:root {
  /* ===== 工業藍圖技術風 色彩系統 ===== */
  --bg: oklch(20% 0.016 250);
  --bg-elevated: oklch(24% 0.018 250);
  --surface: oklch(27% 0.02 250);
  --surface-hover: oklch(31% 0.022 250);
  --fg: oklch(97% 0.004 250);
  --fg-soft: oklch(90% 0.008 250);
  --muted: oklch(72% 0.014 250);
  --muted-strong: oklch(81% 0.014 250);
  --border: oklch(36% 0.02 250);
  --border-strong: oklch(44% 0.024 250);

  /* 強調色 */
  --accent: oklch(76% 0.19 55);          /* 警示橙 */
  --accent-soft: oklch(32% 0.06 55);     /* 橙底暗調 */
  --accent-glow: oklch(76% 0.19 55 / 0.25);
  --tech: oklch(78% 0.13 220);           /* 技術青 */
  --tech-soft: oklch(32% 0.05 220);
  --tech-glow: oklch(78% 0.13 220 / 0.25);
  --success: oklch(80% 0.16 150);        /* 螢光綠（回收） */
  --success-soft: oklch(32% 0.06 150);
  --warn: oklch(82% 0.14 88);

  /* 字體系統 */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Fira Code', Consolas, Menlo, monospace;

  /* 陰影與光暈 */
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.3);
  --shadow-glow-orange: 0 0 0 1px var(--accent-glow), 0 12px 32px rgba(0, 0, 0, 0.35);
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--fg);
  background-color: var(--bg);
  background-image:
    /* 細網格線（藍圖紙紋理） */
    linear-gradient(color-mix(in oklab, var(--tech) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--tech) 4%, transparent) 1px, transparent 1px),
    /* 粗網格線（主格線） */
    linear-gradient(color-mix(in oklab, var(--tech) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--tech) 6%, transparent) 1px, transparent 1px),
    /* 頂部橙色光暈 */
    radial-gradient(ellipse 80% 50% at 50% 0%, var(--accent-glow), transparent 60%);
  background-size: 40px 40px, 40px 40px, 200px 200px, 200px 200px, 100% 100%;
  background-position: 0 0, 0 0, 0 0, 0 0, top center;
  background-attachment: fixed, fixed, fixed, fixed, scroll;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.site-shell {
  min-height: 100vh;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 color-mix(in oklab, var(--tech) 18%, transparent);
}

.masthead-inner,
.section,
.footer-inner {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.masthead-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tech);
  font-weight: 500;
}

.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 0.96rem;
}

.site-nav a {
  position: relative;
  padding-bottom: 4px;
  color: var(--fg-soft);
  font-weight: 500;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

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

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg);
  padding: 10px 12px;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.hero {
  padding: 54px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--tech);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 22px;
  font-weight: 500;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 20px;
  height: 1px;
  background: currentColor;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.055em;
  color: var(--fg);
}

.accent-word {
  display: inline-block;
  color: var(--accent);
  font-weight: 900;
}

.lede {
  max-width: 61ch;
  margin-top: 22px;
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.85;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 2px;
  border: 1px solid var(--border-strong);
  background: transparent;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--fg);
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: oklch(15% 0.02 55);
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.button-primary:hover {
  box-shadow: 0 6px 24px var(--accent-glow), 0 0 0 1px var(--accent);
}

.button-secondary {
  background: color-mix(in oklab, var(--tech) 8%, transparent);
  border-color: color-mix(in oklab, var(--tech) 45%, var(--border) 55%);
  color: var(--tech);
}

.button-secondary:hover {
  border-color: var(--tech);
  background: color-mix(in oklab, var(--tech) 16%, transparent);
  color: var(--fg);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--border);
  background: var(--border);
}

.stat-card {
  padding: 22px;
  background: var(--surface);
}

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.stat-label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.hero-figure {
  position: relative;
  min-height: 620px;
  border: 1px solid var(--border-strong);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.figure-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 10, 18, 0.15) 0%, rgba(8, 10, 18, 0.55) 100%),
    linear-gradient(135deg, rgba(180, 90, 30, 0.18), transparent 42%);
}

.figure-chip,
.figure-tag {
  position: absolute;
  left: 18px;
  background: rgba(15, 18, 28, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid color-mix(in oklab, var(--tech) 35%, transparent);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

.figure-chip {
  top: 18px;
}

.figure-tag {
  bottom: 18px;
}

.section {
  padding: 42px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 24px;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tech);
  font-weight: 500;
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--fg);
}

.section-copy {
  max-width: 58ch;
  color: var(--muted-strong);
  line-height: 1.8;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}

.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));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--tech) 50%, var(--border) 50%);
  background: var(--surface-hover);
  box-shadow: var(--shadow-card);
}

.card,
.contact-panel,
.figure-chip,
.figure-tag,
.badge,
.filter-chip,
.field-group input,
.field-group select,
.field-group textarea {
  border-radius: 2px;
}

.card h3,
.card h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.card p,
.card li {
  color: var(--muted-strong);
  line-height: 1.75;
}

.checklist {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
  margin: 18px 0 0;
}

.checklist li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
}

.checklist li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.5em;
  background: var(--tech);
}

.product-card {
  display: grid;
  gap: 16px;
}

.product-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}

.product-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(8, 10, 18, 0.35) 100%);
  pointer-events: none;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.product-card:hover .product-image img {
  transform: scale(1.04);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech);
  font-weight: 500;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  color: var(--muted-strong);
}

th {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech);
  background: color-mix(in oklab, var(--tech) 6%, transparent);
  font-weight: 500;
}

td strong {
  color: var(--accent);
}

tbody tr {
  transition: background 180ms ease;
}

tbody tr:hover {
  background: color-mix(in oklab, var(--tech) 5%, transparent);
}

.project-hero,
.page-hero {
  padding: 44px 0 20px;
}

.project-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: stretch;
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.metric {
  background: var(--surface);
  padding: 16px 14px;
  min-width: 0;
  overflow: hidden;
}

.metric strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 6px;
  word-break: break-word;
}

.metric span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.3;
  display: block;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.timeline-step {
  color: var(--tech);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 24px;
}

.contact-panel {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 24px;
}

.phone-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.phone-description {
  color: var(--muted-strong);
  font-size: 0.96rem;
  line-height: 1.7;
}

.phone-number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-top: 12px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--accent);
  transition: opacity 180ms ease;
}

.phone-number:hover {
  opacity: 0.82;
}

.info-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.info-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.info-row span {
  color: var(--tech);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
}

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

.field-group {
  display: grid;
  gap: 8px;
}

.field-group label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tech);
  font-weight: 500;
}

.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--fg);
  padding: 14px 16px;
  border-radius: 2px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field-group input::placeholder,
.field-group textarea::placeholder {
  color: var(--muted);
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--tech);
  box-shadow: 0 0 0 3px var(--tech-glow);
}

.field-group textarea {
  min-height: 148px;
  resize: vertical;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.filter-chip {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg-soft);
  padding: 10px 16px;
  cursor: pointer;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 500;
  transition: all 180ms ease;
}

.filter-chip:hover {
  border-color: var(--tech);
  color: var(--fg);
}

.filter-chip[aria-pressed="true"] {
  background: var(--accent);
  color: oklch(15% 0.02 55);
  border-color: var(--accent);
}

.footer {
  padding: 46px 0 60px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  margin-top: 20px;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 32px), var(--max-width));
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tech), transparent);
}

.footer-inner {
  display: grid;
  gap: 22px;
  padding-top: 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.9fr 0.8fr;
  gap: 24px;
}

.footer-note {
  color: var(--muted-strong);
  line-height: 1.8;
  font-size: 0.92rem;
}

.footer-phone {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.footer a {
  color: var(--fg-soft);
  transition: color 180ms ease;
}

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

.mobile-nav {
  display: none;
}

.mobile-nav a {
  padding: 10px 0;
  border-top: 1px solid var(--border);
  color: var(--fg-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: color-mix(in oklab, var(--tech) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--tech) 35%, var(--border) 65%);
  color: var(--tech);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.badge-recycle {
  background: color-mix(in oklab, var(--success) 14%, transparent);
  border: 1px solid color-mix(in oklab, var(--success) 45%, var(--border) 55%);
  color: var(--success);
  font-weight: 600;
}

.text-highlight-bold {
  color: var(--accent);
  font-weight: 800;
  border-bottom: 2px solid var(--accent);
  padding: 0 2px;
}

.highlight-demolition {
  color: var(--accent);
  font-size: 1.15em;
  font-weight: 900;
  display: inline-block;
  background: linear-gradient(120deg, var(--accent-glow) 0%, var(--accent-glow) 100%);
  background-repeat: no-repeat;
  background-size: 100% 42%;
  background-position: 0 82%;
  padding: 0 6px;
  border-radius: 2px;
}

.highlight-card {
  border-color: color-mix(in oklab, var(--success) 40%, var(--border) 60%) !important;
  background: color-mix(in oklab, var(--surface) 88%, var(--success) 12%) !important;
  box-shadow: 0 8px 30px color-mix(in oklab, var(--success) 12%, transparent);
}

.highlight-card:hover {
  border-color: color-mix(in oklab, var(--success) 65%, var(--border) 35%) !important;
}

.recycle-hero-card {
  background:
    radial-gradient(circle at bottom right, color-mix(in oklab, var(--success) 14%, transparent), transparent 45%),
    color-mix(in oklab, var(--surface) 88%, var(--success) 12%);
  border: 1px solid color-mix(in oklab, var(--success) 40%, var(--border) 60%);
  padding: 32px;
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
}

.recycle-right-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid color-mix(in oklab, var(--success) 30%, var(--border) 70%);
  padding-left: 32px;
}

/* ===== 主要服務：高架地板拆除回收 主推區 ===== */
.recycle-main-section {
  position: relative;
  background:
    radial-gradient(circle at top right, color-mix(in oklab, var(--success) 16%, transparent), transparent 50%),
    radial-gradient(circle at bottom left, color-mix(in oklab, var(--accent) 8%, transparent), transparent 45%),
    color-mix(in oklab, var(--surface) 84%, var(--success) 16%);
  border: 1px solid color-mix(in oklab, var(--success) 40%, var(--border) 60%);
  padding: clamp(28px, 4vw, 48px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px color-mix(in oklab, var(--success) 15%, transparent);
}

.recycle-main-section::before {
  content: "主要服務";
  position: absolute;
  top: -1px;
  left: 28px;
  transform: translateY(-50%);
  background: var(--accent);
  color: oklch(15% 0.02 55);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 6px 14px;
}

.recycle-main-head {
  max-width: 62ch;
  margin-bottom: 32px;
}

.recycle-main-head .section-kicker {
  color: var(--success);
}

.recycle-main-title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--fg);
}

.recycle-main-lede {
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.85;
}

.recycle-main-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

/* 3 步驟流程 */
.recycle-flow {
  display: grid;
  gap: 14px;
}

.recycle-step {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px 22px;
  background: color-mix(in oklab, var(--bg-elevated) 70%, var(--success) 10%);
  border: 1px solid color-mix(in oklab, var(--success) 28%, var(--border) 72%);
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.recycle-step:hover {
  transform: translateX(4px);
  border-color: color-mix(in oklab, var(--success) 60%, var(--border) 40%);
  background: color-mix(in oklab, var(--bg-elevated) 60%, var(--success) 16%);
}

.recycle-step-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--success);
  border-right: 1px solid color-mix(in oklab, var(--success) 35%, var(--border) 65%);
  padding-right: 16px;
}

.recycle-step-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.recycle-step p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* 優勢面板 */
.recycle-advantage {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-left: 1px solid color-mix(in oklab, var(--success) 30%, var(--border) 70%);
  padding-left: clamp(20px, 2.5vw, 32px);
}

.recycle-advantage-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--success);
  margin-bottom: 4px;
  font-weight: 500;
}

.recycle-advantage-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
}

.recycle-advantage-item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.recycle-advantage-item p {
  margin: 2px 0 0;
  color: var(--muted-strong);
  font-size: 0.9rem;
  line-height: 1.7;
}

.recycle-advantage-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: color-mix(in oklab, var(--success) 18%, transparent);
  border: 1px solid color-mix(in oklab, var(--success) 35%, transparent);
  color: var(--success);
  font-family: var(--font-mono);
  font-weight: 700;
}

.recycle-cta-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.recycle-cta-note {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

/* ===== 服務區域：全台灣 ===== */
.service-area {
  background:
    linear-gradient(135deg, color-mix(in oklab, var(--accent) 10%, transparent) 0%, transparent 50%),
    var(--surface);
  border: 1px solid var(--border-strong);
  padding: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: center;
}

.service-area-copy .section-kicker {
  color: var(--accent);
}

.service-area-title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--fg);
}

.service-area-lede {
  color: var(--muted-strong);
  line-height: 1.8;
  margin-bottom: 18px;
}

.service-area-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid color-mix(in oklab, var(--accent) 40%, var(--border) 60%);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}

.service-area-stat strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.service-area-stat span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

/* 縣市標籤牆 */
.region-tag-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: center;
}

.region-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--fg-soft);
  transition: all 200ms ease;
}

.region-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--tech);
  flex-shrink: 0;
}

.region-tag.is-primary {
  background: color-mix(in oklab, var(--tech) 12%, var(--bg-elevated));
  border-color: color-mix(in oklab, var(--tech) 45%, var(--border) 55%);
  color: var(--fg);
}

.region-tag.is-primary::before {
  background: var(--tech);
}

.region-tag.is-highlight {
  background: var(--accent);
  border-color: var(--accent);
  color: oklch(15% 0.02 55);
  font-weight: 700;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.region-tag.is-highlight::before {
  background: oklch(15% 0.02 55);
}

.region-tag:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

@media (max-width: 720px) {
  .recycle-hero-card {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 20px;
  }
  .recycle-right-panel {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 24px;
  }
  .recycle-main-body {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .recycle-advantage {
    border-left: none;
    border-top: 1px solid color-mix(in oklab, var(--success) 30%, var(--border) 70%);
    padding-left: 0;
    padding-top: 24px;
  }
  .service-area {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .region-tag {
    font-size: 0.98rem;
    padding: 10px 14px;
  }
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .hero-grid,
  .project-grid,
  .contact-grid,
  .footer-grid,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-2,
  .stat-strip,
  .project-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-figure {
    min-height: 480px;
  }
}

@media (max-width: 720px) {
  .masthead-inner {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

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

  .mobile-nav {
    display: grid;
    gap: 12px;
    padding: 0 0 18px;
  }

  .mobile-nav a {
    padding: 10px 0;
    border-top: 1px solid var(--border);
  }

  .grid-3,
  .grid-2,
  .stat-strip,
  .project-metrics {
    grid-template-columns: 1fr;
  }

  .section,
  .hero,
  .page-hero,
  .project-hero {
    padding-top: 28px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.6rem, 14vw, 4.2rem);
  }

  .hero-figure {
    min-height: 360px;
  }

  .product-meta,
  .section-head,
  .footer-grid,
  .info-row {
    grid-template-columns: 1fr;
    display: grid;
  }
}