/* ============================================
   首页专属样式
   ============================================ */

/* ---------- Hero 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
  overflow: hidden;
  padding: 100px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: rgba(255, 107, 44, 0.18);
  top: -100px;
  right: -50px;
  animation: float-glow 8s ease-in-out infinite;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(42, 90, 140, 0.35);
  bottom: -100px;
  left: -50px;
  animation: float-glow 10s ease-in-out infinite reverse;
}

@keyframes float-glow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 107, 44, 0.15);
  border: 1px solid rgba(255, 107, 44, 0.3);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--orange-300);
  margin-bottom: 28px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--orange-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--orange-400), var(--orange-600));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-slogan {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  line-height: 1.8;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.hero-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--orange-400);
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
  margin: 8px auto 0;
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- 公司简介 ---------- */
.intro-section {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.intro-text {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.9;
  margin-bottom: 20px;
}

.intro-text strong {
  color: var(--navy-800);
  font-weight: 600;
}

.intro-features {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.intro-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
}

.intro-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--orange-100);
  color: var(--orange-500);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 简介右侧卡片 */
.intro-card-stack {
  position: relative;
  padding: 20px;
}

.intro-card-main {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.intro-card-icon {
  color: var(--orange-400);
  margin-bottom: 24px;
}

.intro-card-main h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.intro-card-main p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  line-height: 1.7;
}

.intro-card-float {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}

.intro-card-1 {
  bottom: 30px;
  left: -20px;
}

.intro-card-2 {
  top: 30px;
  right: -20px;
}

.intro-card-float strong {
  display: block;
  font-size: 0.95rem;
  color: var(--navy-900);
  font-weight: 700;
}

.intro-card-float span {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.float-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.float-icon.green { background: var(--green-500); }
.float-icon.blue { background: var(--navy-500); }

/* ---------- 核心服务 ---------- */
.services-section {
  background: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange-300);
}

.service-card-featured {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: var(--white);
  border-color: transparent;
}

.service-card-featured:hover {
  border-color: var(--orange-400);
}

.service-card-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--orange-500);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
}

.service-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}

.service-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--orange-100);
  color: var(--orange-500);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.service-card-featured .service-icon {
  background: rgba(255, 107, 44, 0.2);
  color: var(--orange-400);
}

.service-card:hover .service-icon {
  background: var(--orange-500);
  color: var(--white);
  transform: rotate(-5deg) scale(1.05);
}

.service-tag {
  font-size: 2rem;
  font-weight: 900;
  color: var(--gray-200);
  line-height: 1;
}

.service-card-featured .service-tag {
  color: rgba(255, 255, 255, 0.15);
}

.service-card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--navy-900);
}

.service-card-featured .service-card-title {
  color: var(--white);
}

.service-card-desc {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-card-featured .service-card-desc {
  color: rgba(255, 255, 255, 0.65);
}

.service-card-list {
  margin-bottom: 28px;
}

.service-card-list li {
  font-size: 0.9rem;
  color: var(--gray-700);
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
}

.service-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange-100);
}

.service-card-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange-500);
}

.service-card-featured .service-card-list li {
  color: rgba(255, 255, 255, 0.8);
}

.service-card-featured .service-card-list li::before {
  background: rgba(255, 107, 44, 0.3);
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--orange-500);
  transition: gap var(--transition);
}

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

.service-card-featured .service-card-link {
  color: var(--orange-400);
}

/* ---------- 服务流程 ---------- */
.process-section {
  background: var(--white);
}

.process-timeline {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.process-line {
  position: absolute;
  top: 40px;
  left: 5%;
  right: 5%;
  height: 3px;
  background: linear-gradient(to right, var(--gray-200), var(--orange-300), var(--gray-200));
  z-index: 0;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--orange-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy-800);
  transition: all var(--transition);
  position: relative;
}

.process-step:hover .process-num {
  background: var(--orange-500);
  border-color: var(--orange-500);
  color: var(--white);
  transform: scale(1.1);
  box-shadow: var(--shadow-orange);
}

.process-content {
  padding: 0 8px;
}

.process-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  background: var(--gray-100);
  color: var(--navy-600);
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step:hover .process-icon {
  background: var(--navy-800);
  color: var(--orange-400);
}

.process-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
}

.process-content p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ---------- 三大承诺 ---------- */
.promise-section {
  background: var(--navy-900);
  position: relative;
  overflow: hidden;
}

.promise-section::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 44, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.promise-section .section-title {
  color: var(--white);
}

.promise-section .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.promise-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}

.promise-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 107, 44, 0.3);
  transform: translateY(-6px);
}

.promise-card-center {
  background: rgba(255, 107, 44, 0.08);
  border-color: rgba(255, 107, 44, 0.2);
}

.promise-shield {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: rgba(255, 107, 44, 0.15);
  color: var(--orange-400);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all var(--transition);
}

.promise-card:hover .promise-shield {
  background: rgba(255, 107, 44, 0.25);
  transform: scale(1.05);
}

.promise-shield-num {
  position: absolute;
  bottom: -8px;
  right: -8px;
  background: var(--orange-500);
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-orange);
}

.promise-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.promise-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-bottom: 20px;
}

.promise-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--orange-400);
  padding: 6px 16px;
  border: 1px solid rgba(255, 107, 44, 0.3);
  border-radius: 100px;
}

/* ---------- CTA ---------- */
.cta-section {
  padding: var(--space-xl) 0;
  background: var(--gray-50);
}

.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-orange);
}

.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn-primary {
  background: var(--white);
  color: var(--orange-600);
}

.cta-actions .btn-primary:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

.cta-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
}

/* ---------- 响应式 ---------- */
@media (max-width: 968px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .promise-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .process-timeline {
    flex-direction: column;
    gap: 32px;
  }

  .process-line {
    display: none;
  }

  .process-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    text-align: left;
  }

  .process-num {
    margin: 0;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    font-size: 1.4rem;
  }

  .process-content {
    text-align: left;
  }

  .process-icon {
    margin: 0 0 8px 0;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-slogan {
    font-size: 1rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .hero-stat {
    flex: 0 0 calc(50% - 10px);
    padding: 0 10px;
  }

  .hero-stat-divider {
    display: none;
  }

  .hero-stat-num {
    font-size: 1.6rem;
  }

  .intro-card-float {
    display: none;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .cta-title {
    font-size: 1.6rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 28px 24px;
  }
}