:root {
  --home-shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.08);
  --home-shadow-medium: 0 20px 60px rgba(0, 0, 0, 0.12);
  --home-radius: 16px;
  --home-radius-xl: 24px;
}

/* ===== Hero 增强 ===== */
.hero-v2 {
  min-height: 700px;
  background: linear-gradient(105deg, rgba(181,46,46,0.95) 0%, rgba(218,57,57,0.88) 50%, rgba(225,29,72,0.82) 100%);
}
.hero-bg {
  background-image: url('/images/construction/2021_11_25_11_28_IMG_7709.JPG');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  mix-blend-mode: overlay;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 30%),
    radial-gradient(circle at 85% 75%, rgba(0,0,0,0.2) 0%, transparent 35%);
}
.hero-tag {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.35);
  font-weight: 500;
  letter-spacing: 0.5px;
  animation: fadeInDown 0.8s ease;
}
.hero-v2 h1 {
  font-size: 58px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.15);
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero-desc {
  font-size: 19px;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-btns {
  animation: fadeInUp 0.8s ease 0.3s both;
}
.hero-btns .btn-lg {
  padding: 16px 36px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.hero-btns .btn-white {
  background: var(--white);
  color: var(--brand);
}
.hero-btns .btn-white:hover {
  background: #fff5f5;
  transform: translateY(-2px);
}
.hero-btns .btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}
.hero-badges {
  animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-badges .badge {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  font-weight: 500;
}
.hero-badges .badge i {
  background: rgba(255,255,255,0.3);
  font-size: 11px;
}
.hero-steps {
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(20px);
  animation: fadeInRight 0.8s ease 0.3s both;
}
.hero-steps-title {
  color: var(--brand);
  font-size: 22px;
}
.hero-steps .step-num {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  box-shadow: 0 4px 12px rgba(218,57,57,0.3);
}

/* ===== Stats 增强 ===== */
.stats-bar {
  position: relative;
  background: var(--white);
  padding: 56px 0;
  gap: 0;
  border-bottom: none;
}
.stats-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: 0 0 4px 4px;
}
.stat-item {
  flex: 1;
  min-width: 160px;
  padding: 24px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, var(--border), transparent);
}
.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--brand-light);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.stat-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 2;
}
.stat-num {
  font-size: 44px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Portal 入口增强 ===== */
.portal-section {
  padding-top: 80px;
  padding-bottom: 80px;
}
.portal-grid {
  gap: 24px;
}
.portal-card {
  position: relative;
  padding: 36px 28px;
  border-radius: var(--home-radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
}
.portal-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--portal-color, var(--brand));
  opacity: 0;
  transition: opacity 0.25s;
}
.portal-card:hover::before {
  opacity: 1;
}
.portal-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--home-shadow-soft);
}
.portal-icon {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  background: var(--portal-bg, var(--brand-light));
  color: var(--portal-color, var(--brand));
  font-size: 0;
  margin-bottom: 22px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.portal-card:hover .portal-icon {
  transform: scale(1.05);
  box-shadow: 0 12px 28px var(--portal-shadow, rgba(218,57,57,0.15));
}
.portal-icon svg {
  width: 36px;
  height: 36px;
  stroke-width: 1.8;
}
.portal-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.portal-card p {
  font-size: 14.5px;
  line-height: 1.75;
}
.portal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.portal-card:hover .portal-link {
  gap: 10px;
}

/* ===== 热门需求增强 ===== */
.hot-section {
  padding-top: 80px;
  padding-bottom: 80px;
}
.hot-demand-list {
  gap: 24px;
}
.hot-demand-card {
  position: relative;
  border-radius: var(--home-radius-xl);
  padding: 26px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.hot-demand-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--brand);
  opacity: 0;
  transition: opacity 0.25s;
}
.hot-demand-card:hover::before {
  opacity: 1;
}
.hot-demand-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--home-shadow-soft);
}
.hot-demand-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: #ecfdf5;
  color: #059669;
  margin-bottom: 12px;
}
.hot-demand-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}
.hot-demand-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.hot-demand-price {
  font-size: 20px;
}
.hot-demand-desc {
  line-height: 1.7;
  margin-bottom: 18px;
}
.hot-demand-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.hot-demand-card .btn {
  border-radius: 20px;
  padding: 8px 18px;
}

/* ===== 选择我们增强 ===== */
.section:has(.feature-grid) .feature-card {
  border: 1px solid var(--border);
  border-radius: var(--home-radius-xl);
  padding: 32px;
}
.section:has(.feature-grid) .feature-icon {
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand-light) 0%, #fff5f5 100%);
}

/* ===== 服务覆盖园区增强 ===== */
.partners-section {
  padding: 48px 0;
  background: var(--white);
  overflow: hidden;
}
.partners-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.partners-track {
  display: flex;
  gap: 16px;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.partners-track:hover {
  animation-play-state: paused;
}
.partners-row {
  display: flex;
  gap: 16px;
  flex-wrap: nowrap;
}
.partners-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-heading);
  white-space: nowrap;
  transition: all 0.2s;
}
.partners-row span:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-light);
}
.partners-row span svg {
  width: 16px;
  height: 16px;
  color: var(--brand);
}

/* ===== CTA 增强 ===== */
.cta {
  position: relative;
  padding: 90px 0;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 1;
}
.cta .container {
  position: relative;
  z-index: 1;
}
.cta h2 {
  font-size: 38px;
}
.cta .btn-white {
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero-v2 { min-height: 600px; }
  .hero-v2 h1 { font-size: 44px; }
  .stat-item:not(:last-child)::after { display: none; }
  .stats-bar { gap: 24px; }
}
@media (max-width: 768px) {
  .hero-v2 { min-height: auto; }
  .hero-v2 h1 { font-size: 34px; }
  .hero-desc { font-size: 16px; }
  .stats-bar { padding: 40px 0; gap: 16px; }
  .stat-item { min-width: 140px; padding: 16px; }
  .stat-num { font-size: 32px; }
  .partners-track { animation-duration: 20s; }
}