/* === Font Faces === */
@font-face { font-family: 'InstrumentSans'; src: url('./_shared/fonts/InstrumentSans-Regular.ttf') format('truetype'); font-weight: 400; }
@font-face { font-family: 'InstrumentSans'; src: url('./_shared/fonts/InstrumentSans-Bold.ttf') format('truetype'); font-weight: 700; }
@font-face { font-family: 'GeistMono'; src: url('./_shared/fonts/GeistMono-Regular.ttf') format('truetype'); font-weight: 400; }

/* === CSS Variables === */
:root {
  --bg: #060a14;
  --bg2: rgba(255,255,255,0.03);
  --bg2-solid: #0d1321;
  --bg3-solid: #111827;
  --ink: #e8ecf4;
  --muted: #7c8ba5;
  --rule: rgba(0,200,255,0.12);
  --accent: #00C8FF;
  --accent2: #00FFB2;
  --accent3: #8B5CF6;
  --font: 'InstrumentSans', -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'GeistMono', 'Menlo', monospace;
  --max: 1200px;
  --radius: 14px;
  --glow: 0 0 40px rgba(0,200,255,0.15);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

/* === Ambient Background === */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 15% 20%, rgba(0,200,255,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 85% 60%, rgba(0,255,178,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 90%, rgba(139,92,246,0.05) 0%, transparent 70%);
}

/* === NAV === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(6,10,20,0.8);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo {
  font-size: 1.15rem; font-weight: 700; color: #fff;
  text-decoration: none; display: flex; align-items: center; gap: 0.6rem;
}
.logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 9px; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; color: #fff; font-weight: 800; letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: 1.8rem; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 0.85rem;
  font-weight: 500; transition: color 0.25s; position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--accent); border-radius: 1px;
  transform: scaleX(0); transition: transform 0.25s;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2)) !important;
  color: #fff !important; padding: 0.4rem 1rem; border-radius: 8px;
  font-weight: 600 !important; font-size: 0.82rem !important;
}
.nav-cta::after { display: none !important; }
.nav-mobile-btn {
  display: none; background: none; border: none;
  color: var(--ink); font-size: 1.4rem; cursor: pointer;
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(6,10,20,0.95); padding: 1rem 2rem 2rem; gap: 1rem; border-bottom: 1px solid var(--rule); }
  .nav-mobile-btn { display: block; }
}

/* === HERO === */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6,10,20,0.92) 0%, rgba(6,10,20,0.55) 45%, rgba(6,10,20,0.88) 100%);
}
.hero-particles {
  position: absolute; inset: 0; overflow: hidden; z-index: 1;
}
.hero-particle {
  position: absolute; width: 2px; height: 2px; border-radius: 50%;
  background: var(--accent); opacity: 0.4;
  animation: float-up linear infinite;
}
@keyframes float-up {
  0% { transform: translateY(100vh) scale(1); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.2; }
  100% { transform: translateY(-20px) scale(0.5); opacity: 0; }
}
.hero-content {
  position: relative; z-index: 2; max-width: var(--max);
  margin: 0 auto; padding: 8rem 2rem 4rem; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(0,200,255,0.08); border: 1px solid rgba(0,200,255,0.2);
  color: var(--accent); font-size: 0.78rem; font-weight: 600;
  padding: 0.35rem 1rem; border-radius: 24px; margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 6px; height: 6px; background: var(--accent2); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent2); } 50% { opacity: 0.3; box-shadow: none; } }
.hero h1 {
  font-size: 3.4rem; font-weight: 700; color: #fff; line-height: 1.2;
  max-width: 750px; margin-bottom: 1.2rem; letter-spacing: -0.02em;
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero .subtitle {
  font-size: 1.05rem; color: var(--muted); max-width: 600px;
  margin-bottom: 2rem; line-height: 1.8;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent), #0090dd);
  color: #fff; padding: 0.75rem 1.6rem; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: 0.92rem;
  border: none; transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,200,255,0.35);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: var(--ink);
  padding: 0.75rem 1.6rem; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: 0.92rem;
  border: 1px solid rgba(255,255,255,0.15); transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); background: rgba(0,200,255,0.05); }
.hero-stats {
  display: flex; gap: 3rem; margin-top: 3.5rem;
  padding-top: 2rem; border-top: 1px solid var(--rule);
}
.hero-stat .num {
  font-size: 2rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stat .label { font-size: 0.82rem; color: var(--muted); margin-top: 0.2rem; }
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2;
}
.scroll-line {
  width: 2px; height: 40px; background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-bounce 2s infinite;
  border-radius: 1px;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.5; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
}

/* === CONTAINERS === */
.container { max-width: var(--max); margin: 0 auto; padding: 5rem 2rem; position: relative; z-index: 1; }
.container-sm { max-width: 860px; margin: 0 auto; padding: 5rem 2rem; position: relative; z-index: 1; }

/* === SECTION HEADER === */
.section-header { margin-bottom: 3rem; }
.section-label {
  font-size: 0.72rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 0.5rem;
}
.section-title {
  font-size: 2rem; font-weight: 700; color: #fff;
  line-height: 1.3; margin-bottom: 0.6rem; letter-spacing: -0.01em;
}
.section-desc { font-size: 1rem; color: var(--muted); max-width: 620px; line-height: 1.7; }
.section-divider {
  width: 50px; height: 3px; border-radius: 2px; margin-bottom: 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}

/* === ABOUT === */
.about-grid {
  display: grid; grid-template-columns: 1fr 320px; gap: 3rem; margin-bottom: 3rem;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-text p { color: var(--muted); margin-bottom: 1rem; line-height: 1.8; }
.about-text p strong { color: var(--ink); }
.about-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.about-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; transition: border-color 0.3s, box-shadow 0.3s;
}
.about-card:hover { border-color: rgba(0,200,255,0.3); box-shadow: var(--glow); }
.about-card.highlight {
  border-color: rgba(0,200,255,0.3);
  background: linear-gradient(135deg, rgba(0,200,255,0.06), rgba(0,255,178,0.03));
}
.about-card-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.about-card h4 { font-size: 0.92rem; color: #fff; margin-bottom: 0.3rem; }
.about-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.6; }

/* Timeline */
.about-timeline { display: flex; gap: 2rem; padding: 2rem 0; position: relative; }
.about-timeline::before {
  content: ''; position: absolute; top: 50%; left: 5%; right: 5%;
  height: 2px; background: var(--rule); transform: translateY(-50%);
}
.timeline-item {
  flex: 1; text-align: center; position: relative;
}
.timeline-year {
  font-size: 1.4rem; font-weight: 700; color: var(--accent);
  font-family: var(--font-mono); margin-bottom: 0.5rem;
}
.timeline-dot {
  width: 14px; height: 14px; border-radius: 50%; background: var(--bg);
  border: 2px solid var(--muted); margin: 0.8rem auto;
  position: relative; z-index: 1;
}
.timeline-dot.active {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(0,200,255,0.5);
  background: var(--accent);
}
.timeline-text {
  font-size: 0.82rem; color: var(--muted); line-height: 1.6;
  max-width: 220px; margin: 0 auto;
}
@media (max-width: 600px) {
  .about-timeline { flex-direction: column; gap: 1.5rem; }
  .about-timeline::before { display: none; }
}

/* === PRODUCTS === */
.products-section { background: var(--bg2-solid); }
.product-filter {
  display: flex; gap: 0.6rem; margin-bottom: 2rem; flex-wrap: wrap;
}
.filter-btn {
  padding: 0.45rem 1.1rem; border-radius: 20px; border: 1px solid var(--rule);
  background: transparent; color: var(--muted); font-size: 0.82rem;
  font-weight: 600; cursor: pointer; transition: all 0.25s;
  font-family: var(--font);
}
.filter-btn:hover { border-color: rgba(0,200,255,0.4); color: var(--accent); }
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border-color: transparent;
}
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 3rem;
}
@media (max-width: 900px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .products-grid { grid-template-columns: 1fr; } }
.product-card {
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,200,255,0.35);
  box-shadow: 0 12px 40px rgba(0,200,255,0.1);
}
.product-card.featured { border-color: rgba(0,200,255,0.25); }
.card-featured-badge {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  background: linear-gradient(135deg, #FF6B35, #FF3366);
  color: #fff; font-size: 0.68rem; font-weight: 700;
  padding: 0.2rem 0.6rem; border-radius: 4px;
}
.card-visual {
  height: 200px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.card-visual img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.product-card:hover .card-visual img { transform: scale(1.05); }
.card-visual::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,200,255,0.04), rgba(0,255,178,0.02));
  z-index: 1; pointer-events: none;
}
.card-visual::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--bg) 100%);
  z-index: 1; pointer-events: none;
}
.sfp-visual::before { background: linear-gradient(135deg, rgba(0,200,255,0.06), rgba(0,200,255,0.02)); }
.qsfp-visual::before { background: linear-gradient(135deg, rgba(0,255,178,0.06), rgba(0,200,255,0.02)); }
.osfp-visual::before { background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(0,200,255,0.02)); }
.card-3d {
  position: relative; z-index: 1;
  font-size: 2.2rem; font-weight: 800; letter-spacing: 0.05em;
  color: rgba(255,255,255,0.08);
  text-shadow: 0 0 60px rgba(0,200,255,0.15);
}
.card-body { padding: 1.3rem 1.4rem; }
.card-tags { display: flex; gap: 0.4rem; margin-bottom: 0.6rem; flex-wrap: wrap; }
.tag {
  display: inline-block; font-size: 0.65rem; font-weight: 700;
  padding: 0.15rem 0.5rem; border-radius: 4px;
  background: rgba(0,200,255,0.08); color: var(--accent);
  border: 1px solid rgba(0,200,255,0.15);
}
.tag.rate { background: rgba(0,200,255,0.08); color: var(--accent); border-color: rgba(0,200,255,0.15); }
.tag.rate.hot { background: rgba(255,107,53,0.1); color: #FF6B35; border-color: rgba(255,107,53,0.2); }
.tag.form { background: rgba(0,255,178,0.08); color: var(--accent2); border-color: rgba(0,255,178,0.15); }
.tag.type { background: rgba(139,92,246,0.08); color: var(--accent3); border-color: rgba(139,92,246,0.15); }
.product-card h3 { font-size: 1rem; color: #fff; margin-bottom: 0.4rem; }
.product-card p { font-size: 0.84rem; color: var(--muted); line-height: 1.6; margin-bottom: 0.8rem; }
.card-specs { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.card-specs span {
  font-size: 0.72rem; color: var(--muted);
  background: var(--bg2); padding: 0.2rem 0.6rem; border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.04);
}

/* Spec Table */
.product-summary { margin-top: 1rem; }
.product-summary h3 {
  font-size: 1.1rem; color: #fff; margin-bottom: 1rem;
}
.spec-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--rule); }
.spec-table {
  width: 100%; border-collapse: collapse; font-size: 0.88rem;
}
.spec-table thead th {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-weight: 700; padding: 0.7rem 1rem;
  text-align: left; font-size: 0.82rem;
}
.spec-table tbody td {
  padding: 0.65rem 1rem; border-bottom: 1px solid var(--rule);
  background: var(--bg2-solid); color: var(--muted);
}
.spec-table tbody td strong { color: var(--accent); }
.spec-table tbody tr:hover td { background: rgba(0,200,255,0.04); }
.spec-table tbody tr:last-child td { border-bottom: none; }

/* === PROCESS SECTION === */
.process-section { background: var(--bg); }
.process-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 3rem;
}
@media (max-width: 768px) { .process-stats { grid-template-columns: repeat(2, 1fr); } }
.p-stat {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.2rem 1rem; text-align: center; transition: border-color 0.3s;
}
.p-stat:hover { border-color: rgba(0,200,255,0.3); }
.p-stat-num {
  font-size: 1.6rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.p-stat-label { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }

.process-group {
  margin-bottom: 3rem; padding: 2rem;
  background: var(--bg2); border: 1px solid var(--rule);
  border-radius: var(--radius); transition: border-color 0.3s;
}
.process-group:hover { border-color: rgba(0,200,255,0.2); }
.process-group:last-child { margin-bottom: 0; }
.process-group-title {
  display: flex; align-items: flex-start; gap: 1.2rem; margin-bottom: 2rem;
}
.process-group-num {
  font-size: 2.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-family: var(--font-mono); line-height: 1; flex-shrink: 0;
}
.process-group-title h3 {
  font-size: 1.15rem; color: #fff; margin-bottom: 0.3rem;
}
.process-group-title p { font-size: 0.88rem; color: var(--muted); }

/* Process Group Workshop Image */
.process-image {
  position: relative; border-radius: 10px; overflow: hidden;
  margin-bottom: 1.5rem; aspect-ratio: 16/7;
  border: 1px solid var(--rule);
}
.process-image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.6s ease;
}
.process-group:hover .process-image img { transform: scale(1.03); }
.process-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(6,10,20,0.5) 100%);
  pointer-events: none;
}
.process-image-caption {
  position: absolute; bottom: 0.8rem; left: 1rem; z-index: 1;
  display: flex; align-items: center; gap: 0.5rem;
}
.process-image-caption span {
  font-size: 0.72rem; font-weight: 600; color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.45); backdrop-filter: blur(6px);
  padding: 0.2rem 0.7rem; border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.1);
}

/* === MOULD GALLERY === */
.mould-gallery {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem;
  margin: 1.5rem 0;
}
.mould-gallery-item {
  position: relative; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--rule); aspect-ratio: 1/1.2;
  transition: border-color 0.3s, transform 0.3s;
}
.mould-gallery-item:hover {
  border-color: rgba(0,200,255,0.35); transform: translateY(-3px);
}
.mould-gallery-item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.5s ease;
}
.mould-gallery-item:hover img { transform: scale(1.08); }
.mould-gallery-item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,10,20,0.85) 0%, transparent 50%);
  pointer-events: none;
}
.mould-gallery-caption {
  position: absolute; bottom: 0.6rem; left: 0.6rem; right: 0.6rem; z-index: 1;
  font-size: 0.72rem; font-weight: 600; color: rgba(255,255,255,0.9);
  text-align: center;
}
@media (max-width: 768px) {
  .mould-gallery { grid-template-columns: repeat(2, 1fr); }
}

/* === MOULD CAPABILITY === */
.mould-capability {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin: 1.5rem 0; padding: 1.5rem;
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
}
.mould-cap-item {
  display: flex; gap: 0.8rem; padding: 0.8rem;
  background: rgba(255,255,255,0.02); border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color 0.3s, background 0.3s;
}
.mould-cap-item:hover {
  border-color: rgba(0,200,255,0.2);
  background: rgba(0,200,255,0.03);
}
.mould-cap-icon {
  font-size: 1.5rem; flex-shrink: 0; line-height: 1;
}
.mould-cap-text h4 {
  font-size: 0.85rem; font-weight: 700; color: #fff;
  margin-bottom: 0.3rem;
}
.mould-cap-text p {
  font-size: 0.76rem; color: var(--muted); line-height: 1.6;
}
@media (max-width: 900px) {
  .mould-capability { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .mould-capability { grid-template-columns: 1fr; }
}

.process-flow {
  display: flex; gap: 0; overflow-x: auto; padding-bottom: 0.5rem;
}
.process-step {
  flex: 0 0 160px; text-align: center; padding: 1rem 0.5rem;
  background: var(--bg); border: 1px solid var(--rule);
  border-radius: 10px; margin: 0 0.4rem; transition: border-color 0.3s, transform 0.3s;
}
.process-step:hover {
  border-color: rgba(0,200,255,0.3); transform: translateY(-3px);
}
.step-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.step-title { font-size: 0.88rem; font-weight: 700; color: #fff; margin-bottom: 0.3rem; }
.step-desc { font-size: 0.72rem; color: var(--muted); line-height: 1.5; }
.flow-arrow {
  flex: 0 0 30px; display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1rem; opacity: 0.4;
}

/* === EQUIPMENT === */
.equipment-section { background: var(--bg2-solid); }
.equip-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  margin-bottom: 2rem;
}
@media (max-width: 900px) { .equip-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .equip-grid { grid-template-columns: repeat(2, 1fr); } }
.equip-card {
  background: var(--bg); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 1.4rem; text-align: center;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.equip-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0,200,255,0.3);
  box-shadow: 0 8px 24px rgba(0,200,255,0.08);
}
.equip-card:hover .equip-icon { transform: scale(1.15); }
.equip-icon { font-size: 2rem; margin-bottom: 0.6rem; transition: transform 0.3s; }
.equip-card h4 { font-size: 0.9rem; color: #fff; margin-bottom: 0.3rem; }
.equip-card p { font-size: 0.78rem; color: var(--muted); line-height: 1.5; }
.equip-card p strong { color: var(--accent); }

/* Equipment Workshop Showcase */
.equipment-showcase { margin-bottom: 2.5rem; }
.equipment-workshop {
  position: relative; border-radius: 14px; overflow: hidden;
  aspect-ratio: 16/7; border: 1px solid var(--rule);
}
.equipment-workshop img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.6s ease;
}
.equipment-workshop:hover img { transform: scale(1.02); }
.equipment-workshop-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,10,20,0.9) 0%, transparent 70%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.5rem;
}
.equipment-workshop-tag {
  display: inline-block; background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; padding: 0.3rem 0.8rem; border-radius: 4px;
  font-size: 0.72rem; font-weight: 600; margin-bottom: 0.5rem; align-self: flex-start;
}
.equipment-workshop-caption {
  font-size: 0.88rem; color: rgba(255,255,255,0.85); line-height: 1.5;
}

/* Equipment Summary */
.equipment-summary {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  padding-top: 2rem; border-top: 1px solid var(--rule);
}
@media (max-width: 900px) { .equipment-summary { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .equipment-summary { grid-template-columns: 1fr; } }
.equipment-stat {
  text-align: center;
}
.equipment-stat-num {
  font-size: 2rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 0.3rem;
}
.equipment-stat-label {
  font-size: 0.78rem; color: var(--muted);
}

/* === INNOVATION === */
.innovation-section { background: var(--bg); }
.innovation-grid { display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 3rem; }
.innovation-card {
  display: flex; gap: 1.5rem; padding: 1.8rem;
  background: var(--bg2); border: 1px solid var(--rule);
  border-radius: var(--radius); transition: border-color 0.3s;
}
.innovation-card:hover { border-color: rgba(0,200,255,0.3); }
.innovation-num {
  font-size: 2.2rem; font-weight: 800; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-family: var(--font-mono);
}
.innovation-card h4 { font-size: 1rem; color: #fff; margin-bottom: 0.5rem; }
.innovation-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.7; }
.innovation-card p strong { color: var(--ink); }
@media (max-width: 600px) { .innovation-card { flex-direction: column; gap: 0.8rem; } }

.innovation-highlights {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem;
}
@media (max-width: 900px) { .innovation-highlights { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px) { .innovation-highlights { grid-template-columns: repeat(2, 1fr); } }
.hl-card {
  background: var(--bg2); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 1.2rem; text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}
.hl-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-2px); }
.hl-value {
  font-size: 1.2rem; font-weight: 700; color: var(--accent);
  margin-bottom: 0.3rem;
}
.hl-label { font-size: 0.72rem; color: var(--muted); }

/* === QUALITY === */
.quality-section {
  background: linear-gradient(135deg, rgba(0,200,255,0.03), rgba(0,255,178,0.02));
}
.quality-inner {
  padding: 3rem; background: var(--bg2); border: 1px solid var(--rule);
  border-radius: var(--radius); text-align: center;
}
.quality-body { max-width: 700px; margin: 0 auto 2rem; }
.quality-body p { color: var(--muted); margin-bottom: 1rem; line-height: 1.8; }
.quality-body p strong { color: var(--ink); }
.quality-badges { display: flex; justify-content: center; gap: 2rem; margin-top: 2rem; }
.quality-badge { text-align: center; }
.quality-badge-icon { font-size: 2.2rem; margin-bottom: 0.5rem; }
.quality-badge-label { font-size: 0.9rem; font-weight: 700; color: #fff; }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: 0.8rem; }
.faq-item {
  background: var(--bg2); border: 1px solid var(--rule);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.3s; cursor: pointer;
}
.faq-item:hover { border-color: rgba(0,200,255,0.25); }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-q {
  padding: 1.2rem 1.4rem; font-weight: 600; color: #fff;
  font-size: 0.95rem; position: relative;
}
.faq-q::after {
  content: '+'; position: absolute; right: 1.4rem; top: 50%; transform: translateY(-50%);
  font-size: 1.3rem; color: var(--accent); transition: transform 0.3s;
}
.faq-a {
  display: none; padding: 0 1.4rem 1.2rem;
  font-size: 0.88rem; color: var(--muted); line-height: 1.7;
  border-top: 1px solid var(--rule); padding-top: 1rem; margin-top: 0;
}

/* === CTA === */
.cta-section { background: var(--bg2-solid); }
.cta-inner {
  padding: 3rem; background: linear-gradient(135deg, rgba(0,200,255,0.06), rgba(0,255,178,0.04));
  border: 1px solid rgba(0,200,255,0.2); border-radius: var(--radius);
  text-align: center;
}
.cta-inner h2 { font-size: 1.8rem; color: #fff; margin-bottom: 0.8rem; }
.cta-inner p { font-size: 1rem; color: var(--muted); max-width: 600px; margin: 0 auto 2rem; line-height: 1.7; }
.cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* === FOOTER === */
.footer { background: var(--bg); border-top: 1px solid var(--rule); padding: 3rem 0 1.5rem; }
.footer-inner {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 600px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 400px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-logo { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.8rem; }
.footer-logo .name { font-size: 1.1rem; font-weight: 700; color: #fff; }
.footer-brand .desc { font-size: 0.84rem; color: var(--muted); line-height: 1.6; }
.footer-links h4 { font-size: 0.85rem; color: #fff; margin-bottom: 0.8rem; }
.footer-links a {
  display: block; font-size: 0.82rem; color: var(--muted);
  text-decoration: none; margin-bottom: 0.4rem; transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center; font-size: 0.78rem; color: var(--muted);
  padding-top: 1.5rem; border-top: 1px solid var(--rule);
}

/* === SCROLL ANIMATIONS === */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* === CONTAINER NARROW === */
.container-narrow { max-width: var(--max); margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }

/* === TRUST BAR === */
.trust-bar { padding: 2rem 0; background: var(--bg2-solid); border-bottom: 1px solid var(--rule); position: relative; z-index: 1; }
.trust-items { display: flex; justify-content: center; gap: 2.5rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--muted); white-space: nowrap; }
.trust-icon { font-size: 1.1rem; }
.trust-text { font-weight: 600; }

/* === BTN SIZES === */
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
.btn-outline { background: transparent !important; border: 1px solid rgba(0,200,255,0.4) !important; color: var(--accent) !important; }
.btn-outline:hover { background: rgba(0,200,255,0.08) !important; }

/* === FLOATING CTA === */
.floating-cta { position: fixed; right: 1.5rem; bottom: 2rem; z-index: 99; display: flex; flex-direction: column; gap: 0.6rem; }
.float-btn { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; text-decoration: none; transition: transform 0.3s, box-shadow 0.3s; }
.float-btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; box-shadow: 0 4px 16px rgba(0,200,255,0.3); }
.float-btn.primary:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(0,200,255,0.4); }
.float-btn.secondary { background: var(--bg2-solid); border: 1px solid var(--rule); color: var(--muted); }
.float-btn.secondary:hover { border-color: var(--accent); color: var(--accent); }

/* === PRODUCT FILTER PANEL === */
.product-filter-panel { margin-bottom: 1.5rem; padding: 1.2rem 1.5rem; background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius); }
.filter-row { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.8rem; flex-wrap: wrap; }
.filter-row:last-child { margin-bottom: 0; }
.filter-label { font-size: 0.82rem; font-weight: 700; color: var(--muted); flex-shrink: 0; }
.filter-btns { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.rate-btn {
  padding: 0.35rem 0.8rem; border-radius: 16px; border: 1px solid var(--rule);
  background: transparent; color: var(--muted); font-size: 0.78rem;
  font-weight: 600; cursor: pointer; transition: all 0.25s; font-family: var(--font);
}
.rate-btn:hover { border-color: rgba(0,200,255,0.4); color: var(--accent); }
.rate-btn.active { background: rgba(0,200,255,0.15); color: var(--accent); border-color: rgba(0,200,255,0.4); }

/* === PRODUCT CARD ACTIONS === */
.card-actions { display: flex; gap: 0.5rem; margin-top: 0.8rem; }
.card-dl, .card-sample {
  font-size: 0.75rem; font-weight: 600; text-decoration: none; padding: 0.3rem 0.7rem;
  border-radius: 6px; transition: all 0.2s; cursor: pointer; display: inline-block;
}
.card-dl { background: rgba(0,200,255,0.08); color: var(--accent); border: 1px solid rgba(0,200,255,0.15); }
.card-dl:hover { background: rgba(0,200,255,0.15); }
.card-sample { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; border: 1px solid transparent; }
.card-sample:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,200,255,0.2); }

/* === DATASHEET CTA === */
.summary-desc { font-size: 0.88rem; color: var(--muted); margin-bottom: 1rem; }
.datasheet-cta { display: flex; gap: 1rem; margin-top: 1.5rem; }

/* === QUALITY LAB === */
.lab-section { background: var(--bg2-solid); }
.lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
@media (max-width: 768px) { .lab-grid { grid-template-columns: 1fr; } }
.lab-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--rule); transition: border-color 0.3s; }
.lab-card:hover { border-color: rgba(0,200,255,0.3); }
.lab-card img { width: 100%; height: 240px; object-fit: cover; display: block; }
.lab-card-body { padding: 1.2rem 1.4rem; background: var(--bg); }
.lab-card-body h4 { font-size: 1rem; color: #fff; margin-bottom: 0.4rem; }
.lab-card-body p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.lab-highlights { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.8rem; }
@media (max-width: 768px) { .lab-highlights { grid-template-columns: repeat(3, 1fr); } }
.lab-hl { background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1rem; text-align: center; transition: border-color 0.3s; }
.lab-hl:hover { border-color: rgba(0,200,255,0.3); }
.lab-hl-val { font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-bottom: 0.2rem; }
.lab-hl-lbl { font-size: 0.72rem; color: var(--muted); }

/* === CUSTOMER CASES === */
.cases-section { background: var(--bg); }
.cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-bottom: 2rem; }
@media (max-width: 900px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .cases-grid { grid-template-columns: 1fr; } }
.case-card { background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.4rem; transition: border-color 0.3s, transform 0.3s; }
.case-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-2px); }
.case-logo { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 0.5rem; }
.case-tag { display: inline-block; font-size: 0.65rem; font-weight: 700; padding: 0.15rem 0.5rem; border-radius: 4px; margin-bottom: 0.6rem; }
.tag-strategic { background: rgba(0,200,255,0.1); color: var(--accent); border: 1px solid rgba(0,200,255,0.2); }
.tag-longterm { background: rgba(0,255,178,0.1); color: var(--accent2); border: 1px solid rgba(0,255,178,0.2); }
.case-desc { font-size: 0.84rem; color: var(--muted); line-height: 1.6; }
.cases-trust-note { font-size: 0.85rem; color: var(--muted); line-height: 1.7; padding: 1.2rem 1.5rem; background: rgba(0,200,255,0.04); border: 1px solid rgba(0,200,255,0.1); border-radius: var(--radius); }
.cases-trust-note strong { color: var(--ink); }

/* === TECH CENTER === */
.tech-section { background: var(--bg2-solid); }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .tech-grid { grid-template-columns: 1fr; } }
.tech-card { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.8rem; transition: border-color 0.3s, transform 0.3s; }
.tech-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-3px); }
.tech-tag { display: inline-block; font-size: 0.68rem; font-weight: 700; color: var(--accent2); background: rgba(0,255,178,0.1); border: 1px solid rgba(0,255,178,0.15); padding: 0.15rem 0.5rem; border-radius: 4px; margin-bottom: 0.8rem; }
.tech-card h3 { font-size: 1.05rem; color: #fff; margin-bottom: 0.6rem; line-height: 1.5; }
.tech-card p { font-size: 0.84rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
.tech-link { font-size: 0.88rem; font-weight: 600; color: var(--accent); text-decoration: none; transition: gap 0.2s; display: inline-flex; align-items: center; }
.tech-link:hover { color: var(--accent2); }

/* === FAQ SECTION === */
.faq-section { background: var(--bg); }

/* === CONTACT FORM === */
.contact-section { background: var(--bg2-solid); }
.contact-grid { display: grid; grid-template-columns: 1fr 320px; gap: 2rem; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-form-wrap { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius); padding: 2rem; }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 600px) { .contact-form .form-row { grid-template-columns: 1fr; } }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--muted); margin-bottom: 0.4rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.65rem 0.9rem; background: var(--bg2-solid); border: 1px solid var(--rule);
  border-radius: 8px; color: var(--ink); font-size: 0.9rem; font-family: var(--font);
  transition: border-color 0.2s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); opacity: 0.5; }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group.full { grid-column: 1 / -1; }
.form-actions { margin-top: 1.5rem; }
.form-note { display: block; font-size: 0.78rem; color: var(--muted); margin-top: 0.8rem; }

/* === CONTACT SIDEBAR === */
.contact-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.sidebar-card { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.4rem; }
.sidebar-card.highlight { border-color: rgba(0,200,255,0.2); background: linear-gradient(135deg, rgba(0,200,255,0.04), rgba(0,255,178,0.02)); }
.sidebar-card h4 { font-size: 0.95rem; color: #fff; margin-bottom: 0.5rem; }
.sidebar-card p { font-size: 0.84rem; color: var(--muted); margin-bottom: 0.8rem; line-height: 1.6; }
.sidebar-contacts div { font-size: 0.84rem; color: var(--muted); margin-bottom: 0.3rem; }
.sidebar-contacts strong { color: var(--ink); }
.dl-link { display: block; font-size: 0.85rem; color: var(--accent); text-decoration: none; padding: 0.6rem 0; border-bottom: 1px solid var(--rule); transition: color 0.2s; }
.dl-link:last-child { border-bottom: none; }
.dl-link:hover { color: var(--accent2); }

/* === MODAL === */
.modal-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); display: none; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg2-solid); border: 1px solid var(--rule); border-radius: var(--radius); padding: 2rem; width: 90%; max-width: 440px; position: relative; }
.modal-close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: var(--muted); font-size: 1.5rem; cursor: pointer; transition: color 0.2s; }
.modal-close:hover { color: #fff; }
.modal h3 { font-size: 1.2rem; color: #fff; margin-bottom: 0.5rem; }
.modal p { font-size: 0.88rem; color: var(--muted); margin-bottom: 1.2rem; }
.modal form { display: flex; flex-direction: column; gap: 0.8rem; }
.modal form input { padding: 0.7rem 1rem; background: var(--bg); border: 1px solid var(--rule); border-radius: 8px; color: var(--ink); font-size: 0.9rem; font-family: var(--font); outline: none; transition: border-color 0.2s; }
.modal form input:focus { border-color: var(--accent); }
.modal form input::placeholder { color: var(--muted); opacity: 0.5; }
.modal-note { display: block; font-size: 0.72rem; color: var(--muted); margin-top: 0.8rem; text-align: center; }

/* === WHY CHOOSE US === */
.why-section { background: var(--bg); }
.why-grid { display: flex; flex-direction: column; gap: 2.5rem; }
.why-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative; overflow: hidden;
}
.why-card-img {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.why-card-reverse { direction: rtl; }
.why-card-reverse > * { direction: ltr; }
.why-card-visual {
  position: relative; min-height: 320px; overflow: hidden;
}
.why-card-visual img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.6s ease;
}
.why-card:hover .why-card-visual img { transform: scale(1.05); }
.why-card-visual::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,200,255,0.03), transparent 60%);
  pointer-events: none;
}
.why-card-content {
  padding: 2.5rem; display: flex; flex-direction: column; justify-content: center;
}
.why-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  opacity: 0; transition: opacity 0.3s; z-index: 2;
}
.why-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,200,255,0.08); }
.why-card:hover::before { opacity: 1; }
.why-num {
  font-size: 2.5rem; font-weight: 800; line-height: 1; margin-bottom: 0.8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-family: var(--font-mono); opacity: 0.3;
}
.why-card h3 { font-size: 1.2rem; color: #fff; margin-bottom: 0.7rem; line-height: 1.4; }
.why-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.2rem; }
.why-card p strong { color: var(--ink); }
.why-metric { display: flex; gap: 1.2rem; flex-wrap: wrap; padding-top: 1rem; border-top: 1px solid var(--rule); }
.why-val { font-size: 1.05rem; font-weight: 700; color: var(--accent); display: block; }
.why-lbl { font-size: 0.72rem; color: var(--muted); display: block; }

/* === CASE METRICS === */
.case-metrics {
  display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.6rem; padding-top: 0.6rem;
  border-top: 1px solid var(--rule);
}
.case-metrics span {
  font-size: 0.68rem; font-weight: 700; padding: 0.15rem 0.5rem; border-radius: 4px;
  background: rgba(0,200,255,0.06); color: var(--accent); border: 1px solid rgba(0,200,255,0.1);
}

/* === FOOTER 5-COLUMN === */
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-inner { grid-template-columns: 1fr; } }

/* === NAV SCROLL STATE === */
.nav.scrolled { background: rgba(6,10,20,0.95); box-shadow: 0 2px 20px rgba(0,0,0,0.3); }

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .section-title { font-size: 1.5rem; }
  .hero h1 { font-size: 1.8rem; }
  .process-flow { gap: 0; }
  .process-step { flex: 0 0 130px; }
  .floating-cta { right: 0.8rem; bottom: 1rem; }
  .float-btn { width: 42px; height: 42px; font-size: 1.1rem; }
  .lab-highlights { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
  .hero-actions { flex-direction: column; }
  .btn-lg { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
  .datasheet-cta { flex-direction: column; }
  .why-grid { /* flex-direction column stays */ }
  .why-num { font-size: 2rem; }
  .why-card-img { grid-template-columns: 1fr; }
  .why-card-reverse { direction: ltr; }
  .why-card-visual { min-height: 200px; }
  .why-card-content { padding: 1.5rem; }
  .equip-grid { grid-template-columns: 1fr; }
  .lab-highlights { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* === LANGUAGE SWITCHER === */
.lang-switcher {
  position: relative;
  margin-right: 0.8rem;
}
.lang-switcher-btn {
  display: flex; align-items: center; gap: 0.35rem;
  background: rgba(255,255,255,0.05); border: 1px solid var(--rule);
  color: var(--ink); padding: 0.35rem 0.7rem; border-radius: 8px;
  font-size: 0.78rem; font-weight: 600; cursor: pointer;
  transition: all 0.25s; font-family: var(--font); white-space: nowrap;
}
.lang-switcher-btn:hover {
  border-color: rgba(0,200,255,0.4); background: rgba(0,200,255,0.05);
}
.lang-switcher-btn .lang-flag {
  font-size: 1rem; line-height: 1;
}
.lang-switcher-btn .lang-arrow {
  font-size: 0.6rem; transition: transform 0.25s;
}
.lang-switcher-btn.open .lang-arrow { transform: rotate(180deg); }

.lang-switcher-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 160px; max-height: 380px; overflow-y: auto;
  background: rgba(13,19,33,0.98); backdrop-filter: blur(20px);
  border: 1px solid var(--rule); border-radius: 10px;
  padding: 0.4rem; z-index: 200;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.lang-switcher-menu.open {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-switcher-menu::-webkit-scrollbar { width: 5px; }
.lang-switcher-menu::-webkit-scrollbar-thumb {
  background: rgba(0,200,255,0.2); border-radius: 3px;
}

.lang-option {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 0.7rem; border-radius: 7px;
  color: var(--muted); font-size: 0.8rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.lang-option:hover {
  background: rgba(0,200,255,0.06); color: #fff;
}
.lang-option.active {
  background: linear-gradient(135deg, rgba(0,200,255,0.12), rgba(0,255,178,0.06));
  color: var(--accent); font-weight: 600;
}
.lang-option .lang-flag {
  font-size: 1.15rem; line-height: 1;
}
.lang-option .lang-code {
  margin-left: auto; font-size: 0.68rem; color: var(--muted);
  font-family: var(--font-mono); text-transform: uppercase;
}
.lang-option.active .lang-code { color: var(--accent); }

/* RTL support for Arabic */
html[lang="ar"] {
  direction: rtl;
}
html[lang="ar"] .nav-inner {
  flex-direction: row-reverse;
}
html[lang="ar"] .nav-links {
  flex-direction: row-reverse;
}
html[lang="ar"] .hero-content {
  text-align: right;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .lang-switcher {
    position: static;
    margin-right: 0.5rem;
  }
  .lang-switcher-menu {
    position: fixed; top: 64px; right: 0; left: 0;
    min-width: auto; max-height: 50vh;
    border-radius: 0 0 10px 10px;
  }
  .lang-switcher-btn .lang-text { display: none; }
}

/* === RELIABILITY LAB (Export Trust) === */
.reliability-section { background: var(--bg); }
.reliability-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem;
}
@media (max-width: 768px) { .reliability-intro { grid-template-columns: 1fr; } }
.reliability-intro-card {
  background: linear-gradient(135deg, rgba(0,200,255,0.04), rgba(0,255,178,0.02));
  border: 1px solid rgba(0,200,255,0.12); border-radius: var(--radius);
  padding: 1.8rem; transition: border-color 0.3s, transform 0.3s;
}
.reliability-intro-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-2px); }
.reliability-intro-card h3 { font-size: 1.05rem; color: #fff; margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.6rem; }
.reliability-intro-card h3 .icon { font-size: 1.4rem; }
.reliability-intro-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.7; }
.reliability-intro-card .highlight { color: var(--accent2); font-weight: 600; }

.reliability-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-bottom: 2.5rem;
}
@media (max-width: 768px) { .reliability-grid { grid-template-columns: 1fr; } }
.reliability-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.reliability-card:hover {
  border-color: rgba(0,200,255,0.3); transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.reliability-card-img {
  position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #0a0e14;
}
.reliability-card-img img {
  width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s;
}
.reliability-card:hover .reliability-card-img img { transform: scale(1.05); }
.reliability-card-icon {
  position: absolute; top: 0.8rem; right: 0.8rem; font-size: 1.4rem;
  background: rgba(10,14,20,0.8); backdrop-filter: blur(8px);
  padding: 0.3rem 0.5rem; border-radius: 8px; border: 1px solid rgba(0,200,255,0.2);
  line-height: 1;
}
.reliability-card-header {
  padding: 1.2rem 1.3rem 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.reliability-card-header h4 { font-size: 1rem; color: #fff; font-weight: 700; }
.reliability-card-body { padding: 0.8rem 1.3rem 1.3rem; }
.reliability-card-body p { font-size: 0.82rem; color: var(--muted); line-height: 1.7; margin-bottom: 0.8rem; }
.reliability-spec {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.reliability-spec span {
  font-size: 0.7rem; font-weight: 600; padding: 0.2rem 0.5rem; border-radius: 4px;
  background: rgba(0,200,255,0.08); color: var(--accent); border: 1px solid rgba(0,200,255,0.12);
}

.reliability-standards {
  display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem;
  padding: 1.5rem; background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
}
.reliability-standards-label {
  font-size: 0.82rem; font-weight: 700; color: #fff; white-space: nowrap;
  display: flex; align-items: center; gap: 0.4rem;
}
.reliability-standards-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.standard-chip {
  font-size: 0.75rem; font-weight: 600; padding: 0.3rem 0.8rem; border-radius: 6px;
  background: rgba(0,255,178,0.08); color: var(--accent2);
  border: 1px solid rgba(0,255,178,0.15); font-family: var(--font-mono);
  transition: all 0.2s;
}
.standard-chip:hover { background: rgba(0,255,178,0.15); transform: translateY(-1px); }

.reliability-reports {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
@media (max-width: 768px) { .reliability-reports { grid-template-columns: 1fr; } }
.report-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.2rem; display: flex; gap: 1rem; align-items: flex-start;
  transition: border-color 0.3s, transform 0.3s;
}
.report-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-2px); }
.report-icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,200,255,0.1), rgba(0,255,178,0.05));
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  border: 1px solid rgba(0,200,255,0.15);
}
.report-info h4 { font-size: 0.85rem; color: #fff; margin-bottom: 0.3rem; }
.report-info p { font-size: 0.76rem; color: var(--muted); line-height: 1.5; }
.report-badge {
  display: inline-block; font-size: 0.65rem; font-weight: 700; padding: 0.15rem 0.5rem;
  border-radius: 4px; margin-top: 0.4rem;
  background: rgba(0,255,178,0.1); color: var(--accent2); border: 1px solid rgba(0,255,178,0.15);
}

/* === QUALITY MANAGEMENT SYSTEM === */
.qms-section { background: var(--bg2-solid); }
.qms-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 2rem;
}
@media (max-width: 900px) { .qms-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .qms-grid { grid-template-columns: 1fr; } }
.qms-card {
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.5rem; transition: border-color 0.3s, transform 0.3s;
}
.qms-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-3px); }
.qms-card-icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 0.8rem;
  background: linear-gradient(135deg, rgba(0,200,255,0.1), rgba(139,92,246,0.06));
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  border: 1px solid rgba(0,200,255,0.1);
}
.qms-card h4 { font-size: 0.92rem; color: #fff; margin-bottom: 0.4rem; font-weight: 700; }
.qms-card .qms-code {
  font-size: 0.7rem; font-weight: 700; color: var(--accent2);
  font-family: var(--font-mono); margin-bottom: 0.6rem; display: inline-block;
  padding: 0.15rem 0.5rem; border-radius: 4px;
  background: rgba(0,255,178,0.08); border: 1px solid rgba(0,255,178,0.12);
}
.qms-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.6; }

.qms-badges {
  display: flex; flex-wrap: wrap; gap: 0.8rem; padding: 1.5rem;
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius);
}
.qms-badge {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.03); border: 1px solid var(--rule); border-radius: 8px;
  font-size: 0.8rem; font-weight: 600; color: var(--ink); transition: border-color 0.2s;
}
.qms-badge:hover { border-color: rgba(0,200,255,0.3); }
.qms-badge .check { color: var(--accent2); font-size: 0.9rem; }

/* === THERMAL MANAGEMENT === */
.thermal-section { background: var(--bg); }
.thermal-hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; margin-bottom: 2.5rem; align-items: center;
}
@media (max-width: 768px) { .thermal-hero { grid-template-columns: 1fr; } }
.thermal-hero-text h3 { font-size: 1.3rem; color: #fff; margin-bottom: 0.8rem; }
.thermal-hero-text p { font-size: 0.88rem; color: var(--muted); line-height: 1.8; margin-bottom: 1rem; }
.thermal-hero-text .key-point {
  display: flex; gap: 0.6rem; align-items: flex-start; margin-bottom: 0.6rem;
}
.thermal-hero-text .key-point .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent2);
  margin-top: 0.6rem; flex-shrink: 0;
}
.thermal-hero-text .key-point span { font-size: 0.84rem; color: var(--ink); line-height: 1.7; }
.thermal-sim-visual {
  background: linear-gradient(135deg, rgba(0,200,255,0.06), rgba(139,92,246,0.04));
  border: 1px solid rgba(0,200,255,0.15); border-radius: var(--radius);
  padding: 2rem; text-align: center; position: relative; overflow: hidden;
}
.thermal-sim-visual::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,80,80,0.08) 0%, transparent 50%);
}
.thermal-sim-visual .temp-display {
  font-size: 3rem; font-weight: 800; font-family: var(--font-mono);
  background: linear-gradient(135deg, #FF6B35, #FF3366);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1; margin-bottom: 0.5rem; position: relative;
}
.thermal-sim-visual .temp-label { font-size: 0.8rem; color: var(--muted); position: relative; }
.thermal-sim-bars { display: flex; gap: 4px; margin-top: 1.5rem; height: 80px; align-items: flex-end; position: relative; }
.thermal-sim-bar {
  flex: 1; border-radius: 3px 3px 0 0; transition: height 0.5s ease;
  background: linear-gradient(to top, var(--accent), var(--accent2));
}

.thermal-solutions {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
@media (max-width: 900px) { .thermal-solutions { grid-template-columns: 1fr; } }
.thermal-solution-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.5rem; transition: border-color 0.3s, transform 0.3s; position: relative;
}
.thermal-solution-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-3px); }
.thermal-solution-card .badge {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 0.62rem; font-weight: 700; padding: 0.2rem 0.5rem; border-radius: 4px;
}
.thermal-solution-card .badge.hot { background: rgba(255,107,53,0.12); color: #FF6B35; border: 1px solid rgba(255,107,53,0.2); }
.thermal-solution-card .badge.new { background: rgba(0,255,178,0.12); color: var(--accent2); border: 1px solid rgba(0,255,178,0.2); }
.thermal-solution-card h4 { font-size: 0.95rem; color: #fff; margin-bottom: 0.5rem; font-weight: 700; }
.thermal-solution-card .conductivity {
  font-size: 1.4rem; font-weight: 800; font-family: var(--font-mono); color: var(--accent);
  margin-bottom: 0.5rem;
}
.thermal-solution-card .conductivity-unit { font-size: 0.7rem; color: var(--muted); font-weight: 400; }
.thermal-solution-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.6; margin-bottom: 0.8rem; }
.thermal-solution-card .specs { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.thermal-solution-card .specs span {
  font-size: 0.7rem; font-weight: 600; padding: 0.2rem 0.5rem; border-radius: 4px;
  background: rgba(0,200,255,0.06); color: var(--accent); border: 1px solid rgba(0,200,255,0.1);
}

/* === EXPORT CAPABILITY === */
.export-section { background: var(--bg2-solid); }
.export-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2rem;
}
@media (max-width: 768px) { .export-grid { grid-template-columns: 1fr; } }
.export-block {
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.8rem; transition: border-color 0.3s;
}
.export-block:hover { border-color: rgba(0,200,255,0.25); }
.export-block h3 { font-size: 1.05rem; color: #fff; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.export-block h3 .icon { font-size: 1.3rem; }
.export-list { list-style: none; padding: 0; }
.export-list li {
  font-size: 0.82rem; color: var(--muted); line-height: 1.7; padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  display: flex; gap: 0.5rem; align-items: flex-start;
}
.export-list li:last-child { border-bottom: none; }
.export-list li .check { color: var(--accent2); flex-shrink: 0; margin-top: 0.15rem; }
.export-list li strong { color: var(--ink); font-weight: 600; }

.export-docs {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem;
}
.export-doc {
  font-size: 0.75rem; font-weight: 600; padding: 0.35rem 0.8rem; border-radius: 6px;
  background: rgba(0,200,255,0.06); color: var(--accent);
  border: 1px solid rgba(0,200,255,0.1); font-family: var(--font-mono);
  transition: all 0.2s; cursor: default;
}
.export-doc:hover { background: rgba(0,200,255,0.12); transform: translateY(-1px); }

.export-map {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; margin-top: 1.5rem;
}
@media (max-width: 600px) { .export-map { grid-template-columns: repeat(2, 1fr); } }
.export-region {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: 10px;
  padding: 1rem; text-align: center; transition: border-color 0.3s;
}
.export-region:hover { border-color: rgba(0,200,255,0.3); }
.export-region .flag { font-size: 1.8rem; margin-bottom: 0.3rem; }
.export-region .name { font-size: 0.8rem; color: #fff; font-weight: 600; }
.export-region .detail { font-size: 0.7rem; color: var(--muted); margin-top: 0.2rem; }

/* === EQUIPMENT CATEGORY TABLES === */
.equip-category {
  margin-bottom: 2rem; border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; background: var(--bg2); transition: border-color 0.3s;
}
.equip-category:hover { border-color: rgba(0,200,255,0.2); }
.equip-category-highlight {
  border-color: rgba(0,255,178,0.25);
  background: linear-gradient(135deg, rgba(0,255,178,0.03), rgba(0,200,255,0.02));
}
.equip-category-highlight:hover { border-color: rgba(0,255,178,0.4); }

.equip-category-header {
  display: flex; align-items: center; gap: 0.8rem; padding: 1.2rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.equip-cat-icon { font-size: 1.6rem; line-height: 1; flex-shrink: 0; }
.equip-category-header h3 {
  font-size: 1rem; color: #fff; font-weight: 700; flex: 1; margin: 0;
}
.equip-cat-brand {
  font-size: 0.72rem; color: var(--muted); font-weight: 500;
  padding: 0.25rem 0.7rem; border-radius: 5px;
  background: rgba(0,200,255,0.06); border: 1px solid rgba(0,200,255,0.1);
  white-space: nowrap;
}
.equip-category-highlight .equip-cat-brand {
  background: rgba(0,255,178,0.08); border-color: rgba(0,255,178,0.15); color: var(--accent2);
}

.equip-table-wrap { overflow-x: auto; }
.equip-table {
  width: 100%; border-collapse: collapse; font-size: 0.82rem;
}
.equip-table thead { background: rgba(0,200,255,0.04); }
.equip-table th {
  padding: 0.7rem 1rem; text-align: left; font-weight: 600; font-size: 0.75rem;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255,255,255,0.06); white-space: nowrap;
}
.equip-table td {
  padding: 0.6rem 1rem; color: #b0b8c4; border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background 0.2s;
}
.equip-table tbody tr:hover td { background: rgba(0,200,255,0.03); }
.equip-table tbody tr:last-child td { border-bottom: none; }
.equip-table td:first-child { font-weight: 600; color: #fff; }
.equip-table td:nth-child(4) {
  text-align: center; font-weight: 700; color: var(--accent);
  font-family: var(--font-mono);
}
.equip-category-highlight .equip-table td:nth-child(4) { color: var(--accent2); }
@media (max-width: 640px) {
  .equip-table { font-size: 0.75rem; }
  .equip-table th, .equip-table td { padding: 0.5rem 0.6rem; }
  .equip-category-header { flex-wrap: wrap; padding: 1rem; }
  .equip-cat-brand { font-size: 0.65rem; }
}

/* === INDUSTRY INSIGHTS SECTION === */
.industry-section { background: var(--bg); }
.industry-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem;
}
@media (max-width: 900px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .industry-grid { grid-template-columns: 1fr; } }

.industry-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; transition: border-color 0.3s, transform 0.3s;
  display: flex; flex-direction: column;
}
.industry-card:hover {
  border-color: rgba(0,200,255,0.3); transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.industry-card-large {
  grid-column: span 1;
}
@media (max-width: 900px) { .industry-card-large { grid-column: span 2; } }
@media (max-width: 600px) { .industry-card-large { grid-column: span 1; } }

.industry-card-img {
  width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #0a0e14;
  display: flex; align-items: center; justify-content: center;
}
.industry-card-img img {
  width: 100%; height: 100%; object-fit: contain; transition: transform 0.5s;
  background: #0a0e14;
}
.industry-card:hover .industry-card-img img { transform: scale(1.03); }

/* Industry Banner - Full-width infographic */
.industry-banner {
  margin-bottom: 2rem; border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(0,200,255,0.15); background: #0a0e14;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.industry-banner-img {
  width: 100%; display: block; object-fit: contain; background: #0a0e14;
}
.industry-banner-caption {
  padding: 0.8rem 1.3rem; font-size: 0.78rem; color: var(--muted);
  text-align: center; border-top: 1px solid rgba(255,255,255,0.04);
}

.industry-card-body { padding: 1.2rem 1.3rem 1.4rem; flex: 1; }
.industry-card-tag {
  display: inline-block; font-size: 0.65rem; font-weight: 700; padding: 0.2rem 0.6rem;
  border-radius: 4px; margin-bottom: 0.6rem; text-transform: uppercase; letter-spacing: 0.5px;
  background: rgba(0,255,178,0.1); color: var(--accent2);
  border: 1px solid rgba(0,255,178,0.15);
}
.industry-card-body h3 {
  font-size: 0.95rem; color: #fff; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.4;
}
.industry-card-body p {
  font-size: 0.8rem; color: var(--muted); line-height: 1.6;
}

.industry-cta {
  text-align: center; padding: 1.5rem 2rem; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,200,255,0.05), rgba(0,255,178,0.03));
  border: 1px solid rgba(0,200,255,0.12);
}
.industry-cta p {
  font-size: 0.88rem; color: #c0c8d4; line-height: 1.7; margin: 0;
}
.industry-cta p strong { color: var(--accent2); }

/* === INDUSTRY KNOWLEDGE (行业知识) === */
.knowledge-section { background: var(--bg); }
.knowledge-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem;
}
@media (max-width: 900px) { .knowledge-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .knowledge-grid { grid-template-columns: 1fr; } }
.knowledge-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.5rem 1.4rem; transition: border-color 0.3s, transform 0.3s;
}
.knowledge-card:hover {
  border-color: rgba(0,200,255,0.3); transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
}
.knowledge-card-icon {
  width: 40px; height: 40px; border-radius: 10px; margin-bottom: 0.8rem;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  background: linear-gradient(135deg, rgba(0,200,255,0.12), rgba(0,255,178,0.08));
  border: 1px solid rgba(0,200,255,0.15);
}
.knowledge-card h3 {
  font-size: 0.92rem; color: #fff; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.4;
}
.knowledge-card p {
  font-size: 0.8rem; color: var(--muted); line-height: 1.65; margin-bottom: 0.6rem;
}
.knowledge-card .kw-tags {
  display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.6rem;
}
.knowledge-card .kw-tag {
  font-size: 0.62rem; font-weight: 600; padding: 0.15rem 0.5rem; border-radius: 4px;
  background: rgba(0,200,255,0.06); color: var(--accent); border: 1px solid rgba(0,200,255,0.1);
  font-family: var(--font-mono);
}

/* === DEFECT CASES (行业不良案例与解决方案) === */
.defect-section { background: var(--bg); }
.defect-intro {
  text-align: center; max-width: 800px; margin: 0 auto 2rem;
  padding: 1.2rem 1.5rem; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,77,77,0.06), rgba(255,170,0,0.03));
  border: 1px solid rgba(255,77,77,0.12);
}
.defect-intro p { font-size: 0.85rem; color: #c0c8d4; line-height: 1.7; margin: 0; }
.defect-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-bottom: 2rem;
}
@media (max-width: 768px) { .defect-grid { grid-template-columns: 1fr; } }
.defect-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; transition: border-color 0.3s, transform 0.3s;
}
.defect-card:hover {
  border-color: rgba(255,170,0,0.25); transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
}
.defect-card-header {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 1rem 1.3rem; border-bottom: 1px solid rgba(255,255,255,0.04);
  background: rgba(255,77,77,0.03);
}
.defect-card-num {
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, rgba(255,77,77,0.5), rgba(255,170,0,0.3));
  border: 1px solid rgba(255,77,77,0.2);
}
.defect-card-header h3 { font-size: 0.9rem; color: #fff; font-weight: 700; }
.defect-card-body { padding: 1rem 1.3rem 1.3rem; }
.defect-item { margin-bottom: 0.7rem; }
.defect-item:last-child { margin-bottom: 0; }
.defect-item-label {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 0.2rem;
}
.defect-item-label.problem { color: rgba(255,77,77,0.8); }
.defect-item-label.cause { color: rgba(255,170,0,0.8); }
.defect-item-label.impact { color: rgba(200,200,200,0.6); }
.defect-item-label.solution { color: var(--accent2); }
.defect-item p { font-size: 0.78rem; color: var(--muted); line-height: 1.6; }
.defect-item.solution-box {
  padding: 0.6rem 0.8rem; border-radius: 8px; margin-top: 0.4rem;
  background: rgba(0,255,178,0.04); border: 1px solid rgba(0,255,178,0.08);
}
.defect-item.solution-box p { color: #b8d8d0; }
.defect-summary {
  text-align: center; padding: 1.5rem 2rem; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,255,178,0.05), rgba(0,200,255,0.03));
  border: 1px solid rgba(0,255,178,0.12);
}
.defect-summary p { font-size: 0.85rem; color: #c0c8d4; line-height: 1.7; margin: 0; }
.defect-summary p strong { color: var(--accent2); }

/* === ENCYCLOPEDIA (光模块百科) === */
.encyclopedia-section { background: var(--bg); }
.ency-banner {
  margin-bottom: 2rem; border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(0,200,255,0.15); background: #0a0e14;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.ency-banner img { width: 100%; display: block; object-fit: contain; }
.ency-banner-caption {
  padding: 0.8rem 1.3rem; font-size: 0.78rem; color: var(--muted);
  text-align: center; border-top: 1px solid rgba(255,255,255,0.04);
}
/* Subsection headers */
.ency-subsection { margin-bottom: 3rem; }
.ency-subsection-title {
  display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.2rem;
}
.ency-subsection-title .num {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.ency-subsection-title h3 { font-size: 1.05rem; color: #fff; font-weight: 700; }
.ency-subsection-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.2rem; }

/* Module type cards */
.ency-type-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem;
}
@media (max-width: 900px) { .ency-type-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .ency-type-grid { grid-template-columns: 1fr; } }
.ency-type-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1rem 1.1rem; transition: border-color 0.3s, transform 0.3s;
}
.ency-type-card:hover { border-color: rgba(0,200,255,0.3); transform: translateY(-3px); }
.ency-type-card .type-name { font-size: 0.85rem; font-weight: 800; color: var(--accent2); margin-bottom: 0.3rem; }
.ency-type-card .type-rate { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 0.2rem; font-family: var(--font-mono); }
.ency-type-card .type-ch { font-size: 0.72rem; color: var(--muted); margin-bottom: 0.4rem; }
.ency-type-card .type-app { font-size: 0.68rem; color: var(--accent); padding-top: 0.4rem; border-top: 1px solid rgba(255,255,255,0.05); }

/* Material comparison table */
.ency-mat-table {
  width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; font-size: 0.75rem;
  background: var(--bg2); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--rule);
}
.ency-mat-table th {
  padding: 0.7rem 0.8rem; text-align: left; font-weight: 700; color: #fff;
  background: rgba(0,200,255,0.06); border-bottom: 1px solid rgba(0,200,255,0.1);
  font-size: 0.72rem; white-space: nowrap;
}
.ency-mat-table th.highlight { color: var(--accent2); }
.ency-mat-table td {
  padding: 0.6rem 0.8rem; color: var(--muted); border-bottom: 1px solid rgba(255,255,255,0.03);
  line-height: 1.5;
}
.ency-mat-table td.highlight { color: #fff; font-weight: 600; background: rgba(0,255,178,0.03); }
.ency-mat-table tr:last-child td { border-bottom: none; }
.ency-mat-table .best { color: var(--accent2); font-weight: 700; }

/* Process timeline */
.ency-process-timeline {
  position: relative; padding-left: 2.5rem; margin-bottom: 1rem;
}
.ency-process-timeline::before {
  content: ''; position: absolute; left: 15px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2), rgba(0,200,255,0.1));
}
.ency-process-step {
  position: relative; margin-bottom: 1.5rem; padding-bottom: 0.5rem;
}
.ency-process-step::before {
  content: ''; position: absolute; left: -2.5rem; top: 0.2rem; width: 32px; height: 32px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--accent);
  z-index: 1;
}
.ency-process-step .step-num {
  position: absolute; left: -2.5rem; top: 0.2rem; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 800; color: var(--accent); z-index: 2;
}
.ency-process-step .step-content {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1rem 1.2rem; transition: border-color 0.3s;
}
.ency-process-step:hover .step-content { border-color: rgba(0,200,255,0.25); }
.ency-process-step .step-header {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  margin-bottom: 0.6rem;
}
.ency-process-step .step-title { font-size: 0.9rem; font-weight: 700; color: #fff; }
.ency-process-step .step-tag {
  font-size: 0.6rem; font-weight: 700; padding: 0.15rem 0.5rem; border-radius: 4px;
  background: rgba(0,200,255,0.1); color: var(--accent); text-transform: uppercase; letter-spacing: 0.3px;
  font-family: var(--font-mono);
}
.ency-process-step .step-desc { font-size: 0.78rem; color: var(--muted); line-height: 1.65; margin-bottom: 0.5rem; }
.ency-process-step .step-specs { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.ency-process-step .step-spec {
  font-size: 0.62rem; font-weight: 600; padding: 0.12rem 0.45rem; border-radius: 4px;
  background: rgba(255,255,255,0.04); color: #c0c8d4; border: 1px solid rgba(255,255,255,0.06);
  font-family: var(--font-mono);
}

/* Mold comparison cards */
.ency-mold-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-bottom: 1.5rem;
}
@media (max-width: 768px) { .ency-mold-grid { grid-template-columns: 1fr; } }
.ency-mold-card {
  background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}
.ency-mold-card h4 { font-size: 0.88rem; color: #fff; font-weight: 700; margin-bottom: 0.5rem; }
.ency-mold-card p { font-size: 0.76rem; color: var(--muted); line-height: 1.6; margin-bottom: 0.4rem; }
.ency-mold-card .mold-spec { font-size: 0.68rem; color: var(--accent); font-family: var(--font-mono); }

/* === CERTIFICATION PATH === */
.cert-section { background: var(--bg); }
.cert-timeline {
  display: flex; gap: 0; margin: 2rem 0; position: relative; overflow-x: auto;
  padding-bottom: 1rem;
}
.cert-step {
  flex: 1; min-width: 140px; text-align: center; position: relative;
}
.cert-step::after {
  content: ''; position: absolute; top: 24px; right: -50%; width: 100%; height: 2px;
  background: var(--rule); z-index: 0;
}
.cert-step:last-child::after { display: none; }
.cert-step-num {
  width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 0.8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff; position: relative; z-index: 1;
  box-shadow: 0 0 20px rgba(0,200,255,0.2);
}
.cert-step-duration {
  font-size: 0.65rem; font-weight: 700; color: var(--accent2);
  font-family: var(--font-mono); margin-bottom: 0.3rem;
}
.cert-step h4 { font-size: 0.82rem; color: #fff; margin-bottom: 0.3rem; font-weight: 700; }
.cert-step p { font-size: 0.72rem; color: var(--muted); line-height: 1.5; padding: 0 0.5rem; }

.cert-note {
  padding: 1.2rem 1.5rem; background: linear-gradient(135deg, rgba(0,200,255,0.04), rgba(0,255,178,0.02));
  border: 1px solid rgba(0,200,255,0.12); border-radius: var(--radius);
  font-size: 0.85rem; color: var(--muted); line-height: 1.7;
}
.cert-note strong { color: var(--ink); }
.cert-note .accent { color: var(--accent2); font-weight: 600; }

/* === COMPARISON TABLE === */
.compare-section { background: var(--bg2-solid); }
.compare-table-wrap {
  overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--rule);
}
.compare-table {
  width: 100%; border-collapse: collapse; min-width: 700px;
}
.compare-table th, .compare-table td {
  padding: 0.8rem 1rem; text-align: left; font-size: 0.82rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.compare-table th {
  background: var(--bg); color: #fff; font-weight: 700; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap;
}
.compare-table td { color: var(--muted); }
.compare-table tr:hover td { background: rgba(0,200,255,0.02); }
.compare-table .col-highlight {
  background: rgba(0,200,255,0.04); color: var(--ink); font-weight: 600;
}
.compare-table .yes { color: var(--accent2); font-weight: 700; }
.compare-table .no { color: #ff6b6b; font-weight: 700; }
.compare-table .partial { color: #FFA500; font-weight: 700; }
.compare-table .feature-name { color: var(--ink); font-weight: 600; }