/* ===========================
   CSS Custom Properties - 科技感黄绿主题
   =========================== */
:root {
  --bg-primary: #FAFBF5;
  --bg-secondary: #F2F4EC;
  --bg-dark: #1A1A2E;
  --card-bg: #FFFFFF;
  --card-border: rgba(168, 204, 44, 0.15);
  --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.045);
  --card-shadow-hover: 0 10px 28px rgba(168, 204, 44, 0.12);

  --accent: #C8E84D;
  --accent-dark: #A8CC2C;
  --accent-light: #E4F5A0;
  --accent-glow: rgba(200, 232, 77, 0.3);
  --gradient-primary: linear-gradient(135deg, #C8E84D, #8BC34A);
  --gradient-title: linear-gradient(135deg, #0D0D1A 0%, #1A1A2E 40%, #4A7C10 80%, #6B9B1E 100%);

  --text-heading: #1A1A2E;
  --text-body: #555;
  --text-light: #888;

  --section-padding: 96px 0;
  --max-w: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --ease: 0.3s ease;
  --ease-slow: 0.6s ease;
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 18px; }
body { font-family: var(--font); background: var(--bg-primary); color: var(--text-body); line-height: 1.6; min-height: 100vh; -webkit-font-smoothing: antialiased; font-weight: 500; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { color: var(--text-heading); line-height: 1.3; }
p { font-size: 1rem; color: var(--text-body); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
section { padding: var(--section-padding); }

/* === Navigation === */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: linear-gradient(to bottom, rgba(200,232,77,0.34), rgba(250,251,245,0.9));
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: none;
  transition: all var(--ease);
}
.navbar.scrolled { background: rgba(250, 251, 245, 0.95); box-shadow: 0 2px 24px rgba(0,0,0,0.06); }
.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: var(--max-w); margin: 0 auto; padding: 0 20px; height: 64px; }
.nav-logo { flex-shrink: 0; display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: 64px; }
.nav-menu li a { color: var(--text-heading); font-size: 0.95rem; font-weight: 700; transition: color var(--ease); padding: 8px 0; min-height: 44px; display: flex; align-items: center; }
.nav-menu li a:hover, .nav-menu li a:focus { color: var(--accent-dark); }

.hamburger { display: none; flex-direction: column; justify-content: center; align-items: center; width: 44px; height: 44px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-heading); border-radius: 2px; transition: transform var(--ease), opacity var(--ease); }
.hamburger span + span { margin-top: 6px; }

@media (max-width: 768px) {
  .nav-menu { display: none; position: fixed; top: 64px; left: 0; width: 100%; height: calc(100vh - 64px); background: rgba(250,251,245,0.98); flex-direction: column; justify-content: center; align-items: center; backdrop-filter: blur(16px); }
  .nav-menu li { width: 100%; text-align: center; }
  .nav-menu li a { font-size: 1.125rem; padding: 14px 20px; min-height: 44px; justify-content: center; }
  .hamburger { display: flex; }
  .menu-open .nav-menu { display: flex; }
  .menu-open .hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-open .hamburger span:nth-child(2) { opacity: 0; }
  .menu-open .hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* === Hero Section === */
#hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg-primary); overflow: hidden; padding-top: 64px;
}
#hero::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(200,232,77,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(168,204,44,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(139,195,74,0.04) 0%, transparent 50%);
  z-index: 0;
}

#hero-canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none;
}

.hero-grid-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(168,204,44,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168,204,44,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 75%);
}

.hero-orb { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(90px); }
.hero-orb-1 { width: 560px; height: 560px; background: radial-gradient(circle, rgba(200,232,77,0.14) 0%, transparent 70%); top: -14%; left: -10%; animation: orbFloat 10s ease-in-out infinite; }
.hero-orb-2 { width: 480px; height: 480px; background: radial-gradient(circle, rgba(168,204,44,0.11) 0%, transparent 70%); bottom: 4%; right: -10%; animation: orbFloat 12s ease-in-out infinite reverse; }
.hero-orb-3 { width: 360px; height: 360px; background: radial-gradient(circle, rgba(200,232,77,0.1) 0%, transparent 70%); top: 22%; right: 12%; animation: orbFloat 10s ease-in-out infinite 1s; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}

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

/* === Hero Split Layout === */
.hero-split {
  display: flex; align-items: center; gap: 60px;
  position: relative; z-index: 1; width: 100%; min-height: calc(100vh - 64px);
}
.hero-left {
  flex: 1; text-align: left; min-width: 0;
}
.hero-right {
  flex: 0 0 500px; display: flex; gap: 14px; height: 500px; overflow: hidden;
  border-radius: 20px; position: relative;
}
.hero-right::after {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none;
  background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 12%, transparent 88%, var(--bg-primary) 100%);
  z-index: 1;
}

.hero-scroll-col {
  flex: 1; overflow: hidden; position: relative;
}
.hero-scroll-track {
  display: flex; flex-direction: column; gap: 12px;
}
.hero-scroll-track img {
  width: 100%; border-radius: 12px; object-fit: cover; aspect-ratio: 3/4;
  display: block;
}

.hero-scroll-down .hero-scroll-track {
  animation: scrollDown 40s linear infinite;
}
.hero-scroll-up .hero-scroll-track {
  animation: scrollUp 40s linear infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
@keyframes scrollUp {
  0% { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}

@media (max-width: 768px) {
  .hero-split { flex-direction: column; gap: 40px; padding-top: 40px; padding-bottom: 40px; }
  .hero-left { text-align: center; }
  .hero-right { flex: none; width: 100%; height: 400px; }
  .hero-buttons { justify-content: center; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .hero-right { flex: 0 0 420px; height: 440px; }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(200,232,77,0.1); border: 1px solid rgba(200,232,77,0.3);
  font-size: 0.9rem; font-weight: 500;
  margin-bottom: 28px;
  animation: badgeColorShift 6s ease-in-out infinite, badgeFadeIn 0.6s ease forwards;
  opacity: 0;
  transition: transform 2s ease;
}

@keyframes badgeFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes badgeColorShift {
  0%, 100% { color: #1A1A2E; border-color: rgba(200,232,77,0.3); }
  33% { color: #A8CC2C; border-color: rgba(168,204,44,0.5); }
  66% { color: #8BC34A; border-color: rgba(139,195,74,0.5); }
}

.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes heroFadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-title {
  font-size: 4.2rem; font-weight: 900; margin-bottom: 48px; color: var(--text-heading);
  animation: heroFadeInUp 0.8s ease forwards 0.1s; opacity: 0; line-height: 1.1;
  letter-spacing: 0.02em;
}

.hero-title-accent {
  background: linear-gradient(135deg, #0f172a 8%, #1a1a2e 32%, #3f6113 60%, #7aa928 82%, #4a7c10 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  background-size: 180% 180%;
  -webkit-text-stroke: 0.5px rgba(15, 23, 42, 0.24);
  text-shadow: 0 2px 8px rgba(26, 26, 46, 0.16);
  animation: gradientShift 4.8s ease infinite, heroFadeInUp 0.8s ease forwards 0.1s;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.2rem; color: var(--text-body); max-width: 560px; margin: 0 0 32px; line-height: 1.8;
  animation: heroFadeInUp 0.8s ease forwards 0.3s; opacity: 0; font-weight: 500;
  text-align: left;
}

.hero-highlight {
  font-weight: 700; font-size: 1.4rem;
  background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-buttons {
  display: flex; gap: 16px; flex-wrap: wrap;
  animation: heroFadeInUp 0.8s ease forwards 0.5s; opacity: 0;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 36px; border-radius: 50px; font-size: 1rem; font-weight: 600;
  min-height: 44px; min-width: 44px; cursor: pointer;
  transition: all var(--ease); position: relative; overflow: hidden;
}

.btn-primary {
  background: var(--accent); color: var(--text-heading);
  box-shadow: 0 4px 16px rgba(200,232,77,0.2);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--accent-dark); box-shadow: 0 6px 22px rgba(200,232,77,0.3); transform: translateY(-2px);
}
.btn-primary::after {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  transform: translateX(-100%); transition: none;
}
.btn-primary:hover::after { animation: btnShine 0.6s ease forwards; }

@keyframes btnShine {
  to { transform: translateX(100%); }
}

.btn-icon { font-size: 1.1rem; }

.btn-secondary {
  background: transparent; color: var(--text-heading); border: 2px solid var(--text-heading);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--text-heading); color: #fff; transform: translateY(-2px);
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.4rem; margin-bottom: 30px; }
  .hero-subtitle { font-size: 1.05rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .hero-title { font-size: 3.8rem; }
}

/* === Section Title === */
.section-title {
  text-align: center; font-size: 2.2rem; font-weight: 800; margin-bottom: 28px;
  background: var(--gradient-title); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-subtitle { text-align: center; color: var(--text-light); font-size: 1rem; margin-bottom: 56px; }

/* === Scroll Animation === */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* === Tech Card Style (shared) === */
.tech-card-style {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
  box-shadow: var(--card-shadow); transition: all var(--ease); position: relative; overflow: hidden;
}
.tech-card-style::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: left 0.5s ease;
}
.tech-card-style:hover::before { left: 100%; }
.tech-card-style:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }

/* === Solution Overview === */
#solutions-overview { background: var(--bg-secondary); }

/* === Solution Detail === */
#solutions-detail { background: var(--bg-primary); }

.solution-tabs { display: flex; justify-content: center; gap: 0; margin-bottom: 48px; flex-wrap: nowrap; background: rgba(200,232,77,0.12); border-radius: 60px; padding: 6px 8px; width: fit-content; margin-left: auto; margin-right: auto; position: relative; }
.solution-tab {
  padding: 14px 32px; font-size: 1rem; color: var(--text-body);
  background: transparent; border: none; border-radius: 50px;
  cursor: pointer; transition: all var(--ease); min-height: 44px; display: inline-flex; align-items: center; gap: 8px; font-weight: 500;
}
.solution-tab:hover, .solution-tab:focus { color: var(--text-heading); background: rgba(200,232,77,0.2); outline: none; }
.solution-tab.active { color: var(--text-heading); background: transparent; border: none; font-weight: 600; }
.tab-slider { position: absolute; top: 6px; left: 0; height: calc(100% - 12px); background: var(--accent); border-radius: 50px; transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), width 0.35s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 2px 8px rgba(200,232,77,0.2); z-index: 0; pointer-events: none; }
.solution-tab { position: relative; z-index: 1; }
.tab-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.tab-icon-svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (hover: hover) and (pointer: fine) {
  .solution-tab {
    transition: color var(--ease), background var(--ease), box-shadow var(--ease);
  }
  .solution-tab:hover {
    box-shadow: 0 0 0 1px rgba(168, 204, 44, 0.2), 0 0 18px rgba(200, 232, 77, 0.18);
  }

  .tech-card-icon,
  .ent-icon,
  .about-vision-icon {
    transition: box-shadow var(--ease), background-color var(--ease), transform var(--ease);
  }

  .tech-card:hover .tech-card-icon,
  .enterprise-card:hover .ent-icon,
  .about-vision-card:hover .about-vision-icon {
    background: rgba(200, 232, 77, 0.2);
    box-shadow: 0 0 0 1px rgba(168, 204, 44, 0.22), 0 0 22px rgba(200, 232, 77, 0.22);
    transform: translateY(-1px);
  }
}

.solution-panels { position: relative; }
.solution-panel { display: none; animation: fadeInPanel 0.4s ease; }
.solution-panel.active { display: block; }
@keyframes fadeInPanel { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.solution-panel-content { display: flex; gap: 48px; align-items: center; }
.solution-panel-text { flex: 1; }
.solution-panel-text h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; }
.solution-panel-desc { font-size: 1.05rem; color: var(--text-body); margin-bottom: 24px; line-height: 1.7; }
.kpi-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}
.kpi-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #2f4d0d;
  background: linear-gradient(135deg, rgba(200, 232, 77, 0.2), rgba(139, 195, 74, 0.16));
  border: 1px solid rgba(168, 204, 44, 0.26);
}
.solution-capabilities { list-style: none; padding: 0; margin-bottom: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.solution-capabilities li { position: relative; padding-left: 20px; color: var(--text-body); font-size: 0.95rem; line-height: 1.6; }
.solution-capabilities li::before { content: ''; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.solution-value { font-size: 1rem; color: var(--accent-dark); font-weight: 600; padding: 16px; background: rgba(200,232,77,0.08); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; }
.solution-panel-image { flex: 1; min-height: 400px; border-radius: 16px; max-width: 560px; }
.solution-carousel { position: relative; overflow: hidden; }
.carousel-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.8s ease; }
.carousel-img.active { opacity: 1; }

@media (max-width: 768px) {
  .solution-panel-content { flex-direction: column; }
  .solution-panel-image { width: 100%; min-height: 200px; max-width: 100%; }
  .solution-capabilities { grid-template-columns: 1fr; }
  .solution-tab { padding: 10px 18px; font-size: 0.9rem; gap: 6px; }
  .kpi-badge { font-size: 0.74rem; }
}

/* === Tech Grid === */
#tech { background: var(--bg-secondary); }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tech-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
  padding: 32px 24px; text-align: center; box-shadow: var(--card-shadow);
  transition: all var(--ease); position: relative; overflow: hidden;
}
.tech-card::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: left 0.5s ease;
}
.tech-card:hover::before { left: 100%; }
.tech-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.tech-icon { margin-bottom: 20px; display: flex; justify-content: center; }
.tech-name { font-size: 1.15rem; font-weight: 600; color: var(--text-heading); margin-bottom: 12px; }
.tech-desc { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; }

@media (max-width: 768px) { .tech-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } .tech-card { padding: 24px 16px; } }

/* === Case Section === */
#cases { background: var(--bg-primary); }
.case-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.case-tab {
  padding: 12px 28px; font-size: 1rem; color: var(--text-body);
  background: var(--bg-secondary); border: 1px solid var(--card-border); border-radius: 50px;
  cursor: pointer; transition: all var(--ease); min-height: 44px;
}
.case-tab:hover, .case-tab:focus { color: var(--accent-dark); border-color: var(--accent); outline: none; }
.case-tab.active { color: var(--text-heading); background: var(--accent); border-color: var(--accent); font-weight: 600; }
.case-panels { position: relative; }
.case-panel { display: none; animation: fadeInPanel 0.4s ease; }
.case-panel.active { display: block; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
  overflow: hidden; box-shadow: var(--card-shadow); transition: all var(--ease); position: relative;
}
.case-card::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: left 0.5s ease;
}
.case-card:hover::before { left: 100%; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.case-card-image { height: 200px; }
.case-card-desc { padding: 16px 20px; font-size: 0.95rem; color: var(--text-body); line-height: 1.6; }
.case-card.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.case-card.animate-on-scroll:nth-child(2) { transition-delay: 0.15s; }
.case-card.animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }

@media (max-width: 768px) { .case-grid { grid-template-columns: 1fr; } .case-tab { padding: 10px 18px; font-size: 0.9rem; } }
@media (min-width: 769px) and (max-width: 1024px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }

/* === Enterprise Section === */
#enterprise { background: var(--bg-secondary); }
.enterprise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.enterprise-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
  padding: 32px 20px; text-align: center; box-shadow: var(--card-shadow);
  transition: all var(--ease); position: relative; overflow: hidden;
}
.enterprise-card::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: left 0.5s ease;
}
.enterprise-card:hover::before { left: 100%; }
.enterprise-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.enterprise-icon { margin-bottom: 20px; display: flex; justify-content: center; }
.enterprise-title { font-size: 1.1rem; font-weight: 600; color: var(--text-heading); margin-bottom: 12px; }
.enterprise-desc { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; }

@media (max-width: 768px) { .enterprise-grid { grid-template-columns: 1fr; } }
@media (min-width: 769px) and (max-width: 1024px) { .enterprise-grid { grid-template-columns: repeat(2, 1fr); } }

/* === About / Vision Section === */
#about {
  background: var(--bg-primary);
  position: relative; overflow: hidden;
}

.about-heading {
  text-align: center; font-size: 2.2rem; font-weight: 800; margin-bottom: 28px;
  background: var(--gradient-title); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about-sub {
  text-align: center; font-size: 1.05rem; color: var(--text-light);
  margin-bottom: 56px; max-width: 600px; margin-left: auto; margin-right: auto;
}

.about-vision-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative; z-index: 1;
}
.about-vision-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
  padding: 36px 24px; text-align: center;
  box-shadow: var(--card-shadow); transition: all var(--ease);
  position: relative; overflow: hidden;
}
.about-vision-card::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: left 0.5s ease;
}
.about-vision-card:hover::before { left: 100%; }
.about-vision-card:hover {
  transform: translateY(-3px); box-shadow: var(--card-shadow-hover);
}
.about-vision-icon {
  margin-bottom: 16px;
  width: 56px; height: 56px;
  margin-left: auto; margin-right: auto;
  background: rgba(200,232,77,0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.about-vision-card h3 {
  font-size: 1.15rem; font-weight: 700; color: var(--text-heading); margin-bottom: 12px;
}
.about-vision-card p {
  font-size: 0.9rem; color: var(--text-body); line-height: 1.7;
}

@media (max-width: 768px) {
  .about-vision-grid { grid-template-columns: 1fr; }
  .about-heading { font-size: 1.6rem; }
}

/* === CTA Section === */
#cta {
  background: linear-gradient(135deg, rgba(200,232,77,0.12), rgba(168,204,44,0.08), rgba(139,195,74,0.06));
  border-top: 1px solid rgba(200,232,77,0.15); border-bottom: 1px solid rgba(200,232,77,0.15);
  position: relative; overflow: hidden;
}
#cta::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(200,232,77,0.06) 0%, transparent 50%);
  animation: ctaPulse 6s ease-in-out infinite;
}
@keyframes ctaPulse { 0%, 100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.1); opacity: 1; } }
.cta-content { text-align: center; position: relative; z-index: 1; }
.cta-title { font-size: 2rem; font-weight: 700; color: var(--text-heading); margin-bottom: 36px; line-height: 1.4; }
.cta-btn { padding: 16px 48px; font-size: 1.1rem; }

@media (max-width: 768px) { .cta-title { font-size: 1.4rem; } .cta-btn { padding: 14px 36px; font-size: 1rem; } }

/* === Footer === */
#footer { background: var(--bg-dark); padding: 60px 0 0; }
.footer-top { display: flex; gap: 60px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand { flex: 1; min-width: 200px; }
.footer-brand-desc { margin-top: 16px; font-size: 0.9rem; color: rgba(255,255,255,0.5); line-height: 1.7; max-width: 280px; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; flex: 2; }
.footer-link-group h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-link-group ul li { margin-bottom: 8px; }
.footer-link-group ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.45); transition: color var(--ease); display: inline-block; min-height: 32px; line-height: 32px; }
.footer-link-group ul li a:hover, .footer-link-group ul li a:focus { color: var(--accent); }
.footer-contact { padding: 32px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-contact h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 12px; }
.footer-contact p { font-size: 0.9rem; color: rgba(255,255,255,0.45); margin-bottom: 6px; }
.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.35); }

@media (max-width: 768px) { .footer-top { flex-direction: column; gap: 32px; } .footer-links { flex-direction: column; gap: 24px; } }

/* === Contact Modal === */
body.modal-open {
  overflow: hidden;
}
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.contact-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 22, 28, 0.56);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.contact-modal-dialog {
  position: relative;
  width: min(92vw, 420px);
  background: linear-gradient(180deg, #ffffff 0%, #f9fbf2 100%);
  border: 1px solid rgba(168, 204, 44, 0.3);
  border-radius: 18px;
  box-shadow: 0 24px 56px rgba(16, 26, 18, 0.3);
  padding: 28px 24px 22px;
  text-align: center;
  transform: translateY(10px) scale(0.98);
  transition: transform 0.25s ease;
}
.contact-modal.is-open .contact-modal-dialog {
  transform: translateY(0) scale(1);
}
.contact-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(26, 26, 46, 0.08);
  color: #1a1a2e;
  font-size: 1.2rem;
  line-height: 1;
}
.contact-modal-close:hover,
.contact-modal-close:focus {
  background: rgba(168, 204, 44, 0.28);
}
.contact-modal-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-size: 0.75rem;
  color: #55750f;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(200, 232, 77, 0.2);
}
.contact-modal-dialog h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}
.contact-modal-desc {
  color: #667080;
  font-size: 0.92rem;
  margin-bottom: 16px;
}
.contact-qr-wrap {
  width: min(70vw, 280px);
  margin: 0 auto;
  padding: 10px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(168, 204, 44, 0.26);
  box-shadow: 0 8px 20px rgba(26, 26, 46, 0.1);
}
.contact-qr-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}
.contact-modal-tip {
  margin-top: 12px;
  font-size: 0.86rem;
  color: #5d6776;
}

@media (max-width: 768px) {
  .contact-modal-dialog {
    padding: 24px 18px 18px;
    border-radius: 14px;
  }
  .contact-modal-dialog h3 {
    font-size: 1.15rem;
  }
}

/* === Hero Line === */
.hero-line { display: block; }

/* === Section Sub === */
.section-sub {
  text-align: center; color: var(--text-light); font-size: 1rem; margin-bottom: 56px;
}

/* === Bento Grid === */
.bento-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.bento-large { grid-column: 1 / -1; }
.bento-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
  overflow: hidden; box-shadow: var(--card-shadow); transition: all var(--ease);
  position: relative;
}
.bento-card::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: left 0.5s ease; z-index: 1;
}
.bento-card:hover::before { left: 100%; }
.bento-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }

.bento-card-inner { display: flex; flex-direction: column; height: 100%; }
.bento-large .bento-card-inner { flex-direction: row; min-height: 280px; }

.bento-visual { min-height: 180px; flex-shrink: 0; }
.bento-large .bento-visual { width: 50%; min-height: auto; }

.bento-text { padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.bento-text h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--text-heading); }
.bento-text p { font-size: 0.95rem; color: var(--text-body); line-height: 1.7; }

.bento-tag {
  display: inline-block; padding: 4px 12px; border-radius: 50px; font-size: 0.75rem;
  font-weight: 600; background: rgba(200,232,77,0.15); color: var(--accent-dark);
  margin-bottom: 10px; width: fit-content;
}

@media (max-width: 768px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-large .bento-card-inner { flex-direction: column; }
  .bento-large .bento-visual { width: 100%; min-height: 180px; }
  .section-title { font-size: 1.6rem; }
}

/* === Button Variants === */
.btn-shine {
  position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: none; pointer-events: none;
}
.btn:hover .btn-shine { animation: btnShine 0.6s ease forwards; }

.btn-outline {
  background: transparent; color: var(--text-heading); border: 2px solid rgba(168, 204, 44, 0.2);
  backdrop-filter: blur(4px);
}
.btn-outline:hover, .btn-outline:focus {
  border-color: rgba(168, 204, 44, 0.65); color: var(--accent-dark); transform: translateY(-2px);
}

/* === Enterprise Icon === */
.ent-icon {
  margin-bottom: 16px;
  width: 56px; height: 56px; margin-left: auto; margin-right: auto;
  background: rgba(200,232,77,0.1); border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}

/* === Tech Card Icon === */
.tech-card-icon {
  margin-bottom: 16px;
  width: 56px; height: 56px; margin-left: auto; margin-right: auto;
  background: rgba(200,232,77,0.1); border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}

.icon-svg {
  width: 24px;
  height: 24px;
  margin: 0;
  display: block;
  fill: none;
  stroke: #5f881e;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* === Accessibility === */
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
body, p, li, a, span, td, th, label, input, textarea, select, button { font-size: max(0.875rem, 14px); }
h1 { font-size: max(1.8rem, 14px); } h2 { font-size: max(1.6rem, 14px); } h3 { font-size: max(1.15rem, 14px); }

/* === Reduced Motion Support === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-scroll-down .hero-scroll-track,
  .hero-scroll-up .hero-scroll-track,
  .hero-orb,
  #cta::before {
    animation: none !important;
  }
}