/* ============================================
   首页样式
   ============================================ */

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  background: var(--gradient-dark);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 20% 30%,
      rgba(0, 212, 255, 0.25) 0%,
      transparent 40%
    ),
    radial-gradient(circle at 80% 70%, rgba(10, 76, 255, 0.4) 0%, transparent 45%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.3);
  }
}

.hero h1 {
  font-size: 56px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, #00d4ff 0%, #4d7dff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 50px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat .num {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #00d4ff, #4d7dff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.hero-stat .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* Hero 视觉块 */
.hero-visual {
  position: relative;
  height: 480px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-1 {
  width: 420px;
  height: 420px;
  top: 30px;
  right: 0;
  background: radial-gradient(
    circle,
    rgba(10, 76, 255, 0.6) 0%,
    rgba(10, 76, 255, 0) 70%
  );
  animation: float 8s ease-in-out infinite;
}

.orb-2 {
  width: 260px;
  height: 260px;
  bottom: 20px;
  left: 0;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, 0.5) 0%,
    rgba(0, 212, 255, 0) 70%
  );
  animation: float 10s ease-in-out infinite reverse;
}

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

.hero-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 18px 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: floatCard 6s ease-in-out infinite;
}

.hero-card .ic {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.hero-card .t {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 2px;
}

.hero-card .d {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.hero-card-1 {
  top: 60px;
  right: 60px;
  animation-delay: 0s;
}

.hero-card-2 {
  top: 200px;
  left: 30px;
  animation-delay: 2s;
}

.hero-card-3 {
  bottom: 60px;
  right: 100px;
  animation-delay: 4s;
}

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* ========== 业务板块 ========== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.biz-card {
  position: relative;
  padding: 40px 32px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  overflow: hidden;
}

.biz-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.biz-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(10, 76, 255, 0.1), rgba(0, 212, 255, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.biz-icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.8;
}

.biz-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-text);
}

.biz-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--color-text-soft);
  margin-bottom: 20px;
}

.biz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.biz-tags span {
  padding: 4px 12px;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.biz-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap 0.2s ease;
}

.biz-card:hover .biz-link {
  gap: 12px;
}

/* ========== 优势 ========== */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.adv-item {
  text-align: center;
  padding: 36px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.adv-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.adv-item .num {
  font-size: 44px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 12px;
}

.adv-item h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.adv-item p {
  font-size: 13.5px;
  color: var(--color-text-soft);
  line-height: 1.7;
}

/* ========== 解决方案场景 ========== */
.solution-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
  height: 520px;
}

.sol-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.sol-card:hover {
  transform: translateY(-4px);
}

.sol-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0.75) 100%);
  z-index: 1;
}

.sol-card > * {
  position: relative;
  z-index: 2;
}

.sol-1 {
  grid-column: 1;
  grid-row: 1 / 3;
  background: linear-gradient(135deg, #0a4cff 0%, #06112e 100%);
}

.sol-2 {
  background: linear-gradient(135deg, #4d7dff, #0a4cff);
}

.sol-3 {
  background: linear-gradient(135deg, #00d4ff, #0a4cff);
}

.sol-4 {
  background: linear-gradient(135deg, #6c4dff, #0a4cff);
}

.sol-5 {
  background: linear-gradient(135deg, #00d4ff, #4d7dff);
}

.sol-card h4 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sol-1 h4 {
  font-size: 30px;
}

.sol-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* ========== 客户/合作 ========== */
.partners {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.partner-item {
  height: 80px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-text-light);
  transition: all 0.3s ease;
  font-size: 14px;
  text-align: center;
  padding: 0 12px;
}

.partner-item:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: var(--gradient-dark);
  color: #fff;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.3), transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(10, 76, 255, 0.4), transparent 50%);
}

.cta-inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.cta-inner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
}

/* ========== 响应式 ========== */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual {
    height: 360px;
  }
  .business-grid {
    grid-template-columns: 1fr;
  }
  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    height: auto;
  }
  .sol-1 {
    grid-column: 1 / 3;
    grid-row: auto;
    height: 240px;
  }
  .sol-card {
    height: 200px;
  }
  .partners {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 110px 0 60px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero p.lead {
    font-size: 16px;
  }
  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }
  .hero-stat .num {
    font-size: 28px;
  }
  .cta-inner h2 {
    font-size: 28px;
  }
  .partners {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-card-1 {
    top: 20px;
    right: 10px;
  }
  .hero-card-2 {
    left: 10px;
  }
  .hero-card-3 {
    right: 10px;
    bottom: 30px;
  }
}