.page-products {
  background: var(--felt);
  color: var(--paper);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-products .section {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .crumbs {
  margin-top: clamp(1rem, 3vw, 1.75rem);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.page-products .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .crumbs li {
  color: var(--muted);
}
.page-products .crumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--line);
}
.page-products .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  margin-top: clamp(1rem, 3vw, 1.75rem);
}
.page-products .prod-hero__frame {
  position: relative;
  padding: clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 86% -6%, rgba(43, 232, 200, 0.14), transparent 58%),
    linear-gradient(158deg, var(--felt-2), var(--felt) 74%);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}
.page-products .prod-hero__frame::before,
.page-products .prod-hero__frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  opacity: 0.75;
}
.page-products .prod-hero__frame::before {
  top: 14px;
  left: 14px;
  border-right: 0;
  border-bottom: 0;
}
.page-products .prod-hero__frame::after {
  right: 14px;
  bottom: 14px;
  border-top: 0;
  border-left: 0;
}
.page-products .prod-hero h1 {
  margin: 0.7rem 0 0;
  max-width: 22ch;
  font-size: clamp(1.85rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.02em;
}
.page-products .prod-hero__lead {
  margin-top: 1rem;
  max-width: 38em;
  color: var(--muted);
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.8;
}
.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.75rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}
.page-products .prod-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-left: 0.85rem;
  border-left: 1px solid var(--line);
}
.page-products .prod-hero__facts .mono {
  color: var(--cyan);
  font-size: 1rem;
  letter-spacing: 0.04em;
}
.page-products .prod-hero__facts li > span:last-child {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.6rem;
}

/* ---------- 路径图 ---------- */
.page-products .prod-map__intro {
  max-width: 36em;
  margin: 0.9rem 0 1.4rem;
  color: var(--muted);
  line-height: 1.8;
}
.page-products .pathmap {
  overflow-x: auto;
  padding: 0.25rem 0 1rem;
  -webkit-overflow-scrolling: touch;
}
.page-products .pathmap__track {
  display: flex;
  gap: 1.75rem;
  min-width: 780px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pathmap__item {
  position: relative;
  flex: 1 1 0;
  min-width: 132px;
}
.page-products .pathmap__item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1.75rem;
  width: 1.75rem;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 6px, transparent 6px 12px);
  opacity: 0.7;
}
.page-products .pathnode {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  height: 100%;
  padding: 0.95rem 1rem 1.05rem;
  border: 1px solid var(--line);
  background: linear-gradient(152deg, var(--panel), var(--felt-2));
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), background 0.2s var(--ease);
}
.page-products .pathnode:hover,
.page-products .pathnode:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}
.page-products .pathnode[aria-current="true"] {
  border-color: var(--cyan);
  background: linear-gradient(152deg, rgba(43, 232, 200, 0.18), var(--felt-2));
  box-shadow: inset 0 0 0 1px rgba(43, 232, 200, 0.35);
}
.page-products .pathnode__num {
  color: var(--amber);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}
.page-products .pathnode__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.page-products .pathnode__desc {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}
.page-products .pathnode__go {
  margin-top: auto;
  padding-top: 0.5rem;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}
.page-products .pathnode__go::after {
  content: " →";
}

/* ---------- 产品线分栏 ---------- */
.page-products .line {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
}
.page-products .line__body h2 {
  margin: 0.6rem 0 0.85rem;
  font-size: clamp(1.4rem, 3.6vw, 2.15rem);
  line-height: 1.22;
  letter-spacing: 0.02em;
}
.page-products .line__body > p {
  color: var(--muted);
  line-height: 1.8;
  max-width: 34em;
}
.page-products .line__fig {
  margin: 0;
}
.page-products .fig-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .ticks {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  max-width: 34em;
}
.page-products .ticks li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}
.page-products .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 回放与检索 ---------- */
.page-products .duo {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}
.page-products .duo__card {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--felt-2), var(--felt));
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.page-products .duo__card h3 {
  margin: 0.55rem 0 0.7rem;
  font-size: 1.15rem;
  line-height: 1.35;
}
.page-products .duo__card > p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
}

/* ---------- 对照表 ---------- */
.page-products .compare__fig {
  margin: 0 0 1.25rem;
}
.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--felt-2);
}
.page-products .cmp {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.page-products .cmp caption {
  padding: 0.85rem 1rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.page-products .cmp th,
.page-products .cmp td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--line);
}
.page-products .cmp thead th {
  background: var(--panel);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.page-products .cmp tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--felt-2);
  color: var(--paper);
  font-weight: 600;
  white-space: nowrap;
}
.page-products .cmp tbody td {
  color: var(--muted);
}
.page-products .cmp tbody tr:nth-child(even) td {
  background: rgba(23, 63, 56, 0.55);
}
.page-products .cmp tbody tr:hover td,
.page-products .cmp tbody tr:hover th,
.page-products .cmp tbody tr:focus-within td,
.page-products .cmp tbody tr:focus-within th {
  background: rgba(43, 232, 200, 0.12);
  box-shadow: inset 0 0 0 1px rgba(43, 232, 200, 0.4);
  color: var(--paper);
}
.page-products .compare__note {
  margin-top: 0.9rem;
  max-width: 40em;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
  padding-left: 0.9rem;
  border-left: 2px solid var(--amber);
}

/* ---------- 面板与版本 ---------- */
.page-products .ver {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}
.page-products .ver__body > p {
  color: var(--muted);
  line-height: 1.8;
  max-width: 34em;
}
.page-products .ver__body h2 {
  margin: 0.6rem 0 0.85rem;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.22;
}
.page-products .dash {
  display: flex;
  align-items: flex-end;
  gap: 0.3rem;
  width: max-content;
  max-width: 100%;
  margin: 1.3rem 0 0.9rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--panel), var(--felt-2));
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.page-products .dash__seg {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}
.page-products .dash__seg .mono {
  font-size: clamp(1.9rem, 7vw, 3rem);
  font-weight: 700;
  line-height: 1;
}
.page-products .dash__seg--major .mono {
  color: var(--amber);
}
.page-products .dash__seg--minor .mono {
  color: var(--cyan);
}
.page-products .dash__seg--patch .mono {
  color: var(--muted);
}
.page-products .dash__label {
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
}
.page-products .dash__dot {
  padding-bottom: 0.3rem;
  color: var(--line);
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 5vw, 1.9rem);
  line-height: 1;
}
.page-products .ver__sub {
  max-width: 34em;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}
.page-products .ver-more {
  margin-top: 1.1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
  max-width: 34em;
}
.page-products .ver-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  color: var(--cyan-soft);
  font-weight: 600;
  font-size: 0.95rem;
}
.page-products .ver-more summary::-webkit-details-marker {
  display: none;
}
.page-products .ver-more summary::after {
  content: "+";
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}
.page-products .ver-more[open] summary::after {
  content: "–";
}
.page-products .ver-more p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}
.page-products .ver__get {
  max-width: 34em;
  margin-top: 1rem;
  color: var(--paper);
  font-size: 0.92rem;
  line-height: 1.8;
  padding-left: 0.9rem;
  border-left: 2px solid var(--cyan);
}
.page-products .ver__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.2rem;
}
.page-products .ver__fig {
  margin: 0;
}

/* ---------- 场景 ---------- */
.page-products .scenes {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}
.page-products .scene {
  padding: clamp(1.05rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, var(--felt-2), var(--felt) 78%);
  border-top: 2px solid var(--cyan);
}
.page-products .scene:nth-child(2) {
  border-top-color: var(--amber);
}
.page-products .scene h3 {
  margin: 0.55rem 0 0.9rem;
  font-size: 1.08rem;
  line-height: 1.4;
}
.page-products .scene__list {
  margin: 0;
  display: grid;
  gap: 0.3rem;
}
.page-products .scene__list dt {
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}
.page-products .scene__list dd {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.page-products .scenes__fig {
  margin: 1.25rem 0 0;
}
.page-products .scenes__note {
  max-width: 42em;
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.85;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .page-products .scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .page-products .scene:nth-child(3) {
    grid-column: span 2;
    border-top-color: var(--cyan-soft);
  }
}

@media (min-width: 900px) {
  .page-products .pathmap {
    overflow-x: visible;
    padding-bottom: 0.5rem;
  }
  .page-products .pathmap__track {
    min-width: 0;
    gap: 2rem;
  }
  .page-products .pathmap__item:not(:last-child)::after {
    right: -2rem;
    width: 2rem;
  }
  .page-products .line--odd {
    grid-template-columns: 5fr 7fr;
  }
  .page-products .line--flip {
    grid-template-columns: 7fr 5fr;
  }
  .page-products .line--flip .line__body {
    order: 2;
  }
  .page-products .line--flip .line__fig {
    order: 1;
  }
  .page-products .ver {
    grid-template-columns: 7fr 5fr;
  }
  .page-products .scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .scene:nth-child(3) {
    grid-column: auto;
  }
  .page-products .prod-hero__frame {
    padding: clamp(2rem, 4vw, 3.25rem);
  }
}

@media (min-width: 1100px) {
  .page-products .line--odd {
    grid-template-columns: 4fr 8fr;
  }
  .page-products .line--flip {
    grid-template-columns: 8fr 4fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pathnode,
  .page-products .crumbs a {
    transition: none;
  }
  .page-products .pathnode:hover,
  .page-products .pathnode:focus-visible {
    transform: none;
  }
}