.page-products {
  --pc-gap: 16px;
  --pc-line-strong: rgba(43, 245, 224, 0.42);
  --pc-card-bg: linear-gradient(180deg, rgba(26, 16, 48, 0.78), rgba(11, 6, 22, 0.82));
}

.page-products .section {
  padding-block: 52px;
}

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

.page-products h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.65rem, 4.4vw, 2.9rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-products h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--ink);
}

.page-products p {
  margin: 0;
}

/* ---------- 首屏框景 ---------- */
.page-products .pc-frame {
  padding: clamp(22px, 4.5vw, 58px);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(43, 245, 224, 0.12), transparent 58%),
    radial-gradient(90% 80% at 100% 100%, rgba(255, 61, 190, 0.12), transparent 62%),
    linear-gradient(180deg, rgba(26, 16, 48, 0.94), rgba(11, 6, 22, 0.96));
}

.page-products .pc-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.95rem, 6vw, 4.1rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 14px 0 22px;
  max-width: 20ch;
  color: var(--ink);
  text-shadow: 0 0 30px rgba(43, 245, 224, 0.28);
}

.page-products .pc-lead {
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .pc-stats {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pc-stat {
  background: rgba(11, 6, 22, 0.9);
  padding: 20px 18px 22px;
  border-top: 2px solid var(--cyan);
}

.page-products .pc-stat--cyan {
  border-top-color: var(--cyan);
}

.page-products .pc-stat--magenta {
  border-top-color: var(--magenta);
}

.page-products .pc-stat--yellow {
  border-top-color: var(--yellow);
}

.page-products .pc-stat-num {
  display: block;
  font-size: clamp(2.1rem, 5.5vw, 2.9rem);
  line-height: 1;
  font-weight: 500;
}

.page-products .pc-stat--cyan .pc-stat-num {
  color: var(--cyan);
  text-shadow: 0 0 22px rgba(43, 245, 224, 0.45);
}

.page-products .pc-stat--magenta .pc-stat-num {
  color: var(--magenta);
  text-shadow: 0 0 22px rgba(255, 61, 190, 0.45);
}

.page-products .pc-stat--yellow .pc-stat-num {
  color: var(--yellow);
  text-shadow: 0 0 22px rgba(255, 226, 74, 0.4);
}

.page-products .pc-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-products .pc-stat-note {
  margin-top: 12px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 通用段落头 ---------- */
.page-products .pc-sec-head {
  max-width: 780px;
}

.page-products .pc-sec-lead,
.page-products .pc-body {
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 68ch;
}

.page-products .pc-body {
  color: var(--ink);
}

.page-products .pc-anchor-title {
  font-weight: 800;
  color: var(--ink);
  text-shadow: 0 0 26px rgba(255, 61, 190, 0.45);
}

.page-products .pc-split-main .pc-anchor-title {
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
}

/* ---------- 分类矩阵 ---------- */
.page-products .pc-cats-figure {
  margin: 34px 0 0;
}

.page-products .pc-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pc-cell {
  border: 1px solid var(--line-soft);
  background: var(--pc-card-bg);
  padding: 18px 16px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-products .pc-cell:hover,
.page-products .pc-cell:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(43, 245, 224, 0.34), 0 14px 32px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.page-products .pc-cell-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pc-cell-idx {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pc-cell-head .tag {
  margin-left: auto;
}

.page-products .pc-var-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pc-var-list li {
  position: relative;
  padding-left: 14px;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pc-var-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 1px;
  background: var(--blue);
}

.page-products .pc-var-name {
  color: var(--ink);
  font-weight: 600;
  margin-right: 6px;
}

/* ---------- 分栏 ---------- */
.page-products .pc-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .pc-split-figure {
  margin: 0;
}

/* ---------- 残局难度 ---------- */
.page-products .pc-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pc-tier {
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--cyan);
  background: rgba(11, 6, 22, 0.78);
  padding: 18px 16px 20px;
}

.page-products .pc-tier--mid {
  border-top-color: var(--magenta);
}

.page-products .pc-tier--master {
  border-top-color: var(--yellow);
}

.page-products .pc-tier-num {
  display: block;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--yellow);
}

.page-products .pc-tier--entry .pc-tier-num {
  color: var(--cyan);
}

.page-products .pc-tier--mid .pc-tier-num {
  color: var(--magenta);
}

.page-products .pc-tier h3 {
  margin-top: 10px;
  font-size: 1.05rem;
}

.page-products .pc-tier-desc {
  margin-top: 10px;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pc-tier-meta {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8125rem;
  color: var(--ink);
}

/* ---------- 时长对照表 ---------- */
.page-products .pc-table-wrap {
  margin-top: 28px;
  border: 1px solid var(--line-soft);
  overflow-x: auto;
  background: rgba(11, 6, 22, 0.7);
}

.page-products .pc-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-products .pc-table th,
.page-products .pc-table td {
  padding: 13px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}

.page-products .pc-table thead th {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-weight: 500;
  background: rgba(26, 16, 48, 0.7);
  white-space: nowrap;
}

.page-products .pc-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pc-table tbody td {
  color: var(--muted);
}

.page-products .pc-table tbody tr:hover {
  background: rgba(76, 123, 255, 0.12);
}

.page-products .pc-table tbody tr:last-child th,
.page-products .pc-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pc-num {
  text-align: right;
  color: var(--yellow);
  white-space: nowrap;
}

.page-products .pc-unit {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--muted);
  margin-left: 2px;
}

.page-products .pc-duration-figure {
  margin: 28px 0 0;
}

/* ---------- 下载区 ---------- */
.page-products .pc-downloads .pc-body {
  color: var(--ink);
}

.page-products .pc-file {
  margin-top: 22px;
  border: 1px solid var(--pc-line-strong);
  background: rgba(11, 6, 22, 0.7);
}

.page-products .pc-file-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(26, 16, 48, 0.9);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-products .pc-file-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.page-products .pc-file-dot--magenta {
  background: var(--magenta);
  box-shadow: 0 0 10px var(--magenta);
}

.page-products .pc-file-ver {
  margin-left: auto;
  color: var(--yellow);
  font-size: 0.8125rem;
}

.page-products .pc-file-body {
  padding: 16px 14px 14px;
}

.page-products .pc-file-desc {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pc-file details {
  margin-top: 12px;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-products .pc-file summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  color: var(--cyan);
  padding: 4px 0;
}

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

.page-products .pc-file summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  transition: transform 0.24s var(--ease);
}

.page-products .pc-file details[open] summary::after {
  transform: rotate(45deg);
}

.page-products .pc-file-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pc-file-list li {
  position: relative;
  padding-left: 14px;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pc-file-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 1px;
  background: var(--orange);
}

.page-products .pc-file-note {
  margin-top: 18px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pc-file-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 宽屏体验 ---------- */
.page-products .pc-wide-figure {
  margin: 32px 0 0;
}

.page-products .pc-wide-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pc-wide-list li {
  background: rgba(11, 6, 22, 0.86);
  padding: 20px 18px;
  border-left: 2px solid var(--blue);
}

.page-products .pc-wide-list li:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-products .pc-wide-list li:nth-child(3) {
  border-left-color: var(--orange);
}

.page-products .pc-wide-list li:nth-child(4) {
  border-left-color: var(--magenta);
}

.page-products .pc-wide-list p {
  margin-top: 10px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 四步路径 ---------- */
.page-products .pc-timeline {
  display: none;
}

.page-products .pc-tl-line {
  stroke: var(--blue);
  stroke-width: 1;
  stroke-dasharray: 4 8;
  opacity: 0.75;
}

.page-products .pc-tl-dot {
  fill: var(--bg);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .pc-tl-dot--hot {
  stroke: var(--magenta);
}

.page-products .pc-tl-dot--end {
  stroke: var(--yellow);
}

.page-products .pc-step-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .pc-step {
  padding-left: 15px;
  border-left: 2px solid var(--cyan);
}

.page-products .pc-step:nth-child(2) {
  border-left-color: var(--blue);
}

.page-products .pc-step:nth-child(3) {
  border-left-color: var(--magenta);
}

.page-products .pc-step:nth-child(4) {
  border-left-color: var(--yellow);
}

.page-products .pc-step-idx {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-products .pc-step h3 {
  font-size: 1rem;
}

.page-products .pc-step p {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 结尾索引 ---------- */
.page-products .pc-links h2 {
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
}

.page-products .pc-link-grid {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pc-link-grid a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px 16px;
  border: 1px solid var(--line-soft);
  background: rgba(26, 16, 48, 0.55);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .pc-link-grid a:hover,
.page-products .pc-link-grid a:focus-visible {
  border-color: var(--cyan);
  background: rgba(43, 245, 224, 0.08);
}

.page-products .pc-link-t {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pc-link-d {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pc-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .section {
    padding-block: 68px;
  }

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

  .page-products .pc-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-products .pc-wide-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-products .section {
    padding-block: 88px;
  }

  .page-products .pc-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
  }

  .page-products .pc-cell {
    border: 0;
    background: linear-gradient(180deg, rgba(26, 16, 48, 0.82), rgba(11, 6, 22, 0.88));
  }

  .page-products .pc-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pc-timeline {
    display: block;
    width: 100%;
    height: auto;
    margin: 40px 0 0;
  }

  .page-products .pc-step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    margin-top: 18px;
  }

  .page-products .pc-link-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pc-title {
    max-width: 24ch;
  }
}

@media (min-width: 1280px) {
  .page-products .pc-lead {
    font-size: 1.125rem;
  }

  .page-products .pc-tiers {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pc-cell,
  .page-products .pc-link-grid a,
  .page-products .pc-file summary::after {
    transition: none;
  }

  .page-products .pc-cell:hover,
  .page-products .pc-cell:focus-within {
    transform: none;
  }
}
<<<END>>>