/* ===== Product detail page: landing style dark theme ===== */

.not-found {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 88px;
}

.not-found h1,
.not-found h2 { color: #F5F5F5; }
.not-found p { color: var(--text-mid); }

.pd-hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 84px;
  background:
    radial-gradient(circle at 50% 0%, rgba(156, 200, 41, 0.12), transparent 34%),
    linear-gradient(180deg, #252525 0%, #000000 100%);
}

.pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 28%, rgba(156, 200, 41, 0.08), transparent 28%),
    radial-gradient(circle at 20% 78%, rgba(0, 0, 0, 0.18), transparent 20%);
  pointer-events: none;
}

.pd-breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 32px;
  color: var(--text-light);
  font-size: 13px;
}

.pd-breadcrumb a:hover { color: #F5F5F5; }
.pd-breadcrumb span:last-child { color: #F5F5F5; }

.pd-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 44px;
  align-items: center;
}

.pd-hero-visual {
  aspect-ratio: 1 / 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, #252525, #000000);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.pd-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pd-img-placeholder { color: rgba(255, 255, 255, 0.24); }

.pd-hero-text {
  max-width: 520px;
}

.pd-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 8px 16px;
  border: 1px solid rgba(156, 200, 41, 0.22);
  border-radius: 999px;
  background: rgba(156, 200, 41, 0.12);
  color: #c8ea67;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.pd-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
}

.pd-hero-text h1 {
  margin-bottom: 12px;
  color: #F5F5F5;
  font-size: 44px;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.pd-subtitle {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
  line-height: 1.6;
}

.pd-hero-desc,
.pd-copy p,
.pd-info-card p,
.pd-tech-item p,
.pd-scenario-card p,
.pd-related-desc,
.pd-related-features li,
.pd-compat-desc,
.pd-compat-list li,
.pd-faq-a {
  text-align: justify;
  text-align-last: left;
}

.pd-hero-desc {
  margin-bottom: 18px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.95;
}

.pd-price {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 10px 16px;
  border-radius: 999px;
  background: #252525;
  color: #F5F5F5;
  border: 1px solid rgba(156, 200, 41, 0.28);
  font-weight: 800;
}

.pd-hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 22px;
}

.pd-hero-metric {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #252525;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.pd-hero-metric::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pd-hero-metric::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(156, 200, 41, 0.42);
  border-radius: inherit;
  opacity: 0;
  box-shadow: inset 0 0 0 1px rgba(156, 200, 41, 0.12), 0 0 0 1px rgba(156, 200, 41, 0.08), 0 18px 36px rgba(156, 200, 41, 0.1);
  transition: opacity var(--transition);
  pointer-events: none;
}

.pd-hero-metric:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(156, 200, 41, 0.12);
  border-color: rgba(156, 200, 41, 0.3);
  background: linear-gradient(180deg, #2a2a2a, #000000);
}

.pd-hero-metric:hover::before,
.pd-hero-metric:hover::after { opacity: 1; }

.pd-hero-metric-label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-light);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pd-hero-metric strong {
  display: block;
  color: #F5F5F5;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
}

.pd-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.pd-tags span {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #252525;
  color: var(--text-mid);
  font-size: 13px;
  font-weight: 600;
}

.pd-hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.pd-overview { max-width: 1160px; }

.pd-copy {
  max-width: 860px;
  margin: 0 auto 52px;
}

.pd-copy p {
  margin-bottom: 16px;
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.95;
}

.pd-points-head { margin-top: 18px; margin-bottom: 28px; }
.pd-lead {
  max-width: 760px;
  margin: 0 auto 48px;
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.9;
  text-align: center;
}

.pd-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pd-point {
  position: relative;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, #252525, #000000);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.pd-point::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pd-point::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(156, 200, 41, 0.42);
  border-radius: inherit;
  opacity: 0;
  box-shadow: inset 0 0 0 1px rgba(156, 200, 41, 0.12), 0 0 0 1px rgba(156, 200, 41, 0.08), 0 18px 36px rgba(156, 200, 41, 0.1);
  transition: opacity var(--transition);
  pointer-events: none;
}

.pd-point:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(156, 200, 41, 0.12);
  border-color: rgba(156, 200, 41, 0.3);
  background: linear-gradient(180deg, #2a2a2a, #000000);
}

.pd-point:hover::before { opacity: 1; }
.pd-point:hover::after { opacity: 1; }

.pd-point-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: rgba(156, 200, 41, 0.14);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
}

.pd-point h4 {
  margin-bottom: 8px;
  color: #F5F5F5;
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.pd-point p {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.85;
}

.pd-section-head,
.pd-related-head {
  margin-bottom: 44px;
  text-align: center;
}

.pd-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary);
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.pd-section-head h2,
.pd-related-head h2 {
  margin: 0;
  color: #F5F5F5;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.2;
}

.pd-section-head p,
.pd-related-head p {
  max-width: 760px;
  margin: 14px auto 0;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.85;
  text-align: center;
}

/* ===== Why ===== */
.pd-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  background: #000000;
}

.pd-info-card {
  min-height: 220px;
  padding: 36px 28px;
  background: #000000;
}

.pd-info-card:hover { background: #252525; }

.pd-info-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(156, 200, 41, 0.78);
  background: rgba(156, 200, 41, 0.12);
  font-weight: 900;
}

.pd-info-card h3,
.pd-tech-item h3 {
  margin-bottom: 10px;
  color: #F5F5F5;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
  white-space: nowrap;
}

.pd-info-card p,
.pd-tech-item p,
.pd-scenario-card p {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.86;
}

/* ===== Tech ===== */
.pd-tech-list {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pd-tech-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, #252525, #000000);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.pd-tech-item > span {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(156, 200, 41, 0.88);
  background: rgba(156, 200, 41, 0.14);
  font-size: 18px;
  font-weight: 900;
}

.pd-tech-item::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pd-tech-item::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(156, 200, 41, 0.42);
  border-radius: inherit;
  opacity: 0;
  box-shadow: inset 0 0 0 1px rgba(156, 200, 41, 0.12), 0 0 0 1px rgba(156, 200, 41, 0.08), 0 18px 36px rgba(156, 200, 41, 0.1);
  transition: opacity var(--transition);
  pointer-events: none;
}

.pd-tech-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(156, 200, 41, 0.12);
  border-color: rgba(156, 200, 41, 0.3);
  background: linear-gradient(180deg, #2a2a2a, #000000);
}

.pd-tech-item:hover::before,
.pd-tech-item:hover::after { opacity: 1; }

/* ===== Tables ===== */
.pd-specs-card,
.pd-spec-table-wrap {
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(180deg, #252525, #000000);
  box-shadow: var(--shadow-sm);
}

.pd-specs-card { max-width: 820px; margin: 0 auto; }
.pd-spec-tables { display: grid; gap: 22px; }

.pd-spec-tabs {
  display: inline-flex;
  gap: 6px;
  margin: 0 0 24px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #252525;
}

.pd-spec-tab {
  min-height: 42px;
  padding: 10px 18px;
  border: none;
  border-radius: 10px;
  background: #000000;
  color: var(--text-mid);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.pd-spec-tab:hover {
  color: #F5F5F5;
}

.pd-spec-tab.is-active {
  background: var(--primary);
  color: #1a1a1a;
  box-shadow: 0 8px 20px rgba(156, 200, 41, 0.16);
}

.pd-spec-panel { display: none; }
.pd-spec-panel.is-active { display: block; }

#specs .card-table table,
#specs .card-table th,
#specs .card-table td {
  text-align: center;
}

#specs .card-table th,
#specs .card-table td {
  vertical-align: middle;
}

#selection .card-table-title,
#selection .card-table table,
#selection .card-table th,
#selection .card-table td {
  text-align: center;
}

#selection .card-table th,
#selection .card-table td {
  vertical-align: middle;
}

/* 选型建议表格：表头不换行，正文列保持最小宽度 */
#selection .card-table th {
  white-space: nowrap;
}
#selection .card-table td {
  min-width: 6em;
}
/* 前两列（流程编号、名称）内容不换行，第三列起自由换行 */
#selection .card-table td:nth-child(1),
#selection .card-table td:nth-child(2) {
  white-space: nowrap;
  min-width: 0;
}
/* 第三列起（内容列）文字左对齐 */
#selection .card-table td:nth-child(n+3) {
  text-align: left;
}

.pd-spec-table-wrap h3 {
  padding: 20px 24px;
  color: #F5F5F5;
  font-size: 18px;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
}

.pd-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.pd-table thead th,
.pd-table th {
  padding: 16px 20px;
  color: #F5F5F5;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  vertical-align: middle;
  background: #000000;
  border-right: 1px solid var(--border-light);
}

.pd-table td {
  padding: 16px 20px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.75;
  text-align: center;
  vertical-align: middle;
  border-right: 1px solid var(--border-light);
  word-break: break-word;
}

.pd-table tr { border-bottom: 1px solid var(--border-light); }
.pd-table tr:last-child { border-bottom: none; }
.pd-table th:last-child,
.pd-table td:last-child { border-right: none; }
.pd-table tbody tr:hover { background: #252525; }

/* ===== Steps ===== */
.pd-steps {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.pd-step {
  flex: 0 0 200px;
  text-align: center;
}

.pd-step-num {
  width: 54px;
  height: 54px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #17120f;
  font-size: 16px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(156, 200, 41, 0.18);
}

.pd-step h4 {
  margin-bottom: 6px;
  color: #F5F5F5;
  font-size: 16px;
  font-weight: 700;
}

.pd-step p {
  color: var(--text-mid);
  font-size: 13px;
  line-height: 1.7;
}

.pd-step-connector {
  width: 72px;
  height: 1px;
  margin-top: 26px;
  background: #252525;
}

/* ===== Scenarios ===== */
.pd-scenarios {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.pd-scenario-card {
  padding: 30px 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, #252525, #000000);
  text-align: left;
}

.pd-scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(156, 200, 41, 0.24);
}

.pd-scenario-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: rgba(156, 200, 41, 0.14);
  color: var(--primary);
  font-size: 20px;
}

.pd-scenario-card h4 {
  color: #F5F5F5;
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.pd-scenario-card p { margin-top: 8px; }
.pd-scenario-table { max-width: 980px; margin: 28px auto 0; }

/* ===== Compat ===== */
.pd-compat-card {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 36px;
  border: 1px solid rgba(156, 200, 41, 0.16);
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(156, 200, 41, 0.12), transparent 30%),
    linear-gradient(180deg, #252525, #000000);
}

.pd-compat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.pd-compat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #17120f;
  font-size: 20px;
  font-weight: 800;
}

.pd-compat-head h3 {
  color: #F5F5F5;
  font-size: 20px;
  font-weight: 800;
}

.pd-compat-desc {
  margin-bottom: 14px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.84;
}

.pd-compat-list li {
  position: relative;
  padding: 10px 0 10px 18px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.8;
  border-bottom: 1px solid var(--border-light);
}

.pd-compat-list li:last-child { border-bottom: none; }

.pd-compat-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
}

/* ===== FAQ ===== */
.pd-faq { max-width: 860px; margin: 0 auto; }

.pd-faq-item {
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, #252525, #000000);
}

.pd-faq-item[open] { border-color: rgba(156, 200, 41, 0.24); }

.pd-faq-q {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  color: #F5F5F5;
  font-size: 16px;
  font-weight: 700;
}

.pd-faq-q::-webkit-details-marker { display: none; }
.pd-faq-q svg { color: var(--primary); flex-shrink: 0; transition: transform var(--transition); }
.pd-faq-item[open] .pd-faq-q svg { transform: rotate(180deg); }

.pd-faq-a {
  padding: 0 22px 20px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.85;
}

/* ===== Related ===== */
.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pd-related-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(180deg, #252525, #000000);
}

.pd-related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(156, 200, 41, 0.24);
}

.pd-related-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #000000;
  border-bottom: 1px solid var(--border-light);
}

.pd-related-img img {
  max-height: 100%;
  object-fit: contain;
}

.pd-related-body { padding: 24px; }

.pd-related-body h4 {
  margin-bottom: 4px;
  color: #F5F5F5;
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pd-related-body .sub {
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

.pd-related-desc {
  margin: 0 0 10px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.82;
}

.pd-related-features {
  margin: 0 0 14px;
  padding: 0;
}

.pd-related-features li {
  position: relative;
  margin-bottom: 7px;
  padding-left: 16px;
  color: var(--text-mid);
  font-size: 13px;
  line-height: 1.76;
}

.pd-related-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.pd-related-body .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.pd-related-body .tags span {
  padding: 7px 12px;
  border-radius: 12px;
  background: rgba(156, 200, 41, 0.1);
  color: #c8ea67;
  font-size: 11px;
  font-weight: 700;
}

.pd-related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}

.pd-related-link:hover { gap: 10px; }

/* ===== CTA ===== */
.pd-cta {
  padding: 88px 0;
  background:
    radial-gradient(circle at top, rgba(156, 200, 41, 0.12), transparent 34%),
    linear-gradient(135deg, #252525 0%, #000000 100%);
}

.pd-cta h2 {
  margin-bottom: 10px;
  color: #F5F5F5;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
}

.pd-cta p {
  max-width: 720px;
  margin: 0 auto 28px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.85;
}

.pd-cta-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.pd-cta-btns .btn {
  min-width: 198px;
}

.pd-reveal {
  opacity: 0;
  transform: translateY(var(--slide-up, 36px));
  transition: opacity var(--dur-enter, 0.7s) var(--ease-out, ease), transform var(--dur-enter, 0.7s) var(--ease-out, ease);
}

.pd-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(var(--slide-up, 36px)); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pd-img-enter {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.pd-hero-visual { animation: pd-img-enter 0.8s 0.24s var(--ease-out, ease) both; }
.pd-badge,
.pd-hero-text h1,
.pd-subtitle,
.pd-hero-desc,
.pd-price,
.pd-tags,
.pd-hero-btns { animation: hero-fade-up 0.7s var(--ease-out, ease) both; }
.pd-badge { animation-delay: 0.08s; }
.pd-hero-text h1 { animation-delay: 0.16s; }
.pd-subtitle { animation-delay: 0.26s; }
.pd-hero-desc { animation-delay: 0.36s; }
.pd-price { animation-delay: 0.44s; }
.pd-tags { animation-delay: 0.52s; }
.pd-hero-btns { animation-delay: 0.60s; }

@media (max-width: 1180px) {
  .pd-points { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-scenarios { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .pd-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pd-hero-text,
  .pd-copy { max-width: none; }

  .pd-hero-text,
  .pd-breadcrumb { text-align: center; justify-content: center; }
  .pd-tags, .pd-hero-btns { justify-content: center; }

  .pd-hero-visual {
    width: min(100%, 520px);
    margin: 0 auto;
  }
  .pd-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-info-card h3,
  .pd-tech-item h3,
  .pd-scenario-card h4,
  .pd-point h4 { white-space: normal; }
  .pd-spec-tabs { display: flex; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .pd-hero { padding: 92px 0 64px; }
  .pd-hero-text h1 { white-space: normal; font-size: 30px; }
  .pd-subtitle { font-size: 16px; }
  .pd-hero-metrics { grid-template-columns: 1fr; }
  .pd-points,
  .pd-card-grid,
  .pd-scenarios,
  .pd-related-grid { grid-template-columns: 1fr; }
  .pd-tech-item { grid-template-columns: 1fr; gap: 16px; padding: 24px; }
  .pd-steps { flex-direction: column; align-items: center; gap: 20px; }
  .pd-step-connector { width: 1px; height: 28px; margin-top: 0; }
  .pd-table th,
  .pd-table td { padding: 14px 16px; }
  .pd-wide-table { min-width: 680px; }
  .pd-spec-table-wrap { overflow-x: auto; }
  .pd-cta-btns { flex-direction: column; }
  .pd-cta-btns .btn { width: min(100%, 320px); }
}

@media (prefers-reduced-motion: reduce) {
  .pd-hero-visual,
  .pd-badge,
  .pd-hero-text h1,
  .pd-subtitle,
  .pd-hero-desc,
  .pd-price,
  .pd-tags,
  .pd-hero-btns,
  .pd-reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}