.page-products {
  background:
    radial-gradient(900px 420px at 82% -8%, rgba(40, 224, 255, .10), transparent 62%),
    radial-gradient(620px 320px at 4% 12%, rgba(255, 106, 42, .07), transparent 60%);
}

/* ---------- 首屏 ---------- */
.page-products .crumbs {
  padding-top: clamp(12px, 2vw, 20px);
}

.page-products .intro {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(16px, 2.6vw, 26px);
  padding-bottom: clamp(22px, 3.4vw, 38px);
  border-bottom: 2px solid var(--line);
}

@media (min-width: 900px) {
  .page-products .intro {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

.page-products .intro__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -.022em;
  color: var(--text-hi);
}

.page-products .intro__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--text-dim);
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.8;
}

.page-products .intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .intro__side {
  position: relative;
  padding: 18px 18px 20px;
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--cyan-deep), var(--ink-800) 68%);
  box-shadow: var(--shadow-deep);
  overflow: hidden;
}

.page-products .intro__stamp {
  position: absolute;
  top: 14px;
  right: -34px;
  padding: 4px 40px;
  background: var(--orange);
  color: var(--ink-900);
  font-size: .66rem;
  letter-spacing: .22em;
  transform: rotate(38deg);
}

.page-products .intro__side-label {
  margin: 0;
  color: var(--text-dim);
  font-size: .72rem;
  letter-spacing: .18em;
}

.page-products .intro__ver {
  margin: 6px 0 0;
  color: var(--cyan);
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  letter-spacing: .08em;
  line-height: 1.1;
}

.page-products .intro__side-text {
  margin: 10px 0 16px;
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.75;
}

/* ---------- 左索引 + 右内容 ---------- */
.page-products .dl-layout {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  padding-bottom: clamp(44px, 6vw, 84px);
}

@media (min-width: 980px) {
  .page-products .dl-layout {
    grid-template-columns: minmax(176px, 3fr) minmax(0, 9fr);
    align-items: start;
  }
}

.page-products .vaxis {
  padding: 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-products .vaxis__title {
  margin: 0 0 10px;
  color: var(--text-hi);
  font-size: .74rem;
  letter-spacing: .2em;
}

.page-products .vaxis__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.page-products .vaxis__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--ink-700);
  color: var(--text-dim);
  font-size: .86rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .vaxis__link:hover,
.page-products .vaxis__link:focus-visible {
  color: var(--ink-on-cyan);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .vaxis__link:hover .vaxis__num,
.page-products .vaxis__link:focus-visible .vaxis__num {
  color: var(--ink-on-cyan);
}

.page-products .vaxis__num {
  color: var(--orange);
  font-size: .72rem;
  letter-spacing: .06em;
}

.page-products .vaxis__meta {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-dim);
  font-size: .68rem;
  line-height: 1.7;
  letter-spacing: .04em;
}

@media (min-width: 980px) {
  .page-products .vaxis {
    position: sticky;
    top: 18px;
  }
  .page-products .vaxis__list {
    flex-direction: column;
    overflow-x: visible;
    gap: 6px;
  }
  .page-products .vaxis__link {
    width: 100%;
    justify-content: flex-start;
  }
}

.page-products .dl-main > * + * {
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 章节通用 ---------- */
.page-products .sect {
  padding: clamp(18px, 2.6vw, 30px);
  border-radius: var(--radius);
}

.page-products .sect__kicker {
  margin: 0;
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .2em;
}

.page-products .sect__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.014em;
  color: var(--text-hi);
}

.page-products .sect__lede {
  margin: 12px 0 0;
  max-width: 66ch;
  color: var(--text-dim);
  line-height: 1.8;
  font-size: .96rem;
}

.page-products .sect__note {
  margin: 14px 0 0;
  color: var(--text-dim);
  font-size: .72rem;
  line-height: 1.7;
  letter-spacing: .03em;
}

/* ---------- 横向归档卡 ---------- */
.page-products .rail {
  margin-top: 20px;
}

.page-products .rail__track {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 4px 2px 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .rail__card {
  flex: 0 0 min(82%, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-products .rail__card--current {
  border-color: var(--cyan);
  background: linear-gradient(170deg, rgba(40, 224, 255, .12), var(--ink-700) 58%);
}

.page-products .rail__flag {
  margin: 0;
  color: var(--text-dim);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-products .rail__flag--orange {
  color: var(--orange);
}

.page-products .rail__ver {
  margin: 0;
  color: var(--cyan);
  font-size: 1.5rem;
  letter-spacing: .06em;
  line-height: 1.2;
}

.page-products .rail__ver--stack {
  font-size: 1rem;
  line-height: 1.6;
}

.page-products .rail__use {
  margin: 0;
  color: var(--text-hi);
  font-weight: 700;
  font-size: .92rem;
}

.page-products .rail__desc {
  margin: 0 0 4px;
  color: var(--text-dim);
  font-size: .86rem;
  line-height: 1.75;
  flex: 1 1 auto;
}

.page-products .rail__card .btn {
  align-self: flex-start;
}

/* ---------- 图片 ---------- */
.page-products .figure {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

.page-products .figure__caption {
  margin-top: 8px;
  color: var(--text-dim);
  font-size: .76rem;
  line-height: 1.7;
}

/* ---------- 对比表 ---------- */
.page-products .vtable-wrap {
  margin-top: 18px;
  overflow-x: auto;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-products .vtable {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: .84rem;
}

.page-products .vtable th,
.page-products .vtable td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .vtable thead th {
  background: var(--ink-700);
  color: var(--text-hi);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  white-space: nowrap;
  border-bottom: 2px solid var(--line);
}

.page-products .vtable thead th.vtable__cur {
  color: var(--orange);
  box-shadow: inset 0 3px 0 var(--orange);
}

.page-products .vtable__badge {
  display: block;
  margin-top: 2px;
  color: var(--orange);
  font-size: .62rem;
  letter-spacing: .14em;
}

.page-products .vtable tbody th[scope="row"] {
  color: var(--text-dim);
  font-weight: 500;
  font-size: .82rem;
  background: rgba(28, 36, 48, .55);
  white-space: nowrap;
}

.page-products .vtable td {
  color: var(--text-dim);
}

.page-products .vtable td.vtable__hi {
  color: var(--cyan);
  font-weight: 600;
}

.page-products .vtable__group th {
  padding: 12px;
  background: var(--ink-700);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  border-top: 2px solid var(--line);
}

.page-products .vtable tbody tr:hover td,
.page-products .vtable tbody tr:hover th[scope="row"] {
  background: rgba(40, 224, 255, .09);
}

.page-products .vtable tbody tr:hover td.vtable__hi {
  color: var(--text-hi);
}

@media (max-width: 899px) {
  .page-products .vtable {
    min-width: 0;
    font-size: .88rem;
  }
  .page-products .vtable thead {
    display: none;
  }
  .page-products .vtable tbody,
  .page-products .vtable tr,
  .page-products .vtable td,
  .page-products .vtable th {
    display: block;
    width: auto;
  }
  .page-products .vtable tr {
    margin-bottom: 12px;
    border: 2px solid var(--line);
    background: var(--ink-800);
  }
  .page-products .vtable tr:last-child {
    margin-bottom: 0;
  }
  .page-products .vtable th[scope="row"] {
    white-space: normal;
    padding: 10px 12px;
    background: var(--ink-700);
    color: var(--text-hi);
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .05em;
    border-bottom: 1px solid var(--line);
  }
  .page-products .vtable td {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 8px 12px;
  }
  .page-products .vtable td::before {
    content: attr(data-label);
    flex: 0 0 auto;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .05em;
    opacity: .85;
  }
  .page-products .vtable tr.vtable__group {
    border: 0;
    background: none;
    margin-bottom: 8px;
  }
  .page-products .vtable tr.vtable__group th {
    display: block;
    padding: 10px 0 4px;
    background: none;
    border-top: 0;
    border-bottom: 1px solid var(--line-soft);
    color: var(--orange);
  }
  .page-products .vtable-wrap {
    overflow-x: visible;
    border: 0;
    background: none;
  }
}

/* ---------- 六步 ---------- */
.page-products .steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

@media (min-width: 780px) {
  .page-products .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  background: var(--ink-700);
}

.page-products .step__num {
  color: var(--orange);
  font-size: 1.05rem;
  letter-spacing: .06em;
}

.page-products .step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-hi);
}

.page-products .step__text {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: .86rem;
  line-height: 1.75;
}

/* ---------- 手风琴 ---------- */
.page-products .acc {
  margin-top: 20px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-products .acc__title {
  margin: 0;
}

.page-products .acc__trigger {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: .94rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-products .acc__trigger::after {
  content: "＋";
  float: right;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-products .acc__trigger[aria-expanded="true"]::after {
  content: "－";
  color: var(--orange);
}

.page-products .acc__trigger:hover,
.page-products .acc__trigger:focus-visible {
  background: var(--ink-700);
}

.page-products .acc__panel {
  padding: 0 16px 16px;
}

.page-products .acc__panel p {
  margin: 0;
  color: var(--text-dim);
  font-size: .88rem;
  line-height: 1.8;
}

/* ---------- 多端显示 ---------- */
.page-products .devices {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

@media (min-width: 700px) {
  .page-products .devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .device {
  padding: 14px;
  border: 2px solid var(--line);
  border-top: 4px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-products .device__name {
  margin: 0;
  color: var(--cyan);
  font-size: .78rem;
  letter-spacing: .18em;
}

.page-products .device__text {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: .86rem;
  line-height: 1.75;
}

.page-products .fix {
  margin-top: 18px;
  padding: 16px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(28, 36, 48, .45);
}

.page-products .fix__title {
  margin: 0;
  color: var(--orange);
  font-size: .76rem;
  letter-spacing: .16em;
}

.page-products .fix__list {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: .86rem;
  line-height: 1.85;
}

.page-products .fix__list li::marker {
  color: var(--cyan);
  font-family: var(--font-mono);
}

/* ---------- 收尾 ---------- */
.page-products .closer {
  padding: clamp(20px, 3vw, 32px);
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--cyan-deep), var(--ink-800) 72%);
  box-shadow: var(--shadow-deep);
}

.page-products .closer__kicker {
  margin: 0;
  color: var(--orange);
  font-size: .72rem;
  letter-spacing: .24em;
}

.page-products .closer__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.4vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -.012em;
  color: var(--text-hi);
}

.page-products .closer__text {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: .92rem;
  line-height: 1.8;
}

.page-products .closer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
<<<END>>>