/* ========== 公司资质模块 ========== */
#company-qualifications {
  padding: 48px 0;
}

.qualifications-wrapper {
  margin: 32px;
}

/* 资质统计概览 */
.qualifications-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.overview-stat {
  background: linear-gradient(135deg, var(--brand) 0%, #1a6b5c 100%);
  color: #fff;
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.overview-stat::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.overview-stat .stat-number {
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}

.overview-stat .stat-label {
  font-size: 13px;
  opacity: 0.9;
  letter-spacing: 0.02em;
}

/* 资质列表 */
.qualifications-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.qual-list-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.2s;
}

.qual-list-card:hover {
  border-color: var(--brand);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.qual-list-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, #1a6b5c 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.qual-list-content h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--text);
}

.qual-list-content p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 8px;
  line-height: 1.5;
}

.qual-list-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.qual-tag {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(15, 90, 81, 0.08);
  color: var(--brand);
}

/* ========== 证书轮播 ========== */
.cert-carousel-wrapper {
  position: relative;
  margin: 32px 0;
  padding: 0 50px;
}

.cert-carousel {
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.cert-carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cert-carousel-slide {
  flex: 0 0 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: transform 0.3s;
  -webkit-user-select: none;
  user-select: none;
}

.cert-carousel-slide:hover {
  transform: scale(1.02);
}

.cert-carousel-slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
}

/* 轮播导航按钮 */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand);
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(15, 90, 81, 0.3);
}

.carousel-nav:hover {
  background: var(--brand-dark, #0f5a51);
  transform: translateY(-50%) scale(1.1);
}

.carousel-prev { left: 0; }
.carousel-next { right: 0; }

/* 轮播指示器 */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.carousel-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(15, 90, 81, 0.25);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.carousel-indicator:hover {
  background: rgba(15, 90, 81, 0.5);
}

.carousel-indicator.is-active {
  background: var(--brand);
  transform: scale(1.3);
}

/* 轮播计数器 */
.carousel-counter {
  text-align: center;
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* 证书画廊 - 防下载 */
.cert-section-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 20px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cert-section-title span {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

.cert-gallery-new {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.cert-item {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all 0.3s;
  cursor: pointer;
  /* 防下载 */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
}

.cert-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.cert-item-image {
  position: relative;
  padding-top: 133%;
  background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
  overflow: hidden;
  /* 防下载 */
  -webkit-user-select: none;
  user-select: none;
  pointer-events: none;
}

.cert-item-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
  /* 防下载 - 禁用拖拽 */
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
}

/* 防下载覆盖层 - 完全透明但阻止交互 */
.cert-item-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: 1;
  /* 透明层占位 */
}

.cert-item-info {
  padding: 14px;
  text-align: center;
  /* 防下载 */
  -webkit-user-select: none;
  user-select: none;
}

.cert-item-info h4 {
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text);
  line-height: 1.3;
}

.cert-item-info p {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}

/* 证书弹窗 - 防止截图 */
.cert-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 40px;
  /* 防止被打印 */
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.cert-modal.is-open {
  display: flex;
}

.cert-modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* 防截图 - 添加水印层 */
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.05) 100%);
}

.cert-modal-content img {
  max-height: 75vh;
  max-width: 100%;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  /* 防下载 */
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
  /* 防截图 */
  filter: contrast(1.02) saturate(1.02);
}

/* 水印 */
.cert-modal-content::before {
  content: 'SHEDATAHK LIMITED';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-30deg);
  font-size: 48px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
  letter-spacing: 8px;
}

.cert-modal-info {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  text-align: center;
}

.cert-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  transition: background 0.2s;
  z-index: 20;
}

.cert-modal-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.cert-modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  transition: background 0.2s;
  z-index: 20;
}

.cert-modal-nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.cert-modal-nav.prev { left: -70px; }
.cert-modal-nav.next { right: -70px; }

.cert-modal-counter {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .cert-gallery-new {
    grid-template-columns: repeat(4, 1fr);
  }
  .qualifications-overview {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cert-gallery-new {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .qualifications-list {
    grid-template-columns: 1fr;
  }
  .cert-carousel-wrapper {
    padding: 0 40px;
  }
  .carousel-nav {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
  .carousel-indicators {
    gap: 6px;
  }
  .carousel-indicator {
    width: 8px;
    height: 8px;
  }
}

@media (max-width: 640px) {
  #company-qualifications {
    padding: 32px 0;
  }
  .qualifications-overview {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .overview-stat {
    padding: 16px;
  }
  .overview-stat .stat-number {
    font-size: 32px;
  }
  .overview-stat .stat-label {
    font-size: 11px;
  }
  .cert-gallery-new {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .cert-item-info {
    padding: 10px;
  }
  .cert-item-info h4 {
    font-size: 12px;
  }
  .cert-modal {
    padding: 20px;
  }
  .cert-modal-nav {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }
  .cert-modal-nav.prev { left: 10px; }
  .cert-modal-nav.next { right: 10px; }
  .cert-carousel-wrapper {
    padding: 0 36px;
    margin: 20px 0;
  }
  .carousel-nav {
    width: 32px;
    height: 32px;
    font-size: 18px;
  }
  .carousel-counter {
    font-size: 12px;
  }
}

/* 打印样式 - 隐藏证书 */
@media print {
  .cert-item,
  .cert-modal {
    display: none !important;
  }
}