.page-home {
  --hero-bg-green: #00A878;
  --hero-bg-blue: #0066CC;
  --hero-bg-dark: #0D1B2A;
  --card-shadow: 0 4px 20px rgba(0,0,0,0.08);
  --timeline-line: #B0B0B0;
  --tag-bg: #F4F9F9;
  --tag-border: #00A878;
  --download-overlay: #0D1B2A;
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
}

/* ===== 首屏 ===== */
.page-home .hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--hero-bg-green) 0%, var(--hero-bg-blue) 100%);
  padding: 80px 0 60px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}
.page-home .hero-inner {
  position: relative;
  z-index: 2;
}
.page-home .hero-text {
  margin-bottom: 48px;
}
.page-home .hero-text h1 {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 2.8rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0 0 16px;
  max-width: 900px;
}
.page-home .hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  line-height: 1.5;
  margin: 0;
}
.page-home .hero-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-home .hero-card {
  display: block;
  background: rgba(255,255,255,0.95);
  border-radius: 0 20px 0 20px;
  padding: 24px 28px;
  text-decoration: none;
  color: var(--text-dark);
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  border-left: 4px solid var(--hero-bg-green);
}
.page-home .hero-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.page-home .card-num {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-size: 0.75rem;
  color: var(--hero-bg-green);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 4px;
}
.page-home .hero-card h2 {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0 0 6px;
  color: var(--text-dark);
}
.page-home .hero-card p {
  font-size: 0.95rem;
  line-height: 1.4;
  color: #555;
  margin: 0 0 8px;
}
.page-home .card-arrow {
  font-size: 1.2rem;
  color: var(--hero-bg-green);
  font-weight: 700;
  transition: transform 0.3s ease;
  display: inline-block;
}
.page-home .hero-card:hover .card-arrow {
  transform: translateX(6px);
}
.page-home .hero-bg-shape {
  position: absolute;
  top: -60px;
  right: -80px;
  width: 500px;
  height: 500px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
  transform: rotate(15deg);
}
.page-home .hero-bg-img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ===== 共用标题 ===== */
.page-home .section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neutral-gray);
  margin-bottom: 4px;
  font-weight: 600;
}
.page-home .section-title {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin: 0 0 16px;
}

/* ===== 时间线 ===== */
.page-home .timeline-section {
  padding: 80px 0 60px;
  background: var(--bg-light);
  position: relative;
}
.page-home .timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--hero-bg-green), var(--hero-bg-blue), var(--accent-gold));
}
.page-home .timeline {
  position: relative;
  padding-left: 36px;
  margin: 32px 0 24px;
}
.page-home .timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--timeline-line);
}
.page-home .timeline-item {
  position: relative;
  padding-bottom: 36px;
  cursor: default;
}
.page-home .timeline-item:last-child {
  padding-bottom: 0;
}
.page-home .timeline-node {
  position: absolute;
  left: -36px;
  top: 0;
  width: 32px;
  height: 32px;
  background: var(--hero-bg-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--bg-light);
  box-shadow: 0 0 0 2px var(--hero-bg-green);
  z-index: 2;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-home .timeline-item:hover .timeline-node {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px rgba(0,168,120,0.3);
}
.page-home .timeline-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.page-home .timeline-content {
  background: #ffffff;
  border-radius: 0 16px 0 16px;
  padding: 16px 20px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s ease;
}
.page-home .timeline-item:hover .timeline-content {
  box-shadow: 0 6px 24px rgba(0,0,0,0.1);
}
.page-home .timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--hero-bg-green);
  display: block;
  margin-bottom: 4px;
}
.page-home .timeline-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-dark);
  margin: 0;
}
.page-home .timeline-more {
  margin-top: 12px;
}

/* ===== 服务清单 ===== */
.page-home .services-section {
  padding: 60px 0;
  background: var(--bg-dark);
  color: var(--text-light);
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}
.page-home .services-section .section-label {
  color: rgba(255,255,255,0.5);
}
.page-home .services-section .section-title {
  color: #ffffff;
}
.page-home .services-intro {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 0 32px;
}
.page-home .services-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}
.page-home .service-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 0 24px 0 24px;
  padding: 12px 20px;
  transition: background 0.3s ease, border-color 0.3s ease;
  cursor: default;
  min-width: 140px;
}
.page-home .service-tag:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--accent-gold);
}
.page-home .tag-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  opacity: 0.85;
  flex-shrink: 0;
}
.page-home .tag-label {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #ffffff;
}
.page-home .services-link {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}
.page-home .services-link:hover {
  background: var(--accent-gold);
  color: var(--text-dark);
}

/* ===== 下载区 ===== */
.page-home .download-section {
  padding: 80px 0;
  background: var(--bg-light);
}
.page-home .download-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.page-home .download-bg {
  margin-bottom: 24px;
  border-radius: 0 20px 0 20px;
  overflow: hidden;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--card-shadow);
}
.page-home .download-bg-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-home .download-content h2 {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin: 0 0 12px;
}
.page-home .download-content p {
  font-size: 1rem;
  line-height: 1.5;
  color: #555;
  max-width: 480px;
  margin: 0 auto 28px;
}
.page-home .download-btn {
  display: inline-block;
  padding: 14px 40px;
  font-size: 1.1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-home .download-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(255,215,0,0.35);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-home .hero-section {
    padding: 100px 0 80px;
    clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  }
  .page-home .hero-text h1 {
    font-size: 4.2rem;
  }
  .page-home .hero-subtitle {
    font-size: 1.25rem;
  }
  .page-home .hero-cards {
    flex-direction: row;
    gap: 24px;
  }
  .page-home .hero-card {
    flex: 1;
    padding: 32px 28px;
  }
  .page-home .hero-bg-shape {
    width: 700px;
    height: 700px;
    top: -120px;
    right: -160px;
  }
  .page-home .section-title {
    font-size: 2.8rem;
  }
  .page-home .timeline {
    padding-left: 48px;
  }
  .page-home .timeline::before {
    left: 22px;
  }
  .page-home .timeline-node {
    left: -48px;
    width: 44px;
    height: 44px;
  }
  .page-home .timeline-icon {
    width: 24px;
    height: 24px;
  }
  .page-home .timeline-content {
    padding: 20px 28px;
  }
  .page-home .services-tags {
    gap: 20px;
  }
  .page-home .service-tag {
    padding: 16px 28px;
    min-width: 160px;
  }
  .page-home .tag-icon {
    width: 40px;
    height: 40px;
  }
  .page-home .tag-label {
    font-size: 1.1rem;
  }
  .page-home .download-inner {
    flex-direction: row;
    text-align: left;
    gap: 48px;
    justify-content: center;
  }
  .page-home .download-bg {
    margin-bottom: 0;
    max-width: 360px;
    flex-shrink: 0;
  }
  .page-home .download-content p {
    margin: 0 0 28px;
  }
}

@media (min-width: 1024px) {
  .page-home .hero-text h1 {
    font-size: 5.2rem;
    max-width: 80%;
  }
  .page-home .hero-section {
    padding: 120px 0 100px;
  }
  .page-home .hero-card h2 {
    font-size: 1.6rem;
  }
  .page-home .section-title {
    font-size: 3.2rem;
  }
}