/* index2.css - BANNER + 政策卡片样式 */
.hero-banner-wrap {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  overflow: hidden;
  background: var(--dark) url('../images/banner.jpg') center / cover no-repeat;
}
.hero-poster {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.58) 0%, rgba(26,42,74,0.22) 60%, rgba(13,110,253,0.16) 100%), url('../images/banner.jpg') center / cover no-repeat;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.6) 0%, rgba(10,22,40,0.4) 50%, rgba(10,22,40,0.1) 100%);
  z-index: 2;
}
.hero-banner-content {
  position: relative;
  z-index: 3;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
}
.hero-banner-content .container { width: 100%; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(13,110,253,0.25);
  border: 1px solid rgba(13,110,253,0.35);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: var(--font-tiny);
  color: #8ab4f8;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-title {
  font-size: 32px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 700px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, #60a5fa, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 36px;
  width: 100%;
  max-width: 460px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.hero-stats .stat-number {
  font-size: 26px;
  font-weight: 900;
  color: #7dd3fc;
  margin-bottom: 4px;
  line-height: 1.1;
}
.hero-stats .stat-label {
  font-size: var(--font-tiny);
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}
.hero-feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--font-base);
  color: rgba(255,255,255,0.8);
}
.hero-feature-item .icon {
  width: 28px; height: 28px;
  background: rgba(13,110,253,0.2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #60a5fa;
  font-size: 12px;
  flex-shrink: 0;
}
.hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.hero-tags span {
  font-size: var(--font-tiny);
  background: rgba(255,255,255,0.1);
  padding: 4px 10px;
  border-radius: 99px;
  color: rgba(255,255,255,0.6);
}
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255,255,255,0.5);
  font-size: var(--font-tiny);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: float-down 2s ease-in-out infinite;
}
.hero-scroll .arrow {
  width: 20px; height: 20px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
}
@keyframes float-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* 政策卡片 (取自官网1) */
.policy-strip { background: var(--white); }
.policy-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.policy-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--primary);
  display: block;
  transition: box-shadow 0.3s, transform 0.3s;
}
.policy-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.policy-code {
  font-size: var(--font-tiny);
  color: var(--primary);
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}
.policy-card h4 {
  font-size: var(--font-title);
  color: var(--dark);
  margin-bottom: 6px;
  font-weight: 700;
}
.policy-card p {
  font-size: var(--font-base);
  color: var(--gray-500);
  line-height: 1.8;
}

@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 26px; }
  .hero-desc { font-size: var(--font-base); }
  .policy-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .hero-title { font-size: 22px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .hero-stats .stat-number { font-size: 22px; }
  .policy-card-grid { grid-template-columns: 1fr; }
  .hero-scroll { display: none; }
}