/* ============================================
   屏東縣內埔產業園區廠商協進會
   Design System: Industrial Refined
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Colors - Industrial palette with warm tones */
  --clr-primary: #3B4856;
  --clr-primary-deep: #1E2A36;
  --clr-accent: #D97706;
  --clr-accent-light: #F59E0B;
  --clr-accent-glow: rgba(217, 119, 6, 0.15);
  --clr-bg: #F7F6F3;
  --clr-bg-warm: #F0EDE8;
  --clr-surface: #FFFFFF;
  --clr-text: #2C3A47;
  --clr-text-muted: #6B7B8D;
  --clr-text-light: #94A3B8;
  --clr-border: #E2DDD5;
  --clr-border-light: #EBE7E0;

  /* Typography */
  --font-display: 'DM Serif Display', 'Noto Sans TC', serif;
  --font-body: 'Source Sans 3', 'Noto Sans TC', sans-serif;

  /* Spacing scale */
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-48: 48px;
  --sp-64: 64px;
  --sp-96: 96px;
  --sp-128: 128px;

  /* Easing */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text);
  background-color: var(--clr-bg);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--clr-primary-deep);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-12);
}

.section-label--center {
  display: block;
  text-align: center;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: var(--sp-24);
}

.section-title--center {
  text-align: center;
}

.section-desc {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto var(--sp-48);
  text-align: center;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-12) var(--sp-32);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}

.btn-primary:hover {
  background: #B45309;
  border-color: #B45309;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--clr-surface);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  color: #fff;
}

.btn-lg {
  padding: var(--sp-16) var(--sp-48);
  font-size: 1.05rem;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(247, 246, 243, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border-light);
  transition: all 0.3s var(--ease-out);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
}

.logo:hover {
  color: inherit;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--clr-primary-deep);
  color: var(--clr-accent-light);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--clr-primary-deep);
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.nav-link {
  padding: var(--sp-8) var(--sp-16);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease-out);
}

.nav-link:hover {
  color: var(--clr-primary-deep);
  background: var(--clr-bg-warm);
}

.nav-link.active {
  color: var(--clr-accent);
  font-weight: 600;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-8);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-primary-deep);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero (Home) --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--clr-primary-deep);
  overflow: hidden;
  padding-top: 72px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 100px 0 60px;
}

.hero-badge {
  display: inline-block;
  padding: var(--sp-8) var(--sp-16);
  background: rgba(217, 119, 6, 0.15);
  color: var(--clr-accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: 100px;
  border: 1px solid rgba(217, 119, 6, 0.25);
  margin-bottom: var(--sp-32);
  animation: fadeInUp 0.8s var(--ease-out) both;
}

.hero-headline {
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  color: #F7F6F3;
  margin-bottom: var(--sp-24);
  animation: fadeInUp 0.8s var(--ease-out) 0.15s both;
}

.hero-accent {
  color: var(--clr-accent-light);
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(247, 246, 243, 0.7);
  max-width: 600px;
  line-height: 1.9;
  margin-bottom: var(--sp-48);
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

.hero-actions {
  display: flex;
  gap: var(--sp-16);
  margin-bottom: var(--sp-64);
  animation: fadeInUp 0.8s var(--ease-out) 0.45s both;
}

.hero-mini-stats {
  display: flex;
  align-items: center;
  gap: var(--sp-32);
  padding-top: var(--sp-32);
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.mini-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--clr-accent-light);
}

.mini-stat span {
  font-size: 0.8rem;
  color: rgba(247, 246, 243, 0.5);
  letter-spacing: 0.05em;
}

.mini-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* --- Page Hero (Sub-pages) --- */
.page-hero {
  position: relative;
  padding: calc(72px + var(--sp-96)) 0 var(--sp-96);
  background: var(--clr-primary-deep);
  overflow: hidden;
  text-align: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.page-hero--news .page-hero-overlay {
  background-image: url('assets/stock/news.jpg');
}

.page-hero--members .page-hero-overlay {
  background-image: url('assets/stock/manufacturing.jpg');
}

.page-hero--contact .page-hero-overlay {
  background-image: url('assets/stock/contact-hero.jpg');
}

.page-hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  color: #F7F6F3;
  margin-bottom: var(--sp-16);
  animation: fadeInUp 0.8s var(--ease-out) 0.15s both;
}

.page-hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(247, 246, 243, 0.6);
  max-width: 500px;
  margin: 0 auto;
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

/* --- Section blocks --- */
.section-block {
  padding: var(--sp-96) 0;
}

.section-block--white {
  background: #FFFFFF;
}

.section-block--gray {
  background: var(--clr-bg);
}

/* --- About --- */
.about {
  padding: var(--sp-128) 0;
  background: #FFFFFF;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-48);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image-wrapper img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-image-label {
  position: absolute;
  bottom: var(--sp-16);
  left: var(--sp-16);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  padding: var(--sp-8) var(--sp-16);
  background: rgba(30, 42, 54, 0.85);
  backdrop-filter: blur(8px);
  color: #F7F6F3;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.about-description {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.9;
  margin-bottom: var(--sp-24);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
  margin-top: var(--sp-32);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  font-weight: 500;
  color: var(--clr-primary-deep);
}

.highlight-item svg {
  color: var(--clr-accent);
  flex-shrink: 0;
}

/* --- Stats --- */
.stats {
  padding: var(--sp-96) 0;
  background: var(--clr-bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
  margin-top: var(--sp-48);
}

.stat-card {
  background: #FFFFFF;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  padding: var(--sp-32);
  text-align: center;
  transition: all 0.3s var(--ease-out);
}

.stat-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 8px 32px rgba(217, 119, 6, 0.08);
  transform: translateY(-4px);
}

.stat-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sp-16);
  color: var(--clr-accent);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--clr-primary-deep);
  margin-bottom: var(--sp-8);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  font-weight: 500;
}

/* --- Services --- */
.services {
  padding: var(--sp-128) 0;
  background: #FFFFFF;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
}

.service-card {
  padding: var(--sp-32);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  transition: all 0.3s var(--ease-out);
}

.service-card:hover {
  border-color: var(--clr-border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
  transform: translateY(-4px);
}

.service-icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-accent-glow);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-24);
  color: var(--clr-accent);
}

.service-title {
  font-size: 1.2rem;
  margin-bottom: var(--sp-12);
}

.service-desc {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Industries --- */
.industries {
  padding: var(--sp-128) 0;
  background: var(--clr-bg);
}

.industries-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-48);
}

.industries-text .section-desc {
  text-align: left;
  margin: 0;
}

.industries-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
}

.industry-card {
  padding: var(--sp-32);
  background: #FFFFFF;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--clr-accent);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.industry-card:hover::before {
  opacity: 1;
}

.industry-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}

.industry-number {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--clr-border);
  margin-bottom: var(--sp-16);
  transition: color 0.3s var(--ease-out);
}

.industry-card:hover .industry-number {
  color: var(--clr-accent);
}

.industry-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--sp-8);
}

.industry-card p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- History / Timeline --- */
.history {
  padding: var(--sp-128) 0;
  background: #FFFFFF;
}

.timeline {
  max-width: 700px;
  margin: var(--sp-48) auto 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  bottom: 0;
  width: 2px;
  background: var(--clr-border);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  padding-bottom: var(--sp-48);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-year {
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50%;
  z-index: 1;
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: var(--sp-8);
}

.timeline-content p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- CTA --- */
.cta {
  padding: var(--sp-96) 0;
  background: var(--clr-primary-deep);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217,119,6,0.1) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: #F7F6F3;
  margin-bottom: var(--sp-24);
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(247, 246, 243, 0.85);
  max-width: 500px;
  margin: 0 auto var(--sp-48);
  line-height: 1.8;
}

/* --- Contact --- */
.contact {
  padding: var(--sp-128) 0;
  background: var(--clr-bg);
}

.contact-grid {
  /* 修復：桌面 2 欄，手機 1 欄 */
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
  margin-bottom: var(--sp-48);
}

.contact-card {
  background: #FFFFFF;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  padding: var(--sp-32);
  text-align: center;
  transition: all 0.3s var(--ease-out);
}

.contact-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 20px rgba(217, 119, 6, 0.08);
}

.contact-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sp-16);
  color: var(--clr-accent);
}

.contact-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--sp-8);
}

.contact-card p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
}

.contact-card a {
  color: var(--clr-accent);
  font-weight: 500;
}

.contact-card a:hover {
  text-decoration: underline;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border-light);
}

.contact-map iframe {
  display: block;
}

/* --- Contact Form --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-64);
}

.contact-form-wrap,
.contact-map-wrap {
  min-width: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-primary-deep);
}

.form-group .required {
  color: var(--clr-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--sp-12) var(--sp-16);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--clr-text);
  background: #FFFFFF;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7B8D' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* --- Map Directions --- */
.map-directions {
  margin-top: var(--sp-32);
}

.map-directions h3 {
  font-size: 1.15rem;
  margin-bottom: var(--sp-24);
}

.direction-item {
  display: flex;
  gap: var(--sp-16);
  margin-bottom: var(--sp-24);
  align-items: flex-start;
}

.direction-item svg {
  color: var(--clr-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.direction-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--clr-primary-deep);
  margin-bottom: var(--sp-4);
}

.direction-item p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* --- News --- */
.news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
  margin-bottom: var(--sp-48);
}

.filter-btn {
  padding: var(--sp-8) var(--sp-24);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  background: #FFFFFF;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
}

.filter-btn:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.filter-btn.active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-32);
}

.news-card {
  background: #FFFFFF;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s var(--ease-out);
  cursor: pointer;
}

.news-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.news-card-image {
  position: relative;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}

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

.news-tag {
  position: absolute;
  top: var(--sp-12);
  left: var(--sp-12);
  padding: var(--sp-4) var(--sp-12);
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.news-tag--event {
  background: var(--clr-primary);
}

.news-tag--industry {
  background: #059669;
}

.news-card-body {
  padding: var(--sp-24);
}

.news-date {
  display: block;
  font-size: 0.8rem;
  color: var(--clr-text-light);
  margin-bottom: var(--sp-8);
  letter-spacing: 0.05em;
}

.news-title {
  font-size: 1.15rem;
  margin-bottom: var(--sp-12);
  line-height: 1.4;
}

.news-excerpt {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-16);
}

.news-readmore {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-accent);
  transition: color 0.2s var(--ease-out);
}

.news-card:hover .news-readmore {
  color: #B45309;
}

/* --- Members --- */
.members-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
  margin-bottom: var(--sp-48);
}

.members-search {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  padding: var(--sp-12) var(--sp-24);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  color: var(--clr-text-light);
}

.search-input {
  flex: 1;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--clr-text);
  outline: none;
}

.search-input::placeholder {
  color: var(--clr-text-light);
}

.members-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
}

.members-stats-bar {
  display: flex;
  gap: var(--sp-32);
  padding: var(--sp-24) var(--sp-32);
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-48);
  flex-wrap: wrap;
}

.members-stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--clr-accent);
}

.members-stat-item span {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.member-category {
  margin-bottom: var(--sp-64);
}

.category-title {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  font-size: 1.25rem;
  color: var(--clr-primary-deep);
  margin-bottom: var(--sp-24);
  padding-bottom: var(--sp-16);
  border-bottom: 2px solid var(--clr-border-light);
}

.category-title svg {
  color: var(--clr-accent);
}

.members-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-16);
}

.member-card {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  padding: var(--sp-24);
  background: #FFFFFF;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  transition: all 0.2s var(--ease-out);
}

.member-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 16px rgba(217, 119, 6, 0.06);
}

.member-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-accent-glow);
  border-radius: var(--radius-md);
  color: var(--clr-accent);
  flex-shrink: 0;
}

.member-name {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-primary-deep);
  margin-bottom: var(--sp-4);
}

.member-industry {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.member-card.hidden {
  display: none;
}

/* --- Board of Directors --- */
.board-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
}

.board-card {
  text-align: center;
  padding: var(--sp-32);
  background: #FFFFFF;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-out);
}

.board-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 8px 32px rgba(217, 119, 6, 0.08);
  transform: translateY(-4px);
}

.board-card--chair {
  border-color: var(--clr-accent);
  background: linear-gradient(135deg, rgba(217,119,6,0.03) 0%, var(--clr-surface) 100%);
}

.board-avatar {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg);
  border-radius: 50%;
  margin: 0 auto var(--sp-16);
  color: var(--clr-text-muted);
}

.board-card--chair .board-avatar {
  background: var(--clr-accent-glow);
  color: var(--clr-accent);
}

.board-role {
  display: inline-block;
  padding: var(--sp-4) var(--sp-12);
  background: var(--clr-accent-glow);
  color: var(--clr-accent);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--sp-12);
}

.board-name {
  font-size: 1.15rem;
  margin-bottom: var(--sp-8);
}

.board-company {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  padding: var(--sp-64) 0 var(--sp-32);
  background: var(--clr-primary-deep);
  color: rgba(247, 246, 243, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-48);
  padding-bottom: var(--sp-48);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  margin-bottom: var(--sp-16);
}

.footer-logo .logo-mark {
  background: rgba(245, 158, 11, 0.15);
}

.footer-logo .logo-text {
  color: rgba(247, 246, 243, 0.9);
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(247, 246, 243, 0.5);
  margin-bottom: var(--sp-16);
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  padding: var(--sp-4) 0;
  color: rgba(247, 246, 243, 0.7);
  transition: color 0.2s var(--ease-out);
}

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

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: var(--sp-4);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
  padding-top: var(--sp-32);
  font-size: 0.8rem;
  color: rgba(247, 246, 243, 0.35);
}

.footer-credit {
  font-size: 0.75rem;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive: Tablet (768px+) --- */
@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-64);
  }

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

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

  .contact-grid {
  /* 修復：桌面 2 欄，手機 1 欄 */
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hamburger {
    display: none !important;
  }

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

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

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

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

  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Responsive: Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .industries-layout {
    grid-template-columns: 1fr 2fr;
    gap: var(--sp-64);
    align-items: start;
  }

  .industries-cards {
    grid-template-columns: 1fr;
  }

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

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

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

  .contact-grid {
  /* 修復：桌面 2 欄，手機 1 欄 */
    grid-template-columns: repeat(4, 1fr);
  }

  .members-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .members-search {
    max-width: 320px;
  }
}

/* --- Responsive: Mobile (<768px) --- */
@media (max-width: 767px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1A365D;
    flex-direction: column;
    padding: var(--sp-32) var(--sp-24);
    gap: var(--sp-8);
    z-index: 999;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    font-size: 1.1rem;
    color: #FFFFFF !important;
    padding: var(--sp-12) var(--sp-16);
  }

  .hamburger {
    display: flex;
  }

  .hero-mini-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-16);
  }

  .mini-stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .timeline::before {
    left: 20px;
  }

  .about {
    padding: var(--sp-96) 0;
  }

  .services,
  .industries,
  .history,
  .contact {
    padding: var(--sp-96) 0;
  }

  .section-block {
    padding: var(--sp-64) 0;
  }

  .page-hero {
    padding: calc(72px + var(--sp-64)) 0 var(--sp-64);
  }

  .board-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Accessibility --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

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

  html {
    scroll-behavior: auto;
  }
}

*:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
}

/* === 手機版修復（2026-03-30） === */
@media (max-width: 767px) {
  /* 1. 修復左右 padding 不足 */
  .container {
    padding: 0 20px !important;
  }

  /* 2. 修復漢堡選單背景透明 */
  .main-nav.open {
    background: rgba(26, 54, 93, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .main-nav.open .nav-link {
    color: #FFFFFF !important;
  }

  /* 3. 修復統計數字左 padding */
  .hero-mini-stats {
    padding-left: 20px !important;
  }

  /* 4. Hero 區文字 padding */
  .hero .container {
    padding: 0 20px !important;
  }

  /* 5. section 內容 padding */
  section .container {
    padding: 0 20px !important;
  }
}

/* === 漢堡選單背景強制修復 === */
@media (max-width: 767px) {
  nav.main-nav.open,
  #mainNav.open {
    background-color: #1A365D !important;
    background: #1A365D !important;
    opacity: 1 !important;
  }
  
  nav.main-nav.open a,
  #mainNav.open a,
  #mainNav.open .nav-link {
    color: #FFFFFF !important;
    text-shadow: none !important;
  }
}

/* === contact 頁面卡片文字修復 === */
.contact-card h3,
.contact-card p,
.contact-card a {
  color: #FFFFFF !important;
}
.contact-card .contact-icon svg {
  color: #F5A623 !important;
}

/* === contact 卡片樣式修復 === */
.contact-card {
  background: #1A365D !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
  border-radius: 12px !important;
  padding: 32px !important;
  text-align: center;
  margin-bottom: 16px;
}
.contact-card h3 {
  color: #FFFFFF !important;
  margin-bottom: 8px;
}
.contact-card p {
  color: #E2E8F0 !important;
}
.contact-card a {
  color: #F5A623 !important;
}
.contact-icon svg {
  width: 32px;
  height: 32px;
  color: #F5A623 !important;
}

/* contact section 白色背景 */
#contact-info {
  background: #F8FAFC !important;
  padding: 60px 0 !important;
}

/* === 修復 reveal 動畫導致卡片不可見 === */
.contact-card.reveal,
.contact-grid .reveal {
  opacity: 1 !important;
  transform: none !important;
}

/* === 最終漢堡選單修復 === */
@media (max-width: 767px) {
  .main-nav {
    background: #1A365D !important;
    min-height: 420px !important; padding-bottom: 60px !important;
  }
  .main-nav.open {
    display: flex !important;
    background: #1A365D !important;
    min-height: 420px !important; padding-bottom: 60px !important;
    padding: 32px 24px !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 12px !important;
  }
  .main-nav.open .nav-link {
    color: #FFFFFF !important;
    font-size: 1.2rem !important;
    padding: 14px 20px !important;
    width: 100% !important;
    text-align: center !important;
    border-bottom: 1px solid rgba(255,255,255,0.1) !important;
  }
}

/* Hero 手機版 */
@media (max-width: 767px) {
  .hero {
    min-height: auto;
    padding-top: 90px;
    padding-bottom: 40px;
  }
  .hero-content {
    padding-top: 40px;
    padding-bottom: 30px;
  }
  .hero-mini-stats {
    margin-top: 20px;
  }
}