:root {
  --bg: #ffffff;
  --surface: #fbfbfa;
  --text: #1f2b38;
  --muted: #5c6975;
  --line: #d7dde3;
  --primary: #174a7c;
  --primary-deep: #102d4a;
  --accent: #b38b59;
  --shadow: 0 16px 40px rgba(16, 45, 74, 0.08);
  --container: min(1120px, calc(100% - 40px));
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans TC", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(23, 74, 124, 0.05), transparent 18%),
    linear-gradient(120deg, rgba(179, 139, 89, 0.08), transparent 35%),
    var(--bg);
  line-height: 1.7;
}

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

.container { width: var(--container); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(215, 221, 227, 0.85);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; }
.brand-logo img { display: block; width: auto; height: 52px; object-fit: contain; }


h1,
.section-heading h2,
.info-card h3,
.product-card h3,
.detail-card h3,
.highlight-card strong {
  font-family: "Noto Serif TC", serif;
}


.header-actions { display: flex; align-items: center; gap: 18px; margin-left: auto; }

.site-nav { display: flex; align-items: center; gap: 20px; font-size: 0.95rem; }
.site-nav a { position: relative; color: var(--muted); padding-bottom: 4px; }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after { transform: scaleX(1); }
.site-nav a.is-active { color: var(--primary-deep); font-weight: 700; }

.language-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border: 1px solid rgba(215, 221, 227, 0.95);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
}

.language-switch button {
  min-width: 52px;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.language-switch button.is-active {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  color: #fff;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: 0;
  background: transparent;
  padding: 4px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--primary-deep); }

.hero,
.page-hero { padding: 76px 0 40px; }

.hero-grid,
.page-hero-grid,
.split-feature,
.about-layout,
.tech-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  gap: 28px;
  align-items: center;
}

.about-copy,
.hero-visual,
.stacked-visuals { display: grid; gap: 18px; }

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3.45rem);
  line-height: 1.18;
  text-wrap: balance;
}

.hero-title {
  white-space: pre-line;
  text-wrap: balance;
  word-break: keep-all;
}

.hero-text,
.section-heading p,
.info-card p,
.product-card p,
.product-card span,
.detail-card p,
.contact-info p,
.highlight-card p { color: var(--muted); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button:hover,
.button:focus-visible { transform: translateY(-1px); }
.button-primary { background: linear-gradient(135deg, var(--primary-deep), var(--primary)); color: #fff; box-shadow: var(--shadow); }
.button-secondary { border-color: var(--line); color: var(--primary-deep); background: rgba(255, 255, 255, 0.86); }
.full { width: 100%; }

.section,
.quick-links { padding: 40px 0 80px; }
.section-tight { padding-top: 12px; padding-bottom: 12px; }
.alt { background: linear-gradient(180deg, rgba(244, 246, 248, 0.92), rgba(255, 255, 255, 0.76)); }

.section-heading { max-width: 760px; margin-bottom: 28px; }
.section-heading.compact,
.section-heading.left { margin-bottom: 0; }
.section-heading h2 { margin: 0 0 12px; font-size: clamp(1.9rem, 2vw, 2.8rem); }

.card-grid.three,
.product-grid,
.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-card,
.detail-card,
.product-card,
.contact-form,
.highlight-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(215, 221, 227, 0.85);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.info-card,
.detail-card,
.product-card,
.highlight-card { padding: 24px; }
.highlight-card strong { display: block; margin-bottom: 8px; font-size: 1.25rem; }
.info-card h3,
.detail-card h3,
.product-card h3 { margin: 18px 0 10px; font-size: 1.24rem; }
.info-card a { display: inline-block; margin-top: 18px; color: var(--primary); font-weight: 700; }
.equipment-list ul,
.quality-grid ul { margin: 0; padding-left: 20px; color: var(--muted); }

.timeline { position: relative; display: grid; gap: 18px; padding-left: 24px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--accent), rgba(23, 74, 124, 0.2));
}
.timeline article {
  position: relative;
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.timeline article::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
}
.timeline span { display: inline-block; margin-bottom: 8px; font-weight: 700; color: var(--primary-deep); }

.image-placeholder {
  display: grid;
  align-content: end;
  gap: 10px;
  width: 100%;
  border: 1px solid rgba(215, 221, 227, 0.85);
  border-radius: 24px;
  background: rgba(244, 247, 250, 0.86);
  color: var(--primary-deep);
  text-align: center;
  padding: 0;
  overflow: hidden;
}
.image-placeholder span { font-weight: 700; }
.image-placeholder small { color: var(--muted); max-width: 280px; }
.image-placeholder.has-image {
  display: block;
  position: relative;
}
.media-image {
  width: 100%;
  height: 100%;
  min-height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.brand-logo img.media-image { object-fit: contain; }

.image-placeholder img[src*="contact-hero_image_title"] {
  object-fit: contain;
  background: #fff;
}
.media-caption {
  display: none;
}
.image-tall { min-height: 420px; max-height: 420px; }
.image-wide { min-height: 300px; max-height: 300px; }
.image-card { min-height: 180px; max-height: 180px; border-radius: 20px; }
.image-card.large { min-height: 260px; max-height: 260px; }

.contact-layout { align-items: start; }
.contact-info { display: grid; gap: 10px; margin-bottom: 24px; }
.contact-info a { color: var(--primary); font-weight: 700; }
.contact-form { display: grid; gap: 14px; padding: 28px; }
.contact-form label { display: grid; gap: 8px; font-weight: 700; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: 2px solid rgba(23, 74, 124, 0.18); border-color: var(--primary); }

.site-footer { padding: 28px 0 40px; border-top: 1px solid var(--line); background: #fbfcfd; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 0.92rem; }

@media (max-width: 980px) {
  .hero-grid,
  .page-hero-grid,
  .split-feature,
  .about-layout,
  .tech-layout,
  .contact-layout,
  .card-grid.three,
  .product-grid,
  .quality-grid { grid-template-columns: 1fr; }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px 24px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
  }

  .header-actions {
    margin-left: 0;
  }

  .site-header.nav-open .site-nav { display: flex; }
  .menu-toggle { display: inline-flex; }
}

@media (max-width: 720px) {
  .hero,
  .page-hero { padding-top: 44px; }
  .header-inner { min-height: 70px; }
    h1 { font-size: 2rem; }
  .section,
  .quick-links { padding: 30px 0 56px; }
  .footer-inner { flex-direction: column; }
  .header-actions { gap: 10px; }
  .language-switch button { min-width: 44px; padding: 7px 10px; }
}

.admin-body {
  background:
    radial-gradient(circle at top right, rgba(23, 74, 124, 0.08), transparent 28%),
    linear-gradient(180deg, #f5f7fa 0%, #eef2f6 100%);
}

.admin-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(215, 221, 227, 0.9);
  background: rgba(250, 252, 254, 0.92);
  backdrop-filter: blur(14px);
}

.admin-header-inner {
  width: min(1380px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-mode-badge {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(179, 139, 89, 0.14);
  color: #7a5d31;
  font-weight: 700;
}

.admin-mode-badge.is-remote {
  background: rgba(23, 74, 124, 0.12);
  color: var(--primary-deep);
}

.admin-layout {
  width: min(1380px, calc(100% - 32px));
  margin: 28px auto 48px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 360px;
  gap: 22px;
  align-items: start;
}

.admin-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(215, 221, 227, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.admin-card h1,
.admin-card h2 {
  margin: 0;
  font-family: "Noto Serif TC", serif;
}

.admin-page-nav {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.admin-page-nav button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  text-align: left;
  border-radius: 16px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.admin-page-nav button.is-active {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  color: #fff;
  border-color: transparent;
}

.admin-tips {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.admin-main {
  display: grid;
  gap: 20px;
}

.admin-main-panels {
  display: grid;
  gap: 20px;
}

.admin-toolbar,
.admin-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-label {
  margin: 0 0 6px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.admin-status {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.status-pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(179, 139, 89, 0.14);
  color: #7a5d31;
  font-weight: 700;
}

.status-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.admin-form-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.admin-field span {
  font-weight: 700;
}

.admin-field small {
  color: var(--muted);
}

.admin-field input,
.admin-field textarea,
.mini-editor-card input,
.mini-editor-card textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

.admin-field input:focus,
.admin-field textarea:focus,
.mini-editor-card input:focus,
.mini-editor-card textarea:focus {
  outline: 2px solid rgba(23, 74, 124, 0.18);
  border-color: var(--primary);
}

.admin-field-wide {
  grid-column: 1 / -1;
}

.upload-mock {
  margin-top: 4px;
}

.admin-advantage-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mini-editor-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(244, 246, 248, 0.55), rgba(255, 255, 255, 0.9));
  display: grid;
  gap: 12px;
}

.sticky-preview {
  position: sticky;
  top: 106px;
}

.admin-import-button {
  cursor: pointer;
}

.admin-preview-frame-wrap {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  min-height: 720px;
}

.admin-preview-frame-wrap iframe {
  width: 100%;
  min-height: 720px;
  border: 0;
  background: #fff;
}

.preview-browser {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
}

.preview-browser-bar {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  background: #f3f6f8;
  border-bottom: 1px solid var(--line);
}

.preview-browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d0d7de;
}

.preview-page {
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(23, 74, 124, 0.04), transparent 18%),
    #fff;
}

.preview-topbar,
.preview-hero,
.preview-cards,
.preview-buttons {
  display: flex;
}

.preview-topbar {
  justify-content: space-between;
  margin-bottom: 18px;
}

.preview-logo {
  width: 96px;
  height: 18px;
  border-radius: 8px;
  background: #dce7f2;
}

.preview-menu {
  width: 140px;
  height: 12px;
  border-radius: 999px;
  background: #e7edf3;
}

.preview-hero {
  gap: 14px;
  align-items: stretch;
}

.preview-copy {
  flex: 1;
}

.preview-line {
  height: 12px;
  border-radius: 999px;
  background: #dde6ef;
  margin-bottom: 12px;
}

.preview-line.short { width: 38%; }
.preview-line.medium { width: 70%; }
.preview-line.long { width: 92%; height: 16px; }

.preview-buttons {
  gap: 10px;
  margin-top: 18px;
}

.preview-buttons span {
  width: 94px;
  height: 32px;
  border-radius: 999px;
  background: #1f4c7b;
}

.preview-buttons .outline {
  background: transparent;
  border: 1px solid #cfd7df;
}

.preview-image {
  width: 42%;
  min-height: 180px;
  border-radius: 20px;
  border: 1px dashed #bfd0df;
  background: linear-gradient(135deg, rgba(23, 74, 124, 0.08), rgba(179, 139, 89, 0.08));
}

.preview-cards {
  gap: 12px;
  margin-top: 18px;
}

.preview-cards div {
  flex: 1;
  height: 82px;
  border-radius: 18px;
  background: #f6f8fa;
  border: 1px solid #e0e6eb;
}

@media (max-width: 1180px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .sticky-preview {
    position: static;
  }
}

@media (max-width: 860px) {
  .admin-header-inner,
  .admin-toolbar,
  .admin-section-title,
  .admin-header-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-form-grid,
  .admin-advantage-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .brand-logo img { height: 42px; }
}




.quick-links .image-card {
  height: 260px;
  min-height: 260px;
  max-height: 260px;
}

.quick-links .media-image {
  object-position: center center;
}

.image-service-wide {
  height: 280px;
  min-height: 280px;
  max-height: 280px;
  border-radius: 24px;
}

body[data-page="products"] .page-hero .media-image,
body[data-page="products"] .product-grid .media-image,
body[data-page="products"] .split-feature .media-image {
  object-fit: cover;
  object-position: center center;
}

body[data-page="about"] .page-hero-grid,
body[data-page="about"] .about-layout {
  align-items: start;
}

body[data-page="about"] .stacked-visuals {
  gap: 20px;
}

body[data-page="about"] .image-service-wide .media-image {
  object-fit: cover;
  object-position: center center;
}

body[data-page="contact"] .page-hero .media-image[src$="contact-hero_image_title.svg"],
body[data-page="contact"] .page-hero .media-image[src$="contact-hero_image_title.jpg"] {
  object-fit: contain;
  object-position: center center;
  background: #fff;
  padding: 20px;
}