.page-products {
  --pp-rail-w: 208px;
  --pp-gap: clamp(20px, 3vw, 40px);
  --pp-card-gap: 12px;
  color: var(--text);
}

.page-products section[id] {
  scroll-margin-top: 92px;
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(8px, 2vw, 20px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: -12% 0 auto 0;
  height: clamp(260px, 42vw, 460px);
  background:
    radial-gradient(58% 100% at 22% 0%, rgba(47, 143, 91, 0.22), transparent 72%),
    radial-gradient(42% 80% at 88% 10%, rgba(70, 242, 224, 0.1), transparent 70%);
  pointer-events: none;
}

.page-products .pp-hero__grid {
  position: relative;
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-hero__text h1 {
  font-family: var(--font-editorial);
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
  max-width: 15em;
}

.page-products .pp-hero__text .lede {
  max-width: 40em;
  margin: 0 0 24px;
}

.page-products .pp-hero__media {
  align-self: end;
}

/* ---------- 快速跳转 ---------- */

.page-products .pp-quick {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-block: 14px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: none;
}

.page-products .pp-quick::-webkit-scrollbar {
  display: none;
}

.page-products .pp-quick a {
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pp-quick a:hover,
.page-products .pp-quick a:focus-visible {
  color: var(--cyan);
  border-color: var(--line-strong);
}

/* ---------- 主体布局与左侧轨道 ---------- */

.page-products .pp-layout {
  display: block;
  padding-block: clamp(8px, 2vw, 20px) 0;
}

.page-products .pp-rail {
  display: none;
}

.page-products .pp-sec {
  padding-block: clamp(36px, 5vw, 64px);
}

.page-products .pp-sec__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pp-sec__head h2 {
  font-family: var(--font-editorial);
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.24;
  margin: 8px 0 14px;
  max-width: 22em;
}

.page-products .pp-sec__lead {
  max-width: 46em;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

/* ---------- 矩阵 ---------- */

.page-products .pp-matrix-panel .panel__head h3 {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 8px 0 0;
}

.page-products .pp-matrix__scroll {
  overflow-x: auto;
  margin-bottom: 14px;
}

.page-products .pp-matrix {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 12px;
}

.page-products .pp-matrix th,
.page-products .pp-matrix td {
  border: 1px solid var(--line-soft);
  padding: 10px 8px;
  text-align: center;
  font-weight: 400;
}

.page-products .pp-matrix thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: rgba(30, 59, 85, 0.55);
}

.page-products .pp-matrix__corner {
  text-align: left;
  color: var(--muted);
}

.page-products .pp-matrix th.pp-matrix__row {
  text-align: left;
  white-space: nowrap;
  color: var(--text);
  background: rgba(16, 40, 63, 0.6);
}

.page-products .pp-matrix__cell.is-hit {
  background: rgba(70, 242, 224, 0.07);
  box-shadow: inset 0 0 0 1px rgba(70, 242, 224, 0.42);
}

.page-products .pp-matrix__cell.is-off {
  background: rgba(207, 197, 176, 0.07);
}

.page-products .pp-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(70, 242, 224, 0.75);
}

.page-products .pp-dot--off {
  background: transparent;
  border: 1px solid rgba(207, 197, 176, 0.5);
  box-shadow: none;
}

.page-products .pp-matrix__hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-matrix__hint a {
  color: var(--cyan);
}

.page-products .pp-matrix-lower {
  margin-top: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(16, 40, 63, 0.4);
}

.page-products .pp-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pp-table th {
  text-align: left;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--muted);
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-products .pp-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pp-table tbody tr:hover td {
  background: rgba(70, 242, 224, 0.04);
}

/* ---------- 步骤卡 ---------- */

.page-products .pp-steps__media {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .pp-steps {
  display: grid;
  gap: var(--pp-card-gap);
}

.page-products .pp-step {
  background: var(--console-blue);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--screen-blue);
  border-radius: var(--radius);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-products .pp-step:hover {
  transform: translateY(-2px);
}

.page-products .pp-step[open] {
  border-left-color: var(--cyan);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-panel);
}

.page-products .pp-step > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-step > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-products .pp-step__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-products .pp-step__toggle {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-products .pp-step__toggle::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  line-height: 1;
}

.page-products .pp-step[open] .pp-step__toggle::before {
  content: "−";
}

.page-products .pp-step__body {
  padding: 2px 16px 18px;
}

.page-products .pp-step[open] .pp-step__body {
  animation: pp-step-in 220ms var(--ease) both;
}

@keyframes pp-step-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .pp-step__grid {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-step__grid dt {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 5px;
}

.page-products .pp-step__grid dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(238, 243, 247, 0.86);
}

/* ---------- 费用 ---------- */

.page-products .pp-fees {
  color: var(--ink-text);
}

.page-products .pp-fees .panel__head h3 {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.05em;
  margin: 8px 0 0;
  color: var(--ink-text);
}

.page-products .pp-bar {
  display: flex;
  height: 46px;
  border: 1px solid rgba(13, 26, 36, 0.22);
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 18px;
}

.page-products .pp-bar__seg {
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-night);
  transition: filter 180ms var(--ease);
}

.page-products .pp-bar__seg--a {
  flex: 5 1 0;
  background: linear-gradient(90deg, var(--cyan), #2fd4c6);
}

.page-products .pp-bar__seg--b {
  flex: 3 1 0;
  background: var(--orange);
}

.page-products .pp-bar__seg--c {
  flex: 2 1 0;
  background: linear-gradient(90deg, var(--grass-deep), var(--grass-light));
  color: var(--ink-night);
}

.page-products .pp-bar__seg:hover {
  filter: brightness(1.08);
}

.page-products .pp-legend {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-legend__item {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .pp-legend__item::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--cyan);
  border-radius: 1px;
}

.page-products .pp-legend__item--b::before {
  background: var(--orange);
}

.page-products .pp-legend__item--c::before {
  background: var(--grass-deep);
}

.page-products .pp-legend__key {
  display: block;
  font-weight: 700;
  color: var(--ink-text);
}

.page-products .pp-legend__desc {
  display: block;
  color: rgba(13, 26, 36, 0.76);
}

.page-products .pp-tiers {
  margin-bottom: 18px;
}

.page-products .pp-tier {
  border-top: 2px solid rgba(13, 26, 36, 0.72);
  padding-top: 12px;
}

.page-products .pp-tier h4 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-text);
}

.page-products .pp-tier p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(13, 26, 36, 0.78);
}

.page-products .pp-fees__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(13, 26, 36, 0.18);
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(13, 26, 36, 0.72);
}

.page-products .pp-fees__media {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- 编号 ---------- */

.page-products .pp-code {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(16, 40, 63, 0.92), rgba(30, 59, 85, 0.55));
  padding: clamp(20px, 3vw, 34px);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .pp-code__sample {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 42px);
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .pp-code__part--key {
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

.page-products .pp-code__dash {
  color: var(--muted);
}

.page-products .pp-code__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-code__list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(238, 243, 247, 0.85);
}

.page-products .pp-code__seg {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 3px 6px;
  text-align: center;
}

.page-products .pp-code__seg--key {
  color: var(--orange);
  border-color: rgba(255, 122, 60, 0.5);
}

.page-products .pp-code__paths {
  align-items: stretch;
}

.page-products .pp-path .panel__head h3 {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  margin: 8px 0 0;
}

.page-products .pp-path .panel__body p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(238, 243, 247, 0.84);
}

.page-products .pp-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-products .pp-link:hover {
  color: var(--text);
}

/* ---------- 差异排查 ---------- */

.page-products .pp-diff {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line-soft);
}

.page-products .pp-diff__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0 18px 16px;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}

.page-products .pp-diff__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 22px;
  width: 1px;
  height: 22px;
  background: var(--cyan);
}

.page-products .pp-diff__no {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--orange);
  line-height: 1.2;
}

.page-products .pp-diff__text h3 {
  margin: 0 0 8px;
  font-family: var(--font-editorial);
  font-size: 17px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .pp-diff__text p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pp-diff__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 10px;
}

.page-products .pp-diff__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--orange);
}

/* ---------- 打印留档 ---------- */

.page-products .pp-archive {
  color: var(--ink-text);
}

.page-products .pp-archive .panel__head h3 {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.05em;
  margin: 8px 0 0;
  color: var(--ink-text);
}

.page-products .pp-archive__sub {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.07em;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(13, 26, 36, 0.2);
  color: var(--ink-text);
}

.page-products .pp-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pp-archive__list li {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(13, 26, 36, 0.8);
}

.page-products .pp-archive__list .num {
  color: #b8460f;
  margin-right: 6px;
}

.page-products .pp-archive__list strong {
  color: var(--ink-text);
  margin-right: 4px;
}

.page-products .pp-archive__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(13, 26, 36, 0.18);
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(13, 26, 36, 0.72);
}

.page-products .pp-archive__media {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- 收尾 ---------- */

.page-products .pp-cta {
  margin-block: clamp(30px, 4vw, 52px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, rgba(47, 143, 91, 0.16), transparent 58%),
    var(--console-blue);
  display: grid;
  gap: 22px;
}

.page-products .pp-cta__text h2 {
  font-family: var(--font-editorial);
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.28;
  margin: 8px 0 12px;
}

.page-products .pp-cta__text p {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pp-step__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 22px;
  }

  .page-products .pp-code__list li {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-products .pp-diff__item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: start;
  }

  .page-products .pp-diff__tag {
    grid-column: 3;
    margin-top: 4px;
  }

  .page-products .pp-legend {
    gap: 12px;
  }
}

@media (min-width: 860px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

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

  .page-products .pp-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(20px, 4vw, 48px);
  }

  .page-products .pp-cta .btn-row {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-layout {
    display: grid;
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pp-rail {
    display: block;
    position: sticky;
    top: 90px;
    padding-top: clamp(36px, 5vw, 64px);
  }

  .page-products .pp-rail__label {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--muted);
  }

  .page-products .pp-track {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
    display: grid;
    gap: 2px;
  }

  .page-products .pp-track .section-track__item a {
    display: block;
    padding: 8px 0 8px 14px;
    border-left: 1px solid var(--line-soft);
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--muted);
    text-decoration: none;
    transition: color 160ms var(--ease), border-color 160ms var(--ease);
  }

  .page-products .pp-track .section-track__item a:hover,
  .page-products .pp-track .section-track__item.is-current a {
    color: var(--cyan);
    border-left-color: var(--cyan);
  }

  .page-products .pp-rail__note {
    border-top: 1px solid var(--line-soft);
    padding-top: 14px;
  }

  .page-products .pp-rail__note p {
    margin: 0 0 8px;
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--muted);
  }

  .page-products .pp-rail__note a {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--cyan);
    text-decoration: none;
    border-bottom: 1px solid var(--line-strong);
  }

  .page-products .pp-sec {
    padding-block: clamp(40px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-step,
  .page-products .pp-bar__seg {
    transition: none;
  }

  .page-products .pp-step:hover {
    transform: none;
  }

  .page-products .pp-step[open] .pp-step__body {
    animation: none;
  }
}