/* Fanworkshop — Industrial Workshop Editorial */

:root {
  --color-ink: #14110f;
  --color-ink-soft: #2a2420;
  --color-paper: #f7f2ea;
  --color-paper-warm: #efe6d8;
  --color-white: #fffdf9;
  --color-seal: #c0392b;
  --color-seal-dark: #9b2c22;
  --color-accent: #d4a017;
  --color-muted: #6b625a;
  --color-line: #d9cfc0;
  --color-ok: #2e7d4f;

  --font-sans: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif;
  --font-display: "Syne", "Noto Sans TC", sans-serif;
  --font-price: "Oswald", "Noto Sans TC", sans-serif;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.75rem;
  --fs-xl: clamp(2rem, 4vw, 3rem);
  --fs-hero: clamp(2.4rem, 6vw, 4.2rem);
  --fs-price: clamp(2.8rem, 8vw, 5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --radius-sm: 2px;
  --radius: 4px;
  --radius-lg: 10px;

  --shadow-sm: 0 2px 8px rgba(20, 17, 15, 0.08);
  --shadow-md: 0 12px 32px rgba(20, 17, 15, 0.12);
  --shadow-lg: 0 24px 60px rgba(20, 17, 15, 0.18);

  --header-h: 7rem;
  --container: 1120px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-seal);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-seal-dark);
}

:focus-visible {
  outline: 2px solid var(--color-seal);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 var(--space-4);
}

p {
  margin: 0 0 var(--space-4);
}

ul, ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  z-index: 1000;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(247, 242, 234, 0.98);
  border-bottom: 1px solid var(--color-line);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 253, 249, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  position: relative;
  z-index: 202;
}

.logo img {
  display: block;
  height: 6rem;
  width: auto;
  max-width: min(22rem, 70vw);
  object-fit: contain;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Desktop: nav sits in sticky header bar (sibling of header, not inside it) */
.site-nav {
  display: none;
}

@media (min-width: 769px) {
  .site-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 201;
    margin-top: calc(var(--header-h) * -1);
    margin-inline: auto;
    height: var(--header-h);
    width: min(100% - 2rem, var(--container));
    pointer-events: none;
  }

  .site-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.15rem;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    max-width: calc(100% - 12rem);
    height: 100%;
    pointer-events: auto;
  }

  .site-nav a {
    display: block;
    padding: 0.55rem 0.8rem;
    color: var(--color-ink-soft);
    font-size: var(--fs-sm);
    font-weight: 600;
    border-radius: var(--radius);
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    color: var(--color-seal);
    background: rgba(192, 57, 43, 0.08);
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(28rem, 78vh, 40rem);
  display: grid;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
  background: var(--color-ink);
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(20, 17, 15, 0.88) 18%, rgba(20, 17, 15, 0.55) 55%, rgba(192, 57, 43, 0.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-8) 0;
}

.hero-kicker {
  display: inline-block;
  border: 1px solid rgba(255, 253, 249, 0.45);
  padding: 0.35rem 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.hero h1 {
  font-size: var(--fs-hero);
  max-width: 14ch;
  margin-bottom: var(--space-5);
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.price-badge {
  background: var(--color-seal);
  color: var(--color-white);
  padding: var(--space-4) var(--space-5);
  border: 2px solid var(--color-white);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.25);
  min-width: 11rem;
}

.price-badge .label {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.price-badge .amount {
  font-family: var(--font-price);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.price-badge .note {
  font-size: var(--fs-xs);
  opacity: 0.85;
}

.hero-sub {
  max-width: 36rem;
  color: rgba(255, 253, 249, 0.88);
  margin-bottom: var(--space-6);
}

.page-hero {
  padding: var(--space-8) 0 var(--space-7);
  background:
    linear-gradient(135deg, var(--color-ink) 0%, var(--color-ink-soft) 60%, #4a1c18 100%);
  color: var(--color-white);
}

.page-hero h1 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-3);
}

.page-hero p {
  max-width: 40rem;
  color: rgba(255, 253, 249, 0.85);
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.4rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-seal);
  color: var(--color-white);
  border-color: var(--color-seal);
}

.btn-primary:hover {
  background: var(--color-seal-dark);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 253, 249, 0.7);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-ink);
}

.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Sections */
.section {
  padding: var(--space-8) 0;
}

.section-alt {
  background: var(--color-paper-warm);
}

.section-dark {
  background: var(--color-ink);
  color: var(--color-white);
}

.section-dark .muted {
  color: rgba(255, 253, 249, 0.72);
}

.section-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-3);
}

.section-lead {
  color: var(--color-muted);
  max-width: 42rem;
  margin-bottom: var(--space-6);
}

.section-head {
  margin-bottom: var(--space-6);
}

.section-head.center,
.center {
  text-align: center;
}

.section-head.center .section-lead {
  margin-inline: auto;
}

.divider {
  width: 3.5rem;
  height: 3px;
  background: var(--color-seal);
  border: 0;
  margin: 0 0 var(--space-5);
}

.center .divider {
  margin-inline: auto;
  margin-bottom: var(--space-5);
}

.muted {
  color: var(--color-muted);
}

/* Cards / grids */
.grid-4,
.grid-3,
.grid-2 {
  display: grid;
  gap: var(--space-5);
}

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

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

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

.service-card,
.feature-card,
.guarantee-card,
.plan-card,
.portfolio-card,
.content-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover,
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-card {
  text-align: center;
  color: inherit;
  display: block;
  height: 100%;
}

.service-card .icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto var(--space-4);
  border: 2px solid var(--color-ink);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  background: var(--color-paper-warm);
}

.service-card h3 {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

.service-card p {
  color: var(--color-muted);
  margin: 0;
  font-size: var(--fs-sm);
}

.guarantee-card {
  text-align: center;
}

.guarantee-card .icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-3);
}

.guarantee-card h3 {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--color-ink);
}

.section-dark .guarantee-card {
  background: rgba(255, 253, 249, 0.06);
  border-color: rgba(255, 253, 249, 0.18);
  color: var(--color-white);
}

.section-dark .guarantee-card .icon {
  color: var(--color-accent);
}

.section-dark .guarantee-card h3 {
  color: var(--color-white);
}

/* Pricing / features */
.plan-hero {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-6);
  align-items: start;
}

.plan-card {
  text-align: center;
  border: 2px solid var(--color-ink);
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: "劃一收費";
  position: absolute;
  top: 1rem;
  right: -2rem;
  background: var(--color-seal);
  color: white;
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 0.35rem 2.5rem;
  transform: rotate(35deg);
}

.plan-card .plan-name {
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.plan-card .plan-price {
  font-family: var(--font-price);
  font-size: var(--fs-price);
  font-weight: 600;
  color: var(--color-seal);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.plan-card .plan-unit {
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: var(--space-5);
}

.feature-list li {
  break-inside: avoid;
  padding: 0.55rem 0 0.55rem 1.6rem;
  position: relative;
  border-bottom: 1px dashed var(--color-line);
  font-size: var(--fs-sm);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-ok);
  font-weight: 700;
}

.feature-group {
  margin-bottom: var(--space-5);
}

.feature-group h3 {
  font-size: var(--fs-md);
  border-left: 4px solid var(--color-seal);
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

table.pricing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: var(--fs-sm);
}

.pricing-table th,
.pricing-table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}

.pricing-table th {
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 700;
}

.pricing-table td:first-child,
.pricing-table th:first-child {
  text-align: left;
  font-weight: 600;
  background: var(--color-paper-warm);
  color: var(--color-ink);
  position: sticky;
  left: 0;
}

.pricing-table tr:nth-child(even) td:not(:first-child) {
  background: rgba(239, 230, 216, 0.35);
}

.pricing-table .section-row td {
  background: var(--color-ink-soft) !important;
  color: var(--color-white);
  text-align: left;
  font-weight: 700;
}

.pricing-table .check {
  color: var(--color-ok);
  font-weight: 700;
}

.ps-note {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: rgba(212, 160, 23, 0.12);
  border-left: 4px solid var(--color-accent);
}

/* Portfolio */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter-btn {
  border: 1px solid var(--color-line);
  background: var(--color-white);
  color: var(--color-ink-soft);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  font-size: var(--fs-xs);
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.portfolio-card {
  padding: 0;
  overflow: hidden;
}

.portfolio-card.is-hidden {
  display: none;
}

.portfolio-card a {
  color: inherit;
  display: block;
}

.portfolio-card .thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-paper-warm);
  border-bottom: 1px solid var(--color-line);
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio-card:hover img {
  transform: scale(1.05);
}

.portfolio-card .meta {
  padding: var(--space-4);
}

.portfolio-card .tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--color-seal);
  color: var(--color-seal);
  padding: 0.15rem 0.45rem;
  margin-bottom: var(--space-2);
}

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

/* Content prose */
.prose h2,
.prose h3 {
  margin-top: var(--space-6);
}

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

.content-card + .content-card {
  margin-top: var(--space-5);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-6);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
}

.contact-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
}

.contact-list strong {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.15rem;
}

.map-embed {
  width: 100%;
  min-height: 280px;
  height: 300px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-paper-warm);
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: 0;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  font: inherit;
  color: var(--color-ink);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--color-seal);
  outline-offset: 1px;
  border-color: var(--color-seal);
}

.interest-list {
  display: grid;
  gap: var(--space-2);
}

.interest-list label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  cursor: pointer;
}

.form-status {
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  min-height: 1.4em;
}

.form-status.is-error {
  color: var(--color-seal);
}

.form-status.is-ok {
  color: var(--color-ok);
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 253, 249, 0.82);
  padding: var(--space-7) 0 var(--space-5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.site-footer h3 {
  color: var(--color-white);
  font-size: var(--fs-md);
}

.site-footer a {
  color: rgba(255, 253, 249, 0.85);
}

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

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 253, 249, 0.12);
  padding-top: var(--space-4);
  font-size: var(--fs-xs);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
  z-index: 95;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  color: #fff;
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.whatsapp-float svg {
  width: 1.65rem;
  height: 1.65rem;
  fill: currentColor;
}

/* Back to top — sits above WhatsApp */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 5.25rem;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 50%;
  background: var(--color-seal);
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 90;
}

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

.back-to-top:hover {
  background: var(--color-seal-dark);
}

/* Blog article */
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

.blog-meta .tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: rgba(192, 57, 43, 0.1);
  color: var(--color-seal);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-xs);
}

.article-wrap {
  max-width: 46rem;
  margin-inline: auto;
}

.blog-cover {
  margin: calc(var(--space-5) * -1) calc(var(--space-5) * -1) var(--space-5);
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--color-ink);
}

.blog-cover img {
  width: 100%;
  height: clamp(12rem, 40vw, 20rem);
  object-fit: cover;
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.blog-entry {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-entry:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-entry-link {
  display: grid;
  color: inherit;
  text-decoration: none;
}

.blog-entry-cover {
  background: var(--color-ink);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-entry-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.blog-entry:hover .blog-entry-cover img {
  transform: scale(1.04);
}

.blog-entry-body {
  padding: var(--space-4);
}

.blog-entry-body .blog-meta {
  margin-bottom: var(--space-3);
}

.blog-entry-body h3 {
  margin-bottom: var(--space-3);
  font-size: 1.125rem;
  line-height: 1.35;
}

.blog-entry-body p {
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-entry-more {
  font-weight: 700;
  color: var(--color-seal);
  font-size: var(--fs-sm);
}

.page-hero .blog-crumb {
  display: inline-block;
  border: 1px solid rgba(255, 253, 249, 0.45);
  padding: 0.35rem 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.page-hero .blog-crumb a {
  color: rgba(255, 253, 249, 0.9);
}

.page-hero .blog-crumb a:hover {
  color: var(--color-white);
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

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

body.nav-open {
  overflow: hidden;
}

/* Scroll animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* CTA band */
.cta-band {
  padding: var(--space-7) 0;
  background:
    linear-gradient(120deg, var(--color-seal-dark), var(--color-seal) 55%, #d4a017);
  color: var(--color-white);
  text-align: center;
}

.cta-band h2 {
  margin-bottom: var(--space-3);
}

.cta-band p {
  max-width: 36rem;
  margin: 0 auto var(--space-5);
  opacity: 0.92;
}

/* Utilities */
.mb-0 { margin-bottom: 0; }
.mt-6 { margin-top: var(--space-6); }

/* Responsive */
@media (max-width: 960px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3,
  .portfolio-grid,
  .blog-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .plan-hero,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-list {
    columns: 1;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 220;
  }

  .site-nav {
    display: block;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    height: 100vh;
    margin: 0;
    background: var(--color-white);
    padding: calc(var(--header-h) + var(--space-5)) var(--space-5) var(--space-7);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 190;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    box-shadow: none;
    border: 0;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .site-nav ul {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
    height: auto;
    width: auto;
    pointer-events: auto;
  }

  .site-nav a {
    display: block;
    padding: 1rem 0.25rem;
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--color-ink-soft);
    border-bottom: 1px solid var(--color-line);
    border-radius: 0;
  }

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

  .hero h1 {
    max-width: none;
  }

  .whatsapp-float {
    right: 1rem;
    bottom: 1rem;
    width: 3rem;
    height: 3rem;
  }

  .back-to-top {
    right: 1rem;
    bottom: 4.85rem;
  }
}

@media (max-width: 560px) {
  .grid-4,
  .grid-3,
  .grid-2,
  .portfolio-grid,
  .blog-list {
    grid-template-columns: 1fr;
  }

  .price-badge {
    width: 100%;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-slide {
    transition: none;
  }
}

/* =====================================================================
   CMS 新增元件（Blog / 分頁 / 麵包屑 / 摘要 / FAQ / 搜尋 / 表單狀態）
   沿用原有設計語言：工業編輯風、紙感底色、印章紅
   ===================================================================== */

.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;
}

/* ---------- 麵包屑 ---------- */
.breadcrumb {
  background: var(--color-paper-warm);
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-3) 0;
  font-size: var(--fs-xs);
}
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-muted);
}
.breadcrumb li + li::before {
  content: "›";
  margin-right: var(--space-2);
  color: var(--color-line);
}
.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-seal); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--color-ink); font-weight: 600; }

/* ---------- TL;DR 重點摘要（GEO）---------- */
.page-summary {
  max-width: var(--container);
  margin: var(--space-6) auto 0;
  padding: var(--space-5) var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 5px solid var(--color-seal);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.page-summary-label {
  display: inline-block;
  font-family: var(--font-price);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-seal);
  margin-bottom: var(--space-2);
}
.page-summary p {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.9;
  color: var(--color-ink-soft);
}
@media (max-width: 900px) {
  .page-summary { margin: var(--space-5) var(--space-4) 0; padding: var(--space-4); }
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  font-weight: 700;
  font-size: var(--fs-base);
  list-style: none;
  position: relative;
  padding-right: var(--space-8);
  transition: background var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-price);
  font-size: 1.5rem;
  color: var(--color-seal);
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { background: var(--color-paper-warm); }
.faq-answer {
  padding: 0 var(--space-5) var(--space-4);
  color: var(--color-ink-soft);
  line-height: 1.9;
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-4);
}
.faq-answer p { margin: 0; }

/* ---------- Blog 卡片 ---------- */
.blog-grid { align-items: stretch; }
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-card > a { display: flex; flex-direction: column; width: 100%; text-decoration: none; color: inherit; }
.blog-card-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-paper-warm); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-body { padding: var(--space-5); display: flex; flex-direction: column; flex: 1; gap: var(--space-2); }
.blog-card-meta { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.blog-card-body time { font-family: var(--font-price); font-size: var(--fs-xs); color: var(--color-muted); letter-spacing: 0.05em; }
.blog-card-body h2, .blog-card-body h3 {
  margin: 0; font-size: var(--fs-md); line-height: 1.45; color: var(--color-ink);
}
.blog-card-body p { margin: 0; font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.8; flex: 1; }
.read-more { font-size: var(--fs-xs); font-weight: 700; color: var(--color-seal); letter-spacing: 0.05em; }
.tag {
  display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: var(--fs-xs);
  background: var(--color-paper-warm); color: var(--color-ink-soft); border: 1px solid var(--color-line);
  text-decoration: none;
}
a.tag:hover { background: var(--color-seal); color: #fff; border-color: var(--color-seal); }

/* ---------- Blog 工具列 ---------- */
.blog-toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  flex-wrap: wrap; margin-bottom: var(--space-6); padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}
.blog-cats { list-style: none; margin: 0; padding: 0; display: flex; gap: var(--space-2); flex-wrap: wrap; }
.blog-cats a {
  display: inline-block; padding: 6px 14px; border-radius: 20px; font-size: var(--fs-sm);
  color: var(--color-ink-soft); text-decoration: none; border: 1px solid var(--color-line);
  background: var(--color-white); transition: all var(--transition);
}
.blog-cats a:hover { border-color: var(--color-seal); color: var(--color-seal); }
.blog-cats a.is-active { background: var(--color-ink); color: var(--color-white); border-color: var(--color-ink); }
.blog-cats span { opacity: 0.6; font-size: var(--fs-xs); margin-left: 4px; }

/* ---------- 搜尋表單 ---------- */
.search-form { display: flex; gap: var(--space-2); align-items: center; }
.search-form input[type="search"] {
  padding: 10px 14px; border: 1px solid var(--color-line); border-radius: var(--radius);
  font-family: var(--font-sans); font-size: var(--fs-sm); background: var(--color-white);
  min-width: 200px; color: var(--color-ink);
}
.search-form input[type="search"]:focus { outline: 0; border-color: var(--color-seal); }
.search-form-lg { max-width: 620px; margin: 0 auto var(--space-6); }
.search-form-lg input[type="search"] { flex: 1; padding: 14px 18px; font-size: var(--fs-base); }

.search-results { list-style: none; margin: 0; padding: 0; }
.search-results li {
  padding: var(--space-5) 0; border-bottom: 1px solid var(--color-line);
}
.search-results h2 { margin: var(--space-2) 0; font-size: var(--fs-md); }
.search-results h2 a { color: var(--color-ink); text-decoration: none; }
.search-results h2 a:hover { color: var(--color-seal); }
.search-results p { margin: 0 0 var(--space-2); color: var(--color-muted); font-size: var(--fs-sm); }
.result-url { font-size: var(--fs-xs); color: var(--color-ok); }

.empty-state { text-align: center; padding: var(--space-8) var(--space-4); color: var(--color-muted); }

/* ---------- 文章內頁 ---------- */
.container-narrow { max-width: 820px; }
.post-single { padding-top: var(--space-6); }
.post-header { margin-bottom: var(--space-5); }
.post-cat {
  display: inline-block; font-family: var(--font-price); font-size: var(--fs-xs);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-seal);
  text-decoration: none; margin-bottom: var(--space-3);
}
.post-header h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.3; margin: 0 0 var(--space-4); }
.post-meta {
  display: flex; gap: var(--space-4); flex-wrap: wrap; font-size: var(--fs-xs);
  color: var(--color-muted); padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-line);
}
.post-cover { margin: var(--space-5) 0; }
.post-cover img { width: 100%; border-radius: var(--radius); border: 1px solid var(--color-line); }
.post-content { font-size: var(--fs-base); line-height: 1.95; color: var(--color-ink-soft); }
.post-content h2 { font-size: var(--fs-lg); margin: var(--space-7) 0 var(--space-4); color: var(--color-ink); }
.post-content h3 { font-size: var(--fs-md); margin: var(--space-6) 0 var(--space-3); color: var(--color-ink); }
.post-content p { margin: 0 0 var(--space-4); }
.post-content ul, .post-content ol { margin: 0 0 var(--space-4); padding-left: 1.4em; }
.post-content li { margin-bottom: var(--space-2); }
.post-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: var(--space-4) 0; }
.post-content blockquote {
  margin: var(--space-5) 0; padding: var(--space-4) var(--space-5);
  border-left: 4px solid var(--color-seal); background: var(--color-paper-warm); font-style: italic;
}
.post-content table { width: 100%; border-collapse: collapse; margin: var(--space-5) 0; font-size: var(--fs-sm); }
.post-content th, .post-content td { padding: 10px 14px; border: 1px solid var(--color-line); text-align: left; }
.post-content th { background: var(--color-paper-warm); font-weight: 700; }
.post-tags { display: flex; gap: var(--space-2); flex-wrap: wrap; margin: var(--space-6) 0; }
.post-cta {
  margin: var(--space-7) 0 0; padding: var(--space-6); background: var(--color-ink); color: var(--color-paper);
  border-radius: var(--radius); text-align: center;
}
.post-cta h3 { margin: 0 0 var(--space-3); color: var(--color-white); font-size: var(--fs-md); }
.post-cta p { margin: 0 0 var(--space-4); color: rgba(247, 242, 234, 0.8); font-size: var(--fs-sm); }
.post-cta .btn-group { justify-content: center; }
.page-updated { font-size: var(--fs-xs); color: var(--color-muted); text-align: right; padding: var(--space-4) 0; }

/* ---------- 分頁 ---------- */
.pagination { margin: var(--space-7) 0 0; text-align: center; }
.pagination ul {
  list-style: none; margin: 0; padding: 0; display: flex; justify-content: center;
  gap: var(--space-2); flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: block; min-width: 42px; padding: 9px 14px; border: 1px solid var(--color-line);
  border-radius: var(--radius); background: var(--color-white); color: var(--color-ink-soft);
  text-decoration: none; font-size: var(--fs-sm); transition: all var(--transition);
}
.pagination a:hover { border-color: var(--color-seal); color: var(--color-seal); }
.pagination .current { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-white); font-weight: 700; }
.pagination .disabled { opacity: 0.4; }
.pagination .gap { border: 0; background: none; }
.pagination-info { margin: var(--space-4) 0 0; font-size: var(--fs-xs); color: var(--color-muted); }

/* ---------- 表單狀態訊息 ---------- */
.form-notice {
  padding: 12px 16px; border-radius: var(--radius); margin: 0 0 var(--space-4);
  font-size: var(--fs-sm); line-height: 1.75;
}
.form-notice-ok { background: #e7f4ec; border: 1px solid #b9e0c8; color: #1c6b3c; }
.form-notice-err { background: #fbeceb; border: 1px solid #f0c4c0; color: #9b2c22; }

/* ---------- 頁尾社交連結 ---------- */
.footer-social { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-4); }
.footer-social a {
  font-size: var(--fs-xs); padding: 5px 12px; border: 1px solid rgba(247, 242, 234, 0.25);
  border-radius: 20px; text-decoration: none; transition: all var(--transition);
}
.footer-social a:hover { background: var(--color-seal); border-color: var(--color-seal); color: #fff; }

/* ---------- WhatsApp 左下角選項 ---------- */
.whatsapp-float.whatsapp-left { left: 1.5rem; right: auto; }

/* ---------- 子選單 ---------- */
.site-nav .sub-nav {
  list-style: none; margin: 0; padding: 0;
}
@media (min-width: 901px) {
  .site-nav li { position: relative; }
  .site-nav .sub-nav {
    position: absolute; top: 100%; left: 0; min-width: 190px; background: var(--color-ink);
    border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: var(--space-2);
    opacity: 0; visibility: hidden; transform: translateY(6px); transition: all var(--transition); z-index: 40;
  }
  .site-nav li:hover .sub-nav { opacity: 1; visibility: visible; transform: none; }
  .site-nav .sub-nav a { display: block; padding: 8px 12px; font-size: var(--fs-sm); }
}

/* ---------- RWD ---------- */
@media (max-width: 900px) {
  .blog-toolbar { flex-direction: column; align-items: stretch; }
  .search-form input[type="search"] { min-width: 0; flex: 1; }
  .post-cta { padding: var(--space-5) var(--space-4); }
  .post-meta { gap: var(--space-2) var(--space-3); }
}