.page-products {
  --page-gutter: clamp(18px, 4vw, 48px);
  --page-radius: 22px;
  --panel-card-bg: linear-gradient(150deg, rgba(13, 43, 82, 0.96), rgba(11, 30, 58, 0.92));
  overflow-x: hidden;
  background: var(--c-ink);
  color: var(--c-white);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .app-hero {
  position: relative;
  padding: calc(var(--header-total) + 28px) 0 56px;
  background:
    radial-gradient(circle at 85% 20%, rgba(198, 255, 0, 0.14), transparent 38%),
    radial-gradient(circle at 12% 82%, rgba(245, 197, 24, 0.1), transparent 32%),
    linear-gradient(135deg, var(--c-night) 0%, var(--c-ink) 55%, var(--c-charcoal) 100%);
}

.page-products .hero-bg-word {
  position: absolute;
  right: -0.08em;
  bottom: -0.04em;
  font-family: var(--font-head);
  font-size: clamp(6rem, 18vw, 15rem);
  font-weight: 900;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(198, 255, 0, 0.4);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.page-products .hero-grid {
  display: grid;
  gap: 36px;
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.9rem;
  color: var(--c-steel);
}

.page-products .breadcrumb a {
  color: var(--c-steel);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-products .breadcrumb a:hover {
  color: var(--c-lime);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--c-white);
}

.page-products .app-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(2.1rem, 5vw, 4.4rem);
  line-height: 1.14;
  max-width: 11em;
}

.page-products .hero-lead {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  color: rgba(255, 255, 255, 0.86);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-products .stat-item {
  flex: 1 1 120px;
  padding: 14px 16px;
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
}

.page-products .stat-num {
  display: block;
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-lime);
  line-height: 1.1;
}

.page-products .stat-label {
  font-size: 0.88rem;
  color: var(--c-steel);
}

.page-products .hero-visual {
  position: relative;
  z-index: 1;
}

.page-products .hero-shot {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-brd);
  box-shadow: var(--shadow);
  background: var(--c-night);
}

.page-products .hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .hero-float-card {
  position: absolute;
  right: 16px;
  bottom: -18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(198, 255, 0, 0.3);
  border-radius: var(--radius-pill);
  background: rgba(11, 30, 58, 0.9);
  backdrop-filter: blur(12px);
  font-family: var(--font-head);
  font-size: 0.88rem;
  box-shadow: var(--shadow);
}

.page-products .hero-float-card .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 0, 0.18);
}

.page-products .hero-float-card strong {
  font-weight: 700;
}

.page-products .hero-float-card span {
  color: var(--c-steel);
}

.page-products .skill-section {
  position: relative;
  padding: 64px 0 72px;
  background:
    linear-gradient(rgba(176, 196, 222, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 196, 222, 0.05) 1px, transparent 1px),
    var(--c-night);
  background-size: 44px 44px;
}

.page-products .app-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin-bottom: 34px;
}

.page-products .app-head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.12;
}

.page-products .head-note {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--c-steel);
  text-align: right;
  padding-bottom: 0.4em;
}

.page-products .overview-copy {
  max-width: 44em;
  margin: 0 0 42px;
  color: rgba(255, 255, 255, 0.84);
}

.page-products .skill-map {
  position: relative;
}

.page-products .skill-root {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: max-content;
  margin: 0 auto;
  padding: 14px 30px;
  border: 1px solid rgba(198, 255, 0, 0.4);
  border-radius: var(--radius-pill);
  background: linear-gradient(145deg, rgba(198, 255, 0, 0.12), rgba(11, 30, 58, 0.9));
  box-shadow: 0 0 40px rgba(198, 255, 0, 0.16);
  position: relative;
  z-index: 2;
}

.page-products .root-cn {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--c-white);
}

.page-products .root-point {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 0, 0.2);
  margin-top: 3px;
}

.page-products .skill-svg {
  display: none;
  width: 100%;
  height: 88px;
  margin: 8px 0 0;
}

.page-products .skill-branches {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 14px;
  margin-top: 4px;
}

.page-products .branch-card {
  position: relative;
  display: block;
  padding: 20px 16px 16px;
  background: var(--panel-card-bg);
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--c-white);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-products .branch-card::after {
  content: "";
  position: absolute;
  left: -20%;
  right: -20%;
  bottom: -60%;
  height: 120%;
  background: radial-gradient(circle at 50% 100%, rgba(198, 255, 0, 0.32), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.page-products .branch-card:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 0, 0.5);
  box-shadow: 0 14px 34px rgba(4, 12, 28, 0.5);
}

.page-products .branch-card:hover::after {
  opacity: 1;
}

.page-products .branch-card > * {
  position: relative;
  z-index: 1;
}

.page-products .branch-no {
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(198, 255, 0, 0.24);
}

.page-products .branch-card h3 {
  margin: 10px 0 6px;
  font-size: 1.08rem;
  line-height: 1.3;
}

.page-products .branch-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--c-steel);
  line-height: 1.5;
}

.page-products .panel-section {
  padding: 72px 0;
  background: var(--c-ink);
}

.page-products .panel-grid {
  display: grid;
  gap: 36px;
}

.page-products .lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
}

.page-products .steps-list {
  list-style: none;
  padding: 0;
  margin: 26px 0;
  counter-reset: app-step;
}

.page-products .steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(176, 196, 222, 0.14);
  font-size: 0.98rem;
}

.page-products .steps-list li span {
  min-width: 2em;
  font-family: var(--font-num);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-lime);
}

.page-products .data-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(176, 196, 222, 0.14);
  font-size: 0.96rem;
}

.page-products .data-row .data-value {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--c-lime);
}

.page-products .panel-figure {
  margin: 0;
}

.page-products .panel-figure .img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-brd);
  background: var(--c-night);
  box-shadow: var(--shadow);
}

.page-products .panel-figure img,
.page-products .remind-figure img,
.page-products .filter-figure img,
.page-products .sync-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .panel-figure figcaption,
.page-products .remind-figure figcaption,
.page-products .filter-figure figcaption,
.page-products .sync-figure figcaption {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--c-lime);
  font-size: 0.9rem;
  color: var(--c-steel);
}

.page-products .remind-section {
  padding: 72px 0;
  background: var(--c-paper);
  color: var(--c-charcoal);
}

.page-products .remind-section h2 {
  color: var(--c-ink);
}

.page-products .remind-section .head-note {
  color: rgba(11, 30, 58, 0.6);
}

.page-products .remind-section .lead {
  color: var(--c-charcoal);
}

.page-products .remind-grid {
  display: grid;
  gap: 36px;
}

.page-products .remind-points {
  list-style: none;
  padding: 0;
  margin: 26px 0;
}

.page-products .remind-points li {
  position: relative;
  padding: 14px 0 14px 36px;
  border-bottom: 1px solid rgba(11, 30, 58, 0.12);
  font-size: 1rem;
}

.page-products .remind-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(245, 197, 24, 0.24);
}

.page-products .remind-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 20px;
}

.page-products .remind-chip {
  padding: 8px 16px;
  border: 1px solid rgba(11, 30, 58, 0.24);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.44);
  font-family: var(--font-head);
  font-size: 0.9rem;
  color: var(--c-ink);
}

.page-products .remind-note {
  margin: 0;
  font-size: 0.94rem;
  color: rgba(18, 18, 18, 0.76);
}

.page-products .remind-figure img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.page-products .filter-section {
  padding: 72px 0;
  background: var(--c-ink);
}

.page-products .filter-demo {
  margin-top: 28px;
  padding: clamp(18px, 4vw, 36px);
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius-lg);
  background: rgba(13, 43, 82, 0.66);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.page-products .filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .filter-drop {
  position: relative;
  flex: 1 1 150px;
}

.page-products .filter-drop summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--font-head);
  font-size: 0.92rem;
  color: var(--c-white);
  cursor: pointer;
  list-style: none;
}

.page-products .filter-drop summary::-webkit-details-marker {
  display: none;
}

.page-products .filter-drop summary::after {
  content: "▾";
  color: var(--c-lime);
}

.page-products .filter-drop ul {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 10;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: var(--c-night);
  border: 1px solid rgba(198, 255, 0, 0.32);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-products .filter-drop li a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--c-white);
  text-decoration: none;
}

.page-products .filter-drop li a:hover {
  background: rgba(198, 255, 0, 0.14);
  color: var(--c-lime);
}

.page-products .filter-result-grid {
  display: grid;
  gap: 24px;
}

.page-products .filter-figure {
  margin: 0;
}

.page-products .filter-figure img {
  border-radius: var(--radius);
  border: 1px solid var(--glass-brd);
}

.page-products .filter-table-wrap {
  overflow-x: auto;
  min-width: 0;
}

.page-products .filter-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
}

.page-products .filter-table th {
  padding: 10px 12px;
  border-bottom: 2px solid rgba(198, 255, 0, 0.32);
  text-align: left;
  font-family: var(--font-head);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--c-lime);
}

.page-products .filter-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
}

.page-products .filter-table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.03);
}

.page-products .table-note {
  margin: 14px 0 0;
  font-size: 0.86rem;
  color: var(--c-steel);
}

.page-products .sync-section {
  padding: 72px 0;
  background:
    radial-gradient(circle at 90% 15%, rgba(198, 255, 0, 0.1), transparent 32%),
    linear-gradient(135deg, var(--c-night) 0%, var(--c-ink) 60%, var(--c-charcoal) 100%);
}

.page-products .sync-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-products .sync-flow {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
  counter-reset: sync-node;
}

.page-products .sync-node {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(176, 196, 222, 0.14);
  counter-increment: sync-node;
}

.page-products .sync-node::before {
  content: counter(sync-node, decimal-leading-zero);
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-lime);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-lime);
}

.page-products .sync-node strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.05rem;
}

.page-products .sync-node p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--c-steel);
}

.page-products .sync-note {
  margin: 22px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--c-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(245, 197, 24, 0.08);
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.86);
}

.page-products .sync-figure img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.page-products .version-section {
  padding: 72px 0;
  background: var(--c-ink);
}

.page-products .timeline-wrap {
  margin-top: 34px;
}

.page-products .timeline-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 24px 4px 28px;
  scroll-snap-type: x mandatory;
  position: relative;
}

.page-products .timeline-rail::before {
  content: "";
  position: absolute;
  top: 44px;
  left: 4px;
  right: 4px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(198, 255, 0, 0.6) 20%, rgba(198, 255, 0, 0.6) 80%, transparent);
  border-radius: 999px;
}

.page-products .version-card {
  flex: 0 0 260px;
  scroll-snap-align: start;
  position: relative;
  padding: 18px;
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  background: rgba(13, 43, 82, 0.72);
  box-shadow: 0 10px 30px rgba(4, 12, 28, 0.4);
}

.page-products .version-card::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 24px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 0, 0.18), 0 0 18px rgba(198, 255, 0, 0.6);
}

.page-products .ver-year {
  font-family: var(--font-num);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--c-lime);
}

.page-products .version-card h3 {
  margin: 8px 0 6px;
  font-size: 1.18rem;
}

.page-products .version-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--c-steel);
  line-height: 1.55;
}

.page-products .version-more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-size: 1rem;
}

.page-products .version-more .link-arrow {
  color: var(--c-lime);
  text-decoration: none;
  font-family: var(--font-head);
}

.page-products .version-more .link-arrow:hover {
  text-decoration: underline;
}

.page-products .version-sep {
  color: var(--c-steel);
}

.page-products .env-section {
  padding: 72px 0;
  background: var(--c-paper);
  color: var(--c-charcoal);
}

.page-products .env-section h2 {
  color: var(--c-ink);
}

.page-products .env-section .head-note {
  color: rgba(11, 30, 58, 0.6);
}

.page-products .env-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .env-card {
  padding: 20px;
  border: 1px solid rgba(11, 30, 58, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
}

.page-products .env-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 1.08rem;
  color: var(--c-ink);
}

.page-products .env-card h3::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--c-gold);
}

.page-products .env-card p {
  margin: 8px 0 0;
  font-size: 0.95rem;
  color: rgba(18, 18, 18, 0.78);
}

.page-products .env-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(11, 30, 58, 0.16);
}

.page-products .env-tip {
  margin: 0;
  font-size: 0.94rem;
}

.page-products .env-tip a {
  color: var(--c-ink);
  font-weight: 700;
}

.page-products .env-cta {
  margin: 0;
  font-family: var(--font-head);
  font-size: 0.96rem;
}

.page-products .env-cta a {
  color: var(--c-ink);
  text-decoration: none;
}

.page-products .env-cta a:hover {
  color: #0B6B4A;
}

@media (min-width: 680px) {
  .page-products .skill-branches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .env-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .filter-result-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-products .skill-svg {
    display: block;
  }

  .page-products .skill-branches {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .panel-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .remind-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .sync-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-products .timeline-rail {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow: visible;
  }

  .page-products .timeline-rail::before {
    top: 44px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .js .page-products [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .js .page-products [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }

  .js .page-products [data-reveal-delay="1"] {
    transition-delay: 0.08s;
  }

  .js .page-products [data-reveal-delay="2"] {
    transition-delay: 0.16s;
  }

  .js .page-products [data-reveal-delay="3"] {
    transition-delay: 0.24s;
  }

  .js .page-products [data-reveal-delay="4"] {
    transition-delay: 0.32s;
  }

  .js .page-products [data-reveal-delay="5"] {
    transition-delay: 0.4s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
  }
}