/* Font-Face: HarmonyOS Sans SC */
@font-face {
  font-family: 'HarmonyOS Sans SC';
  src: url('../assets/fonts/HarmonyOS_Sans_SC_Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'HarmonyOS Sans SC';
  src: url('../assets/fonts/HarmonyOS_Sans_SC_Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   东方之灵 ORIENT FEELING �?官网样式
   Brand Color: #114CE0
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --brand:        #114CE0;
  --brand-nav:    #497dff;
  --brand-light:  #497dff;
  /* --brand-light:  #97DEE6;*/
  --brand-dark:   #0D3BB3;
  --brand-glow:   rgba(17, 76, 224, 0.35);

  --dark-bg:      #050810;
  --dark-surface: #0C1020;
  --dark-card:    #111830;
  --dark-border:  #1E2748;

  --light-bg:     #FFFFFF;
  --light-surface:#F6F8FC;
  --light-card:   #FFFFFF;
  --light-border: #E2E8F0;

  --text-primary:   #FFFFFF;
  --text-secondary: #A0AEC0;
  --text-dark:      #1A202C;
  --text-muted:     #718096;

  --success: #10B981;
  --warning: #F59E0B;
  --danger:  #EF4444;

  --font-cn: 'HarmonyOS Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'HarmonyOS Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --nav-height: 72px;
  --section-padding: 80px 60px;
  --container-max: 1400px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
  --shadow-glow: 0 0 30px var(--brand-glow);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-cn);
  color: var(--text-dark);
  background: var(--light-bg);
  overflow: hidden;
  line-height: 1.6;
}

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

ul, ol {
  list-style: none;
}

img, video {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* ---------- Scroll Container ---------- */
.scroll-container {
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

.scroll-container::-webkit-scrollbar {
  width: 0;
  display: none;
}

/* ---------- Sections ---------- */
.section {
  min-height: 100vh;
  scroll-snap-align: start;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section--dark {
  background-color: var(--dark-bg);
  color: var(--text-primary);
}

.section--light {
  background-color: var(--light-bg);
  color: var(--text-dark);
}

.section-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: calc(var(--nav-height) + 24px) 40px 24px;
}

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-label {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--brand-nav);
  margin-bottom: 16px;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.section-subtitle {
  font-size: 18px;
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.section--light .section-subtitle {
  color: var(--text-muted);
}

.section-desc {
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-secondary);
}

.section--light .section-desc {
  color: var(--text-muted);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  color: var(--text-secondary);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

/* 默认透明nav: logo白色, 文字--text-secondary */
.nav .nav-logo-svg {
  color: #FFFFFF;
}
.nav .nav-links a {
  color: var(--text-secondary);
}

.nav--scrolled {
  background: rgba(5, 8, 16, 0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--dark-border);
  color: #FFFFFF;
}

.nav--light {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--light-border);
  color: var(--brand);
}

.nav--light .nav-links a {
  color: var(--text-dark);
}

/* Nav logo SVG �?brand color on light nav, white on dark nav */
.nav-logo-svg {
  height: 140px;
  width: auto;
}
.nav--scrolled .nav-logo-svg {
  color: #FFFFFF;
}

.nav--light .nav-logo-svg {
  color: var(--brand);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
}


.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-primary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after,
.nav-links .active::after {
  width: 100%;
}

.nav-links a:hover,
.nav-links a.active,
.nav-links .active {
  color: var(--brand-nav);
}

.nav--light .nav-links a:hover,
.nav--light .nav-links a.active,
.nav--light .nav-links .active {
  color: var(--brand);
}

.nav-cta {
  display: inline-flex;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  color: var(--text-secondary);
  border: 1px solid rgba(160, 174, 192, 0.4);
}

.nav-cta:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.08);
}

/* Dark nav (on light sections) - white text + outline */
.nav--scrolled .nav-cta {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav--scrolled .nav-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

/* Light nav (on dark sections) - brand button */
.nav--light .nav-cta {
  color: #fff;
  background: var(--brand);
  border: 1px solid var(--brand);
  box-shadow: 0 4px 16px var(--brand-glow);
}

.nav--light .nav-cta:hover {
  background: var(--brand-light);
  box-shadow: 0 6px 24px var(--brand-glow);
  transform: translateY(-2px);
}


.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav-menu-btn span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}

.nav--light .nav-menu-btn span {
  background: var(--text-dark);
}

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-links {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mobile-menu-links a {
  font-size: 24px;
  color: var(--text-primary);
  transition: color var(--transition);
}

.mobile-menu-links a:hover {
  color: var(--brand);
}

/* ---------- Scroll Dots ---------- */
.scroll-dots {
  position: fixed;
  right: 43px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scroll-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.scroll-dot.active {
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 0 10px var(--brand-glow);
  transform: scale(1.3);
}

.scroll-dot:hover:not(.active) {
  background: rgba(255, 255, 255, 0.5);
}

/* Dots on light background */
.scroll-dots--light .scroll-dot {
  background: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.2);
}

.scroll-dots--light .scroll-dot.active {
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 0 10px var(--brand-glow);
}

.scroll-dots--light .scroll-dot:hover:not(.active) {
  background: rgba(0, 0, 0, 0.25);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-cn);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 13px;
}

.btn--lg {
  padding: 14px 36px;
  font-size: 16px;
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 16px var(--brand-glow);
}

.btn--primary:hover {
  background: var(--brand-light);
  box-shadow: 0 6px 24px var(--brand-glow);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-dark {
  background: transparent;
  color: var(--text-dark);
  border: 1px solid var(--light-border);
}

.btn--outline-dark:hover {
  background: var(--light-surface);
  border-color: var(--brand);
  color: var(--brand);
}

/* ---------- Tags ---------- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 20px;
  background: rgba(17, 76, 224, 0.08);
  color: var(--brand);
  border: 1px solid rgba(17, 76, 224, 0.15);
}

.section--dark .tag {
  background: rgba(17, 76, 224, 0.15);
  border-color: rgba(17, 76, 224, 0.3);
}

/* ============================================================
   Image Placeholders
   ============================================================ */
.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px dashed rgba(17, 76, 224, 0.3);
  border-radius: var(--radius-md);
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(17, 76, 224, 0.03) 10px,
      rgba(17, 76, 224, 0.03) 20px
    );
  position: relative;
  overflow: hidden;
  min-height: 80px;
}

.img-placeholder::before {
  content: '📷';
  font-size: 28px;
  opacity: 0.5;
}

.img-placeholder-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--brand);
  text-align: center;
}

.img-placeholder::after {
  content: attr(data-label) '\A' attr(data-size);
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  white-space: pre-line;
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(255,255,255,0.85);
  padding: 3px 8px;
  border-radius: 4px;
}

.section--dark .img-placeholder {
  border-color: rgba(17, 76, 224, 0.4);
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(17, 76, 224, 0.06) 10px,
      rgba(17, 76, 224, 0.06) 20px
    );
}

.section--dark .img-placeholder::after {
  background: rgba(12, 16, 32, 0.85);
  color: var(--text-secondary);
}

.section--dark .img-placeholder-text {
  color: var(--brand-light);
}

.img-placeholder--icon {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  min-height: 120px;
}

.img-placeholder--icon::before {
  font-size: 36px;
}

.img-placeholder--sm {
  min-height: 80px;
}

.img-placeholder--product {
  min-height: 260px;
  border-radius: var(--radius-lg);
}

.img-placeholder--partner {
  width: 200px;
  height: 80px;
  min-height: 80px;
  background: #fff !important;
  border-color: var(--light-border) !important;
}

.img-placeholder--partner::before {
  content: 'LOGO';
  font-size: 12px;
  color: #ccc;
}

.img-placeholder--partner::after {
  background: rgba(246, 248, 252, 0.9);
  color: #999;
}

.map-viewport {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: grab;
  border: 1px solid var(--light-border);
  background: #fff;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.map-viewport:active {
  cursor: grabbing;
}

.map-content {
  position: relative;
  width: 100%;
  transform-origin: 0 0;
  will-change: transform;
}

.map-image {
  width: 100%;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

.map-markers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}













.map-marker {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}

.map-marker::before {
  content: '';
  width: 14px;
  height: 14px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--brand-glow);
  flex-shrink: 0;
}

.map-marker::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 0;
  top: 50%;
  margin-top: -7px;
  border-radius: 50%;
  border: 2px solid var(--brand);
  animation: ripple 2.4s ease-out infinite, ripple 2.4s ease-out 0.8s infinite;
  pointer-events: none;
}

.map-marker span {
  font-size: 20px;
  color: #fff;
  background: rgba(17, 76, 224, 0.85);
  padding: 5px 12px;
  border-radius: 4px;
  white-space: nowrap;
}

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.7;
    border-width: 2px;
  }
  100% {
    transform: scale(4);
    opacity: 0;
    border-width: 1px;
  }
}

/* Map zoom controls */
.map-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 10;
}

.map-ctrl-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: rgba(17, 24, 48, 0.85);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  backdrop-filter: blur(8px);
}

.map-ctrl-btn:hover {
  background: var(--brand);
}

/* ============================================================
   Hero Section
   ============================================================ */
.section--hero {
  padding: 0;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 8, 16, 0.6) 0%,
    rgba(5, 8, 16, 0.75) 50%,
    rgba(5, 8, 16, 0.9) 100%
  );
  z-index: 2;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 4;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: -60px;
}


.hero-logo-img {
  width: clamp(200px, 28vw, 450px);
  height: auto;
  display: block;
  margin: 0 auto 24px;
  color: #FFF;
}

.hero-title {
  font-size: 64px;
  font-weight: 700;
  letter-spacing: 8px;
  line-height: 1.1;
}

.hero-title-en {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 200;
  letter-spacing: 12px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 6px;
  color: var(--brand-light);
  text-transform: uppercase;
  padding: 6px 24px;
  border: 1px solid rgba(17, 76, 224, 0.4);
  border-radius: 30px;
  background: rgba(17, 76, 224, 0.08);
}

.hero-slogan {
  font-size: clamp(16px, 2.5vw, 24px);
  color: var(--text-primary);
  letter-spacing: 6px;
  margin-bottom: 8px;
}

.hero-slogan-en {
  font-family: var(--font-en, Georgia, serif);
  font-size: clamp(13px, 1.8vw, 16px);
  color: var(--text-primary);
  letter-spacing: 3px;
  margin-bottom: 24px;
  font-style: italic;
}

.hero-cta {
  display: flex;
  gap: 20px;
  margin-top: 32px;
}

.hero-bottom-text {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
}

.hero-sub-desc {
  font-size: clamp(12px, 1.4vw, 14px);
  color: rgba(255,255,255,0.5);
  letter-spacing: 4px;
  margin-top: 8px;
  white-space: nowrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 12px;
  letter-spacing: 2px;
  animation: heroFloat 2s ease-in-out infinite;
}

.hero-desc {
  font-size: clamp(13px, 1.6vw, 15px);
  color: rgba(255,255,255,0.7);
  letter-spacing: 2px;
}

@keyframes heroFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}



@keyframes float-hint {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   Ecosystem Section
   ============================================================ */
.eco-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.eco-card {
  background: var(--light-surface);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.eco-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.eco-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

.eco-card:hover::before {
  transform: scaleX(1);
}

.eco-card-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.eco-icon {
  width: 72px;
  height: 72px;
  color: var(--brand);
}

.eco-icon-accent {
  fill: var(--brand);
  opacity: 0.4;
}

.eco-card-number {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 200;
  color: rgba(17, 76, 224, 0.1);
  position: absolute;
  top: 16px;
  right: 24px;
}

.eco-card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.eco-card-title-en {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.eco-card-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.eco-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

/* Loop Diagram */
.eco-loop {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0;
  background: transparent;
  border-radius: var(--radius-xl);
  border: none;
}

.eco-loop-img {
  flex: 1;
  min-width: 0;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
  object-fit: cover;
}

.eco-loop-arrow-flow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: var(--brand);
  overflow: visible;
}

.eco-loop-arrow-flow svg {
  width: 100%;
  height: 100%;
}

.eco-loop-arrow-flow .arrow-move {
  animation: arrow-slide 2s ease-in-out infinite;
}

@keyframes arrow-slide {
  0%   { transform: translateX(-6px); opacity: 0; }
  50%  { transform: translateX(0);    opacity: 1; }
  100% { transform: translateX(6px);  opacity: 0; }
}

.eco-loop-loop-flow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: var(--brand);
}

.eco-loop-loop-flow svg {
  width: 100%;
  height: 100%;
}

.eco-loop-loop-flow .loop-spin {
  animation: loop-rotate 3s linear infinite;
}

@keyframes loop-rotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.eco-loop-node {
  text-align: center;
  padding: 24px 36px;
  border-radius: var(--radius-md);
  border: 2px solid;
  transition: all var(--transition);
}

.eco-loop-node--data {
  border-color: var(--brand);
  background: rgba(17, 76, 224, 0.05);
}

.eco-loop-node--decision {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.05);
}

.eco-loop-node--value {
  border-color: var(--warning);
  background: rgba(245, 158, 11, 0.05);
}

.eco-loop-label {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
}

.eco-loop-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.eco-loop-arrow {
  font-size: 24px;
  color: var(--text-muted);
  font-weight: 300;
}

.eco-loop-arrow--return {
  font-size: 13px;
  color: var(--brand);
  font-weight: 500;
}

/* ============================================================
   Core Technology (Dark) �?Tabs
   ============================================================ */
.tabs {
  width: 100%;
  position: relative;
}

.tabs-content {
  position: relative;
  width: 100%;
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.tab-btn {
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--dark-border);
  border-radius: 30px;
  transition: all var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--brand);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--brand), #3B7BF7);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 20px var(--brand-glow);
}

.tab-panel {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  pointer-events: none;
}

.tab-panel.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}



@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.tech-block {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.tech-block--wide {
  grid-column: 1 / -1;
}

.tech-block-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 0;
  padding-left: 16px;
  border-bottom: none;
  border-left: 3px solid var(--brand);
  color: var(--brand-light);
}

/* Hardware items */
.tech-hardware {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.tech-hw-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
}

.hw-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--brand);
}

.tech-hw-label {
  font-weight: 600;
  margin: 0 0 4px;
}

.tech-hw-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  width: 100%;
  text-align: left;
}

.hw-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

.tech-block-note {
  font-size: 14px;
  color: var(--brand-light);
  text-align: center;
  padding: 16px;
  background: rgba(17, 76, 224, 0.08);
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(17, 76, 224, 0.3);
}

/* Lists */
.tech-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-list li {
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
  color: var(--text-secondary);
}

.tech-list--compact {
  gap: 10px;
}

.tech-list--compact li {
  line-height: 1.4;
}

.tech-value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tech-value-item {
  text-align: center;
  padding: 16px 8px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-border);
}

.tech-value-item strong {
  display: block;
  font-size: 15px;
  color: var(--brand-light);
  margin-bottom: 6px;
}

.tech-value-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.tech-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.tech-list li strong {
  color: var(--text-primary);
}

/* People grid */
.tech-people-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.tech-people-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  background: rgba(17, 76, 224, 0.06);
  border-radius: var(--radius-sm);
  border: 1px solid var(--dark-border);
}

.tech-people-age {
  font-weight: 600;
  color: var(--brand-light);
  min-width: 60px;
	text-align: center;
}

.tech-people-focus {
  font-size: 15px;
  color: var(--text-secondary);
}

/* Engine stack */
.tech-engine-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tech-engine-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  background: rgba(17, 76, 224, 0.04);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--brand);
}

.engine-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  color: var(--brand);
}

.tech-engine-body {
  flex: 1;
}

.tech-engine-level {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-light);
  white-space: nowrap;
  min-width: 64px;
  padding-top: 2px;
}

.tech-engine-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.tech-engine-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Evolution */
.tech-evolution {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-evo-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: rgba(17, 76, 224, 0.06);
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-border);
}

.tech-evo-phase {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  white-space: nowrap;
}

.tech-evo-name {
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 8px;
}

.tech-evo-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

.tech-evo-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--brand);
  padding: 4px 0;
}

.tech-evo-arrow svg {
  display: block;
}

.evo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

/* Dual */
.tech-dual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-dual-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(17, 76, 224, 0.06);
  border-radius: var(--radius-sm);
  border: 1px solid var(--dark-border);
}

.dual-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  color: var(--brand);
}

.dual-text {
  height: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

.tech-dual-item h5 {
  margin-top: 12px;
  font-size: 16px;
}

.tech-dual-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Interventions */
.tech-interventions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tech-intv-item {
  text-align: center;
  padding: 20px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.tech-intv-item:hover {
  border-color: var(--brand);
  transform: translateY(-4px);
}

.tech-intv-item h5 {
  margin-top: 6px;
  font-size: 16px;
}

.tech-intv-slogan {
  font-size: 13px;
  color: var(--brand-light);
  font-weight: 500;
  margin: 4px 0;
}

.tech-intv-item p:last-child {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.tech-intv-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 6px;
  color: var(--brand);
}

.tech-intv-icon svg {
  width: 100%;
  height: 100%;
}

/* ============================================================
   Scenarios / Solutions Section
   ============================================================ */
/* Solutions Tabs */
.solutions-tabs {
  display: flex;
  gap: 12px;
  margin-top: 48px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.sol-tab {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  background: var(--light-surface);
  border: 1px solid var(--light-border);
  border-radius: 24px;
  padding: 10px 24px;
  cursor: pointer;
  transition: all var(--transition);
}

.sol-tab:hover {
  border-color: var(--brand);
  color: var(--brand);
  font-weight: 600;
}

.sol-tab.active {
  background: linear-gradient(135deg, var(--brand), #3B7BF7);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(17, 76, 224, 0.3);
}

/* Solution Panels */
.sol-panel {
  display: none;
}

.sol-panel.active {
  display: block;
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sol-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.sol-text {
  padding-right: 20px;
}

.sol-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.sol-tagline {
  font-size: 14px;
  color: var(--brand);
  margin-bottom: 16px;
  font-weight: 500;
}

.sol-detail {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.sol-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sol-features li {
  font-size: 13px;
  color: var(--text-muted);
  padding-left: 24px;
  position: relative;
  line-height: 1.6;
}

.sol-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
}

/* Solution visual / image placeholder */
.sol-visual {
  position: relative;
}

.sol-visual .img-placeholder {
  min-height: 360px;
  border-radius: var(--radius-lg);
}

/* Responsive */


/* =============================================
   PRODUCT CARDS �?5 per row + Scroll
   ============================================= */
/* =============================================
   PRODUCT CARDS �?5-per-row Grid
   ============================================= */
.product-scroll-wrap {
  position: relative;
  margin-top: 32px;
  overflow: hidden;
  padding: 0 8px;
  min-height: 520px;
}

.product-cards-scroll {
  overflow: visible;
}
.product-cards-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 4px;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-card {
  width: calc((100% - 6 * 20px) / 7);
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
}




.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(17, 76, 224, 0.5);
  box-shadow: 0 8px 32px rgba(17, 76, 224, 0.15);
}

.product-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #0a1428, #1a2744);
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

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

.product-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a1428, #1a2744);
  color: rgba(255,255,255,0.4);
  font-size: 13px;
  letter-spacing: 2px;
}

.product-card h5 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 12px 12px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card p {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0 12px 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Scroll Arrow Buttons �?only visible when there's overflow (future: >5 items) */
.product-scroll-arrow {
  display: none;
}

/* Responsive grid */
@media (max-width: 1200px) {
  .product-cards-inner .product-card { width: calc((100% - 4 * 20px) / 5); }
  .product-scroll-wrap { min-height: 640px; }

}
@media (max-width: 900px) {
  .product-cards-inner .product-card { width: calc((100% - 3 * 20px) / 4); }
  .product-scroll-wrap { min-height: 600px; }
}
@media (max-width: 640px) {
  .product-cards-inner .product-card { width: calc((100% - 2 * 20px) / 3); }
  .product-scroll-wrap { min-height: 580px; }
  
}


/* =============================================
   DEPLOY MAP - 产品部署�?   ============================================= */

/* 缩略图入�?*/
.deploy-thumb-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  height: 316px;
}

.deploy-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.deploy-thumb-wrap:hover .deploy-thumb {
  transform: scale(1.03);
}

.deploy-thumb-hint {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 20px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 13px;
  border-radius: 20px;
  white-space: nowrap;
  pointer-events: none;
}

/* 全屏遮罩 */
.deploy-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 9998;
  padding: 32px;
  overflow-y: auto;
}

.deploy-overlay.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

.deploy-overlay-inner {
  position: relative;
  max-width: 1200px;
  width: 100%;
  padding: 0 24px;
}

.deploy-overlay-close {
  position: fixed;
  top: 24px;
  right: 32px;
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: background 0.2s, transform 0.2s;
}

.deploy-overlay-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}



/* 遮罩内完整部署图 */
.deploy-full-map {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  width: 100%;
}

.deploy-full-img {
  width: 100%;
  display: block;
  border-radius: 12px;
}

.deploy-map-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 15;
  transition: background 0.2s, transform 0.2s;
}

.deploy-map-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

/* 热点标记 */
.deploy-hotspot {
  position: absolute;
  z-index: 10;
  cursor: pointer;
  transform: translate(-50%, -50%);
}

.deploy-dot {
  width: 16px;
  height: 16px;
  background: #fff;
  border:0px solid #fff;
  border-radius: 50%;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 10px rgba(17, 76, 224, 0.6);
  transition: transform 0.2s;
}

.deploy-hotspot:hover .deploy-dot {
  transform: scale(1.3);
}

.deploy-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.deploy-ripple span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  border: 4px solid #fff;
  border-radius: 50%;
  animation: deploy-pulse 2.4s ease-out infinite;
  opacity: 0;
}

.deploy-ripple span:nth-child(2) {
  animation-delay: 0.8s;
}

.deploy-ripple span:nth-child(3) {
  animation-delay: 1.6s;
}

@keyframes deploy-pulse {
  0% { transform: scale(0.3); opacity: 0.8; }
  100% { transform: scale(1.2); opacity: 0; }
}

/* 产品卡片弹窗 */
.deploy-card-popup {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 340px;
  max-width: 80vw;
  background: rgba(20, 24, 48, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 28px 24px;
  color: #fff;
  z-index: 20;
  animation: deploy-card-in 0.25s ease;
}

.deploy-card-popup.active {
  display: block;
}

@keyframes deploy-card-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.92); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.deploy-card-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.deploy-card-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.deploy-card-tag {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-light);
  margin-bottom: 6px;
}

.deploy-card-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
  margin-bottom: 16px;
}

.deploy-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.deploy-card-features span {
  font-size: 12px;
  padding: 5px 10px;
  background: rgba(58, 112, 232, 0.15);
  color: var(--brand-light);
  border: 1px solid rgba(58, 112, 232, 0.25);
  border-radius: 6px;
  white-space: nowrap;
}

/* 手机端适配 */
@media (max-width: 768px) {
  .deploy-thumb-wrap {
    min-height: 240px;
  }

  .deploy-overlay.active {
    padding: 16px;
    padding-top: 3vh;
  }

  .deploy-card-popup {
    width: 85vw;
    max-width: 85vw;
    padding: 22px 18px;
  }

  .deploy-dot {
    width: 20px;
    height: 20px;
    border-width: 3px;
  }
}

@media (max-width: 640px) {
  .deploy-thumb-wrap {
    min-height: 200px;
  }
}

/* =============================================
   LIGHTBOX �?Full-screen Image Viewer
   ============================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}

.lightbox-window {
  position: relative;
  z-index: 1;
  max-width: 900px;
  width: calc(100vw - 80px);
  background: var(--dark-card, #111830);
  border: 1px solid rgba(17, 76, 224, 0.25);
  border-radius: 16px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.6), 0 0 60px rgba(17, 76, 224, 0.1);
  overflow: hidden;
}

.lightbox-content {
  display: flex;
  flex-direction: column;
}

.lightbox-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  max-height: 65vh;
  background: #0a1428;
  overflow: hidden;
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

/* Close button �?inside img area, top-right */
.lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(17, 76, 224, 0.75);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
  z-index: 10;
  flex-shrink: 0;
}
.lightbox-close:hover {
  background: rgba(17, 76, 224, 1);
  transform: scale(1.08);
}

/* Prev/Next arrows �?inside img area, sides */
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(17, 76, 224, 0.65);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
  z-index: 10;
  flex-shrink: 0;
}
.lightbox-prev { left: 12px; }
.lightbox-next { right: 12px; }
.lightbox-prev:hover {
  background: rgba(17, 76, 224, 1);
  transform: translateY(-50%) scale(1.08);
}
.lightbox-next:hover {
  background: rgba(17, 76, 224, 1);
  transform: translateY(-50%) scale(1.08);
}

/* Product info panel */
.lightbox-info {
  padding: 20px 28px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: var(--dark-card, #111830);
}

.lightbox-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary, #fff);
  margin: 0 0 8px;
  font-family: var(--font-en);
  letter-spacing: 2px;
}

.lightbox-desc {
  font-size: 14px;
  color: var(--text-secondary, rgba(255,255,255,0.6));
  margin: 0;
  line-height: 1.6;
}

/* Counter �?bottom right corner */
.lightbox-counter {
  position: absolute;
  top: 14px;
  left: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-en);
  letter-spacing: 1px;
  pointer-events: none;
}

/* =============================================
   LIGHTBOX �?CSS only (no JS required)
   ============================================= */

/* ============================================================
   Products Section (Dark) �?Tab Layout
   ============================================================ */
.product-tabs {
  width: 100%;
}

.product-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 48px;
  background: var(--dark-card);
  border-radius: 40px;
  padding: 6px;
  border: 1px solid var(--dark-border);
}

.product-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 28px;
  border-radius: 34px;
  transition: all var(--transition);
  min-width: 160px;
}

.product-tab-btn:hover {
  background: rgba(17, 76, 224, 0.08);
}

.product-tab-btn.active {
  background: linear-gradient(135deg, var(--brand), #3B7BF7);
  box-shadow: 0 0 24px var(--brand-glow);
}

.product-tab-name {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.product-tab-sub {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  transition: color var(--transition);
}

.product-tab-btn.active .product-tab-name {
  color: #fff;
}

.product-tab-btn.active .product-tab-sub {
  color: rgba(255, 255, 255, 0.7);
}

.product-tab-btn:hover:not(.active) .product-tab-name {
  color: var(--text-primary);
}

.product-tab-panel {
  display: none;
}

.product-tab-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}



.product-panel-header {
  text-align: center;
  margin-bottom: 32px;
}

.product-panel-name {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 200;
  letter-spacing: 6px;
  color: var(--brand-light);
  margin-bottom: 4px;
}

.product-panel-sub {
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 2px;
}


/* ============================================================
   News Section
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.news-card--featured {
  /* No longer featured - all cards same size */
}

.news-card {
  background: var(--light-surface);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

.news-card-img {
  overflow: hidden;
  height: 240px;
  flex-shrink: 0;
  position: relative;
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-card-img .img-placeholder {
  min-height: 180px;
  border-radius: 0;
  border: none;
}



.news-card-body {
  padding: 24px;
}

.news-card-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 12px;
}

.news-card-date {
  color: var(--text-muted);
}

.news-card-cat {
  color: var(--brand);
  font-weight: 500;
}

.news-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}



.news-card-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--brand);
  transition: color var(--transition);
}

.news-card-link:hover {
  color: var(--brand-dark);
}

.news-card--more {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--light-border);
  background: transparent;
  text-decoration: none;
  min-height: 280px;
  transition: all var(--transition);
}

.news-card--more:hover {
  border-color: var(--brand);
  background: rgba(17, 76, 224, 0.04);
  transform: translateY(-4px);
}

.news-more-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.news-card--more:hover .news-more-inner {
  color: var(--brand);
}

.news-more-text {
  font-size: 18px;
  font-weight: 600;
}

.news-more-sub {
  font-size: 13px;
  opacity: 0.6;
}

/* News dark section overrides */
.section--dark .news-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.section--dark .news-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--brand);
}

.section--dark .news-card-title {
  color: var(--text-primary);
}

.section--dark .news-card-excerpt {
  color: var(--text-secondary);
}


/* About light section overrides (section--light) */
.section--light .about-vision-item {
  background: var(--light-card);
  border-color: var(--light-border);
}

.section--light .about-vision-item h4 {
  color: var(--brand);
}

.section--light .about-section-title {
  color: var(--brand);
}

.section--light .about-city-card {
  background: var(--light-card);
  border-color: var(--light-border);
}

.section--light .about-city-card h5 {
  color: var(--brand);
}

.section--light .about-city-card p {
  color: var(--text-muted);
}

.section--light .about-open-card {
  background: var(--light-card);
  border-color: var(--light-border);
}

.section--light .about-open-card p {
  color: var(--text-muted);
}

.section--light .about-partners-more {
  color: var(--text-muted);
}
/* ============================================================
   About Section (Dark)
   ============================================================ */
.about-vision {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

.about-vision-item {
  text-align: center;
  padding: 32px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
}

.about-vision-item h4 {
  font-size: 14px;
  color: var(--brand-light);
  letter-spacing: 4px;
  margin-bottom: 12px;
  font-weight: 400;
}

.about-vision-item p {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.about-section-title {
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 32px;
  color: var(--brand-light);
}

/* Cities */
.about-cities {
  margin-bottom: 60px;
}

.about-map {
  margin-bottom: 32px;
}

.about-city-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.about-city-card {
  text-align: center;
  padding: 24px 16px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
}

.about-city-card h5 {
  font-size: 16px;
  color: var(--brand-light);
  margin-bottom: 8px;
}

.about-city-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Partners */
.about-partners {
  margin-bottom: 60px;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 16px;
}

.partner-card {
  text-align: center;
  padding: 24px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
}

.partner-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.5;
}

.about-partners-more {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

/* Open ecosystem */
.about-open-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-open-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.about-open-card:hover {
  border-color: var(--brand);
  transform: translateY(-4px);
}

.about-open-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.about-open-card h5 {
  font-size: 16px;
  margin-bottom: 8px;
}

.about-open-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   Partners Section (Light)
   ============================================================ */
.partner-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 32px;
}

.partner-showcase-card {
  text-align: center;
  padding: 32px 20px 24px;
  background: var(--light-card);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.partner-showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

.partner-showcase-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.partner-showcase-logo img {
  max-width: 240px;
  max-height: 100px;
  object-fit: contain;
}

.partner-showcase-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.img-placeholder--partner-lg {
  width: 240px;
  height: 100px;
  min-height: 100px;
  background: #fff !important;
  border-color: var(--light-border) !important;
}

.img-placeholder--partner-lg::before {
  content: 'LOGO';
  font-size: 14px;
  color: #ccc;
}

.partner-showcase-card h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.partner-showcase-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.partners-more {
  text-align: center;
  margin-bottom: 48px;
}

.partners-more-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.partners-more-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.partners-more-tags img {
  max-height: 48px;
  object-fit: contain;
}

.partners-open {
  padding-top: 48px;
  border-top: none;
  position: relative;
}

.partners-open::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,1) 50%, rgba(0,0,0,0.1) 100%);
}

.partners-open-title {
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.partners-open-slogan {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 32px;
  letter-spacing: 2px;
}

.partners-open-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.partners-open-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--light-card);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.partners-open-card:hover {
  border-color: var(--brand);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.partners-open-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--brand);
}

.partners-open-card h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.partners-open-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}


/* Partners dark section overrides (section--dark) */
.section--dark .partner-showcase-card {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.section--dark .partner-showcase-card h5 {
  color: var(--brand-light);
}

.section--dark .partner-showcase-card p {
  color: var(--text-secondary);
}

.section--dark .img-placeholder--partner-lg {
  background: rgba(255,255,255,0.05) !important;
  border-color: var(--dark-border) !important;
}

.section--dark .img-placeholder--partner-lg::before {
  color: #555;
}

.section--dark .partners-more-label {
  color: var(--text-secondary);
}

.section--dark .partners-open {
}

.section--dark .partners-open::before {
  background: linear-gradient(90deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,1) 50%, rgba(255,255,255,0.1) 100%);
}

.section--dark .partners-open-title {
  color: #fff;
}

.section--dark .partners-open-card {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.section--dark .partners-open-card h5 {
  color: var(--brand-light);
}

.section--dark .partners-open-card p {
  color: var(--text-secondary);
}
/* ============================================================
   Floating Sidebar
   ============================================================ */
.floating-sidebar {
  position: fixed;
  right: 20px;
  bottom: 160px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

/* CTA 咨询卡片 */
.fs-cta {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 100px;
  padding: 14px 0;
  border-radius: var(--radius-md);
  background: rgba(17, 76, 224, 0.85);
  box-shadow: 0 4px 16px rgba(17, 76, 224, 0.3);
  cursor: pointer;
  transition: all var(--transition);
  color: #fff;
  font-size: 12px;
  gap: 8px;
}

.fs-cta:hover {
  background: var(--brand);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(17, 76, 224, 0.45);
}

.fs-cta::after {
  content: '';
  position: absolute;
  right: 48px;
  top: 0;
  width: 28px;
  height: 100%;
  z-index: 5;
}
.fs-btn:hover .fs-popup,
.fs-btn:focus-within .fs-popup,
.fs-cta:hover .fs-popup,
.fs-popup:hover,
.fs-popup.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.fs-cta span {
  display: block;
  line-height: 1.3;
  letter-spacing: 1px;
  text-align: center;
  font-weight: 500;
}

/* 工具�?*/
.fs-toolbar {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  background: var(--light-card);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.fs-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 1px solid var(--light-border);
}

.fs-btn:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.fs-btn:last-child {
  border-bottom: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.fs-btn:hover {
  background: var(--brand);
}

.fs-btn:hover .fs-icon-slot1 .icon,
.fs-btn:hover .fs-icon-slot .icon {
  color: #fff;
}

/* 图标容器 */
.fs-icon-slot1 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-icon-slot1 .icon {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.fs-icon-slot2 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-icon-slot2 .icon {
  width: 28px;
  height: 28px;
  color: #fff;
}

/* 兼容旧类�?*/
.fs-icon-slot {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-icon-slot .icon {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

/* Dashboard placeholder-box */
.placeholder-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-border);
  color: var(--text-muted);
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.placeholder-box.fs-qr {
  width: 120px;
  height: 120px;
  margin: 0 auto 8px;
}

/* QR row for social popup */
.fs-qr-row {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.fs-qr-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}



.fs-qr-col span {
  font-size: 12px;
  color: var(--text-muted);
}

/* Popup 悬浮�?*/

/* Bridge the gap between button and popup for hover */
.fs-btn::after {
  content: '';
  position: absolute;
  right: 48px;
  top: 0;
  width: 28px;
  height: 100%;
  z-index: 5;
}

.fs-popup {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--light-card);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  white-space: nowrap;
  min-width: 160px;
  z-index: 10;
  pointer-events: none;
}

#fsSocialPopup {
  min-width: 280px;
}

.fs-popup-body {
  text-align: center;
}

.fs-phone {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dark);
  letter-spacing: 0.5px;
}

.fs-desc {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.fs-partners-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
}

.fs-qr-img {
  width: 120px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

.fs-download-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border-radius: 8px;
  background: var(--light-card, #f5f6fa);
  border: 1px solid var(--light-border, #e5e7eb);
}

/* Download icon hover - brand color */
.fs-qr-col:hover .fs-download-icon .icon {
  fill: var(--brand);
  transform: scale(1.1);
  transition: fill 0.25s ease, transform 0.25s ease;
}
.fs-download-icon .icon {
  fill: #354052;
  transition: fill 0.25s ease, transform 0.25s ease;
}

.fs-download-icon .icon {
  width: 48px;
  height: 48px;
  color: var(--brand, #114CE0);
}

.fs-popup-footer {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--light-border, #e5e7eb);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted, #666);
  letter-spacing: 0.5px;
}

#fsDownloadPopup {
  min-width: 280px;
}

/* Mobile: hide sidebar */
@media (max-width: 768px) {
  .floating-sidebar { display: none; }

  .footer { padding: 40px 20px 24px; }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .footer-brand { align-items: center; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-phone { font-size: 18px; }
}

/* ============================================================
   CTA Section (Contact)
   ============================================================ */
.section--cta {
  background: var(--dark-bg);
  position: relative;
  /* Override default .section flex centering �?we need footer at bottom */
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}

.section--cta .section-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 40px 20px;
}

.cta-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.5;
}

.cta-line-deep  { color: var(--brand-light); }
.cta-line-mid   { color: rgba(73,125,255,0.65); }
.cta-line-light { color: rgba(73,125,255,0.35); }

.cta-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* CTA-specific button overrides (dark bg context) */
.section--cta .btn--outline {
  color: var(--brand-light);
  border-color: var(--brand-light);
}

.section--cta .btn--outline:hover {
  background: rgba(17, 76, 224, 0.08);
  border-color: var(--brand);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--dark-bg);
  border-top: 1px solid var(--dark-border);
  padding: 80px 0 16px;
  margin: 0;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  width: 100%;
  box-sizing: border-box;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  max-width: 280px;
}

.footer-logo {
  width: 180px;
  height: auto;
  margin-bottom: 12px;
  color: #FFFFFF;
}

.footer-slogan {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

.footer-contact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 12px;
  white-space: nowrap;
}

.footer-contact-label {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.footer-phone {
  font-size: 22px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 2px;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-phone:hover {
  color: var(--brand-light);
}

/* Footer APP Download */
.footer-app-download {
  margin-top: 16px;
}
.footer-app-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.footer-app-icons {
  display: flex;
  gap: 10px;
}
.footer-app-item {
	min-width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0px;
  text-decoration: none;
  padding: 5px 5px;
  border-radius: var(--radius-sm, 6px);
  border: 1px solid var(--dark-border);
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--transition);
}
.footer-app-item:hover {
  border-color: var(--brand);
  background: rgba(17, 76, 224, 0.08);
}
.footer-app-icon .icon {
  width: 24px;
  height: 24px;
  fill: var(--text-secondary);
  transition: fill var(--transition);
}
.footer-app-item:hover .footer-app-icon .icon {
  fill: var(--brand);
}
.footer-app-text {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  transition: color var(--transition);
}
.footer-app-item:hover .footer-app-text {
  color: var(--brand-light);
}

.footer-links {
  display: flex;
  gap: 48px;
}

.footer-col h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-light);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--brand-light);
}

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding: 12px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  padding-left: 40px;
  padding-right: 40px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--brand-light);
}

.footer-icp {
  font-size: 12px;
  color: var(--text-secondary);
  font-style: italic;
}

/* ============================================================
   Reveal Animations
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive �?Tablet
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --section-padding: 60px 32px;
  }

  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-menu-btn { display: flex; }

  .section-inner { padding: calc(var(--nav-height) + 32px) 32px 32px; }

  .hero-title { font-size: 44px; letter-spacing: 4px; }

  .eco-cards { grid-template-columns: 1fr; gap: 24px; }
  .eco-loop  { flex-wrap: wrap; }

  .tech-grid { grid-template-columns: 1fr; }
  .tech-hardware { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .tech-evolution { flex-direction: column; }
  .tech-evo-arrow { transform: rotate(90deg); }
  .tech-interventions { grid-template-columns: repeat(2, 1fr); }
  .tech-dual { grid-template-columns: 1fr; }

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


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

  .product-tabs-nav { flex-wrap: wrap; gap: 4px; padding: 4px; }
  .product-tab-btn { min-width: 120px; padding: 10px 16px; }
  .product-tab-name { font-size: 12px; letter-spacing: 1px; }
  .product-tab-sub { font-size: 10px; }

  .news-grid { grid-template-columns: 1fr; }
  .news-card--featured { grid-template-columns: 1fr; }

  .about-vision { grid-template-columns: 1fr; }
  .about-city-cards { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .about-open-cards { grid-template-columns: 1fr; }

  .partner-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-open-cards { grid-template-columns: 1fr; }

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

  .footer-top { flex-direction: column; gap: 32px; }
  .footer-brand { max-width: 100%; }
  .footer-contact { white-space: normal; flex-wrap: wrap; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
  .footer-inner { padding: 0 24px; }

  .scroll-dots { display: none; }
}

/* ===== Scenario More Industries ===== */
.scenario-more {
  margin-top: 60px;
  padding: 48px 40px;
  background: var(--light-surface);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.scenario-more::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, var(--brand), #3B7BF7);
}

.scenario-more-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 28px;
}

.scenario-more-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 28px;
}
.scenario-more-tags .industry-tag {
	color: var(--brand);
}

.partners-more-tags .industry-tag {
	color: #fff;
}
.industry-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  background: rgba(17, 76, 224, 0.06);
  border: 1px solid rgba(17, 76, 224, 0.15);
  border-radius: 24px;
  cursor: default;
  transition: all var(--transition);
}

.industry-tag:hover {
  background: linear-gradient(135deg, var(--brand), #3B7BF7);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(17, 76, 224, 0.25);
}

.scenario-more-slogan {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.scenario-more-slogan::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--brand);
  vertical-align: middle;
  margin-right: 12px;
}

.scenario-more-slogan::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--brand);
  vertical-align: middle;
  margin-left: 12px;
}


/* ============================================================
   Responsive �?Mobile
   ============================================================ */
@media (max-width: 640px) {
  :root {
    --section-padding: 40px 20px;
  }

  .section-inner { padding: calc(var(--nav-height) + 20px) 20px 20px; }
  .nav-inner { padding: 0 20px; }

  .section-title { font-size: 28px; }
  .section-subtitle { font-size: 15px; }
  .section-header { margin-bottom: 36px; }

  .hero-title { font-size: 32px; letter-spacing: 2px; }
  .hero-title-en { font-size: 14px; letter-spacing: 6px; }
  .hero-slogan { font-size: 18px; }
  .hero-cta { flex-direction: column; gap: 12px; }
  .hero-cta .btn { width: 100%; }

  .tech-hardware { grid-template-columns: 1fr; }
  .tech-people-grid { grid-template-columns: 1fr; }
  .tech-interventions { grid-template-columns: 1fr; }

  .product-cards,
  .product-cards--food { grid-template-columns: 1fr; }

  .product-tabs-nav { gap: 2px; padding: 3px; }
  .product-tab-btn { min-width: 0; padding: 8px 12px; flex: 1; }
  .product-tab-name { font-size: 11px; }
  .product-panel-name { font-size: 22px; }

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

  .about-city-cards { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }

  .partner-showcase-grid { grid-template-columns: 1fr; }
  .partners-open-cards { grid-template-columns: 1fr; }

  .footer { padding: 28px 16px; }
  .footer-inner { padding: 0; }
  .footer-top { flex-direction: column; gap: 28px; }
  .footer-brand { max-width: 100%; text-align: center; align-items: center; }
  .footer-logo { width: 140px; }
  .footer-contact { justify-content: center; white-space: normal; flex-wrap: wrap; }
  .footer-links { display: none; }
  .footer-col { text-align: center; }
  .footer-col ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; }
  .footer-col li { margin-bottom: 0; }
  .footer-bottom { flex-direction: column; text-align: center; padding-left: 0; padding-right: 0; }
  .footer-phone { font-size: 18px; }

  .footer-app-icons { justify-content: center; }
  .footer-app-item { padding: 6px 10px; }
}


















/* ===== Scenarios Section Dynamic Backgrounds ===== */



/* ===== Scenario Section Background ===== */
#scenarios {
  position: relative;
  overflow: hidden;
}
#scenarios .section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#scenarios .section-inner {
  position: relative;
  z-index: 1;
}


/* ===== Products Section Background ===== */
#products {
  position: relative;
  overflow: hidden;
}
#products .section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#products .section-inner {
  position: relative;
  z-index: 1;
}

/* ===== About Section Background ===== */
#about {
  position: relative;
}
#about .section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#about .section-inner {
  position: relative;
  z-index: 1;
}

/* ===== Partners Section Background ===== */
#partners {
  position: relative;
}
#partners .section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#partners .section-inner {
  position: relative;
  z-index: 1;
}

/* ===== News Section Background ===== */
#news {
  position: relative;
}
#news .section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#news .section-inner {
  position: relative;
  z-index: 1;
}

/* ===== Contact Section Background ===== */
#contact {
  position: relative;
}
#contact .section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#contact .section-inner {
  position: relative;
  z-index: 1;
}

/* ===== Ecosystem Section Background ===== */
#ecosystem {
  background: url('../img/bg2.png') center center / cover no-repeat;
}

/* ===== Core Technology Section Background ===== */
#core-tech {
  position: relative;
  background: url('../img/bg3.png') center center / cover no-repeat;
}

.tech-evo-phase p{
	text-align: center;
	font-size: 25px;
	font-weight: bold;
}



/* ========== H³ Sections ========== */

/* ---- H³ 详情面板（section内切换） ---- */
.h3-detail-panel {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  overflow-y: hidden;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.h3-detail-panel.active {
  opacity: 1;
  visibility: visible;
}

/* ---- 面板内字号缩小1级 + 间距压缩 ---- */

.h3-detail-panel .section-title {

  font-size: 1.5rem;

}

.h3-detail-panel h3 {

  font-size: 1rem;

}

.h3-detail-panel .accent-text {

  font-size: 1rem;

}

.h3-detail-panel .h3-strat-tagline {

  font-size: 0.75rem;

}

.h3-detail-panel p,

.h3-detail-panel .h3-dim-text,

.h3-detail-panel .h3-dim-label {

  font-size: 0.8rem;

  line-height: 1.45;

}

.h3-detail-panel .h3-dec-info h4 {

  font-size: 0.85rem;

}

<arg_value>
/* ---- 个人H³面板字号压缩 ---- */

.h3-detail-panel .h3-personal-subtitle {

  font-size: 0.85rem;

<arg_value>
}

<arg_value>
.h3-detail-panel .h3-pers-sub {

<arg_value>
  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-pers-col h4 {

<arg_value>
<arg_value>  font-size: 0.85rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-pers-col li {

<arg_value>
<arg_value>  font-size: 0.75rem;

<arg_value>
<arg_value>  line-height: 1.4;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-pers-footer {

<arg_value>
<arg_value>  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-pers-intro {

<arg_value>
<arg_value>  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>/* ---- 场景H³面板字号压缩 ---- */

<arg_value>
.h3-detail-panel .h3-scene-tagline {

<arg_value>
<arg_value>  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-scene-intro {

<arg_value>
<arg_value>  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-ind-item {

<arg_value>
<arg_value>  font-size: 0.75rem;

<arg_value>
<arg_value>  line-height: 1.4;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-scene-tag {

<arg_value>
  font-size: 0.7rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-hub-layer {

<arg_value>
<arg_value>  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>
<arg_value>.h3-detail-panel .h3-highway-path {

<arg_value>
<arg_value>  font-size: 0.8rem;

<arg_value>
<arg_value>}

<arg_value>

<arg_value>

.h3-detail-body {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 40px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  min-height: 100%;
}

@media (max-width: 768px) {
  .h3-detail-body { padding: calc(var(--nav-height) + 32px) 32px 32px; }
}

@media (max-width: 480px) {
  .h3-detail-body { padding: calc(var(--nav-height) + 20px) 20px 20px; }
}

.h3-detail-close {
  position: fixed;
  top: calc(var(--nav-height) + 12px);
  right: 24px;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(17, 76, 224, 0.3);
  border-radius: 50%;
  background: rgba(17, 76, 224, 0.08);
  color: var(--brand);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s, opacity 0.3s;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
}

/* 当对应面板active时显示关闭按�?*/
.h3-detail-close.visible {
  opacity: 1;
  visibility: visible;
}

.h3-detail-close:hover {
  background: rgba(17, 76, 224, 0.2);
  border-color: rgba(17, 76, 224, 0.6);
}

/* h3-overview section-inner 需要支持面板absolute定位 */
#h3-overview .section-inner {
  position: relative;
  min-height: 100vh;
}
.h3-overview-content {
  transition: opacity 0.5s ease;
}

.h3-overview-content.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ---- H³ 总览 ---- */
.h3-overview-content {
  text-align: center;
  padding-top: 240px;
}

.h3-symbol {
  display: inline-block;
  font-size: 0.85em;
  vertical-align: super;
  color: var(--brand);
  margin-left: 2px;
  font-weight: 700;
}

.h3-overview-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--light-text-secondary);
  max-width: 800px;
  margin: 20px auto 50px;
}

.h3-cube-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.h3-cube-card {
  background: var(--light-card);
  border: 1px solid var(--light-border);
  border-radius: 16px;
  padding: 36px 28px 28px;
  text-align: center;
  transition: transform 0.5s ease, box-shadow 0.5s ease, background 0.5s ease, border-color 0.5s ease;
}

.h3-cube-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(17, 76, 224, 0.12);
  background: var(--brand);
  border-color: var(--brand);
}

.h3-cube-card:hover .h3-cube-name,
.h3-cube-card:hover .h3-cube-desc,
.h3-cube-card:hover .h3-cube-sub {
  color: #FFFFFF;
}

.h3-cube-card:hover .h3-cube-icon {
  color: #FFFFFF;
}

.h3-cube-card:hover .h3-cube-link {
  color: #FFFFFF;
}

.h3-cube-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--brand);
}

.h3-icon-svg {
  width: 100%;
  height: 100%;
}

.h3-cube-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.h3-cube-sub {
  font-size: 0.85rem;
  color: var(--accent-text-color, #FF8A00);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.h3-cube-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--light-text-secondary);
  margin-bottom: 20px;
}

.h3-cube-link {
  display: inline-block;
  color: var(--brand);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

/* ---- 战略 H³ ---- */
.h3-strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 12px;
}

.h3-strat-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(17, 76, 224, 0.15);
  border-radius: 16px;
  padding: 18px;
}

.h3-strat-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.h3-strat-tagline {
  font-size: 0.85rem;
  color: rgba(17, 76, 224, 0.7);
  margin-left: 8px;
  font-weight: 400;
}


/* HyperData dimensions */
.h3-strat-dims {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.h3-dim-item {
  padding: 10px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  border: 1px solid rgba(17, 76, 224, 0.12);
}

.h3-dim-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-nav);
  margin-bottom: 8px;
}

.h3-dim-text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(5, 8, 16, 0.65);
}

/* HyperDecision flow */
.h3-decision-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.h3-dec-stage {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid rgba(17, 76, 224, 0.12);
}

.h3-dec-num {
  display: inline-block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--brand-nav);
  margin-bottom: 10px;
}

.h3-dec-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.h3-dec-info p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(5, 8, 16, 0.65);
}

/* AI highlight */
.h3-ai-highlight {
  background: rgba(17, 76, 224, 0.1);
  border: 1px solid rgba(17, 76, 224, 0.2);
  border-radius: 12px;
  padding: 24px;
}

.h3-ai-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--brand-nav);
}

.h3-ai-vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.h3-ai-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.h3-ai--old .h3-ai-col-title {
  color: rgba(5, 8, 16, 0.5);
}

.h3-ai--new .h3-ai-col-title {
  color: var(--brand-nav);
}

.h3-ai-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.h3-ai-list li {
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 6px 0;
  color: rgba(5, 8, 16, 0.65);
  position: relative;
  padding-left: 16px;
}

.h3-ai-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.h3-ai--old .h3-ai-list li::before {
  background: rgba(5, 8, 16, 0.3);
}

.h3-ai--new .h3-ai-list li::before {
  background: var(--brand-nav);
}

/* HyperValue triple */
.h3-value-triple {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.h3-val-card {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid rgba(17, 76, 224, 0.12);
}

.h3-val-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--brand-nav);
}

.h3-val-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.h3-val-card ul li {
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 5px 0;
  color: rgba(5, 8, 16, 0.7);
  padding-left: 16px;
  position: relative;
}

.h3-val-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-nav);
}

/* ---- 个人 H³ ---- */
.h3-personal-subtitle {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--light-text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.h3-personal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.h3-pers-card {
  background: var(--light-card);
  border: 1px solid var(--light-border);
  border-radius: 16px;
  padding: 16px;
}

.h3-pers-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.h3-pers-sub {
  font-size: 0.95rem;
  color: var(--accent-text-color, #FF8A00);
}

.h3-pers-body {
  padding-top: 20px;
}

.h3-pers-intro {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--light-text-secondary);
  margin-bottom: 20px;
}

.h3-pers-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.h3-pers-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 12px;
}

.h3-pers-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.h3-pers-col ul li {
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 5px 0;
  color: var(--light-text-secondary);
  padding-left: 16px;
  position: relative;
}

.h3-pers-col ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.h3-pers-col-tag {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand);
  margin-top: 12px;
}

.h3-pers-footer {
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  color: var(--brand);
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--light-border);
}

.h3-nutri-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.h3-nutri-item {
  padding: 12px;
  background: var(--light-surface);
  border-radius: 8px;
}

.h3-nutri-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 4px;
}

.h3-nutri-item p {
  font-size: 0.85rem;
  color: var(--light-text-secondary);
  line-height: 1.4;
}

.h3-pers-subnote {
  font-size: 0.75rem;
  color: var(--light-text-secondary);
  text-align: center;
  margin-top: 12px;
}

/* ---- 场景 H³ ---- */
.h3-scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 12px;
}

.h3-scene-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(17, 76, 224, 0.15);
  border-radius: 16px;
  padding: 16px;
}

.h3-scene-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.h3-scene-tagline {
  font-size: 0.95rem;
  color: rgba(17, 76, 224, 0.7);
}

.h3-scene-intro {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(5, 8, 16, 0.8);
  margin-bottom: 24px;
}

/* Horizon industry grid */
.h3-industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.h3-ind-item {
  font-size: 0.85rem;
  color: rgba(5, 8, 16, 0.65);
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 8px;
  line-height: 1.5;
}

.h3-ind-num {
  display: inline-block;
  font-weight: 700;
  color: var(--brand-nav);
  margin-right: 4px;
  font-size: 0.9rem;
}

/* Hub columns */
.h3-hub-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.h3-hub-col {
  padding: 20px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  border: 1px solid rgba(17, 76, 224, 0.12);
}

.h3-hub-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand-nav);
  margin-bottom: 8px;
}

.h3-hub-col p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(5, 8, 16, 0.65);
}

/* Highway scenes */
.h3-highway-scenes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.h3-hw-scene {
  padding: 20px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  border: 1px solid rgba(17, 76, 224, 0.12);
}

.h3-hw-scene h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-nav);
  margin-bottom: 6px;
}

.h3-hw-scene p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(5, 8, 16, 0.65);
}

.h3-hw-sub {
  font-size: 0.75rem;
  color: rgba(5, 8, 16, 0.4);
  margin-top: 6px;
}

/* ---- Nav Dropdown ---- */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-link--dropdown-toggle {
  cursor: pointer;
}

.nav-arrow {
  font-size: 0.75em;
  margin-left: 3px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.nav-dropdown:hover .nav-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: 8px;
  padding: 8px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.nav-dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: #333;
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-dropdown-item:hover {
  color: var(--brand);
  background: rgba(17, 76, 224, 0.08);
}

/* Scrolled nav dropdown */
.nav.nav--scrolled .nav-dropdown-menu {
  background: rgba(255, 255, 255, 0.98);
}

/* ---- Mobile Dropdown ---- */
.mobile-dropdown {
  display: block;
}

.mobile-dropdown-toggle {
  cursor: pointer;
  display: block;
}

.mobile-dropdown-menu {
  display: none;
  padding-left: 24px;
}

.mobile-dropdown.open .mobile-dropdown-menu {
  display: block;
}

.mobile-dropdown-item {
  display: block;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: #666;
}

/* ---- Section Overlay ---- */
.section-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.section-overlay--light {
  background: rgba(255, 255, 255, 0.55);
}

.section-overlay--dark {
  background: rgba(5, 8, 16, 0.55);
}

.section-inner {
  position: relative;
  z-index: 1;
}

/* ---- Accent Text ---- */
.accent-text {
  color: #FF8A00;
  font-weight: 700;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .h3-cube-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .h3-decision-flow {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  
  .h3-ai-vs {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .h3-value-triple {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  
  .h3-pers-cols {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .h3-nutri-items {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  
  .h3-industry-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .h3-hub-cols {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  
  .h3-highway-scenes {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  
  .h3-strat-dims {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .h3-strat-dims {
    grid-template-columns: 1fr;
  }
  
  .h3-nutri-items {
    grid-template-columns: 1fr;
  }
}