.page-products {
  --pp-pad: clamp(56px, 8vw, 100px);
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.8;
  overflow-x: clip;
}

.page-products .p-crumb {
  padding-top: 22px;
  padding-bottom: 6px;
}

.page-products .p-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--mist-ink);
}

.page-products h1 {
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-products .p-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.18;
}

.page-products .p-head {
  max-width: 62ch;
  margin-bottom: 34px;
}

.page-products .p-head__sub {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.page-products .p-link {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 3px solid var(--signal);
  padding-bottom: 1px;
}

.page-products .p-link:hover {
  background: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-products .p-hero {
  padding: 22px 0 clamp(52px, 7vw, 84px);
  background-color: var(--paper);
  background-image: radial-gradient(var(--snow) 1.2px, transparent 1.2px);
  background-size: 20px 20px;
  border-bottom: var(--line) solid var(--graphite);
}

.page-products .p-hero__grid {
  display: grid;
  gap: 34px;
}

.page-products .p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 20px;
}

.page-products .p-hero__panel {
  padding: 18px 16px 16px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
}

.page-products .p-hero__panel-foot {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--mist-ink);
  border-left: 3px solid var(--mist);
  padding-left: 10px;
}

.page-products .p-lines {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .p-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border: 2px solid var(--graphite);
  font-size: 15px;
  font-weight: 500;
}

.page-products .p-line--v3 { background: var(--signal); }
.page-products .p-line--stable { background: var(--graphite); color: var(--paper); }
.page-products .p-line--plus { background: var(--amber); }
.page-products .p-line--archive { background: var(--mist); }

.page-products .p-line__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  opacity: 0.85;
  white-space: nowrap;
}

/* ---------- 四条版本线 ---------- */
.page-products .p-lines-block {
  padding: var(--pp-pad) 0;
}

.page-products .p-ribbon {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border: var(--line) solid var(--graphite);
  background: var(--lift);
  box-shadow: var(--shadow-hard);
}

.page-products .p-ribbon__item {
  display: flex;
  flex-direction: column;
  border-bottom: var(--line) solid var(--graphite);
  background: var(--lift);
}

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

.page-products .p-ribbon__bar {
  display: block;
  height: 14px;
  border-bottom: var(--line) solid var(--graphite);
}

.page-products .p-ribbon__bar--v3 { background: var(--signal); }
.page-products .p-ribbon__bar--stable { background: var(--graphite); }
.page-products .p-ribbon__bar--plus { background: var(--amber); }
.page-products .p-ribbon__bar--archive { background: var(--mist); }

.page-products .p-ribbon__body {
  padding: 16px 18px 22px;
}

.page-products .p-ribbon__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--mist-ink);
}

.page-products .p-ribbon__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
}

.page-products .p-ribbon__body p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-products .p-ribbon__who {
  margin: 0;
  padding-top: 10px;
  border-top: 2px dashed var(--snow);
  font-size: 13px;
  color: var(--mist-ink);
}

/* ---------- 版本索引 ---------- */
.page-products .p-index {
  padding: var(--pp-pad) 0;
  background: var(--lift);
  border-top: var(--line) solid var(--graphite);
  border-bottom: var(--line) solid var(--graphite);
}

.page-products .vf-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .vf-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
}

.page-products .vf-btn {
  display: inline-block;
  padding: 10px 16px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  color: var(--graphite);
  background: var(--lift);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  user-select: none;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .vf-btn:hover {
  transform: translate(-1px, -1px);
}

.page-products #vf-all:checked ~ .vf-labels .vf-btn--all,
.page-products #vf-v3:checked ~ .vf-labels .vf-btn--v3,
.page-products #vf-stable:checked ~ .vf-labels .vf-btn--stable,
.page-products #vf-plus:checked ~ .vf-labels .vf-btn--plus,
.page-products #vf-archive:checked ~ .vf-labels .vf-btn--archive {
  background: var(--graphite);
  color: var(--paper);
}

.page-products #vf-all:focus-visible ~ .vf-labels .vf-btn--all,
.page-products #vf-v3:focus-visible ~ .vf-labels .vf-btn--v3,
.page-products #vf-stable:focus-visible ~ .vf-labels .vf-btn--stable,
.page-products #vf-plus:focus-visible ~ .vf-labels .vf-btn--plus,
.page-products #vf-archive:focus-visible ~ .vf-labels .vf-btn--archive {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

.page-products #vf-v3:checked ~ .vtable-wrap .vt-row:not([data-line="v3"]),
.page-products #vf-stable:checked ~ .vtable-wrap .vt-row:not([data-line="stable"]),
.page-products #vf-plus:checked ~ .vtable-wrap .vt-row:not([data-line="plus"]),
.page-products #vf-archive:checked ~ .vtable-wrap .vt-row:not([data-line="archive"]) {
  display: none;
}

.page-products .p-figure {
  margin: 0 0 26px;
  background: var(--paper);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-products .p-cap {
  padding: 10px 14px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-ink);
  border-top: 2px solid var(--graphite);
  background: var(--paper);
}

.page-products .p-figure--tall {
  margin: 26px 0 0;
}

.page-products .p-figure--flush {
  margin: 20px 0 0;
  box-shadow: var(--shadow-sm);
}

.page-products .vtable-wrap {
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--lift);
  overflow-x: auto;
}

.page-products .vtable {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .vtable__caption {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  color: var(--mist-ink);
  background: var(--snow);
  border-bottom: 2px solid var(--graphite);
}

.page-products .vtable th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--graphite);
  white-space: nowrap;
}

.page-products .vtable td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--snow);
  vertical-align: top;
}

.page-products .vtable tbody tr:nth-child(even) {
  background: #F4F1E9;
}

.page-products .vtable tbody tr:hover {
  background: #E8FBF1;
}

.page-products .vtable tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .vt-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--mist-ink);
}

.page-products .vt-ver {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.page-products .vt-line {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  border: 2px solid var(--graphite);
  white-space: nowrap;
}

.page-products .vt-line--v3 { background: var(--signal); }
.page-products .vt-line--stable { background: var(--graphite); color: var(--paper); }
.page-products .vt-line--plus { background: var(--amber); }
.page-products .vt-line--archive { background: var(--mist); }

.page-products .vt-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.page-products .vt-desc {
  color: var(--ink-soft);
  font-size: 14px;
}

/* ---------- 历史版本三步 ---------- */
.page-products .p-history {
  padding: var(--pp-pad) 0;
  background: var(--paper);
}

.page-products .p-history__grid {
  display: grid;
  gap: 34px;
}

.page-products .p-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .p-track__item {
  position: relative;
  padding: 0 0 30px 54px;
}

.page-products .p-track__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: 0;
  width: var(--line);
  background: var(--graphite);
}

.page-products .p-track__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
}

.page-products .p-track__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.page-products .p-track__item p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-products .p-track__item--key {
  padding: 16px 16px 20px 58px;
  margin-bottom: 30px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-sm);
}

.page-products .p-track__item--key::before {
  display: none;
}

.page-products .p-track__item--key .p-track__num {
  left: 14px;
  top: 16px;
  background: var(--signal);
}

.page-products .p-track__item--key h3 {
  font-size: 21px;
}

.page-products .p-track__item--key p {
  margin-top: 8px;
}

/* ---------- CN 变更说明 ---------- */
.page-products .p-changes {
  padding: var(--pp-pad) 0;
  background: var(--snow);
  border-top: var(--line) solid var(--graphite);
  border-bottom: var(--line) solid var(--graphite);
}

.page-products .p-changes__grid {
  display: grid;
  gap: 30px;
}

.page-products .p-changes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .p-changes__list li {
  padding: 18px 18px 20px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-sm);
}

.page-products .p-changes__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  background: var(--signal);
  border: 2px solid var(--graphite);
}

.page-products .p-changes__list h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
}

.page-products .p-changes__list p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-products .p-check {
  padding: 20px 18px 18px;
  background: var(--graphite);
  color: var(--paper);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
}

.page-products .p-check .p-kicker {
  color: var(--signal);
}

.page-products .p-check__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  counter-reset: none;
}

.page-products .p-check__list li {
  display: flex;
  gap: 10px;
  padding: 11px 0;
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid rgba(250, 247, 240, 0.22);
}

.page-products .p-check__list li:last-child {
  border-bottom: 0;
}

.page-products .p-check__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--signal);
}

.page-products .p-check__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 2px solid var(--signal);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(250, 247, 240, 0.78);
}

/* ---------- 导出功能 ---------- */
.page-products .p-export {
  padding: var(--pp-pad) 0;
  background: var(--amber);
  border-bottom: var(--line) solid var(--graphite);
  color: var(--graphite);
}

.page-products .p-export .p-kicker {
  color: var(--amber-ink);
}

.page-products .p-export__grid {
  display: grid;
  gap: 30px;
}

.page-products .p-export__copy p {
  font-size: 16px;
  margin: 0 0 14px;
  max-width: 58ch;
}

.page-products .p-export__copy .btn {
  margin-top: 8px;
}

.page-products .p-export__panel {
  padding: 18px 16px 20px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
}

.page-products .p-export__panel-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber-ink);
}

.page-products .p-export__code {
  margin: 0 0 18px;
  padding: 12px 14px;
  overflow-x: auto;
  background: var(--graphite);
  border: var(--line) solid var(--graphite);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--signal);
  white-space: nowrap;
}

.page-products .p-export__code code {
  font-family: inherit;
}

.page-products .p-export__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .p-export__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.page-products .p-export__num {
  flex: none;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--graphite);
}

/* ---------- 校验与适配 ---------- */
.page-products .p-verify {
  padding: var(--pp-pad) 0;
  background: var(--mist);
  border-bottom: var(--line) solid var(--graphite);
}

.page-products .p-verify__grid {
  display: grid;
  gap: 30px;
}

.page-products .p-verify .p-figure {
  background: var(--lift);
}

.page-products .p-verify__copy > p {
  max-width: 56ch;
  margin: 0 0 20px;
  font-size: 16px;
  color: var(--graphite);
}

.page-products .p-verify__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .p-verify__list li {
  padding: 14px 16px 16px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
}

.page-products .p-verify__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
}

.page-products .p-verify__list p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- 三种场景 ---------- */
.page-products .p-scenes {
  padding: var(--pp-pad) 0;
  background: var(--paper);
}

.page-products .p-scenes__grid {
  display: grid;
  gap: 16px;
}

.page-products .p-scene {
  padding: 18px 18px 20px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-sm);
}

.page-products .p-scene__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--coral);
}

.page-products .p-scene h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
}

.page-products .p-scene > p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-products .p-scene__path {
  margin: 0;
  padding-top: 10px;
  border-top: 2px dashed var(--snow);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--signal-ink);
}

.page-products .p-scenes__figure {
  margin: 28px 0 0;
}

/* ---------- 收尾 ---------- */
.page-products .p-outro {
  padding: clamp(48px, 6vw, 76px) 0 clamp(56px, 7vw, 88px);
  background: var(--graphite);
  color: var(--paper);
}

.page-products .p-outro__band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 10px;
  margin-bottom: 28px;
}

.page-products .p-outro__band span:nth-child(1) { background: var(--signal); }
.page-products .p-outro__band span:nth-child(2) { background: var(--amber); }
.page-products .p-outro__band span:nth-child(3) { background: var(--mist); }
.page-products .p-outro__band span:nth-child(4) { background: var(--coral); }

.page-products .p-outro__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.25;
}

.page-products .p-outro__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid rgba(250, 247, 240, 0.25);
}

.page-products .p-outro__links li {
  border-bottom: 2px solid rgba(250, 247, 240, 0.25);
}

.page-products .p-outro__links a {
  display: block;
  padding: 15px 4px 15px 0;
  font-size: 16px;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-products .p-outro__links a:hover {
  color: var(--signal);
  padding-left: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .p-ribbon {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .p-ribbon__item {
    border-bottom: var(--line) solid var(--graphite);
  }

  .page-products .p-ribbon__item:nth-child(2n) {
    border-left: 0;
  }

  .page-products .p-ribbon__item:nth-last-child(-n+2) {
    border-bottom: 0;
  }

  .page-products .p-changes__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .p-scene:nth-child(2) {
    transform: translateY(18px);
  }
}

@media (min-width: 900px) {
  .page-products .p-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .p-hero__panel {
    transform: rotate(-1.4deg);
    margin-top: 10px;
  }

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

  .page-products .p-ribbon__item {
    border-bottom: 0;
    border-left: 0;
    border-right: var(--line) solid var(--graphite);
  }

  .page-products .p-ribbon__item:last-child {
    border-right: 0;
  }

  .page-products .p-history__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .p-export__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .p-verify__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: center;
  }

  .page-products .p-outro__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .vf-btn,
  .page-products .p-outro__links a {
    transition: none;
  }

  .page-products .vf-btn:hover {
    transform: none;
  }

  .page-products .p-outro__links a:hover {
    padding-left: 0;
  }

  .page-products .p-hero__panel,
  .page-products .p-scene:nth-child(2) {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>