/* ============================================
   首页专用样式 - index.html
   ============================================ */

/* ---------- Hero 区域 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-primary);
}

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

.hero__gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212, 168, 83, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 70% 60%, rgba(21, 34, 56, 0.9) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
}

/* 网格背景图案 */
.hero__grid-pattern {
  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 80% 70% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

/* 光晕效果 */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero__glow--1 {
  width: 500px;
  height: 500px;
  top: -10%;
  right: 10%;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.15), transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.hero__glow--2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: 5%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1), transparent 70%);
  animation: float 10s ease-in-out infinite reverse;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 80px;
}

/* 徽章标签 */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: rgba(212, 168, 83, 0.12);
  border: 1px solid rgba(212, 168, 83, 0.25);
  border-radius: var(--radius-full);
  color: var(--color-accent-light);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: var(--space-xl);
}

/* 主标题 */
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

/* 副标题 */
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-gray-400);
  max-width: 680px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}

/* 操作按钮组 */
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

/* 统计数据条 */
.hero__stats {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xl);
  padding: var(--space-lg) var(--space-2xl);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.hero__stat-number + span {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.hero__stat-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-xs);
  letter-spacing: 0.5px;
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
}

/* 滚动提示 */
.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-gray-500);
  font-size: var(--text-xs);
  letter-spacing: 2px;
  animation: fadeInUp 1s ease forwards;
  animation-delay: 1.5s;
  opacity: 0;
}

.hero__scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.hero__scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.3; }
}

/* ---------- 核心业务板块预览 ---------- */
.services-preview {
  background: var(--color-white);
  position: relative;
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

.services-preview__grid {
  margin-top: var(--space-xl);
}

.services-preview__card {
  height: 100%;
}

.services-preview__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.services-preview__link:hover {
  gap: var(--space-sm);
  color: var(--color-accent-light);
}

/* ---------- 公司优势区域 ---------- */
.advantages {
  background: var(--color-gray-50);
  overflow: hidden;
}

.advantages__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.advantages__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.advantages__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.advantages__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.advantages__item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(212, 168, 83, 0.2);
  transform: translateX(8px);
}

.advantages__item-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.1), rgba(212, 168, 83, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.advantages__item h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-primary);
}

.advantages__item p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* 数据统计卡片网格 */
.advantages__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantages__stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: 420px;
}

.advantages__stat-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
}

.advantages__stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.advantages__stat-card--accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-color: transparent;
}

.advantages__stat-card--accent .advantages__stat-number,
.advantages__stat-card--accent .advantages__stat-suffix,
.advantages__stat-card--accent .advantages__stat-text {
  color: var(--color-white);
}

.advantages__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.advantages__stat-suffix {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.advantages__stat-text {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-sm);
}

/* ---------- 关于我们预览 ---------- */
.about-preview__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-preview__image-wrapper {
  position: relative;
}

.about-preview__image-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: var(--radius-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  overflow: hidden;
  position: relative;
}

.about-preview__image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 168, 83, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 168, 83, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.about-preview__image-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.about-preview__image-content span {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
  font-weight: 700;
}

.about-preview__image-content small {
  color: var(--color-accent);
  font-size: var(--text-sm);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* 浮动卡片 */
.about-preview__floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 18px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  white-space: nowrap;
  animation: float 4s ease-in-out infinite;
}

.about-preview__floating-card--1 {
  bottom: 20px;
  right: -30px;
  animation-delay: 0s;
}

.about-preview__floating-card--2 {
  top: 20px;
  right: -20px;
  animation-delay: 2s;
}

.about-preview__content .section__subtitle {
  display: inline-flex; /* 覆盖默认inline-block */
}

.about-preview__text {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.about-preview__text strong {
  color: var(--color-primary);
  font-weight: 600;
}

.about-preview__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
  margin: var(--space-xl) 0 var(--space-2xl);
}

.about-preview__feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

/* ---------- CTA 行动召唤区 ---------- */
.cta {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.cta__bg-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta__circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(212, 168, 83, 0.15);
}

.cta__circle--1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -50px;
  animation: float 8s ease-in-out infinite;
}

.cta__circle--2 {
  width: 200px;
  height: 200px;
  bottom: -80px;
  left: -30px;
  animation: float 10s ease-in-out infinite reverse;
}

.cta__circle--3 {
  width: 150px;
  height: 150px;
  top: 50%;
  left: 10%;
  animation: float 6s ease-in-out infinite;
  animation-delay: 1s;
}

.cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.cta__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ---------- 响应式适配 ---------- */

@media (max-width: 1024px) {
  .advantages__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .advantages__visual {
    order: -1;
  }

  .advantages__stats-grid {
    max-width: 100%;
    justify-items: center;
  }

  .about-preview__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .about-preview__visual {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }

  .about-preview__floating-card--1 {
    right: -10px;
  }

  .about-preview__floating-card--2 {
    right: 0;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 100svh;
  }

  .hero__content {
    padding-top: 100px;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-lg);
  }

  .hero__stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .services-preview {
    margin-top: -30px;
  }

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

  .advantages__list {
    gap: var(--space-md);
  }

  .advantages__item {
    padding: var(--space-md);
  }

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

  .about-preview__features {
    grid-template-columns: 1fr;
  }

  .about-preview__floating-card {
    display: none;
  }

  .hero__scroll-indicator {
    display: none;
  }

  .hide-mobile {
    display: none;
  }
}