.page-products {
  background: var(--ink);
  color: var(--snow);
  overflow-x: hidden;
  font-family: var(--font-sans);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.page-products h1 {
  font-size: clamp(2.1rem, 6.2vw, 4rem);
}

.page-products h2 {
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
}

.page-products p {
  margin: 0;
  line-height: 1.8;
}

.page-products a {
  color: var(--teal);
}

.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* 面包屑 */
.page-products .crumb-bar {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--step-2);
  color: var(--muted);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--line);
}

.page-products .breadcrumb a {
  color: var(--teal);
  text-decoration: none;
}

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

/* 首屏 */
.page-products .products-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--line);
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(180deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.3;
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  top: -28%;
  right: -12%;
  width: min(62vw, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 43, 0.24), transparent 66%);
  pointer-events: none;
}

.page-products .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .hero-copy {
  border-left: 6px solid var(--orange);
  padding-left: clamp(1rem, 2.6vw, 1.9rem);
}

.page-products .hero-copy .eyebrow {
  margin-bottom: 0.9rem;
}

.page-products .mark {
  color: var(--orange);
}

.page-products .hero-lead {
  margin-top: 1.35rem;
  max-width: 42ch;
  font-size: var(--step-4);
  color: var(--snow);
  opacity: 0.92;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.85rem;
}

.page-products .hero-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .hero-specs li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.85rem 0.5rem 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .spec-key {
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .spec-val {
  font-size: var(--step-4);
  color: var(--snow);
}

.page-products .hero-panel {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 2px solid var(--line);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.4);
}

.page-products .panel-title {
  margin: 0 0 1.1rem;
  font-size: var(--step-2);
  letter-spacing: 0.2em;
  color: var(--teal);
}

.page-products .panel-list {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .panel-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
}

.page-products .panel-list dt {
  font-size: var(--step-3);
  color: var(--muted);
}

.page-products .panel-list dd {
  margin: 0;
  font-size: var(--step-4);
  font-weight: 700;
  color: var(--orange);
}

.page-products .panel-note {
  margin-top: 1.1rem;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--muted);
}

/* 功能带 */
.page-products .band {
  position: relative;
  overflow: hidden;
  padding: clamp(2.75rem, 7vw, 5.5rem) 0;
}

.page-products .band--ink {
  background: var(--ink);
}

.page-products .band--ink2 {
  background: var(--ink-2);
}

.page-products .band--ice {
  background: transparent;
  color: var(--snow);
}

.page-products .band--ice::before {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: -2.5rem;
  bottom: -2.5rem;
  background: var(--ice);
  transform: skewY(-1.6deg);
  z-index: 0;
}

.page-products .band--paper {
  background: transparent;
  color: var(--ink-paper);
}

.page-products .band--paper::before {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: -2.5rem;
  bottom: -2.5rem;
  background: var(--paper);
  transform: skewY(1.4deg);
  z-index: 0;
}

.page-products .band--paper a {
  color: var(--ice);
}

.page-products .band-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-products .band-head {
  position: relative;
  z-index: 1;
  max-width: 62ch;
}

.page-products .band-index {
  margin: 0 0 0.7rem;
  font-size: var(--step-1);
  letter-spacing: 0.22em;
  color: var(--teal);
}

.page-products .band--ice .band-index {
  color: var(--snow);
  opacity: 0.8;
}

.page-products .band--paper .band-index {
  color: var(--ice);
}

.page-products .band-copy > h2 {
  margin-bottom: 1rem;
}

.page-products .band-copy > p {
  max-width: 46ch;
  opacity: 0.92;
}

.page-products .band-copy > p + p {
  margin-top: 0.9rem;
}

.page-products .band-intro {
  margin-top: 0.9rem;
  max-width: 52ch;
  color: var(--muted);
}

.page-products .band-points {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-products .band-points li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--step-3);
  line-height: 1.75;
  opacity: 0.94;
}

.page-products .band-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  background: var(--orange);
}

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

.page-products .band-figure figcaption {
  margin-top: 0.9rem;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--muted);
}

.page-products .band--paper .band-figure figcaption {
  color: var(--paper-muted);
}

.page-products .media-frame {
  border: 2px solid var(--line);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.42);
  background: var(--ink-2);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

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

.page-products .media-frame--phone {
  max-width: 320px;
  margin: 0 auto;
}

.page-products .band-figure:hover .media-frame {
  transform: translateY(-4px);
  border-color: var(--teal);
}

.page-products .band-link {
  margin-top: 1.6rem;
}

.page-products .band-link a {
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

.page-products .band--paper .band-link a {
  border-bottom-color: var(--orange);
}

/* 提醒示意 */
.page-products .remind-visual {
  position: relative;
  z-index: 1;
  border: 2px solid var(--line);
  background: rgba(7, 23, 34, 0.42);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.32);
}

.page-products .remind-track {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-products .remind-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--line);
  z-index: 0;
}

.page-products .remind-tick {
  position: relative;
  z-index: 1;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--teal);
  font-size: var(--step-1);
}

.page-products .remind-pulse {
  position: relative;
  z-index: 1;
  width: 16px;
  height: 16px;
  background: var(--orange);
  box-shadow: 0 0 0 7px rgba(255, 106, 43, 0.22);
}

.page-products .remind-caption {
  margin-top: 1.4rem;
  font-size: var(--step-3);
  color: var(--snow);
  opacity: 0.9;
}

/* 多屏布局小样 */
.page-products .layout-demo {
  margin-top: 1.9rem;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-products .layout-demo__label {
  margin: 0 0 0.5rem;
  font-size: var(--step-1);
  letter-spacing: 0.18em;
  color: var(--teal);
}

.page-products .screen-demo {
  display: grid;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  background: rgba(7, 23, 34, 0.55);
}

.page-products .screen-demo--2,
.page-products .screen-demo--4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .screen-demo--6 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-products .screen-demo__cell {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  background: var(--ink);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-products .screen-demo__cell.is-live {
  border-color: var(--orange);
  color: var(--orange);
}

/* 数据面板 */
.page-products .panel-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  margin-top: 2.25rem;
}

.page-products .accordion {
  border-top: 1px solid var(--line);
}

.page-products .accordion details {
  border-bottom: 1px solid var(--line);
}

.page-products .accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  cursor: pointer;
  font-size: var(--step-4);
  font-weight: 700;
  list-style: none;
}

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

.page-products .accordion summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--orange);
}

.page-products .accordion details[open] summary::after {
  content: "−";
}

.page-products .accordion details[open] summary {
  color: var(--teal);
}

.page-products .acc-body {
  padding: 0 0 1.3rem;
  max-width: 46ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .standings-wrap {
  display: grid;
  gap: 1.25rem;
}

.page-products .standings-title {
  margin: 0;
  font-size: var(--step-1);
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-products .standings {
  border: 2px solid var(--line);
  background: var(--ink);
}

.page-products .standings__row {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) repeat(3, minmax(2.6rem, 3.4rem));
  align-items: center;
  border-bottom: 1px solid var(--line);
  font-size: var(--step-2);
}

.page-products .standings__row:last-child {
  border-bottom: 0;
}

.page-products .standings__row--head {
  background: var(--ice);
  color: var(--snow);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .standings__row > span {
  padding: 0.6rem 0.4rem;
}

.page-products .standings__row .num {
  font-family: var(--font-mono);
  text-align: right;
  color: var(--snow);
}

.page-products .standings__team {
  color: var(--snow);
}

.page-products .standings__row.is-up .standings__team::after {
  content: "↑";
  margin-left: 0.4rem;
  color: var(--teal);
}

.page-products .standings__row.is-down .standings__team::after {
  content: "↓";
  margin-left: 0.4rem;
  color: var(--red);
}

.page-products .standings-note {
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--muted);
}

/* 设备矩阵 */
.page-products .spec-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: 2.25rem;
  align-items: start;
}

.page-products .spec-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .spec-cell {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem 1.1rem;
  background: var(--ink);
}

.page-products .spec-cell__key {
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .spec-cell__val {
  font-family: var(--font-mono);
  font-size: var(--step-5);
  color: var(--orange);
}

.page-products .spec-cell__note {
  font-size: var(--step-2);
  line-height: 1.65;
  color: var(--snow);
  opacity: 0.76;
}

.page-products .download-note {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  max-width: 56ch;
  font-size: var(--step-3);
  color: var(--muted);
}

.page-products .download-note a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal);
}

/* 版本演进 */
.page-products .evolution {
  position: relative;
  z-index: 1;
  margin-top: 2.5rem;
}

.page-products .evolution__rail {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.page-products .evo-node {
  border-left: 2px solid var(--line);
  padding-left: 1.1rem;
}

.page-products .evo-year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-5);
  color: var(--teal);
}

.page-products .evo-title {
  margin-top: 0.35rem;
  font-size: var(--step-4);
  font-weight: 700;
  color: var(--snow);
}

.page-products .evo-note {
  margin-top: 0.45rem;
  font-size: var(--step-2);
  line-height: 1.72;
  color: var(--muted);
}

/* 结尾导航 */
.page-products .outro {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}

.page-products .outro-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-products .outro-copy h2 {
  margin-bottom: 1rem;
}

.page-products .outro-copy p {
  max-width: 44ch;
  color: var(--muted);
}

.page-products .outro-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .outro-links li {
  border-bottom: 1px solid var(--line);
}

.page-products .outro-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0.25rem;
  color: var(--snow);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products .outro-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-products .outro-links a:hover {
  color: var(--orange);
}

.page-products .align-strong,
.page-products .outro-links strong {
  display: block;
  font-size: var(--step-4);
}

.page-products .link-sub {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--step-2);
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-products .band-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

  .page-products .spec-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-products .evolution__rail {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .evolution__rail::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 9px;
    height: 2px;
    background: var(--line);
  }

  .page-products .evo-node {
    border-left: 0;
    padding: 2.1rem 1rem 0 0;
  }

  .page-products .evo-node::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 0;
    width: 14px;
    height: 14px;
    background: var(--ink-2);
    border: 2px solid var(--teal);
  }

  .page-products .evo-node {
    position: relative;
  }

  .page-products .evo-node:hover::before {
    background: var(--orange);
    border-color: var(--orange);
  }

  .page-products .outro-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 1000px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: end;
  }
}

@media (max-width: 520px) {
  .page-products .hero-specs {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .standings__row {
    grid-template-columns: 1.9rem minmax(0, 1fr) repeat(3, 2.5rem);
    font-size: var(--step-1);
  }

  .page-products .screen-demo--6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .media-frame,
  .page-products .outro-links a {
    transition: none;
  }

  .page-products .band-figure:hover .media-frame {
    transform: none;
  }
}