/* ================= 产品中心 product.html 专用样式 ================= */

/*---------- 首屏轮播文字增强 ----------*/
#hero .swiper-item::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(to top, rgba(0,0,0,.5), transparent 62%);
  pointer-events: none;
}
#hero .swiper-text { z-index: 2; }
#hero .swiper-text h1 { color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.35); }
#hero .swiper-text p { color: rgba(255,255,255,.92); text-shadow: 0 1px 8px rgba(0,0,0,.3); }

/*---------- 抽屉菜单第8个导航项 ----------*/
.drawer.open .nav-list a:nth-child(8) {
  transition-delay: 0.66s;
  opacity: 1;
  transform: translateX(0);
  padding-left: 20px;
}

/*---------- 通用分区 ----------*/
.page-container {
  width: 85%;
  max-width: 1280px;
  margin: 0 auto;
}
@media (max-width:767px) { .page-container { width: 90%; } }
.section { padding: 96px 0; }
.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: 32px; margin-bottom: 12px; }
@media (min-width:768px) { .section-head h2 { font-size: 40px; } }
.section-head p { color: var(--muted-foreground); }

/*---------- 系列筛选（保时捷车型页“车型”筛选风格） ----------*/
.model-list-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.filter-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted-foreground);
  font-size: 14px;
  padding: 9px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
}
.filter-btn:hover { border-color: #b9b9b9; color: var(--foreground); }
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.filter-btn .count {
  font-size: 11px;
  opacity: .72;
  margin-left: 4px;
}
.model-available {
  font-size: 14px;
  color: var(--muted-foreground);
}

/*---------- 产品列表（保时捷车型页风格竖版卡片） ----------*/
.model-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width:900px) { .model-grid { grid-template-columns: repeat(2, 1fr); } }
.model-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition-long), box-shadow var(--transition-long);
}
.model-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 48px rgba(0,0,0,.09);
}
.model-card.filtered-out { display: none; }
.model-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f5f6f8;
}
.model-media .model-img,
.model-media .model-video {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 28px;
  box-sizing: border-box;
  transition: opacity .3s ease;
}
.model-media .model-video { opacity: 0; }
@media (min-width:768px) {
  .model-card:hover .model-media .model-img { opacity: 0; }
  .model-card:hover .model-media .model-video { opacity: 1; }
}
@media (max-width:767px) { .model-video { display: none !important; } }
.model-media .series-badge {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 2;
  background: rgba(255,255,255,.88);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: #111;
  padding: 6px 13px;
  border-radius: 999px;
  text-transform: uppercase;
}
.model-body { padding: 30px 30px 28px; }
.model-en {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--muted-foreground);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.model-name {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 8px;
}
.model-tagline {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--foreground);
  margin-bottom: 12px;
}
.model-meta {
  font-size: 13px;
  color: var(--muted-foreground);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
/* 三栏参数格 */
.model-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.model-spec { text-align: center; padding: 0 8px; }
.model-spec + .model-spec { border-left: 1px solid var(--border); }
.model-spec .spec-label {
  display: block;
  font-size: 12px;
  color: var(--muted-foreground);
  line-height: 1.5;
  margin-bottom: 8px;
}
.model-spec .spec-value {
  display: block;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
}
/* 操作按钮 */
.model-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.model-cta a {
  font-size: 14px;
  color: var(--muted-foreground);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--transition-base), border-color var(--transition-base);
}
.model-cta a:hover { color: var(--foreground); border-color: var(--foreground); }
/* 系列内型号标签 */
.model-models {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
}
.model-models .models-label {
  font-size: 12px;
  color: var(--muted-foreground);
  letter-spacing: 1px;
  margin-right: 4px;
}
.model-models .model-chip {
  font-size: 13px;
  color: var(--foreground);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 5px 14px;
  border-radius: 999px;
  transition: all var(--transition-base);
}
.model-models .model-chip:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.spec-note {
  margin-top: 28px;
  font-size: 12px;
  color: #aaa;
  line-height: 1.7;
}

/*---------- 服务保障 CTA ----------*/
.service-strip {
  background: #f7f7f7;
  border-top: 1px solid var(--border);
}
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width:768px) { .service-grid { grid-template-columns: repeat(3, 1fr); } }
.service-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 34px 30px;
  transition: transform var(--transition-long), box-shadow var(--transition-long);
}
.service-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.07);
}
.service-item .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-item .icon svg { width: 24px; height: 24px; stroke: #333; }
.service-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.service-item p { font-size: 14px; color: var(--muted-foreground); line-height: 1.75; }

/*---------- 结尾横幅 ----------*/
.closing {
  background: #0a0a0a;
  color: #fff;
  text-align: center;
  padding: 92px 24px;
}
.closing h2 {
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: 3px;
  font-weight: 600;
}
.closing p {
  margin-top: 16px;
  color: rgba(255,255,255,.6);
  font-size: 15px;
  letter-spacing: 2px;
}
.closing .closing-phone {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 44px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 1px;
  transition: background var(--transition-base), color var(--transition-base);
}
.closing .closing-phone:hover { background: #fff; color: #000; }

/*---------- 滚动显现 ----------*/
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/*---------- 分页样式 ----------*/
.pagination-block {
  margin-top: 48px;
  text-align: center;
}
.pagination-block ul.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.pagination-block ul.pagination li {
  list-style: none;
}
.pagination-block ul.pagination li a,
.pagination-block ul.pagination li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--foreground);
  font-size: 14px;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
}
.pagination-block ul.pagination li a:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.pagination-block ul.pagination li.active span {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.pagination-block ul.pagination li.disabled span {
  opacity: .4;
}
.pagination-block .pagination_info {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted-foreground);
}

/*---------- 详情页分类筛选栏 ----------*/
.detail-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  background: #fafafa;
}
.detail-filter-bar .filter-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted-foreground);
  font-size: 13px;
  padding: 7px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}
.detail-filter-bar .filter-btn:hover {
  border-color: #b9b9b9;
  color: var(--foreground);
}
.detail-filter-bar .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
@media (max-width:767px) {
  .detail-filter-bar { padding: 16px; }
}