/* ==========================================================================
   产品页样式（与主样式共用设计变量）
   ========================================================================== */

/* ---------- 详情页两栏 ---------- */
.p-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: start;
}

/* ---------- 图集 ---------- */
.p-gallery {
  position: sticky;
  top: 96px;
}

.p-gallery__stage {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.p-gallery__main {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
}

.p-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.p-thumb {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.18s var(--ease);
}

.p-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.p-thumb:hover,
.p-thumb.is-active {
  border-color: var(--blue-600);
}

.p-gallery--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  color: var(--ink-400);
  font-size: 0.875rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Ccircle cx='32' cy='32' r='29' fill='none' stroke='%23CFDBE7' stroke-width='1.6'/%3E%3Ccircle cx='32' cy='32' r='20' fill='none' stroke='%23D8E4F0' stroke-width='1.6'/%3E%3Ccircle cx='32' cy='32' r='11' fill='%23EAF1FB' stroke='%23CFDBE7' stroke-width='1.2'/%3E%3Ccircle cx='32' cy='32' r='3.2' fill='%23B5C7D8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center 38%;
  background-size: 116px 116px;
}

.p-gallery--empty span {
  margin-top: 132px;
}

/* ---------- 右侧信息 ---------- */
.p-info .title {
  font-size: 1.125rem;
  margin: 0;
}

.p-info__head {
  padding-top: 24px;
  margin-top: 8px;
}

.p-cat {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--blue-600);
  text-decoration: none;
}

.p-cat:hover {
  text-decoration: underline;
}

.p-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.p-cert {
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy-900);
  background: #fff;
}

.p-status {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 12px;
  border-radius: 6px;
  background: #FFF4E5;
  color: #8A5A00;
  font-size: 0.8125rem;
  font-weight: 600;
}

.p-notice {
  margin-bottom: 16px;
  padding: 10px 14px;
  border-left: 3px solid var(--blue-600);
  background: var(--bg-soft);
  font-size: 0.875rem;
  color: var(--ink-500);
}

/* ---------- 规格分组 ---------- */
.p-specgroup {
  margin-bottom: 24px;
}

.p-info__head + .p-specgroup {
  margin-top: 10px;
}

.p-specgroup__title {
  margin-bottom: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
}

.p-specgroup .spec-table {
  border-top: 1px solid var(--line);
}

.p-specgroup .spec-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
}

.p-specgroup dt {
  font-size: 0.875rem;
  color: var(--ink-500);
}

.p-specgroup dd {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-900);
  word-break: break-word;
}

.p-info .btn--block {
  margin-top: 8px;
}

/* ---------- 应用场景 ---------- */
.p-app {
  max-width: 820px;
  margin-top: 8px;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--ink-500);
}

/* ---------- 产品卡片墙 ---------- */
.p-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.p-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.p-filter {
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-500);
  cursor: pointer;
  transition: all 0.18s var(--ease);
}

.p-filter:hover {
  border-color: var(--blue-600);
  color: var(--blue-600);
}

.p-filter.is-active {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
}

.p-filter__n {
  margin-left: 4px;
  font-size: 0.75rem;
  opacity: 0.65;
}

.p-count {
  font-size: 0.875rem;
  color: var(--ink-500);
}

.p-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.p-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.p-card {
  position: relative;
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.p-card:hover {
  border-color: var(--blue-600);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(14, 42, 71, 0.08);
}

.p-card__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  padding: 6px;
}

.p-card__img--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  font-size: 0.75rem;
  color: var(--ink-400);
  background-color: var(--bg-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Ccircle cx='32' cy='32' r='29' fill='none' stroke='%23CFDBE7' stroke-width='1.6'/%3E%3Ccircle cx='32' cy='32' r='20' fill='none' stroke='%23D8E4F0' stroke-width='1.6'/%3E%3Ccircle cx='32' cy='32' r='11' fill='%23EAF1FB' stroke='%23CFDBE7' stroke-width='1.2'/%3E%3Ccircle cx='32' cy='32' r='3.2' fill='%23B5C7D8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center 40%;
  background-size: 76px 76px;
}

.p-card__img--empty span {
  margin-top: 66px;
}

.p-card__body {
  padding: 16px 16px 18px;
}

.p-card__model {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue-600);
}

.p-card__title {
  margin-top: 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.45;
}

.p-card__meta {
  margin-top: 8px;
  font-size: 0.8125rem;
  color: var(--ink-500);
  line-height: 1.5;
}

.p-card__certs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.p-card__certs span {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--ink-500);
}

.p-card__eol {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(14, 42, 71, 0.78);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
}

.p-empty {
  display: none;
  padding: 48px 0;
  text-align: center;
  color: var(--ink-500);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .p-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .p-gallery {
    position: static;
  }

  .p-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .p-grid,
  .p-grid--three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .p-gallery__thumbs {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
  }

  .p-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .p-grid,
  .p-grid--three {
    grid-template-columns: 1fr;
  }

  .p-card__body {
    padding: 14px;
  }

  .p-specgroup .spec-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .p-filter {
    padding: 7px 13px;
    font-size: 0.8125rem;
  }
}

/* -------------------------------------------------------------------------- */
/* 产品详情：左栏图集 + 应用场景                                                */
/* -------------------------------------------------------------------------- */
.p-media {
  min-width: 0;
}

/* 左栏下方有应用场景，取消图集吸顶，避免滚动时压住文字 */
.p-gallery {
  position: static;
}

.p-appbox {
  margin-top: 26px;
  padding: 22px 24px;
  background: var(--bg-soft);
  border-left: 3px solid var(--blue-600);
  border-radius: 0 12px 12px 0;
}

.p-appbox__t {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-600);
}

.p-appbox__x {
  margin: 8px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-500);
}

@media (max-width: 860px) {
  .p-appbox {
    margin-top: 20px;
    padding: 18px 18px;
  }
}

/* ---------- 可制造型号清单 ---------- */
.p-models-section {
  padding-top: 0;
}

.p-models .title {
  margin-top: 6px;
}

.p-models__lead {
  max-width: 68ch;
  margin: 10px 0 24px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-500);
}

.p-models__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.p-model {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.p-model:hover {
  border-color: var(--line-strong);
  box-shadow: 0 2px 10px rgba(11, 32, 51, 0.05);
}

.p-model__code {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--blue-700);
}

.p-model__desc {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink-500);
}

@media (max-width: 640px) {
  .p-models__grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
  }

  .p-model {
    padding: 11px 12px;
  }

  .p-model__code {
    font-size: 0.875rem;
  }
}