/* ==========================================================================
   检存智控建站 checknsave.com - 页面专用样式表
   各页面独立模块样式，紫绿橙潮玩风
   ========================================================================== */

/* ---------- 首页英雄区 ---------- */
.hero-home {
  padding: 148px 0 84px;
  background:
    radial-gradient(ellipse at 15% 18%, rgba(139, 92, 246, 0.16) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 82%, rgba(16, 185, 129, 0.14) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 50%, rgba(249, 115, 22, 0.06) 0%, transparent 60%),
    linear-gradient(135deg, var(--mist) 0%, var(--cloud) 40%, var(--violet-50) 100%);
  position: relative;
  overflow: hidden;
}
.hero-home::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  background: linear-gradient(225deg, rgba(139, 92, 246, 0.07) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-text .eyebrow { margin-bottom: 24px; }
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  line-height: 1.18;
  margin-bottom: 24px;
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--violet-600), var(--emerald-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title .accent-orange {
  background: linear-gradient(135deg, var(--orange-500), var(--violet-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px dashed var(--line);
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--violet-600);
  line-height: 1;
}
.hero-stat .lbl {
  font-size: 0.88rem;
  color: var(--ink-500);
  margin-top: 6px;
}

/* 英雄区右侧拼布 */
.hero-quilt {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 14px;
}
.q-cell {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.q-cell img { width: 100%; height: 100%; object-fit: cover; }
.q-cell.q1 {
  grid-column: 1 / -1;
  height: 270px;
}
.q-cell.q2, .q-cell.q3 {
  height: 135px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
}
.q-cell.q2 {
  background: linear-gradient(135deg, var(--violet-100), var(--violet-200));
}
.q-cell.q3 {
  background: linear-gradient(135deg, var(--emerald-100), var(--emerald-200));
}
.q-badge {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--violet-700);
  z-index: 2;
}

/* ---------- 核心优势四象限 ---------- */
.advantage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.adv-quadrant {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  position: relative;
  transition: all .4s var(--ease);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}
.adv-quadrant::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--violet-500), var(--emerald-400));
}
.adv-quadrant:nth-child(2)::before { background: linear-gradient(90deg, var(--emerald-400), var(--orange-400)); }
.adv-quadrant:nth-child(3)::before { background: linear-gradient(90deg, var(--orange-400), var(--violet-500)); }
.adv-quadrant:nth-child(4)::before { background: linear-gradient(90deg, var(--violet-500), var(--orange-400)); }
.adv-quadrant:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-neon);
}
.adv-quadrant .ico {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--violet-100), var(--violet-200));
  display: grid; place-items: center;
  color: var(--violet-700);
  margin-bottom: 20px;
}
.adv-quadrant:nth-child(2) .ico { background: linear-gradient(135deg, var(--emerald-100), var(--emerald-200)); color: var(--emerald-700); }
.adv-quadrant:nth-child(3) .ico { background: linear-gradient(135deg, var(--orange-100), var(--orange-200)); color: var(--orange-700); }
.adv-quadrant:nth-child(4) .ico { background: linear-gradient(135deg, var(--violet-50), var(--emerald-100)); color: var(--violet-700); }
.adv-quadrant h3 { margin-bottom: 12px; }
.adv-quadrant p { font-size: 0.95rem; line-height: 1.8; }

/* ---------- 服务流程轨道 ---------- */
.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-step {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--violet-200);
}
.step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet-600), var(--emerald-500));
  color: #fff;
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0 auto 16px;
}
.process-step h4 { margin-bottom: 10px; }

/* ---------- 案例卡片 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  display: block;
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--violet-200);
}
.case-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case-card:hover .case-img img { transform: scale(1.06); }
.case-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--violet-700);
}
.case-body { padding: 24px; }
.case-title { font-size: 1.15rem; margin-bottom: 10px; }
.case-desc { font-size: 0.9rem; color: var(--ink-500); margin-bottom: 16px; line-height: 1.7; }
.case-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--ink-300);
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* ---------- 数据统计带 ---------- */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: linear-gradient(135deg, var(--night-900), var(--violet-800));
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--emerald-400);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-lbl {
  font-size: 0.92rem;
  color: rgba(196, 181, 253, 0.85);
}

/* ---------- 资讯卡片 ---------- */
.news-quilt {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  display: block;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--violet-200);
}
.news-img {
  height: 180px;
  overflow: hidden;
}
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-body { padding: 22px; }
.news-date {
  font-size: 0.82rem;
  color: var(--violet-600);
  font-weight: 700;
  margin-bottom: 8px;
}
.news-title {
  font-size: 1.08rem;
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-excerpt {
  font-size: 0.88rem;
  color: var(--ink-500);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.news-foot {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--ink-300);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

/* ---------- CTA横幅 ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--violet-600), var(--emerald-500));
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p { color: rgba(255, 255, 255, 0.9); font-size: 1.02rem; }

/* ---------- 资讯列表页 ---------- */
.news-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--line);
}
.filter-chip {
  padding: 8px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--ink-500);
  transition: all .3s var(--ease);
  cursor: pointer;
}
.filter-chip:hover, .filter-chip.active {
  background: var(--violet-100);
  border-color: var(--violet-300);
  color: var(--violet-700);
}
.news-list-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ---------- 文章详情页 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
}
.article-main {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--line-soft);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px dashed var(--line);
  font-size: 0.88rem;
  color: var(--ink-500);
}
.article-meta .author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-meta .avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet-500), var(--emerald-500));
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.article-body {
  font-size: 1.02rem;
  line-height: 2;
  color: var(--ink-700);
}
.article-body img {
  border-radius: var(--radius);
  margin-bottom: 28px;
  width: 100%;
}
.article-body p { margin-bottom: 20px; color: var(--ink-700); }
.article-body h2, .article-body h3 { margin: 32px 0 16px; }

/* 侧边栏 */
.article-side { position: sticky; top: 100px; align-self: start; }
.side-block {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid var(--line-soft);
}
.side-block h4 {
  font-size: 1rem;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  display: flex;
  align-items: center;
}
.side-news-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: all .3s var(--ease);
}
.side-news-item:last-child { border-bottom: 0; }
.side-news-item:hover { padding-left: 4px; }
.side-news-item .thumb {
  width: 80px; height: 60px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.side-news-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.side-news-item .info { flex: 1; min-width: 0; }
.side-news-item .t-title {
  font-size: 0.88rem;
  color: var(--ink-700);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.side-news-item:hover .t-title { color: var(--violet-600); }
.side-news-item .t-date {
  font-size: 0.76rem;
  color: var(--ink-300);
}

/* ---------- 服务详情页 ---------- */
.service-detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.service-detail-hero .sd-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 360px;
}
.service-detail-hero .sd-img img { width: 100%; height: 100%; object-fit: cover; }
.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.sf-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.sf-item .sf-ico {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--violet-100);
  color: var(--violet-700);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sf-item h5 { font-size: 0.95rem; margin-bottom: 4px; }
.sf-item p { font-size: 0.85rem; line-height: 1.6; }

/* ---------- 价格卡片 ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.price-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  position: relative;
}
.price-card.featured {
  border-color: var(--violet-400);
  box-shadow: var(--shadow-neon);
  transform: scale(1.03);
}
.price-card.featured::before {
  content: "推荐";
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  background: linear-gradient(135deg, var(--violet-600), var(--emerald-500));
  color: #fff;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.price-card.featured:hover { transform: scale(1.03) translateY(-6px); }
.price-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink-900);
  margin-bottom: 8px;
}
.price-amount {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--violet-600);
  margin: 16px 0;
}
.price-amount small { font-size: 0.9rem; color: var(--ink-300); font-weight: 400; }
.price-features { margin: 24px 0; }
.price-features li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.92rem;
  color: var(--ink-500);
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-features li::before {
  content: "✓";
  color: var(--emerald-500);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: all .3s var(--ease);
}
.faq-item.open { border-color: var(--violet-200); box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 22px 28px;
  font-weight: 700;
  color: var(--ink-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--violet-600);
  transition: transform .3s var(--ease);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), padding .4s var(--ease);
  padding: 0 28px;
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 28px 24px;
}
.faq-a p { font-size: 0.95rem; line-height: 1.8; }

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 12px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--violet-400), var(--emerald-400), var(--orange-400));
}
.timeline-item {
  position: relative;
  padding-bottom: 40px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--violet-600);
}
.timeline-year {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--violet-600);
  margin-bottom: 8px;
}
.timeline-item h4 { margin-bottom: 8px; }
.timeline-item p { font-size: 0.95rem; }

/* ---------- 团队卡片 ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  text-align: center;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.team-avatar {
  width: 100%;
  height: 240px;
  overflow: hidden;
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-info { padding: 20px; }
.team-info h4 { margin-bottom: 4px; }
.team-role { font-size: 0.85rem; color: var(--violet-600); font-weight: 700; }

/* ---------- 合作伙伴 ---------- */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.partner-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--line-soft);
  transition: all .3s var(--ease);
  font-weight: 700;
  color: var(--ink-500);
  font-size: 0.92rem;
}
.partner-item:hover { border-color: var(--violet-200); color: var(--violet-600); transform: translateY(-3px); }

/* ---------- 联系页面 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}
.contact-info-card {
  background: linear-gradient(135deg, var(--night-900), var(--violet-800));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #DDD0FE;
}
.contact-info-card h3 { color: var(--mist); margin-bottom: 24px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-info-item .ci-ico {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-info-item h5 { color: var(--mist); font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-item p { color: rgba(196, 181, 253, 0.85); font-size: 0.9rem; }

/* ---------- 404页面 ---------- */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(16, 185, 129, 0.10) 0%, transparent 50%),
    var(--mist);
}
.error-code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--violet-600), var(--emerald-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 24px;
}

/* ---------- 网站地图 ---------- */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.sitemap-col h4 {
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--violet-200);
}
.sitemap-col ul li { margin-bottom: 10px; }
.sitemap-col ul li a { font-size: 0.92rem; color: var(--ink-500); }
.sitemap-col ul li a:hover { color: var(--violet-600); }

/* ---------- 解决方案卡片 ---------- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.solution-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--line-soft);
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--violet-500), var(--emerald-400));
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-neon);
}
.solution-card .sol-ico {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--violet-100), var(--violet-200));
  display: grid; place-items: center;
  color: var(--violet-700);
  margin-bottom: 20px;
}
.solution-card h3 { margin-bottom: 12px; }
.solution-card p { font-size: 0.93rem; margin-bottom: 18px; }
.solution-card .sol-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 文档卡片 ---------- */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.doc-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--line-soft);
  transition: all .35s var(--ease);
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.doc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--violet-200);
}
.doc-card .doc-ico {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--emerald-100);
  color: var(--emerald-700);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.doc-card h4 { font-size: 1rem; margin-bottom: 6px; }
.doc-card p { font-size: 0.85rem; color: var(--ink-500); }
.doc-card .doc-meta { font-size: 0.76rem; color: var(--ink-300); margin-top: 8px; }