 2.7rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.72);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

[data-gallery-controls] [data-gallery-filter][aria-pressed="true"] {
  border-color: var(--brand-deep);
  color: #fff;
  background: var(--brand-deep);
}

[data-gallery-controls] .button-row,
[data-gallery-controls] .gallery-filter-row,
[data-gallery-controls] [role="group"] {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
}

/* 分類列在手機橫向滑動，保留第一列作品的垂直空間。 */
[data-gallery-controls] .gallery-filters {
  flex-wrap: nowrap;
  min-width: 0;
}

@media (max-width: 640px) {
  .portfolio-section {
    padding-top: 1rem;
  }

  .portfolio-section .section-heading {
    margin-bottom: 0.8rem;
  }

  .portfolio-section .section-heading h2 {
    font-size: 1.45rem;
    margin-bottom: 0;
  }

  .portfolio-section .section-heading p {
    display: none;
  }
}

[data-gallery-controls] .button-row [data-gallery-filter],
[data-gallery-controls] .gallery-filter-row [data-gallery-filter],
[data-gallery-controls] [role="group"] [data-gallery-filter] {
  width: fit-content;
}

[data-gallery-controls] [data-gallery-clear][hidden] {
  display: none;
}

[data-gallery-status] {
  min-height: 1.6rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.portfolio-section[hidden],
.portfolio-work[hidden] {
  display: none;
}

/* 原生 dialog 只在點擊圖片後載入大圖；背景鎖定避免手機關閉後跳動。 */
body.gallery-dialog-open {
  overflow: hidden;
}

.gallery-lightbox {
  width: min(92vw, 960px);
  max-width: 960px;
  max-height: min(92dvh, 900px);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.gallery-lightbox::backdrop {
  background: rgba(39, 19, 29, 0.68);
}

.gallery-lightbox-close {
  display: block;
  margin-left: auto;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.gallery-lightbox-figure {
  position: relative;
  display: grid;
  gap: 0.7rem;
  margin: 0.5rem 0 0;
}

.gallery-lightbox-figure img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(68dvh, 680px);
  margin: 0 auto;
  object-fit: contain;
  border-radius: 1rem;
  background: var(--paper-warm);
}

.gallery-lightbox-figure img[hidden],
.gallery-lightbox-actions .gallery-lightbox-original[hidden] {
  display: none;
}

.gallery-lightbox-figure.is-loading {
  min-height: 10rem;
  place-items: center;
}

.gallery-lightbox-figure.is-loading::after {
  position: absolute;
  color: var(--muted);
  content: "圖片載入中…";
}

.gallery-lightbox-figure.is-error {
  min-height: 6rem;
  place-items: center;
}

.gallery-lightbox-figure figcaption {
  color: var(--muted-strong);
  font-weight: 700;
  text-align: center;
}

.gallery-lightbox-navigation,
.gallery-lightbox-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.gallery-lightbox .button {
  min-height: 2.75rem;
  padding: 0.55rem 0.95rem;
}

.gallery-lightbox .button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.gallery-lightbox-status {
  min-height: 1.5rem;
  margin: 0.6rem 0 0;
  color: var(--sage-deep);
  font-size: 0.9rem;
  text-align: center;
}

.case-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.case-card > a,
.case-media-frame {
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: #150a10;
}

.case-card-body {
  padding: 1.15rem;
  background: rgba(255, 253, 250, 0.86);
}

.case-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.case-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* 作品完整置入圖片框，不裁掉花面或包裝；錨點預留固定導覽的高度。 */
.portfolio-section,
.portfolio-work,
#inquiry {
  scroll-margin-top: 8rem;
}

.portfolio-work > a {
  background: var(--surface-strong);
}

.portfolio-work img {
  object-fit: contain;
}

.portfolio-work:target {
  /* 作品定位不加外框；取消進場位移，避免定位後移到固定導覽下方。 */
  opacity: 1;
  transform: none;
}

.image-card-landscape {
  aspect-ratio: 16 / 9;
  min-height: 0;
}

.case-card .work-code {
  margin: 0 0 0.5rem;
  color: var(--brand-deep);
  font-weight: 800;
}

.work-permalink {
  color: var(--brand-deep);
  font-weight: 700;
  text-underline-offset: 0.2em;
}

/* 作品深連結只顯示一件作品；獨立頁以完整圖片及清楚的編號為主。 */
.is-work-focus .case-gallery-grid {
  grid-template-columns: minmax(0, 1fr);
  max-width: 680px;
  margin-inline: auto;
}

.work-detail {
  padding-top: 7rem;
}

.work-detail .portfolio-section {
  padding-block: 1rem 3rem;
}

.work-detail-heading {
  padding-block: 2rem 1rem;
}

.work-detail-heading h1 {
  margin-block: 0.6rem;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.work-detail .case-gallery-grid {
  display: block;
}

.work-detail .portfolio-work {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.work-detail .portfolio-work > a {
  aspect-ratio: auto;
}

.work-detail .portfolio-work > a img {
  height: 100%;
  max-height: 720px;
}

.work-detail .case-card-body {
  padding: 1.5rem;
}

@media (max-width: 640px) {
  .work-detail .portfolio-work {
    grid-template-columns: minmax(0, 1fr);
  }
}

.process {
  counter-reset: process;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.process-step::before {
  counter-increment: process;
  content: "0" counter(process);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  color: #fff;
  background: var(--brand-deep);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.45rem;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.faq-question strong {
  font-size: 1.04rem;
}

.faq-answer {
  padding: 0 1.45rem 1.35rem;
  color: var(--muted);
}

.faq-answer p {
  margin-top: 0;
}

.faq-answer[hidden] {
  display: none;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  display: grid;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(245, 207, 223, 0.58);
  font-weight: 800;
  transition:
    transform 520ms var(--ease-out),
    background 520ms var(--ease-out);
}

.faq-question[aria-expanded="true"] .faq-icon {
  background: rgba(52, 83, 67, 0.12);
  color: var(--sage-deep);
  transform: rotate(180deg);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.table th {
  width: 30%;
  color: var(--muted);
  font-weight: 700;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.article-card img {
  height: 15rem;
  margin-bottom: 1rem;
  border-radius: 1.15rem;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1.5rem;
  align-items: start;
}

.content-block h2,
.content-block h3 {
  margin-top: 0;
}

.article-content {
  max-width: 860px;
}

.article-content h2,
.article-content h3 {
  margin-top: 2.1rem;
  font-family: var(--font-display);
  font-size: 2.1rem;
  line-height: 1.1;
}

.article-content h2:first-child,
.article-content h3:first-child {
  margin-top: 0;
}

.article-content figure {
  margin: 2rem 0;
}

.article-content img {
  width: 100%;
  height: auto;
  border-radius: 1.45rem;
  box-shadow: var(--shadow-soft);
}

.sticky-panel {
  position: sticky;
  top: 7.25rem;
}

.check-list,
.stack-list {
  margin: 0;
  padding-left: 1.15rem;
}

.check-list li,
.stack-list li {
  margin-bottom: 0.65rem;
}

.cta-band {
  padding: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  color: #fffaf6;
  background:
    radial-gradient(circle at 86% 12%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(135deg, var(--brand-deep), #7b284f 54%, var(--brand));
  box-shadow: var(--shadow);
}

.cta-band h2 {
  margin-top: 0;
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  letter-spacing: 0;
}

.cta-band p {
  color: rgba(255, 250, 246, 0.84);
}

.cta-band a:not(.button) {
  color: #fff;
  font-weight: 800;
}

.cta-band .button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
}

.cta-band .button-secondary::after {
  background: rgba(255, 255, 255, 0.16);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.contact-card-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.contact-icon,
.footer-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(145deg, var(--brand-deep), var(--brand));
  box-shadow: 0 10px 20px rgba(197, 70, 126, 0.16);
  font-weight: 800;
  line-height: 1;
}

.contact-icon {
  width: 2.15rem;
  height: 2.15rem;
  font-size: 0.76rem;
}

.contact-card p {
  margin: 0;
  color: var(--muted);
}

.contact-card a {
  color: var(--brand-deep);
  font-weight: 800;
  text-decoration: none;
}

.inquiry-template {
  display: grid;
  gap: 1rem;
}

.inquiry-template textarea {
  width: 100%;
  min-height: 19rem;
  padding: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface-strong);
  font: inherit;
  line-height: 1.7;
  resize: vertical;
}

.copy-status {
  min-height: 1.75rem;
  margin: 0;
  color: var(--sage-deep);
  font-weight: 700;
}

.updated-at {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  padding: 3.25rem 0 calc(3.25rem + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(86, 68, 55, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(3, minmax(0, 0.7fr));
  gap: 1.5rem;
}

.footer-grid h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.footer-grid p {
  color: var(--muted);
}

.footer-grid a {
  display: block;
  width: fit-content;
  margin-bottom: 0.5rem;
  color: var(--muted);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--ink);
}

.footer-grid a.footer-contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.analytics-settings-button {
  display: block;
  width: fit-content;
  padding: 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  cursor: pointer;
}

.analytics-settings-button:hover {
  color: var(--ink);
}

/* 分析偏好以頁面流內的緊湊區塊呈現，避免覆蓋 CTA 與固定聯絡按鈕；未同意前不會載入 Google 標籤。 */
.analytics-consent {
  position: relative;
  display: grid;
  width: min(calc(100% - 2rem), 760px);
  margin: 1rem auto 2rem;
  padding: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-sm);
  background: #fffefa;
  box-shadow: var(--shadow);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.analytics-consent[hidden] {
  display: none;
}

.analytics-consent h2,
.analytics-consent p {
  margin: 0;
}

.analytics-consent h2 {
  font-size: 1.05rem;
}

.analytics-consent p {
  color: var(--muted);
  font-size: 0.9rem;
}

.analytics-consent a {
  color: var(--brand-deep);
  font-weight: 800;
}

.analytics-consent-actions {
  display: flex;
  gap: 0.6rem;
}

.analytics-consent-actions button {
  min-height: 2.75rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface-strong);
  font: inherit;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
}

.analytics-consent-actions .analytics-consent-allow {
  border-color: var(--brand-deep);
  color: #fff;
  background: var(--brand-deep);
}

.footer-icon {
  width: 1.45rem;
  height: 1.45rem;
  font-size: 0.68rem;
}

.floating-contact {
  position: fixed;
  right: max(1.35rem, env(safe-area-inset-right));
  bottom: calc(1.35rem + env(safe-area-inset-bottom));
  z-index: 29;
  display: flex;
  flex-direction: column;
  gap: 0.72rem;
  pointer-events: none;
}

.floating-contact a {
  display: grid;
  width: 3.55rem;
  height: 3.55rem;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.14);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  pointer-events: auto;
  transition:
    transform 650ms var(--ease-out),
    box-shadow 650ms var(--ease-out);
}

.floating-contact a:hover {
  transform: translateY(-0.18rem);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
}

.floating-line {
  /* 深綠底讓白字達到 WCAG AA 對比，不改變 LINE 的辨識語意。 */
  background: #087a3f;
}

.floating-zalo {
  background: #0068ff;
}

/* JS 會在元素進入 viewport 時加上 is-revealed，只動畫 transform 與 opacity。 */
.reveal-item {
  opacity: 0;
  transform: translateY(2.5rem);
  transition:
    opacity 900ms var(--ease-out),
    transform 900ms var(--ease-out);
}

.reveal-item.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal-item {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1180px) {
  .site-nav {
    gap: 1rem;
  }

  .site-nav a {
    font-size: 0.86rem;
  }

  .hero-copy h1 {
    font-size: 5rem;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .page-hero-grid,
  .grid-4,
  .gallery-grid,
  .case-gallery-grid,
  .process,
  .trust-strip,
  .contact-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3,
  .spotlight,
  .footer-grid,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 2rem;
  }

  .hero-copy h1,
  .section-heading h2,
  .page-hero-copy h1 {
    font-size: 4.2rem;
  }

  .hero-visual {
    min-height: 34rem;
  }

  .hero-photo-main {
    height: 29rem;
  }

  .hero-photo-side {
    height: 18rem;
  }

  .hero-photo-small {
    height: 13rem;
  }
}

@media (max-width: 780px) {
  .image-card.image-card-landscape {
    aspect-ratio: 16 / 9;
  }

  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  main > .section-tight:first-child {
    padding-top: 7.5rem;
  }

  .site-header {
    top: 0.85rem;
    width: calc(100% - 1.5rem);
    border-radius: 2.15rem;
  }

  .header-inner {
    min-height: 4.35rem;
    padding: 0 0.85rem;
    border-radius: 1.75rem;
  }

  .brand-mark {
    width: 3rem;
    height: 3rem;
  }

  .brand-text strong {
    font-size: 0.95rem;
  }

  .brand-text span {
    font-size: 0.78rem;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.84);
    border-radius: 2rem;
    background: #fffefa;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a,
  .nav-cta {
    width: 100%;
    justify-content: space-between;
    padding: 0.9rem 1rem;
    font-size: 1.05rem;
  }

  .site-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    margin-top: 0.5rem;
    justify-content: center;
  }

  .hero {
    min-height: 0;
    padding: 7.1rem 0 2.25rem;
  }

  .hero-grid,
  .page-hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .gallery-grid,
  .process,
  .trust-strip,
  .contact-grid,
  .article-grid,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 23rem;
    margin-top: 1.35rem;
    font-size: clamp(2.7rem, 12vw, 3.35rem);
    line-height: 1.02;
  }

  .section-heading h2,
  .page-hero-copy h1 {
    font-size: clamp(2.55rem, 10.5vw, 3.1rem);
    line-height: 1.02;
  }

  .section-heading p,
  .hero-copy p,
  .page-hero-copy p,
  .lede {
    font-size: 1rem;
    line-height: 1.85;
  }

  .eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
  }

  .button-row,
  .hero-actions {
    gap: 0.75rem;
  }

  .button {
    min-height: 3.15rem;
    padding-left: 1.2rem;
    font-size: 0.98rem;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    margin-top: 1.35rem;
  }

  .metric {
    min-height: 5rem;
    padding: 0.78rem 0.65rem;
    border-radius: 1.35rem;
  }

  .metric strong {
    font-size: 1.45rem;
  }

  .metric span {
    font-size: 0.72rem;
  }

  .hero-visual {
    min-height: 30rem;
    margin-top: 1.3rem;
  }

  /* 390px 左右仍保留雙欄作品瀏覽，讓訪客更快看到多款照片；文字與按鈕維持可讀尺寸。 */
  .case-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .hero-photo {
    padding: 0.38rem;
    border-radius: 2rem;
  }

  .hero-photo img {
    border-radius: 1.55rem;
  }

  .hero-photo-main {
    top: 0;
    right: 0;
    width: 64%;
    height: 20.6rem;
  }

  .hero-photo-side {
    top: 2.75rem;
    left: 0;
    width: 52%;
    height: 14rem;
  }

  .hero-photo-small {
    display: none;
  }

  .hero-order-card {
    right: 0;
    bottom: 0;
    width: 82%;
    padding: 1.25rem;
    border-width: 0.38rem;
    border-radius: 2rem;
  }

  .hero-order-card h2 {
    font-size: 2rem;
  }

  .hero-order-tags {
    flex-wrap: wrap;
  }

  .page-hero {
    padding: 6.65rem 0 2.5rem;
  }

  .section {
    padding: 4.5rem 0;
  }

  .section-tight {
    padding: 3.6rem 0;
  }

  .hero + .section-tight {
    margin-top: 0;
    padding-top: 3.6rem;
  }

  .image-card {
    aspect-ratio: 4 / 4.6;
  }

  .gallery-card,
  .case-card {
    border-width: 0.25rem;
    border-radius: 1.35rem;
  }

  .case-card-body {
    padding: 0.85rem;
  }

  .case-card-body h3 {
    margin-bottom: 0.4rem;
    font-size: 0.98rem;
    line-height: 1.35;
  }

  .case-card-body > p:not(.work-code) {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    font-size: 0.86rem;
    line-height: 1.55;
  }

  .case-card .button-row {
    display: grid;
    gap: 0.45rem;
    margin-top: 0.75rem;
  }

  .case-card .button {
    width: 100%;
    min-height: 2.65rem;
    padding: 0.45rem 0.55rem;
    font-size: 0.84rem;
  }

  .case-card .work-permalink {
    display: block;
    font-size: 0.84rem;
    text-align: center;
  }

  .content-block,
  .trust-item,
  .card,
  .testimonial,
  .article-card,
  .city-card,
  .price-card,
  .contact-card,
  .info-panel,
  .process-step {
    padding: 1.25rem;
  }

  .cta-band {
    padding: 1.55rem;
    border-radius: 2rem;
  }

  .cta-band h2 {
    font-size: 2.35rem;
  }

  .table th,
  .table td {
    display: block;
    width: 100%;
    padding: 0.72rem 0;
  }

  .sticky-panel {
    position: static;
  }

  .floating-contact {
    right: max(0.75rem, env(safe-area-inset-right));
    bottom: calc(0.75rem + env(safe-area-inset-bottom));
    gap: 0.58rem;
  }

  .floating-contact a {
    width: 3.25rem;
    height: 3.25rem;
    font-size: 0.78rem;
  }

  .analytics-consent {
    grid-template-columns: 1fr;
  }

  .analytics-consent-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  main {
    /* 固定聯絡鈕不應蓋住最後一段內容，並保留 iPhone 安全區。 */
    padding-bottom: 5.5rem;
  }
}

@media (max-width: 420px) {
  .hero-copy h1 {
    font-size: clamp(2.55rem, 11.5vw, 3.1rem);
  }

  .section-heading h2,
  .page-hero-copy h1 {
    font-size: clamp(2.45rem, 10.5vw, 2.85rem);
  }

  .metric {
    min-height: auto;
    padding: 0.78rem 0.62rem;
  }

  .metric strong {
    font-size: 1.38rem;
  }
}

@media (max-width: 374px) {
  .case-gallery-grid {
    grid-template-columns: 1fr;
  }
}