/* ===== HOME PAGE STYLES - Klein Blue Tech Edition ===== */

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* 深空背景层 */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,47,167,0.6) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(0,47,167,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 10% 80%, rgba(212,168,67,0.08) 0%, transparent 60%);
}

/* 动态网格线 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,47,167,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,47,167,0.12) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black 40%, transparent 100%);
  animation: gridFloat 20s ease-in-out infinite;
}
@keyframes gridFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* 光晕圆 */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,47,167,0.8) 0%, transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-50%);
}
.hero-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(212,168,67,0.3) 0%, transparent 70%);
  bottom: 10%; right: 5%;
  animation-delay: -3s;
  animation-duration: 10s;
}
.hero-orb-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(26,79,214,0.5) 0%, transparent 70%);
  top: 30%; left: 5%;
  animation-delay: -5s;
  animation-duration: 12s;
}
@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  33% { transform: translateY(-20px) scale(1.05); }
  66% { transform: translateY(10px) scale(0.97); }
}

/* Canvas 粒子背景 */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  animation: heroFadeIn 0.8s var(--ease-spring) both;
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(0,47,167,0.25);
  border: 1px solid rgba(0,47,167,0.5);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  color: #8BB8FF;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  backdrop-filter: blur(12px);
  animation: badgePulse 3s ease-in-out infinite;
}
.hero-badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold), 0 0 16px var(--gold);
  animation: dotGlow 2s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { border-color: rgba(0,47,167,0.5); }
  50% { border-color: rgba(0,47,167,0.8); }
}
@keyframes dotGlow {
  0%, 100% { box-shadow: 0 0 6px var(--gold), 0 0 12px var(--gold); }
  50% { box-shadow: 0 0 12px var(--gold), 0 0 24px var(--gold), 0 0 36px var(--gold); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(38px, 5.8vw, 80px);
  font-weight: 900;
  color: #fff;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 36px;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--gold-light) 50%, #FFFFFF 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.hero-title .blue-text {
  color: var(--gold-light);
}

.hero-desc {
  font-size: 18px;
  color: rgba(232,237,255,0.75);
  line-height: 1.9;
  max-width: 700px;
  margin-bottom: 44px;
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* 指标浮卡 */
.hero-stats {
  position: absolute;
  right: max(48px, calc((100vw - 1360px) / 2 + 48px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: statsFadeIn 1s 0.4s var(--ease-spring) both;
}
@keyframes statsFadeIn {
  from { opacity: 0; transform: translateY(-50%) translateX(30px); }
  to { opacity: 1; transform: translateY(-50%) translateX(0); }
}
.hero-stat-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  min-width: 160px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease-spring), border-color 0.3s;
}
.hero-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.hero-stat-card:hover {
  transform: translateX(-4px) scale(1.02);
  border-color: rgba(212,168,67,0.3);
}
.hero-stat-val {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-val span {
  font-size: 18px;
  color: var(--gold-light);
}
.hero-stat-label {
  font-size: 12px;
  color: rgba(232,237,255,0.5);
  letter-spacing: 0.05em;
}

/* 滚动指示 */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.3);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
  z-index: 10;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

/* ===== MARQUEE TICKER ===== */
.ticker {
  background: var(--primary);
  padding: 14px 0;
  overflow: hidden;
  position: relative;
}
.ticker::before, .ticker::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.ticker::before { left: 0; background: linear-gradient(to right, var(--primary), transparent); }
.ticker::after { right: 0; background: linear-gradient(to left, var(--primary), transparent); }
.ticker-track {
  display: flex;
  gap: 0;
  white-space: nowrap;
  animation: tickerScroll 30s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 32px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
}
.ticker-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== FEATURES / 核心能力 ===== */
.features {
  background: var(--bg-white);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.features::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,47,167,0.04) 0%, transparent 70%);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.4s var(--ease-spring);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  group: true;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,47,167,0) 0%, rgba(0,47,167,0.03) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-spring);
}
.feature-card:hover {
  border-color: rgba(0,47,167,0.2);
  box-shadow: 0 20px 60px rgba(0,47,167,0.1);
  transform: translateY(-8px);
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover::after { transform: scaleX(1); }

.feature-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: transform 0.4s var(--ease-spring);
  position: relative;
}
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-5deg); }
.feature-icon svg { width: 26px; height: 26px; }

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  transition: color 0.2s;
}
.feature-card:hover h3 { color: var(--primary); }
.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
}
.feature-arrow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 20px;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.3s var(--ease-spring);
}
.feature-arrow svg { width: 16px; height: 16px; }
.feature-card:hover .feature-arrow { opacity: 1; transform: translateX(0); }

/* ===== STATS 数字实力 ===== */
.stats {
  background: var(--bg-dark);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,47,167,0.3) 0%, transparent 60%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  position: relative;
  z-index: 1;
}
.stats-item {
  text-align: center;
  padding: 48px 32px;
  position: relative;
  transition: all 0.3s;
}
.stats-item::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: rgba(255,255,255,0.06);
}
.stats-item:last-child::after { display: none; }
.stats-item:hover { background: rgba(255,255,255,0.02); }
.stats-num {
  font-family: var(--font-heading);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.stats-num span {
  color: var(--gold-light);
  font-size: 0.55em;
  vertical-align: top;
  margin-top: 8px;
  display: inline-block;
}
.stats-label {
  font-size: 14px;
  color: rgba(232,237,255,0.45);
  letter-spacing: 0.04em;
}
.stats-sublabel {
  font-size: 12px;
  color: rgba(232,237,255,0.25);
  margin-top: 4px;
}

/* ===== PRODUCTS ===== */
.products {
  background: var(--bg);
  padding: 120px 0;
}
.products-tabs {
  display: flex;
  gap: 8px;
  margin-top: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.prod-tab {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--bg-white);
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}
.prod-tab:hover { border-color: var(--primary); color: var(--primary); }
.prod-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,47,167,0.3);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.4s var(--ease-spring);
  cursor: pointer;
  position: relative;
}
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,47,167,0.02) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 60px rgba(0,47,167,0.14);
  border-color: rgba(0,47,167,0.15);
}
.product-card:hover::before { opacity: 1; }
.product-card-visual {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-visual .vis-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: transform 0.4s var(--ease-spring);
}
.product-card:hover .vis-icon { transform: scale(1.1) rotate(-5deg); }
.product-card-visual .vis-icon svg { width: 36px; height: 36px; }
.vis-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ringPulse 3s ease-in-out infinite;
}
.vis-ring-1 { width: 100px; height: 100px; opacity: 0.3; animation-delay: 0s; }
.vis-ring-2 { width: 140px; height: 140px; opacity: 0.15; animation-delay: 0.5s; }
.vis-ring-3 { width: 180px; height: 180px; opacity: 0.08; animation-delay: 1s; }
@keyframes ringPulse {
  0%, 100% { transform: scale(1); opacity: var(--op, 0.15); }
  50% { transform: scale(1.08); opacity: calc(var(--op, 0.15) * 0.5); }
}
.product-card-body { padding: 28px; }
.product-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(0,47,167,0.07);
  color: var(--primary);
  margin-bottom: 12px;
}
.product-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.product-card:hover h3 { color: var(--primary); }
.product-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; margin-bottom: 20px; }
.product-feats { display: flex; flex-wrap: wrap; gap: 8px; }
.product-feat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-mid);
  background: var(--bg-gray);
  padding: 5px 12px;
  border-radius: 100px;
  transition: all 0.2s;
}
.product-feat svg { width: 12px; height: 12px; color: var(--primary); flex-shrink: 0; }
.product-card:hover .product-feat { background: rgba(0,47,167,0.06); }

/* ===== SOLUTIONS ===== */
.solutions {
  background: var(--bg-dark);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.solutions::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,47,167,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,47,167,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 0%, transparent 100%);
}
.sol-section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-light);
  background: rgba(212,168,67,0.1);
  border: 1px solid rgba(212,168,67,0.25);
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.sol-section-label::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}
.solutions .section-title { color: #fff; }
.solutions .section-title span { color: var(--gold-light); }
.solutions .section-desc { color: rgba(232,237,255,0.55); }
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}
.sol-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.4s var(--ease-spring);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.sol-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-spring);
}
.sol-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,47,167,0.12) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}
.sol-card:hover {
  background: rgba(0,47,167,0.12);
  border-color: rgba(0,47,167,0.3);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.sol-card:hover::before { transform: scaleX(1); }
.sol-card:hover::after { opacity: 1; }
.sol-icon {
  width: 52px; height: 52px;
  background: rgba(0,47,167,0.3);
  border: 1px solid rgba(0,47,167,0.4);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all 0.4s var(--ease-spring);
  position: relative;
  z-index: 1;
}
.sol-card:hover .sol-icon {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,47,167,0.5);
  transform: scale(1.1);
}
.sol-icon svg { width: 24px; height: 24px; color: #8BB8FF; }
.sol-card:hover .sol-icon svg { color: #fff; }
.sol-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  transition: color 0.2s;
}
.sol-card:hover h3 { color: #fff; }
.sol-card p {
  font-size: 14px;
  color: rgba(232,237,255,0.4);
  line-height: 1.75;
  position: relative;
  z-index: 1;
  transition: color 0.2s;
}
.sol-card:hover p { color: rgba(232,237,255,0.7); }
.sol-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}
.sol-tag {
  font-size: 12px;
  color: rgba(139,184,255,0.7);
  background: rgba(0,47,167,0.15);
  border: 1px solid rgba(0,47,167,0.25);
  padding: 4px 12px;
  border-radius: 100px;
  transition: all 0.2s;
}
.sol-card:hover .sol-tag {
  background: rgba(0,47,167,0.25);
  color: #8BB8FF;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--primary);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 100% at 0% 50%, rgba(0,0,0,0.3) 0%, transparent 60%),
    radial-gradient(ellipse 40% 80% at 100% 50%, rgba(212,168,67,0.15) 0%, transparent 60%);
}
/* 流光线条 */
.cta-banner::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: bannerLine 4s linear infinite;
}
@keyframes bannerLine {
  0% { left: -100%; }
  100% { left: 100%; }
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-text h2 span { color: var(--gold-light); }
.cta-text p { font-size: 17px; color: rgba(255,255,255,0.65); max-width: 500px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; flex-wrap: wrap; }

/* ===== SOFTWARE CUSTOM DEVELOPMENT ===== */
.custom-dev {
  background: var(--bg);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.custom-dev::before {
  content: '';
  position: absolute;
  top: 0; left: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,47,167,0.04) 0%, transparent 70%);
}
.section-head { max-width: 680px; margin-bottom: 64px; }
.section-head .section-desc { margin-top: 16px; }
.custom-dev-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.custom-dev-intro {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.85;
  margin-bottom: 40px;
  padding-left: 20px;
  border-left: 3px solid var(--primary);
}
.custom-process { display: flex; flex-direction: column; gap: 0; }
.process-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s var(--ease-spring);
  cursor: default;
}
.process-step:last-child { border-bottom: none; }
.process-step:hover { padding-left: 8px; }
.process-num {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  width: 36px;
  transition: opacity 0.3s, transform 0.3s var(--ease-spring);
}
.process-step:hover .process-num { opacity: 1; transform: scale(1.1); }
.process-body h5 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
  transition: color 0.2s;
}
.process-step:hover .process-body h5 { color: var(--primary); }
.process-body p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

.custom-dev-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.custom-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.35s var(--ease-spring);
  position: relative;
  overflow: hidden;
}
.custom-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-spring);
}
.custom-card:hover {
  border-color: rgba(0,47,167,0.18);
  box-shadow: 0 12px 36px rgba(0,47,167,0.09);
  transform: translateY(-4px);
}
.custom-card:hover::after { transform: scaleX(1); }
.custom-card-icon {
  width: 44px; height: 44px;
  background: rgba(0,47,167,0.07);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
  transition: all 0.3s var(--ease-spring);
}
.custom-card:hover .custom-card-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,47,167,0.3);
}
.custom-card-icon svg { width: 20px; height: 20px; }
.custom-card h5 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.custom-card:hover h5 { color: var(--primary); }
.custom-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }
.custom-card-full { grid-column: span 2; }

/* ===== CASES / 服务案例 ===== */
.home-cases {
  background: var(--bg-white);
  padding: 120px 0;
}
.cases-scroll {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.cases-scroll::-webkit-scrollbar { display: none; }
.case-scroll-card {
  min-width: 380px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  scroll-snap-align: start;
  transition: all 0.35s var(--ease-spring);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.case-scroll-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-spring);
}
.case-scroll-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,47,167,0.1);
  border-color: rgba(0,47,167,0.15);
}
.case-scroll-card:hover::before { transform: scaleX(1); }
.case-industry-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0,47,167,0.07);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.case-scroll-card h4 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.5;
}
.case-scroll-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 24px; }
.case-kpis {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.case-kpi {
  flex: 1;
  text-align: center;
  padding: 0 12px;
  position: relative;
}
.case-kpi + .case-kpi::before {
  content: '';
  position: absolute;
  left: 0; top: 10%; bottom: 10%;
  width: 1px;
  background: var(--border);
}
.case-kpi-val {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 900;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}
.case-kpi-lbl { font-size: 11px; color: var(--text-light); }

/* ===== PRODUCTS GRID (首页简版) ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
/* prod-card: 简版产品卡 */
.prod-card {
  display: block;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.38s var(--ease-spring);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.prod-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,47,167,0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.prod-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-spring);
}
.prod-card:hover {
  border-color: rgba(0,47,167,0.18);
  box-shadow: 0 20px 60px rgba(0,47,167,0.1);
  transform: translateY(-8px);
}
.prod-card:hover::before { opacity: 1; }
.prod-card:hover::after { transform: scaleX(1); }

/* prod-icon: 彩色图标框 */
.prod-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--c, var(--primary)) 12%, white);
  color: var(--c, var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.38s var(--ease-spring);
  position: relative;
  z-index: 1;
}
.prod-icon svg { width: 26px; height: 26px; }
.prod-card:hover .prod-icon {
  background: var(--c, var(--primary));
  color: #fff;
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--c, var(--primary)) 40%, transparent);
}

.prod-card h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
  transition: color 0.2s;
  position: relative;
  z-index: 1;
}
.prod-card:hover h3 { color: var(--primary); }
.prod-card p {
  font-size: 13.5px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

/* prod-tags */
.prod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.prod-tags span {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0,47,167,0.06);
  border: 1px solid rgba(0,47,167,0.12);
  padding: 3px 10px;
  border-radius: 100px;
  transition: all 0.2s;
}
.prod-card:hover .prod-tags span {
  background: rgba(0,47,167,0.1);
  border-color: rgba(0,47,167,0.2);
}

/* prod-arrow */
.prod-arrow {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 20px;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.3s var(--ease-spring);
  color: var(--primary);
}
.prod-arrow svg { width: 18px; height: 18px; }
.prod-card:hover .prod-arrow { opacity: 1; transform: translateX(0); }

/* hover-lift 通用类 */
.hover-lift { transition: transform 0.38s var(--ease-spring), box-shadow 0.38s var(--ease-spring); }

/* ===== WHY US ===== */
.why-us {
  background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-white) 100%);
  position: relative;
  overflow: hidden;
}
.why-us::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,47,167,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}
.why-left .section-title { font-size: clamp(28px, 3.5vw, 46px); }
.why-right { display: flex; flex-direction: column; gap: 0; }
.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s var(--ease-spring);
  cursor: default;
}
.why-item:first-child { padding-top: 0; }
.why-item:last-child { border-bottom: none; }
.why-item:hover { padding-left: 8px; }
.why-num {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.18;
  line-height: 1;
  flex-shrink: 0;
  width: 44px;
  transition: opacity 0.3s, transform 0.3s var(--ease-spring), color 0.3s;
}
.why-item:hover .why-num { opacity: 1; transform: scale(1.08); color: var(--gold-dark); }
.why-body h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
  transition: color 0.2s;
}
.why-item:hover .why-body h4 { color: var(--primary); }
.why-body p { font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ===== SOLUTIONS OVERVIEW (首页) ===== */
.solutions-ov {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.solutions-ov::before {
  content: '';
  position: absolute;
  bottom: -150px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,47,167,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
/* sol-card: 首页简版（浅色背景上） */
.sol-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.38s var(--ease-spring);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: block;
}
.sol-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.38s var(--ease-spring);
}
.sol-card:hover {
  border-color: rgba(0,47,167,0.2);
  box-shadow: 0 20px 56px rgba(0,47,167,0.1);
  transform: translateY(-6px);
}
.sol-card:hover::before { transform: scaleX(1); }
.sol-icon {
  width: 52px; height: 52px;
  background: rgba(0,47,167,0.07);
  border: 1px solid rgba(0,47,167,0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
  transition: all 0.38s var(--ease-spring);
}
.sol-icon svg { width: 24px; height: 24px; }
.sol-card:hover .sol-icon {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,47,167,0.35);
  transform: scale(1.08);
}
.sol-card h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.sol-card:hover h4 { color: var(--primary); }
.sol-card p {
  font-size: 13.5px;
  color: var(--text-light);
  line-height: 1.75;
}
.sol-more { text-align: center; margin-top: 48px; }

/* ===== CTA BANNER 补充样式 ===== */
.btn-outline-white {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

/* ===== RESPONSIVE HOME ===== */
@media (max-width: 1280px) {
  .hero-stats { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .custom-dev-grid { grid-template-columns: 1fr; gap: 48px; }
  .cta-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 768px) {
  .hero { min-height: 90vh; }
  .hero-title { font-size: clamp(32px, 8vw, 52px); }
  .products-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .custom-dev-cards { grid-template-columns: 1fr; }
  .custom-card-full { grid-column: span 1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}