.page-products {
  --p-pad: clamp(52px, 8vw, 100px);
  --p-head-gap: clamp(20px, 3vw, 32px);
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mute);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-products .p-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(108px, 14vw, 168px) 0 clamp(48px, 6vw, 80px);
}

.page-products .p-hero::after {
  content: "";
  position: absolute;
  inset: auto -18% 8% auto;
  width: min(52vw, 620px);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-organic);
  background: radial-gradient(circle at 32% 32%, rgba(35, 224, 208, .2), rgba(6, 23, 38, 0) 68%);
  pointer-events: none;
}

.page-products .p-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .p-hero__eyebrow {
  color: var(--cyan);
}

.page-products .p-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 18px 0 0;
  max-width: 18em;
  color: var(--paper);
}

.page-products .p-hero__lede {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 42em;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3vw, 38px);
}

.page-products .p-hero__facts {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: clamp(20px, 2.4vw, 28px) 0 0;
  border-top: 1px solid rgba(214, 227, 232, .16);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.page-products .p-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .p-hero__facts .num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .p-hero__facts li > span:last-child {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

/* ---------- 通用章节标题 ---------- */
.page-products .p-head {
  max-width: 46em;
  margin-bottom: var(--p-head-gap);
}

.page-products .p-head .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 10px 0 0;
  color: var(--ink-900);
}

.page-products .p-head__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 双主线 ---------- */
.page-products .p-paths {
  padding: var(--p-pad) 0;
  background: var(--paper);
}

.page-products .p-filter {
  margin-bottom: clamp(26px, 3vw, 38px);
}

.page-products .p-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 44px);
}

.page-products .p-path {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-products .p-path__top {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .p-path__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--teal);
  flex: none;
}

.page-products .p-path__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink-900);
}

.page-products .p-path__media {
  margin: 0;
  border-radius: var(--radius-organic);
  overflow: hidden;
  background: var(--mist);
}

.page-products .p-path__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center;
}

.page-products .p-path__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .p-counts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
}

.page-products .p-count {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .p-count__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink-900);
}

.page-products .p-count__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

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

.page-products .p-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-top: 14px;
  border-top: 1px solid var(--mist);
}

.page-products .p-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--teal);
}

.page-products .p-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--graphite);
}

/* ---------- 三类资料 ---------- */
.page-products .p-docs {
  background: var(--ink-900);
  color: var(--paper);
  padding: var(--p-pad) 0;
}

.page-products .p-docs .p-head .section-title,
.page-products .p-diff .p-head .section-title,
.page-products .p-help__main .section-title {
  color: var(--paper);
}

.page-products .p-docs .p-head__text {
  color: var(--mist);
}

.page-products .p-docs__media {
  margin: 0 0 clamp(24px, 3vw, 36px);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

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

.page-products .p-doc-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 18px;
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 1px solid rgba(214, 227, 232, .16);
}

.page-products .p-doc-list .p-doc-row:last-child {
  border-bottom: 1px solid rgba(214, 227, 232, .16);
}

.page-products .p-doc-row__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  padding-top: 6px;
}

.page-products .p-doc-row h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  margin: 0;
  color: var(--paper);
}

.page-products .p-doc-row p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .p-amber-link {
  grid-column: 2;
  justify-self: start;
  margin-top: 12px;
  border: 1px solid var(--amber);
  color: var(--amber);
  background: transparent;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 13px;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-products .p-amber-link:hover,
.page-products .p-amber-link:focus-visible {
  background: var(--amber);
  color: var(--ink-900);
}

/* ---------- 场景取用 ---------- */
.page-products .p-pick {
  background: var(--paper);
  padding: var(--p-pad) 0;
}

.page-products .p-pick__media {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border-radius: var(--radius-organic);
  overflow: hidden;
}

.page-products .p-pick__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  max-height: clamp(200px, 26vw, 340px);
  object-fit: cover;
}

.page-products .p-tree__branches {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .p-tree__branch {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--mist);
  border-radius: var(--radius-md);
  background: rgba(214, 227, 232, .28);
  min-width: 0;
}

.page-products .p-tree__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--teal);
}

.page-products .p-tree__branch h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-products .p-tree__branch p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .p-tree__docs {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed rgba(14, 142, 134, .4);
  display: grid;
  gap: 8px;
}

.page-products .p-tree__docs li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-500);
}

.page-products .p-tree__docs li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: translateY(-1px);
}

.page-products .p-tree__lines {
  display: none;
}

.page-products .p-tree__hub {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-md);
  background: var(--ink-900);
  color: var(--paper);
}

.page-products .p-tree__hub p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 版本差异 ---------- */
.page-products .p-diff {
  background: var(--ink-700);
  color: var(--paper);
  padding: var(--p-pad) 0;
}

.page-products .p-diff__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(214, 227, 232, .18);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .p-diff__item {
  background: var(--ink-700);
  padding: clamp(22px, 3vw, 34px);
  min-width: 0;
}

.page-products .p-diff__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .p-diff__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .p-diff__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .p-diff__item .num {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}

.page-products .p-diff__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .p-diff__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 224, 208, .45);
  padding-bottom: 1px;
}

.page-products .p-diff__foot a:hover,
.page-products .p-diff__foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 疑问 ---------- */
.page-products .p-faq {
  background: var(--paper);
  padding: var(--p-pad) 0;
}

.page-products .p-faq__list {
  margin-top: clamp(8px, 1.5vw, 16px);
}

.page-products .p-faq__item {
  border-top: 1px solid var(--mist);
  padding: 16px 0;
}

.page-products .p-faq__item:last-child {
  border-bottom: 1px solid var(--mist);
}

.page-products .p-faq__item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
  list-style: none;
}

.page-products .p-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-products .p-faq__item summary::before {
  content: "";
  flex: none;
  width: 3px;
  height: 18px;
  margin-top: 4px;
  border-radius: 2px;
  background: var(--mist);
  transition: background .2s var(--ease);
}

.page-products .p-faq__item[open] summary::before {
  background: var(--cyan);
}

.page-products .p-faq__item p {
  margin: 10px 0 0 15px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 人工协助 ---------- */
.page-products .p-help {
  background: var(--ink-900);
  color: var(--paper);
  padding: var(--p-pad) 0;
}

.page-products .p-help__band {
  margin: 0 0 clamp(32px, 4vw, 48px);
  border-radius: var(--radius-organic);
  overflow: hidden;
}

.page-products .p-help__band img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
}

.page-products .p-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-products .p-help__main {
  min-width: 0;
}

.page-products .p-help__main .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 12px 0 0;
}

.page-products .p-help__main > p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .p-help__main .p-steps {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .p-steps--dark .p-step {
  border-top-color: rgba(214, 227, 232, .18);
}

.page-products .p-steps--dark .p-step p {
  color: var(--mist);
}

.page-products .p-steps--dark .p-step__num {
  color: var(--cyan);
}

.page-products .p-help__card {
  background: var(--ink-700);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 30px);
  min-width: 0;
}

.page-products .p-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .p-contact li {
  display: grid;
  gap: 6px;
}

.page-products .p-contact .contact-label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mute);
}

.page-products .p-contact .contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-products .p-contact li:last-child .contact-value {
  font-family: var(--font-body);
  font-size: 14px;
}

.page-products .copy-btn {
  justify-self: start;
  margin-top: 4px;
  padding: 5px 14px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .copy-btn:hover,
.page-products .copy-btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .copy-btn[data-copied] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .p-help__card .contact-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(214, 227, 232, .18);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

.page-products .p-help__more {
  margin: clamp(28px, 4vw, 40px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .p-help__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 224, 208, .45);
  padding-bottom: 1px;
}

.page-products .p-help__more a:hover,
.page-products .p-help__more a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-products .p-doc-row {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .p-amber-link {
    grid-column: 3;
    justify-self: end;
    margin-top: 0;
  }

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

@media (min-width: 900px) {
  .page-products .p-paths__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-products .p-path {
    padding: 0 clamp(24px, 3vw, 44px);
  }

  .page-products .p-path:first-child {
    padding-left: 0;
  }

  .page-products .p-path:last-child {
    padding-right: 0;
    border-left: 1px solid var(--mist);
  }

  .page-products .p-tree__branches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 28px);
  }

  .page-products .p-tree__lines {
    display: block;
    width: 100%;
    height: 64px;
    margin: 0;
  }

  .page-products .p-tree__lines path {
    fill: none;
    stroke: var(--cyan);
    stroke-width: 1.5;
    vector-effect: non-scaling-stroke;
    opacity: .55;
  }

  .page-products .p-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .breadcrumb a,
  .page-products .p-amber-link,
  .page-products .copy-btn,
  .page-products .p-faq__item summary::before {
    transition: none;
  }
}