/* 产品卡片（v8 高保真：参考 product-showcase 原型——sticky 锚点导览 + 图标卡片网格）
 * 布局：全部 3 列（1200px 2 列 / 768px 1 列）；卡片 = 彩色图标 + 名称 + 简介 + hover 上浮橙色
 */
.szh_section1 .u1,
.pb-grid {
  display: flex;
  flex-wrap: wrap;
  margin: -12px !important;
  padding: 0;
  list-style: none;
}
.szh_section1 .u1 > li.l1,
.pb-grid > li.l1 {
  width: 33.333%;
  padding: 12px;
  margin: 0 !important;
  box-sizing: border-box;
  display: flex;
}

/* 顶部分类锚点导览：吸顶 */
.pb-nav {
  position: sticky;
  top: 88px;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}
.pb-nav .w_width {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  flex-wrap: wrap;
  box-sizing: border-box;
}
.pb-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 26px;
  font-size: 15px;
  color: #555;
  border-radius: 22px;
  border: 1px solid #e8e8e8;
  background: #fff;
  transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.pb-nav a:hover {
  color: #f08200;
  border-color: #f08200;
}
.pb-nav a.on {
  background: #f08200;
  color: #fff;
  border-color: #f08200;
  box-shadow: 0 6px 16px rgba(240, 130, 0, 0.22);
}
.pb-nav a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(240, 130, 0, 0.35);
}

/* 区块 */
.pb-block {
  padding: 60px 0 6px;
  scroll-margin-top: 170px;
}
.pb-title {
  position: relative;
  padding-left: 14px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  color: #1f1f1f;
  margin: 0 0 4px;
  animation: pbFade 0.5s ease both;
}
.pb-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 4px;
  border-radius: 2px;
  background: #f08200;
}
@keyframes pbFade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.pb-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 30px;
}
.pb-tabs a {
  padding: 7px 20px;
  font-size: 13px;
  color: #666;
  border: 1px solid #e8e8e8;
  border-radius: 20px;
  background: #fff;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.pb-tabs a:hover {
  color: #f08200;
  border-color: #f08200;
}
.pb-tabs a.on {
  background: #f08200;
  color: #fff;
  border-color: #f08200;
}
.pb-tabs a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(240, 130, 0, 0.35);
}

/* 图标卡片 */
.pc-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  min-height: 100px;
  padding: 22px;
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
  box-sizing: border-box;
  text-align: left;
}
.pc-card:hover {
  box-shadow: 0 14px 32px rgba(240, 130, 0, 0.12);
  transform: translateY(-3px);
  border-color: #f5c896;
}
.pc-card:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(240, 130, 0, 0.35), 0 14px 32px rgba(240, 130, 0, 0.12);
}
.pc-card:active {
  transform: translateY(-1px);
}
.pc-ico {
  width: 54px;
  height: 54px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.25s ease, color 0.25s ease;
}
.pc-ico svg {
  width: 27px;
  height: 27px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s ease;
}
.pc-card:hover .pc-ico {
  background: #f08200;
  color: #fff;
}
.pc-card:hover .pc-ico svg {
  transform: scale(1.08);
}
.pc-ico.c0 { background: #fff4e6; color: #f08200; }
.pc-ico.c1 { background: #eaf3fd; color: #2d7dd2; }
.pc-ico.c2 { background: #e6f7f5; color: #12a5a0; }
.pc-ico.c3 { background: #fdefec; color: #e05a4e; }
.pc-ico.c4 { background: #f1edfd; color: #7a5af0; }
.pc-ico.c5 { background: #eef8f0; color: #3e8e4e; }
.pc-ico.c6 { background: #fdf3e8; color: #d17c1e; }
.pc-ico.c7 { background: #fdeef4; color: #c2577a; }
.pc-ico.c8 { background: #fff0f0; color: #e05a4e; }
.pc-ico.c9 { background: #eaf1fb; color: #2f5da8; }
.pc-info {
  min-width: 0;
  flex: 1;
  padding-right: 20px;
}
.pc-bt {
  font-size: 16px;
  font-weight: 600;
  color: #2b2b2b;
  margin: 0 0 5px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s ease;
}
.pc-card:hover .pc-bt {
  color: #f08200;
}
.pc-hl {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pc-hl:empty {
  display: none;
}
.pc-arrow {
  position: absolute;
  right: 18px;
  bottom: 16px;
  font-size: 15px;
  color: #f08200;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.pc-card:hover .pc-arrow {
  opacity: 1;
  transform: translateX(0);
}
.pb-empty {
  width: 100%;
  padding: 40px;
  text-align: center;
  color: #888;
  font-size: 14px;
}

/* 产品页微调：面包屑内容垂直居中；底色与主显示区统一白色 */
.dq_section {
  padding: 23px 100px 23px !important;
  background: #ffffff !important;
}

/* 响应式 */
@media (max-width: 1200px) {
  .szh_section1 .u1 > li.l1,
  .pb-grid > li.l1 {
    width: 50%;
  }
}
@media (max-width: 1024px) {
  .pb-nav {
    position: static;
    top: auto;
  }
  .pb-block {
    scroll-margin-top: 110px;
  }
}
@media (max-width: 768px) {
  .szh_section1 .u1 > li.l1,
  .pb-grid > li.l1 {
    width: 100%;
  }
  .pb-block {
    padding: 40px 0 4px;
  }
  .pb-block .w_width {
    padding: 0 12px;
  }
  .pb-nav .w_width {
    padding: 0 12px;
  }
  .pc-card {
    min-height: 88px;
    padding: 16px 18px;
    gap: 14px;
  }
  .pc-ico {
    width: 46px;
    height: 46px;
  }
  .pc-ico svg {
    width: 22px;
    height: 22px;
  }
  .pc-bt {
    font-size: 15px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .pc-card, .pb-nav a, .pb-tabs a, .pc-ico, .pc-arrow {
    transition: none;
  }
  .pc-card:active {
    transform: none;
  }
  .pb-title {
    animation: none;
  }
}

/* 产品区宽度对齐：与解决方案/客户案例页主显示区一致（w_width + ctext 100px） */
.pb-block .w_width {
  padding: 0 100px;
  box-sizing: border-box;
}
.pb-block .u1.pb-grid {
  margin-left: 0 !important;
  margin-right: 0 !important;
  width: 100%;
}