/**
 * ============================================
 * 星辰星联 - 组件样式 (components.css)
 * ============================================
 * 包含：按钮、卡片、表格、表单、轮播等可复用组件
 * 适用范围：所有页面
 */

/* ============================================
   按钮 (Buttons)
   ============================================ */

/* 主要按钮 */
.btn-primary,
.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  background-color: var(--primary);
  color: var(--text-white);
  font-size: var(--text-base);
  font-family: var(--font-regular);
  font-weight: 400;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              opacity var(--transition-base);
}

.btn-primary:hover,
.nav-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 54, 252, 0.3);
}

.btn-primary:active,
.nav-btn:active {
  transform: scale(0.98);
}

/* 大号主要按钮 */
.btn-primary-lg {
  padding: 16px 40px;
  border-radius: var(--radius-lg);
  font-size: var(--text-lg);
  font-family: var(--font-semibold);
  font-weight: 500;
}

/* Hero 区域按钮 */
.btn-hero-primary {
  padding: 16px 40px;
  border-radius: 8px;
  background: rgba(0, 54, 252, 1);
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-hero-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 54, 252, 0.3);
}

.btn-hero-secondary {
  padding: 16px 40px;
  border-radius: 8px;
  background: transparent;
  color: rgba(0, 9, 48, 1);
  font-size: 16px;
  font-weight: 500;
  border: 1px solid rgba(107, 122, 153, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
  transform: translateX(5px);
  border-color: #0036FC;
  color: #0036FC;
}

/* 次要按钮 */
.btn-secondary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  border-radius: 8px;
  border: 1px solid rgba(107, 122, 153, 0.5);
  background-color: transparent;
  color: var(--text-primary);
  font-size: var(--text-lg);
  font-family: var(--font-medium);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  transform: translateX(5px);
  border-color: #0036FC;
  color: #0036FC;
}

.btn-secondary .arrow-icon,
.btn-secondary .arrow-icon-svg {
  width: 20px;
  height: 20px;
  stroke-width: 2px;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--transition-base);
}

.btn-secondary:hover .arrow-icon,
.btn-secondary:hover .arrow-icon-svg {
  transform: translateX(4px);
}

/* ============================================
   卡片 (Cards)
   ============================================ */

/* 功能卡片 */
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--primary);
}

/* 功能卡片 - 解决方案页 */
.solution-features .feature-card {
  width: calc(33.333% - 22px);
  min-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px;
  border: 1px solid var(--border-light);
}

.solution-features .feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 54, 252, 0.12);
  border-color: rgba(0, 54, 252, 0.3);
}

/* 功能图标 */
.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

/* 解决方案页功能图标 */
.solution-features .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0036FC 0%, #0036FC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 24px;
  color: white;
}

.solution-features .feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3,
.feature-title {
  font-size: var(--text-lg);
  font-family: var(--font-semibold);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.solution-features .feature-title {
  font-size: var(--text-2xl);
  margin-bottom: 12px;
}

.feature-card p,
.feature-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

.solution-features .feature-desc {
  line-height: 1.7;
}

/* 痛点卡片 */
.pain-card {
  width: calc(33.333% - 16px);
  min-width: 300px;
  background-color: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.pain-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.pain-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(0, 54, 252, 0.1) 0%, rgba(0, 54, 252, 0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
}

.pain-title {
  font-size: var(--text-lg);
  font-family: var(--font-semibold);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.pain-desc {
  font-size: var(--text-base);
  font-family: var(--font-regular);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 优势卡片 - 深色背景 */
.advantage-card {
  width: calc(33.333% - 22px);
  min-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 32px;
  background: linear-gradient(135deg, rgba(0, 54, 252, 0.2) 0%, rgba(0, 54, 252, 0.1) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 54, 252, 0.3);
}

.advantage-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 36px;
  color: white;
}

.advantage-title {
  font-size: var(--text-3xl);
  font-family: var(--font-bold);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
  text-align: center;
}

.advantage-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.advantage-number {
  font-size: 48px;
  font-family: var(--font-bold);
  font-weight: 700;
  color: var(--primary-light);
  line-height: 1;
}

.advantage-label {
  font-size: var(--text-base);
  font-family: var(--font-regular);
  font-weight: 400;
  color: var(--text-muted);
}

.advantage-desc {
  font-size: var(--text-base);
  font-family: var(--font-regular);
  font-weight: 400;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}

/* 功能列表卡片 */
.feature-list-card {
  width: calc(25% - 15px);
  min-width: 220px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  background-color: var(--bg-white);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.feature-list-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-list-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background-color: rgba(199, 222, 255, 0.3);
}

.feature-list-icon svg {
  width: 22px;
  height: 22px;
  stroke: #0019FF;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-list-title {
  font-size: var(--text-lg);
  font-family: var(--font-semibold);
  font-weight: 500;
  color: var(--text-primary);
}

.feature-list-desc {
  font-size: var(--text-sm);
  font-family: var(--font-regular);
  font-weight: 400;
  line-height: 160%;
  color: var(--text-secondary);
}

/* 关于页优势卡片 */
.about-tag {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  background-color: rgba(199, 222, 255, 0.2);
  font-size: var(--text-sm);
  font-family: var(--font-medium);
  font-weight: 500;
  color: rgba(0, 25, 255, 1);
  transition: background-color var(--transition-base);
}

.about-tag:hover {
  background-color: rgba(0, 54, 252, 0.1);
}

.about-tag svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-right: 6px;
}

/* ============================================
   表格 (Tables)
   ============================================ */

.specs-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table thead {
  background: var(--bg-dark);
}

.specs-table th {
  padding: 16px 24px;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-white);
}

.specs-table td {
  padding: 14px 24px;
  font-size: var(--text-base);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
}

.specs-table tbody tr:hover {
  background: var(--bg-light);
}

.specs-table tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   面包屑导航 (Breadcrumb)
   ============================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.breadcrumb span {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.breadcrumb a {
  font-size: var(--text-sm);
  color: var(--primary-light);
}

/* ============================================
   标签 (Tags)
   ============================================ */

.hero-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-tag {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(0, 54, 252, 0.15);
  color: var(--primary-light);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid rgba(0, 54, 252, 0.3);
}

/* ============================================
   特性列表 (Feature List)
   ============================================ */

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #CBD5E1;
  font-size: var(--text-base);
}

.hero-feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary-light);
  flex-shrink: 0;
}

/* ============================================
   轮播组件 (Carousel)
   ============================================ */

.platform-carousel-wrapper {
  width: 100%;
  max-width: 1200px;
  position: relative;
  height: 500px;
  overflow: hidden;
  border-radius: var(--radius-2xl);
}

.platform-slider {
  display: flex;
  width: 100%;
  height: 100%;
  gap: 24px;
  transition: transform 500ms cubic-bezier(0.25, 0.1, 0.25, 1);
}

.slide {
  flex-shrink: 0;
  width: calc(100% - 48px);
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 30px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  z-index: 100;
}

.carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: all 300ms ease;
}

.carousel-dots .dot:hover {
  background: rgba(0, 0, 0, 0.35);
}

.carousel-dots .dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

.carousel-pause {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 10px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.3s ease;
}

.carousel-pause:hover {
  background: rgba(0, 54, 252, 0.1);
}

.carousel-pause svg {
  width: 14px;
  height: 14px;
  fill: #666;
}

/* ============================================
   统计数字 (Stats)
   ============================================ */

.stats-row {
  display: flex;
  flex-direction: row;
  gap: 60px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-size: 28px;
  font-family: var(--font-display);
  font-weight: 700;
  color: rgba(0, 25, 255, 1);
}

.stat-label {
  font-size: var(--text-sm);
  font-family: var(--font-regular);
  font-weight: 400;
  color: var(--text-primary);
}

/* ============================================
   联系信息 (Contact)
   ============================================ */

.contact-wrapper {
  display: flex;
  flex-direction: row;
  gap: 60px;
  width: 100%;
  align-items: flex-start;
  justify-content: center;
}

.contact-info {
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  flex-direction: row;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background-color: rgba(199, 222, 255, 0.3);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: #0019FF;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: var(--text-sm);
  font-family: var(--font-regular);
  font-weight: 400;
  color: var(--text-secondary);
}

.contact-value {
  font-size: var(--text-lg);
  font-family: var(--font-semibold);
  font-weight: 500;
  color: var(--text-primary);
}

.contact-map {
  flex: 1;
  max-width: 640px;
  width: 100%;
  min-height: 360px;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  background-color: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.contact-map-placeholder {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  color: var(--text-secondary);
}

.contact-map-placeholder svg {
  width: 48px;
  height: 48px;
  stroke: rgba(100, 116, 139, 0.5);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-map-placeholder p {
  font-size: var(--text-base);
  font-family: var(--font-regular);
  font-weight: 400;
}

/* ============================================
   图片占位符
   ============================================ */

.hero-image-placeholder {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 4/3;
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-placeholder svg {
  width: 120px;
  height: 120px;
  color: rgba(255, 255, 255, 0.2);
}

/* ============================================
   响应式调整
   ============================================ */

@media (max-width: 1024px) {
  .pain-card,
  .feature-card,
  .advantage-card {
    width: calc(50% - 12px);
  }

  .feature-list-card {
    width: calc(50% - 10px);
  }

  .platform-carousel-wrapper {
    height: 400px;
  }

  .contact-wrapper {
    flex-direction: column;
    gap: 40px;
  }

  .contact-info {
    max-width: 100%;
  }

  .contact-map {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .pain-card,
  .feature-card,
  .advantage-card {
    width: 100%;
    max-width: 400px;
    min-width: unset;
  }

  .feature-list-card {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }

  .platform-carousel-wrapper {
    height: 300px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
  }

  .cta-btn-primary,
  .cta-btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .breadcrumb a {
    padding: 8px 4px;
    display: inline-flex;
    align-items: center;
  }
}
  /* P2-4: 全局按钮触摸区域 */
  .btn-primary, .btn-secondary, .nav-btn { min-height: 44px; display: inline-flex; align-items: center; }
}

@media (max-width: 480px) {
  .feature-list-card {
    max-width: 100%;
    min-width: unset;
  }
}