.page-products {
  --prod-cut: 20px;
  background: var(--navy);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.page-products .section--tight {
  padding-block: clamp(2rem, 4vw, 3rem);
}

.page-products .container {
  width: min(100% - 2.5rem, 1120px);
  margin-inline: auto;
}

.page-products .section-title {
  color: var(--paper);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-products .section--paper .section-title {
  color: var(--ink);
}

.page-products .prose {
  color: rgba(244, 241, 232, 0.82);
  line-height: 1.85;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-products .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
}

.page-products .crumb,
.page-products .crumb-sep {
  color: var(--stone);
  font-family: var(--font-mono);
}

.page-products .crumb a {
  color: var(--stone);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-products .crumb a:hover,
.page-products .crumb a:focus-visible {
  color: var(--cyan);
}

.page-products .crumb--current {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 78% at 80% 8%, rgba(53, 224, 200, 0.16), transparent 68%),
    radial-gradient(46% 66% at 8% 96%, rgba(212, 168, 83, 0.15), transparent 70%);
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -34%;
  width: 56%;
  height: 190%;
  background: linear-gradient(180deg, rgba(18, 43, 82, 0.9), rgba(11, 27, 58, 0));
  transform: rotate(15deg);
  pointer-events: none;
}

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

.page-products .products-h1 {
  margin: 0.75rem 0 1.25rem;
  font-size: clamp(2rem, 5.2vw, 3.75rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0.045em;
  color: var(--paper);
}

.page-products .products-lede {
  color: rgba(244, 241, 232, 0.8);
  max-width: 55ch;
  line-height: 1.9;
}

.page-products .cta-row {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  gap: 0.75rem;
}

/* ---------- 路径条 ---------- */
.page-products .path-strip {
  border-block: 1px solid var(--line);
  background: rgba(18, 43, 82, 0.42);
}

.page-products .path-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .path-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.875rem;
  row-gap: 0.35rem;
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--navy);
  text-decoration: none;
  transition: background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .path-item:hover,
.page-products .path-item:focus-visible {
  background: var(--navy-2);
}

.page-products .path-idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.08em;
  align-self: start;
  padding-top: 0.1rem;
}

.page-products .path-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .path-desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 注册四步 ---------- */
.page-products .register-section {
  background:
    linear-gradient(180deg, var(--navy) 0%, var(--navy-3) 100%);
}

.page-products .section-head {
  max-width: 58ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .register-figure {
  margin: 0 0 clamp(2rem, 4.5vw, 3rem);
  border: 1px solid var(--line-strong);
  background: var(--navy-2);
  padding: 0.75rem;
  position: relative;
}

.page-products .register-figure::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 88px;
  height: 3px;
  background: var(--gold);
}

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

.page-products .media {
  overflow: hidden;
  background: var(--navy-3);
}

.page-products .media-cap {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-products .step {
  position: relative;
  padding: 1.6rem 1.35rem 1.85rem;
  background: linear-gradient(158deg, var(--navy-2) 0%, var(--navy-3) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-cut)), calc(100% - var(--prod-cut)) 100%, 0 100%);
  transition: transform 0.24s var(--ease);
}

.page-products .step::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--gold);
  clip-path: inherit;
  pointer-events: none;
}

.page-products .step:hover {
  transform: translateY(-4px);
}

.page-products .step-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.page-products .step-title {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .step-text {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.78);
}

.page-products .step-note {
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .step-note-label {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.1rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--clay);
  border: 1px solid rgba(180, 105, 74, 0.5);
  border-radius: 2px;
}

/* ---------- 安卓客户端 ---------- */
.page-products .client-section {
  background: var(--navy-2);
}

.page-products .android-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-products .android-copy .prose {
  max-width: 58ch;
}

.page-products .android-copy .btn {
  margin-top: 1.25rem;
}

.page-products .android-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  padding: 0.65rem;
  background: var(--navy-3);
}

.page-products .android-figure .media {
  aspect-ratio: 3 / 4;
}

.page-products .android-figure img {
  height: 100%;
  object-fit: cover;
}

.page-products .spec-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .spec-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0.9rem;
  background: var(--navy-3);
}

.page-products .spec-k {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-products .spec-v {
  font-size: 0.875rem;
  color: var(--paper);
  text-align: right;
}

.page-products .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.page-products .adapt-figure {
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  border: 1px solid var(--line);
}

.page-products .table-block {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
}

.page-products .table-title {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .spec-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--paper);
  border: 1px solid var(--edge);
  font-size: 0.9375rem;
}

.page-products .spec-caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 0.75rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-products .spec-table thead th {
  background: var(--moss);
  color: var(--paper);
  text-align: left;
  padding: 0.8rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.page-products .spec-table td {
  padding: 0.9rem;
  border-top: 1px solid var(--edge);
  color: var(--ink-soft);
  line-height: 1.65;
  vertical-align: top;
}

.page-products .spec-table tbody tr:nth-child(even) {
  background: rgba(232, 226, 210, 0.42);
}

.page-products .spec-table tbody tr:hover {
  background: rgba(53, 224, 200, 0.12);
}

.page-products .spec-table .mono {
  color: var(--ink);
  font-size: 0.8125rem;
}

.page-products .table-note {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 登录排查 ---------- */
.page-products .login-section {
  background: var(--navy);
  border-top: 1px solid var(--line);
}

.page-products .login-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-products .login-copy .prose {
  max-width: 56ch;
}

.page-products .login-copy .btn {
  margin-top: 1.25rem;
}

.page-products .login-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  padding: 0.65rem;
  background: var(--navy-2);
  position: relative;
}

.page-products .login-figure::before {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 64px;
  height: 3px;
  background: var(--cyan);
}

/* ---------- 版本演进 ---------- */
.page-products .version-section {
  background: linear-gradient(180deg, var(--navy-3) 0%, var(--navy) 62%);
}

.page-products .evo-figure {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  padding: 1rem 0.5rem 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-products .evo-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 720px;
}

.page-products .evo-figure .media-cap {
  padding-bottom: 0.75rem;
}

.page-products .tracks {
  display: grid;
  gap: 1rem;
}

.page-products .track {
  padding: 1.25rem 1.15rem 1.4rem;
  background: rgba(244, 241, 232, 0.045);
  border: 1px solid var(--line);
  border-left-width: 3px;
}

.page-products .track--gold {
  border-left-color: var(--gold);
}

.page-products .track--cyan {
  border-left-color: var(--cyan);
}

.page-products .track--moss {
  border-left-color: var(--moss);
}

.page-products .track-title {
  margin: 0 0 0.6rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .track-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.76);
}

.page-products .evo-figure-img {
  margin: clamp(1.75rem, 3.5vw, 2.5rem) 0 0;
  border: 1px solid var(--line);
}

.page-products .version-cta {
  margin: clamp(1.25rem, 2.5vw, 1.75rem) 0 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.78);
  max-width: 60ch;
}

.page-products .inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .inline-link:hover,
.page-products .inline-link:focus-visible {
  color: var(--gold);
}

/* ---------- 典型场景 ---------- */
.page-products .scenario-section {
  background: var(--paper);
  color: var(--ink);
}

.page-products .scenario-section .section-title {
  color: var(--ink);
}

.page-products .scenario-section .lede {
  color: var(--ink-soft);
}

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

.page-products .scenario {
  padding: 1.5rem 1.35rem 1.65rem;
  background: #FBF9F3;
  border: 1px solid var(--edge);
  box-shadow: 0 2px 0 var(--edge);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-products .scenario:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 0 var(--edge);
}

.page-products .scenario-tag {
  align-self: flex-start;
}

.page-products .scenario-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-products .scenario-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .scenario-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--cyan-ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-products .scenario-link:hover,
.page-products .scenario-link:focus-visible {
  color: var(--clay);
}

/* ---------- 延伸入口 ---------- */
.page-products .onward-section {
  background: var(--navy-3);
  border-top: 1px solid var(--line);
}

.page-products .onward-title {
  margin: 0 0 1.25rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-products .onward-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .onward-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem 1.15rem;
  background: var(--navy-3);
  text-decoration: none;
  transition: background 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-products .onward-item:hover,
.page-products .onward-item:focus-visible {
  background: var(--navy-2);
  padding-left: 1.5rem;
}

.page-products .onward-k {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .onward-d {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 页内目录 ---------- */
.page-products .rail {
  display: none;
}

.page-products .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .rail-link {
  display: block;
  padding: 0.5rem 0.5rem 0.5rem 0.85rem;
  border-left: 2px solid var(--line-strong);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .rail-link:hover,
.page-products .rail-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-products .rail-link[aria-current="true"] {
  color: var(--gold);
  border-left-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .path-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .onward-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-products .android-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-products .login-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-products .tracks {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .scenario-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .path-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .steps {
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
  }

  .page-products .step:nth-child(2),
  .page-products .step:nth-child(4) {
    transform: translateY(30px);
  }

  .page-products .step:nth-child(2):hover,
  .page-products .step:nth-child(4):hover {
    transform: translateY(26px);
  }

  .page-products .steps {
    padding-bottom: 30px;
  }

  .page-products .onward-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1360px) {
  .page-products .container {
    width: min(100% - 3rem, 1000px);
  }

  .page-products .rail {
    display: block;
    position: fixed;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    width: 132px;
    padding: 0.75rem 0.4rem;
    background: rgba(11, 27, 58, 0.86);
    border: 1px solid var(--line);
    z-index: 40;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step,
  .page-products .scenario,
  .page-products .path-item,
  .page-products .onward-item {
    transition: none;
  }

  .page-products .step:nth-child(2),
  .page-products .step:nth-child(4) {
    transform: none;
  }
}