/* ========================================
   首页样式
   ======================================== */

/* ---- Hero Banner ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0A0A0A 0%, #1a0a0c 50%, #0A0A0A 100%);
}

#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
  padding-top: var(--header-height);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(214, 0, 28, 0.15);
  border: 1px solid rgba(214, 0, 28, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--color-red);
  margin-bottom: 32px;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-red);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.hero-title {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero-title .highlight {
  color: var(--color-red);
  position: relative;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s ease infinite;
}

.hero-scroll .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-red), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ---- 品牌故事轮播 ---- */
.story-section {
  background-color: #0d0d0d;
}

.story-carousel {
  position: relative;
  overflow: hidden;
}

.story-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.story-slide {
  min-width: 100%;
  padding: 0 12px;
}

.story-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, var(--color-gray-dark) 0%, #151e2e 100%);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
}

.story-card-content {
  padding: 60px;
}

.story-number {
  font-size: 72px;
  font-weight: 800;
  color: var(--color-red);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
}

.story-card h3 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.story-card p {
  font-size: 16px;
  color: var(--color-gray-light);
  line-height: 1.8;
}

.story-card-visual {
  height: 100%;
  min-height: 360px;
  background: linear-gradient(135deg, rgba(214,0,28,0.1) 0%, rgba(10,10,10,0.5) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.story-card-visual::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(214,0,28,0.2);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

.story-card-visual::after {
  content: '';
  position: absolute;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(214,0,28,0.15);
  border-radius: 50%;
  animation: rotate 15s linear infinite reverse;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.story-visual-icon {
  font-size: 80px;
  color: var(--color-red);
  opacity: 0.6;
  z-index: 1;
}

.story-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
}

.story-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 18px;
}

.story-btn:hover {
  border-color: var(--color-red);
  background: rgba(214, 0, 28, 0.1);
}

.story-dots {
  display: flex;
  gap: 10px;
}

.story-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.story-dot.active {
  background: var(--color-red);
  width: 32px;
  border-radius: 5px;
}

/* ---- 最新动态 ---- */
.news-section {
  background-color: var(--color-black);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--color-gray-dark);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(214, 0, 28, 0.3);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.news-card-img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-gray-mid) 0%, var(--color-gray-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.news-card-img::after {
  content: attr(data-label);
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: var(--color-red);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
}

.news-card-img .icon {
  font-size: 48px;
  color: rgba(255,255,255,0.1);
}

.news-card-body {
  padding: 24px;
}

.news-card-body h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-card-body p {
  font-size: 14px;
  color: var(--color-gray-light);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.news-date {
  font-size: 13px;
  color: var(--color-gray-mid);
}

.news-link {
  font-size: 14px;
  color: var(--color-red);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-link:hover {
  gap: 8px;
}

/* ---- 核心价值 ---- */
.values-section {
  background-color: #0d0d0d;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--color-gray-dark);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 40px 28px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: rgba(214, 0, 28, 0.3);
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(214, 0, 28, 0.1);
  border: 1px solid rgba(214, 0, 28, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-red);
}

.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.value-card p {
  font-size: 14px;
  color: var(--color-gray-light);
  line-height: 1.7;
}

/* ---- 快速入口 ---- */
.quick-section {
  background-color: var(--color-black);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.quick-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: var(--color-gray-dark);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.quick-item:hover {
  background: var(--color-red);
  border-color: var(--color-red);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(214, 0, 28, 0.25);
}

.quick-item:hover .quick-icon,
.quick-item:hover h4,
.quick-item:hover p {
  color: var(--color-white);
}

.quick-icon {
  font-size: 40px;
  color: var(--color-red);
  margin-bottom: 16px;
  transition: color 0.3s ease;
}

.quick-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.quick-item p {
  font-size: 14px;
  color: var(--color-gray-light);
  transition: color 0.3s ease;
}

/* ---- 案例展示 ---- */
.cases-section {
  background-color: #0d0d0d;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-gray-dark);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.case-card:hover {
  border-color: rgba(214, 0, 28, 0.3);
}

.case-card-img {
  background: linear-gradient(135deg, #1a0a0c 0%, var(--color-gray-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

.case-card-img .case-icon {
  font-size: 64px;
  color: var(--color-red);
  opacity: 0.5;
}

.case-card-body {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(214, 0, 28, 0.15);
  color: var(--color-red);
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  margin-bottom: 16px;
  width: fit-content;
}

.case-card-body h4 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.case-card-body p {
  font-size: 15px;
  color: var(--color-gray-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.case-link {
  font-size: 14px;
  color: var(--color-red);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
}

.case-link:hover {
  gap: 10px;
}

.cases-more {
  text-align: center;
  margin-top: 48px;
}

/* ========================================
   响应式
   ======================================== */

@media (max-width: 1023px) {
  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .story-card {
    grid-template-columns: 1fr;
  }

  .story-card-visual {
    min-height: 200px;
    order: -1;
  }

  .story-card-content {
    padding: 36px;
  }

  .story-card h3 {
    font-size: 26px;
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-card {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .hide-mobile {
    display: none;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 36px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }

  .hero-badge {
    font-size: 13px;
    padding: 6px 16px;
  }

  .story-card-content {
    padding: 28px;
  }

  .story-card h3 {
    font-size: 22px;
  }

  .story-number {
    font-size: 48px;
  }

  .story-card-visual {
    min-height: 160px;
  }

  .story-visual-icon {
    font-size: 48px;
  }

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

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

  .value-card {
    padding: 32px 24px;
  }

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

  .quick-item {
    padding: 32px 24px;
    flex-direction: row;
    text-align: left;
    gap: 20px;
  }

  .quick-icon {
    margin-bottom: 0;
    flex-shrink: 0;
  }

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

  .case-card {
    grid-template-columns: 1fr;
  }

  .case-card-img {
    min-height: 180px;
  }

  .case-card-body {
    padding: 28px;
  }
}

@media (max-width: 389px) {
  .hero-title {
    font-size: 30px;
  }

  .story-card-content {
    padding: 20px;
  }

  .story-card h3 {
    font-size: 20px;
  }
}