/* ==============================
   CSS Variables & Reset
   ============================== */
:root {
  --primary: #050160;
  --primary-dark: #030040;
  --primary-light: #080188;
  --primary-glow: #0a03b8;
  --secondary: #2c9942;
  --accent: #1e7a30;
  --bg-light: #F4F5FA;
  --bg-white: #FFFFFF;
  --text-dark: #0D0D2B;
  --text-body: #3D3D5C;
  --text-light: #8888A0;
  --border: #E4E5F0;
  --gradient-hero: linear-gradient(135deg, #020030 0%, #050160 40%, #0a0488 100%);
  --gradient-card: linear-gradient(135deg, rgba(5,1,96,0.06) 0%, rgba(8,1,136,0.12) 100%);
  --shadow-sm: 0 2px 8px rgba(5,1,96,0.08);
  --shadow-md: 0 8px 32px rgba(5,1,96,0.10);
  --shadow-lg: 0 16px 48px rgba(5,1,96,0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-md: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ==============================
   Navigation
   ============================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.85; }
.nav-logo img { height: 42px; width: auto; }
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-body);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-links a:hover {
  color: var(--primary);
  background: rgba(5, 1, 96, 0.06);
}
.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
}
.nav-cta:hover {
  background: var(--primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(5, 1, 96, 0.3);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ==============================
   Section Background Image + Mask
   ============================== */
.section-bg-img {
  position: relative;
  overflow: hidden;
  padding: 100px 32px;
}
.section-bg-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg) center/cover no-repeat;
  z-index: 0;
}
.section-bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,1,96,0.65) 0%, rgba(5,1,96,0.6) 100%);
  z-index: 1;
}
.section-bg-img > .section-inner {
  position: relative;
  z-index: 2;
}
.section-bg-img .section-tag { color: rgba(255,255,255,0.8) !important; }
.section-bg-img .section-title { color: #fff !important; }
.section-bg-img .section-subtitle { color: rgba(255,255,255,0.8) !important; }
.section-bg-img .core-card {
  background: rgba(255,255,255,0.22);
  backdrop-filter: blur(12px);
  border-color: rgba(255,255,255,0.3);
}
.section-bg-img .core-card:hover {
  background: rgba(255,255,255,0.32);
  border-color: rgba(255,255,255,0.45);
}
.section-bg-img .core-card-number { color: rgba(255,255,255,0.2); }
.section-bg-img .core-card h3 { color: #fff !important; }
.section-bg-img .core-card p { color: rgba(255,255,255,0.92) !important; }
.section-bg-img .core-card-tags li {
  background: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.95);
}

/* ==============================
   Hero Section
   ============================== */
.hero {
  padding: 140px 32px 90px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.18;
  z-index: 0;
}
.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 32px;
  letter-spacing: 1px;
}
.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -1px;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-title span {
  display: block;
  font-size: 20px;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 10px;
  letter-spacing: 0;
  line-height: 1.6;
  text-shadow: none;
}
.hero-desc {
  font-size: 17px;
  opacity: 0.95;
  margin-bottom: 44px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  color: rgba(255,255,255,0.92);
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.hero-stat h3 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat p {
  font-size: 14px;
  opacity: 0.8;
}

/* ==============================
   Section Common
   ============================== */
.section {
  padding: 100px 32px;
}
.section-bg {
  background: var(--bg-light);
}
.section-bg + .section-bg {
  padding-top: 40px;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-tag {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 17px;
  color: var(--text-light);
  max-width: 640px;
  margin-bottom: 60px;
  line-height: 1.7;
}
.section-title.center,
.section-subtitle.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ==============================
   Tag Row (badges)
   ============================== */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(5, 1, 96, 0.07);
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}
.tag-item .tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ==============================
   Product Cards (3-column)
   ============================== */
.product-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: left;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: linear-gradient(180deg, var(--primary-dark), var(--primary));
  transition: height 0.4s ease;
}
.product-card::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 100px; height: 100px;
  background: radial-gradient(circle, rgba(5,1,96,0.03) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30px, 30px);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.product-card:hover::before { height: 100%; }
.product-card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.product-card-icon.blue {
  background: rgba(5, 1, 96, 0.1);
  color: var(--primary);
}
.product-card-icon.teal {
  background: rgba(5, 1, 96, 0.1);
  color: var(--primary);
}
.product-card-icon.green {
  background: rgba(5, 1, 96, 0.1);
  color: var(--primary);
}
.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.product-card p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
  text-align: justify;
}
.product-card .card-features {
  list-style: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.product-card .card-features li {
  font-size: 12px;
  color: var(--text-light);
  padding: 3px 0 3px 18px;
  position: relative;
}
.product-card .card-features li::before {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

/* ==============================
   Strategy Cards (3-col, inline-replace)
   ============================== */
.strategy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.strategy-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.strategy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ==============================
   Management Mode Cards (3-col, inline-replace)
   ============================== */
.mode-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.mode-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.mode-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ==============================
   Design Philosophy
   ============================== */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.philosophy-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 32px 24px 28px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.3);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.philosophy-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-hero);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.philosophy-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(5,1,96,0.15);
  background: rgba(255,255,255,1);
}
.philosophy-card:hover::after { transform: scaleX(1); }
.philosophy-card .ph-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(5,1,96,0.1), rgba(5,1,96,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
  transition: all var(--transition);
}
.philosophy-card:hover .ph-icon {
  background: var(--gradient-hero);
  color: #fff;
  transform: scale(1.08);
}
.philosophy-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.philosophy-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
}

/* ==============================
   AI Section
   ============================== */
.ai-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.ai-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--gradient-hero);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.ai-card:hover::before { transform: scaleX(1); }
.ai-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(5,1,96,0.2);
  background: rgba(255,255,255,1);
  border-color: transparent;
}
.ai-icon-box {
  flex-shrink: 0;
  width: 64px; height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.ai-icon-box.purple {
  background: linear-gradient(135deg, rgba(5,1,96,0.1), rgba(5,1,96,0.2));
  color: var(--primary);
}
.ai-icon-box.green {
  background: linear-gradient(135deg, rgba(5,1,96,0.1), rgba(5,1,96,0.2));
  color: var(--primary);
}
.ai-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.ai-card p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 12px;
}
.ai-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ai-tag {
  background: rgba(5, 1, 96, 0.06);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

/* ==============================
   Core Capability Cards
   ============================== */
.core-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.core-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.core-card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  opacity: 0;
  transition: opacity var(--transition);
}
.core-card:hover .core-card-accent { opacity: 1; }
.core-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.core-card-number {
  position: absolute;
  top: 10px; right: 20px;
  font-size: 64px;
  font-weight: 900;
  color: rgba(5, 1, 96, 0.06);
  line-height: 1;
  pointer-events: none;
  transition: all var(--transition);
}
.core-card:hover .core-card-number {
  color: rgba(5, 1, 96, 0.1);
  transform: scale(1.1);
}
.core-card-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: rgba(255,255,255,0.13);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #fff;
  transition: all var(--transition);
}
.core-card:hover .core-card-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  transform: scale(1.06);
}
.core-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.core-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 16px;
}
.core-card-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.core-card-tags li {
  font-size: 11px;
  color: var(--primary);
  background: rgba(5, 1, 96, 0.06);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

/* ==============================
   System Capabilities (3-col)
   ============================== */
.sys-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}

/* ==============================
   Quality Indicators
   ============================== */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.quality-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.quality-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.quality-card:hover::before { transform: scaleX(1); }
.quality-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.quality-card h3 {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.quality-card .unit {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
}
.quality-card .label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.quality-card .sublabel {
  font-size: 13px;
  color: var(--text-light);
}

/* ==============================
   Case Swiper Auto-Scroll
   ============================== */
/* ── Case Slideshow ── */
.case-slideshow {
  max-width: 960px;
  margin: 20px auto 0;
  position: relative;
  overflow: hidden;
}
.case-slide {
  display: none;
  grid-template-columns: 5fr 5fr;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  animation: slideFadeIn 0.5s ease;
  height: 420px;
}
.case-slide.active {
  display: grid;
}
@keyframes slideFadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.case-slide-img {
  background: #fff;
  height: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.case-slide-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.case-slide-content {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.case-card-tag {
  display: inline-block;
  background: rgba(5, 1, 96, 0.07);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 16px;
  width: fit-content;
}
.case-slide-content h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}
.case-card-desc {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 24px;
}
.case-card-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.case-stat {
  font-size: 12px;
  color: var(--text-light);
  padding: 3px 8px;
  background: var(--bg-light);
  border-radius: 6px;
  white-space: nowrap;
}

/* ── Case Dots ── */
.case-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}
.case-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: none;
  background: #d0d5dd;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}
.case-dot:hover {
  background: var(--primary);
  opacity: 0.6;
}
.case-dot.active {
  background: var(--primary);
  width: 28px;
  border-radius: 5px;
}

/* ── Partner Hospitals Logo Grid ── */
.partner-logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 32px;
  align-items: start;
}
.partner-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform var(--transition);
}
.partner-logo-item:hover {
  transform: translateY(-2px);
}
.partner-logo-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
  aspect-ratio: 2 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 12px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.3s ease;
}
.partner-logo-item:hover .partner-logo-card {
  box-shadow: var(--shadow-sm);
}
.partner-logo-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: all 0.3s ease;
}

/* ==============================
   About / Certifications
   ============================== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
  margin-top: 20px;
}
.about-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.about-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.about-card h3 .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
}
.about-card p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 12px;
}
.about-service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.about-service-tag {
  background: rgba(5, 1, 96, 0.08);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
}

.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-light);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dark);
}
.cert-badge .cert-icon {
  color: var(--primary);
  font-size: 14px;
}

/* ==============================
   Roadmap
   ============================== */
.timeline {
  display: flex;
  gap: 32px;
  margin-top: 20px;
}
.timeline-item {
  flex: 1;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition);
}
.timeline-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.timeline-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.timeline-badge.done {
  background: rgba(44, 153, 66, 0.12);
  color: #1e7a30;
}
.timeline-badge.upcoming {
  background: rgba(255, 152, 0, 0.12);
  color: #EF6C00;
}
.timeline-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.timeline-item p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.6;
}

/* ==============================
   Contact Section
   ============================== */
.contact-unified {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 0;
  margin-top: 20px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}
.contact-unified:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.contact-unified-map {
  background: #f5f6fa;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border-right: 1px solid var(--border);
}
.contact-map-container {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
}
.contact-map-container img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.contact-map-label {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-body);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.contact-map-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}
.contact-unified-info {
  padding: 32px 40px 20px;
  display: flex;
  flex-direction: column;
}
.contact-unified-header {
  margin-bottom: 18px;
}
.contact-unified-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}
.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-info-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(5, 1, 96, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.contact-info-label {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: 1px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.contact-info-item p {
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
  line-height: 1.6;
}
.contact-info-item p a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.contact-info-item p a:hover {
  text-decoration: underline;
}
.contact-qr-section {
  display: flex;
  gap: 32px;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid var(--border);
  justify-content: flex-start;
}
.contact-qr-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.contact-qr-wrap img {
  width: 72px; height: 72px;
  border-radius: 0;
  padding: 2px;
  background: #f0f0f0;
  display: block;
}
.contact-qr-wrap span {
  font-size: 11px;
  color: var(--text-light);
}
.contact-qr-placeholder {
  width: 72px; height: 72px;
  background: #f5f5f5;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==============================
   Footer
   ============================== */
.footer {
  background: #020028;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 32px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.footer-qrcode-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.footer-qrcode-wrap img {
  width: 100px; height: 100px;
  border-radius: 0;
  padding: 2px;
  background: #fff;
  display: block;
}
.footer-qrcode-wrap p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
}
.footer-logo {
  width: 100px;
  height: auto;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 13px;
}

/* ==============================
   Animations
   ============================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   Responsive — Tablet (<=1024px)
   ============================== */
@media (max-width: 1024px) {
  .product-cards { grid-template-columns: repeat(2, 1fr); }
  .strategy-cards { grid-template-columns: repeat(2, 1fr); }
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
  .core-cards { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .about-content { grid-template-columns: 1fr; }
  .contact-unified { grid-template-columns: 1fr; }
  .contact-unified-map {
    border-right: none;
    border-bottom: 1px solid var(--border);
    min-height: 260px;
  }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; flex-direction: row; align-items: center; gap: 32px; }
  .hero-title { font-size: 36px; }
  .hero-stats { gap: 28px; }
  .section-title { font-size: 30px; }
  .sys-cards { grid-template-columns: repeat(2, 1fr); }
  .case-slide { grid-template-columns: 1fr; height: auto; padding: 16px; gap: 0; }
  .case-slide-img { min-height: 200px; height: 240px; border-radius: var(--radius); }
  .case-slide-content { padding: 32px 28px; }
  .partner-logos { grid-template-columns: repeat(4, 1fr); }
  .mode-cards { grid-template-columns: repeat(2, 1fr); }
  .ai-cards { grid-template-columns: 1fr; }
}

/* ==============================
   Responsive — Mobile (<=768px)
   ============================== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #fff;
    padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 999;
  }
  .nav-toggle { display: flex; }
  .product-cards { grid-template-columns: 1fr; }
  .strategy-cards { grid-template-columns: 1fr; }
  .philosophy-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .ai-cards { grid-template-columns: 1fr; }
  .core-cards { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .sys-cards { grid-template-columns: 1fr; }
  .mode-cards { grid-template-columns: 1fr; }
  .timeline { flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; flex-direction: column; align-items: flex-start; gap: 24px; }
  .hero { padding: 120px 20px 60px; }
  .hero-title { font-size: 28px; }
  .hero-title span { font-size: 16px; }
  .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
  .section { padding: 60px 20px; }
  .section-title { font-size: 26px; }
  .about-content { grid-template-columns: 1fr; }
  .case-slide-content h3 { font-size: 22px; }
  .case-slide-content { padding: 24px 20px; }
  .partner-logos { grid-template-columns: repeat(3, 1fr); }
  .contact-unified-info { padding: 24px 20px 16px; }
  .contact-qr-section { gap: 20px; }
  .nav-inner { padding: 0 20px; }
  .section-bg-img { padding: 80px 20px; }
}

/* ==============================
   Responsive — Small Mobile (<=480px)
   ============================== */
@media (max-width: 480px) {
  .hero-title { font-size: 22px; }
  .hero-title span { font-size: 14px; }
  .hero-badge { font-size: 11px; padding: 6px 14px; }
  .hero-desc { font-size: 14px; }
  .hero-stat h3 { font-size: 28px; }
  .hero-stat p { font-size: 12px; }
  .section-title { font-size: 22px; }
  .section-subtitle { font-size: 14px; margin-bottom: 40px; }
  .section-tag { font-size: 12px; }
  .product-card { padding: 28px 20px; }
  .product-card h3 { font-size: 18px; }
  .product-card p { font-size: 14px; }
  .philosophy-card { padding: 24px 16px 20px; }
  .philosophy-card h4 { font-size: 14px; }
  .philosophy-card p { font-size: 12px; }
  .core-card { padding: 28px 20px 24px; }
  .core-card h3 { font-size: 18px; }
  .core-card-icon { width: 56px; height: 56px; }
  .quality-card { padding: 28px 20px; }
  .quality-card h3 { font-size: 32px; }
  .ai-card { flex-direction: column; padding: 28px 20px; }
  .ai-card h3 { font-size: 18px; }
  .ai-card p { font-size: 14px; }
  .case-slide { padding: 12px; }
  .case-slide-img { height: 200px; min-height: 180px; border-radius: var(--radius); }
  .case-slide-content { padding: 20px 16px; }
  .case-slide-content h3 { font-size: 18px; }
  .case-card-desc { font-size: 13px; }
  .case-stat { font-size: 11px; }
  .partner-logos { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .partner-logo-card { padding: 12px 8px; }
  .about-card { padding: 24px 20px; }
  .about-card h3 { font-size: 18px; }
  .about-card p { font-size: 14px; }
  .cert-badge { font-size: 10px; padding: 4px 8px; }
  .contact-unified-map { padding: 20px; min-height: 200px; }
  .contact-info-item { gap: 10px; }
  .contact-info-icon { width: 32px; height: 32px; }
  .contact-info-item p { font-size: 13px; }
  .contact-qr-section { flex-wrap: wrap; gap: 16px; }
  .timeline-item { padding: 24px 20px; }
  .timeline-item h4 { font-size: 16px; }
  .timeline-item p { font-size: 13px; }
  .footer { padding: 48px 20px 24px; }
  .footer-col h4 { font-size: 14px; }
  .footer-col ul li a { font-size: 13px; }
  .footer-bottom { font-size: 12px; }
  .strategy-cards { gap: 20px; }
  .strategy-card { padding: 28px 20px; }
  .strategy-card h3 { font-size: 16px; }
  .strategy-card p { font-size: 13px; }
  .mode-cards { gap: 16px; }
  .mode-card { padding: 28px 20px; }
  .mode-card h3 { font-size: 16px; }
  .mode-card p { font-size: 13px; }
}