.page-products {
  --pp-cut: 26px;
  --pp-cut-sm: 8px;
  background: var(--field-night);
  color: var(--warm-white);
}

.page-products .pp-crumb {
  background: var(--field-night);
  padding: 0.9rem 0 0.2rem;
}

.page-products .eyebrow {
  color: var(--neon-cyan);
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
}

.page-products .pp-title,
.page-products .pp-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--warm-white);
  text-wrap: balance;
}

.page-products .pp-title {
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.05;
  margin: 0.55rem 0 0;
}

.page-products .pp-h2 {
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  line-height: 1.08;
  margin: 0.5rem 0 0;
}

.page-products .pp-lead {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--mist-blue);
  max-width: 34em;
  margin: 1rem 0 0;
}

.page-products .pp-lead--tight {
  margin-top: 0.7rem;
  color: var(--warm-white);
}

.page-products .pp-sub {
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--mist-blue);
  max-width: 36em;
  margin: 0.9rem 0 0;
}

.page-products .pp-note {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist-blue);
  margin: 1rem 0 0;
}

.page-products .pp-note--dark {
  color: #3c4a60;
}

.page-products .pp-note a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 210, 0.45);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .pp-note a:hover {
  color: var(--warm-white);
  border-color: var(--warm-white);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.6rem) 0 clamp(2.4rem, 6vw, 4rem);
  background: linear-gradient(180deg, var(--field-night) 0%, var(--stand-blue) 100%);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(42, 68, 103, 0.55) 0 1px, transparent 1px 46px);
  opacity: 0.5;
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  width: 62vmax;
  height: 62vmax;
  right: -24vmax;
  top: -34vmax;
  background: radial-gradient(circle, rgba(56, 242, 210, 0.16), transparent 62%);
  pointer-events: none;
}

.page-products .pp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.page-products .pp-steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  position: relative;
}

.page-products .pp-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 18px;
  border-left: 1px dashed var(--line-blue);
}

.page-products .pp-step {
  position: relative;
  padding: 0 0 0 3rem;
  margin: 0 0 1.1rem;
}

.page-products .pp-step:last-child {
  margin-bottom: 0;
}

.page-products .pp-step__num {
  position: absolute;
  left: 0;
  top: 2px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  background: var(--signal-orange);
  color: var(--ink-black);
  font-size: 0.76rem;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}

.page-products .pp-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.page-products .pp-step__name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--warm-white);
  transition: color var(--t-fast) var(--ease);
}

.page-products .pp-step__text {
  margin: 0.35rem 0 0;
  font-size: 0.93rem;
  line-height: 1.74;
  color: var(--mist-blue);
  max-width: 32em;
}

.page-products .pp-step:hover .pp-step__name,
.page-products .pp-step:focus-within .pp-step__name {
  color: var(--neon-cyan);
}

/* 下载面板 */

.page-products .pp-dl {
  clip-path: polygon(0 var(--pp-cut), var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
  background: linear-gradient(165deg, var(--panel-blue) 0%, var(--stand-blue) 74%);
  box-shadow: inset 0 0 0 1px var(--line-blue);
  padding: clamp(1.4rem, 4vw, 2.1rem);
  transition: box-shadow var(--t-mid) var(--ease);
}

.page-products .pp-dl:hover {
  box-shadow: inset 0 0 0 2px rgba(56, 242, 210, 0.7);
}

.page-products .pp-dl__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-blue);
}

.page-products .pp-dl__ver {
  margin: 0.15rem 0 0;
  font-family: var(--font-data);
  font-size: clamp(2.5rem, 9.5vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon-cyan);
  text-align: right;
}

.page-products .pp-dl__meta {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--mist-blue);
}

.page-products .pp-req {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
}

.page-products .pp-req li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: var(--warm-white);
  border: 1px solid var(--line-blue);
  padding: 0.34rem 0.7rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut-sm)), calc(100% - var(--pp-cut-sm)) 100%, 0 100%);
}

.page-products .pp-req .mono {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--neon-cyan);
}

.page-products .pp-shot {
  position: relative;
  margin: 1.2rem 0 0;
}

.page-products .pp-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 11 / 14;
  object-fit: cover;
  border: 1px solid var(--line-blue);
}

.page-products .pp-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(10, 17, 32, 0.32) 0 1px, transparent 1px 4px);
  pointer-events: none;
  mix-blend-mode: multiply;
}

.page-products .pp-shot figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--mist-blue);
}

.page-products .pp-dl__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.page-products .pp-btn {
  flex: 1 1 140px;
  text-align: center;
}

.page-products .pp-dl__actions .btn--primary:hover {
  background: var(--neon-cyan);
  color: var(--ink-black);
  box-shadow: inset 0 0 0 2px var(--neon-cyan);
}

.page-products .pp-dl__actions .btn--ghost:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* ---------- 版本脉络 ---------- */

.page-products .pp-timeline {
  background: var(--stand-blue);
  padding: clamp(2.4rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--line-blue);
}

.page-products .pp-tl-figure {
  margin: 1.6rem 0 0;
}

.page-products .pp-tl-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-blue);
  background: var(--field-night);
}

.page-products .pp-tl-figure figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.74rem;
  color: var(--mist-blue);
}

.page-products .pp-tl-notes {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .pp-tl-notes li {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist-blue);
  border-top: 1px solid var(--line-blue);
  padding-top: 0.7rem;
}

.page-products .pp-tl-notes .mono {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--neon-cyan);
  text-align: right;
}

/* ---------- 首屏入口 ---------- */

.page-products .pp-entries-sec {
  background: var(--field-night);
  padding: clamp(2.4rem, 6vw, 4rem) 0;
}

.page-products .pp-entries {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-entry {
  position: relative;
  padding: 1rem 1.1rem 1.15rem;
  background: var(--panel-blue);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut-sm)), calc(100% - var(--pp-cut-sm)) 100%, 0 100%);
  box-shadow: inset 0 0 0 1px rgba(42, 68, 103, 0.9);
  transition: box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-products .pp-entry:hover {
  background: #1f3557;
  box-shadow: inset 0 0 0 1px var(--neon-cyan);
}

.page-products .pp-entry__idx {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 0.72rem;
  color: var(--line-blue);
  letter-spacing: 0.06em;
}

.page-products .pp-entry__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--warm-white);
}

.page-products .pp-entry p {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  line-height: 1.66;
  color: var(--mist-blue);
  max-width: 22em;
}

/* ---------- 五类通道 ---------- */

.page-products .pp-lanes-sec {
  background: linear-gradient(180deg, var(--stand-blue) 0%, var(--field-night) 100%);
  padding: clamp(2.4rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--line-blue);
}

.page-products .pp-feature {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-blue);
}

.page-products .pp-feature__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.16;
  color: var(--warm-white);
}

.page-products .pp-feature__text p {
  margin: 0.75rem 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist-blue);
  max-width: 34em;
}

.page-products .pp-feature__media {
  margin: 0;
  position: relative;
}

.page-products .pp-feature__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line-blue);
}

.page-products .pp-feature--flip .pp-feature__media img {
  aspect-ratio: 1 / 1;
}

.page-products .pp-feature__media figcaption {
  margin-top: 0.55rem;
  font-family: var(--font-data);
  font-size: 0.74rem;
  color: var(--mist-blue);
}

.page-products .pp-lanes {
  margin: 1.9rem 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-blue);
}

.page-products .pp-lane {
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-blue);
}

.page-products .pp-lane dt {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--warm-white);
}

.page-products .pp-lane dt .mono {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--neon-cyan);
  border: 1px solid rgba(56, 242, 210, 0.4);
  padding: 0.1rem 0.42rem;
}

.page-products .pp-lane dd {
  margin: 0.35rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist-blue);
}

/* ---------- 筛选 ---------- */

.page-products .pp-filter-sec {
  background: var(--stand-blue);
  padding: clamp(2.4rem, 6vw, 4rem) 0;
}

.page-products .pp-chipgroups {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.page-products .pp-chipgroup__label {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-blue);
}

.page-products .pp-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.page-products .pp-chip {
  font-family: var(--font-data);
  font-size: 0.8rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line-blue);
  color: var(--mist-blue);
  background: transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .pp-chip:hover {
  color: var(--warm-white);
  border-color: var(--neon-cyan);
}

.page-products .pp-chip.is-active {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  color: var(--ink-black);
  font-weight: 700;
}

.page-products .pp-table-wrap {
  margin-top: 1.6rem;
  overflow-x: auto;
  border: 1px solid var(--line-blue);
}

.page-products .pp-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .pp-table th {
  background: var(--panel-blue);
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.7rem 0.9rem;
  color: var(--neon-cyan);
  border-bottom: 1px solid var(--line-blue);
}

.page-products .pp-table td {
  padding: 0.72rem 0.9rem;
  border-top: 1px solid var(--line-blue);
  color: var(--warm-white);
  line-height: 1.6;
  vertical-align: top;
}

.page-products .pp-table tbody th {
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--line-blue);
  background: transparent;
  text-transform: none;
  font-size: 0.82rem;
}

.page-products .pp-table tbody tr:hover td,
.page-products .pp-table tbody tr:hover th {
  background: rgba(56, 242, 210, 0.08);
}

.page-products .pp-table a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 210, 0.4);
  transition: color var(--t-fast) var(--ease);
}

.page-products .pp-table a:hover {
  color: var(--warm-white);
}

/* ---------- 阅读设置 ---------- */

.page-products .pp-reading {
  background: var(--warm-white);
  color: var(--ink-strong);
  padding: clamp(2.4rem, 6vw, 4rem) 0;
}

.page-products .pp-reading .eyebrow {
  color: var(--deep-cyan);
}

.page-products .pp-reading .pp-h2 {
  color: var(--ink-strong);
}

.page-products .pp-reading .pp-sub {
  color: #40506a;
}

.page-products .pp-media {
  margin: 1.6rem 0 0;
}

.page-products .pp-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid #cfc8b8;
}

.page-products .pp-media figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.74rem;
  color: var(--deep-cyan);
}

.page-products .pp-previews {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .pp-preview {
  border-left: 3px solid var(--deep-cyan);
  padding: 0.4rem 0 0.4rem 0.95rem;
}

.page-products .pp-preview__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--deep-cyan);
  margin-bottom: 0.2rem;
}

.page-products .pp-preview__text {
  margin: 0;
  color: var(--ink-strong);
  line-height: 1.62;
  max-width: 30em;
}

.page-products .pp-preview--s .pp-preview__text { font-size: 0.86rem; }
.page-products .pp-preview--m .pp-preview__text { font-size: 1rem; }
.page-products .pp-preview--l .pp-preview__text { font-size: 1.16rem; }

/* ---------- 问题指引 ---------- */

.page-products .pp-help-sec {
  background: var(--field-night);
  padding: clamp(2.4rem, 6vw, 4rem) 0 clamp(2.6rem, 6vw, 4.4rem);
  border-top: 1px solid var(--line-blue);
}

.page-products .pp-table-wrap--dark {
  margin-top: 1.8rem;
  background: var(--stand-blue);
}

.page-products .pp-table-wrap--dark .pp-table th[scope="row"] {
  color: var(--warm-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
}

.page-products .pp-table-wrap--dark .pp-table td {
  color: var(--mist-blue);
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 720px) {
  .page-products .pp-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-entries .pp-entry--wide {
    grid-column: span 2;
  }

  .page-products .pp-chipgroups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
  }

  .page-products .pp-previews {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-products .pp-tl-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-products .pp-tl-notes li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.3rem;
  }

  .page-products .pp-tl-notes .mono {
    text-align: left;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-products .pp-dl {
    position: sticky;
    top: 96px;
  }

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

  .page-products .pp-entries .pp-entry--wide {
    grid-column: span 2;
  }

  .page-products .pp-feature {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(1.6rem, 3.5vw, 2.8rem);
    align-items: center;
  }

  .page-products .pp-feature--flip .pp-feature__text {
    order: 2;
  }

  .page-products .pp-feature--flip .pp-feature__media {
    order: 1;
  }

  .page-products .pp-lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.4rem;
  }

  .page-products .pp-reading .pp-sub,
  .page-products .pp-sub {
    max-width: 40em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-dl,
  .page-products .pp-entry,
  .page-products .pp-chip,
  .page-products .pp-step__name,
  .page-products .pp-note a {
    transition: none;
  }
}