/**
 * Certificate Gallery — jhqz_honor_optimized.html Certificate Gallery
 */

.vsw-certificate-gallery {
  --vsw-cert-primary: #c3002f;
  --vsw-cert-gold: #c9a961;
  --vsw-cert-dark: #1a1a2e;
  --vsw-cert-text: #333;
  --vsw-cert-text-light: #666;
  --vsw-cert-text-muted: #999;
  --vsw-cert-bg: #fafafa;
  --vsw-cert-max-width: 1280px;
  --vsw-cert-padding-x: 24px;
  --vsw-cert-cols: 4;
  --vsw-cert-cols-tablet: 2;
  --vsw-cert-cols-mobile: 1;
  --vsw-cert-gap: 36px;
  --vsw-cert-gap-tablet: 24px;
  --vsw-cert-gap-mobile: 20px;
  --vsw-cert-transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  box-sizing: border-box;
  padding: 80px 0 100px;
  background: var(--vsw-cert-section-bg, var(--vsw-cert-bg));
  color: var(--vsw-cert-text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

.vsw-certificate-gallery *,
.vsw-certificate-gallery *::before,
.vsw-certificate-gallery *::after {
  box-sizing: inherit;
}

.vsw-certificate-gallery.vsw-certificate-gallery--no-bg {
  background: transparent;
}

.vsw-certificate-gallery.vsw-certificate-gallery--width-full {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.vsw-certificate-gallery .vsw-cert-inner {
  width: 100%;
  max-width: var(--vsw-cert-max-width);
  margin: 0 auto;
  padding-left: var(--vsw-cert-padding-x);
  padding-right: var(--vsw-cert-padding-x);
}

/* Header */
.vsw-certificate-gallery .section-header {
  text-align: center;
  margin-bottom: 56px;
}

.vsw-certificate-gallery .section-label {
  display: inline-block;
  font-size: 13px;
  color: var(--vsw-cert-gold);
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}

.vsw-certificate-gallery .section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--vsw-cert-dark);
  letter-spacing: 2px;
  margin: 0 0 16px;
}

.vsw-certificate-gallery .section-divider {
  width: 60px;
  height: 3px;
  margin: 0 auto;
  background: linear-gradient(90deg, var(--vsw-cert-primary), var(--vsw-cert-gold));
  border-radius: 2px;
}

.vsw-certificate-gallery .section-desc {
  font-size: 15px;
  color: var(--vsw-cert-text-muted);
  margin: 16px auto 0;
  max-width: 600px;
  line-height: 1.6;
}

/* Filter */
.vsw-certificate-gallery .filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.vsw-certificate-gallery .filter-btn {
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--vsw-cert-text-light);
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--vsw-cert-transition);
  letter-spacing: 1px;
  font-family: inherit;
}

.vsw-certificate-gallery .filter-btn:hover {
  color: var(--vsw-cert-primary);
  border-color: var(--vsw-cert-primary);
  transform: translateY(-2px);
}

.vsw-certificate-gallery .filter-btn.active {
  color: #fff;
  background: var(--vsw-cert-primary);
  border-color: var(--vsw-cert-primary);
  box-shadow: 0 6px 20px rgba(195, 0, 47, 0.25);
}

.vsw-certificate-gallery .filter-count {
  display: inline-block;
  font-size: 12px;
  margin-left: 4px;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.08);
}

.vsw-certificate-gallery .filter-btn.active .filter-count {
  background: rgba(255, 255, 255, 0.25);
}

/* Grid */
.vsw-certificate-gallery .cert-grid {
  display: grid;
  grid-template-columns: repeat(var(--vsw-cert-cols, 4), minmax(0, 1fr));
  gap: var(--vsw-cert-gap, 36px);
}

.vsw-certificate-gallery .cert-card {
  position: relative;
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.6s,
    transform 0.6s;
}

.vsw-certificate-gallery .cert-card.visible,
.vsw-certificate-gallery.vsw-certificate-gallery--no-reveal .cert-card,
.vsw-certificate-gallery[data-vsw-reveal='no'] .cert-card {
  opacity: 1;
  transform: translateY(0);
}

.vsw-certificate-gallery .cert-card.hidden {
  display: none;
}

.vsw-certificate-gallery .cert-frame {
  position: relative;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--vsw-cert-transition);
  border: 1px solid #f0f0f0;
  cursor: pointer;
}

.vsw-certificate-gallery .cert-card:hover .cert-frame {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
  border-color: var(--vsw-cert-gold);
}

.vsw-certificate-gallery .cert-frame::before,
.vsw-certificate-gallery .cert-frame::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--vsw-cert-gold);
  opacity: 0;
  transition:
    opacity 0.4s,
    transform 0.4s;
  z-index: 3;
  pointer-events: none;
}

.vsw-certificate-gallery .cert-frame::before {
  top: 10px;
  left: 10px;
  border-right: none;
  border-bottom: none;
  transform: translate(-5px, -5px);
}

.vsw-certificate-gallery .cert-frame::after {
  bottom: 10px;
  right: 10px;
  border-left: none;
  border-top: none;
  transform: translate(5px, 5px);
}

.vsw-certificate-gallery .cert-card:hover .cert-frame::before,
.vsw-certificate-gallery .cert-card:hover .cert-frame::after {
  opacity: 1;
  transform: translate(0, 0);
}

.vsw-certificate-gallery .cert-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--vsw-cert-img-ratio, 3 / 4);
  background: #f8f8f8;
}

.vsw-certificate-gallery .cert-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  background: #fff;
  padding: 12px;
  display: block;
}

.vsw-certificate-gallery .cert-img-wrap .cert-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vsw-cert-text-muted);
  font-size: 13px;
  background: #f0f0f0;
}

.vsw-certificate-gallery .cert-card:hover .cert-img-wrap img {
  transform: scale(1.05);
}

.vsw-certificate-gallery .cert-info {
  padding: 16px 20px;
  text-align: center;
  border-top: 1px solid #f5f5f5;
}

.vsw-certificate-gallery .cert-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--vsw-cert-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.vsw-certificate-gallery .cert-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--vsw-cert-text);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .vsw-certificate-gallery .cert-grid {
    grid-template-columns: repeat(var(--vsw-cert-cols-tablet, 2), minmax(0, 1fr));
    gap: var(--vsw-cert-gap-tablet, 24px);
  }
}

@media (max-width: 640px) {
  .vsw-certificate-gallery {
    padding: 50px 0 80px;
  }

  .vsw-certificate-gallery .section-title {
    font-size: 26px;
  }

  .vsw-certificate-gallery .cert-grid {
    grid-template-columns: repeat(var(--vsw-cert-cols-mobile, 1), minmax(0, 1fr));
    gap: var(--vsw-cert-gap-mobile, 20px);
  }

  .vsw-certificate-gallery .filter-bar {
    gap: 8px;
  }

  .vsw-certificate-gallery .filter-btn {
    padding: 8px 18px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vsw-certificate-gallery .cert-card,
  .vsw-certificate-gallery .cert-frame,
  .vsw-certificate-gallery .cert-img-wrap img,
  .vsw-certificate-gallery .filter-btn {
    transition: none;
  }

  .vsw-certificate-gallery .cert-card {
    opacity: 1;
    transform: none;
  }
}