.page-products {
  --pp-pad: clamp(1.1rem, 3vw, 1.9rem);
  --pp-gap: clamp(1rem, 2.6vw, 2rem);
  --pp-title: clamp(1.45rem, 3.2vw, 2.1rem);
  --pp-h1: clamp(2rem, 6vw, 4.1rem);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(1.25rem, 3.5vw, 2.5rem) clamp(1.75rem, 4.5vw, 3rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--pp-h1);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.9rem 0 1.1rem;
  max-width: 20ch;
  color: var(--text);
}

.page-products .prod-hero__lede {
  max-width: 62ch;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 1.4rem;
}

.page-products .prod-hero__facts {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-products .prod-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem 0.35rem 0.7rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  background: var(--panel);
}

.page-products .prod-hero__note {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-products .prod-hero__note a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 193, 0.35);
}

.page-products .prod-hero__note a:hover {
  border-bottom-color: var(--teal);
}

/* ---------- 章节骨架 ---------- */
.page-products .section__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--pp-title);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0.4rem 0 1rem;
}

.page-products .prose {
  max-width: 68ch;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 1.2rem;
}

.page-products .prose--tight {
  margin-top: 1.25rem;
}

.page-products .section__head--media {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

@media (min-width: 900px) {
  .page-products .section__head--media {
    grid-template-columns: minmax(0, 1fr) 220px;
  }
}

/* ---------- 安装步骤 ---------- */
.page-products .steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

@media (min-width: 760px) {
  .page-products .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
}

.page-products .steps__item {
  position: relative;
  padding: 0.5rem 1rem 0.5rem 0;
  border-top: 2px solid var(--line-soft);
  transition: border-color 0.28s var(--ease);
}

.page-products .steps__item::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 28px;
  height: 2px;
  background: currentColor;
}

.page-products .steps__item:nth-child(1) { color: var(--spring); border-color: rgba(55, 214, 122, 0.22); }
.page-products .steps__item:nth-child(2) { color: var(--summer); border-color: rgba(255, 138, 61, 0.22); }
.page-products .steps__item:nth-child(3) { color: var(--autumn); border-color: rgba(242, 179, 61, 0.22); }
.page-products .steps__item:nth-child(4) { color: var(--winter); border-color: rgba(169, 198, 216, 0.22); }

.page-products .steps__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  line-height: 1;
  font-weight: 600;
  margin: 0.9rem 0 0.55rem;
}

.page-products .steps__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.page-products .steps__text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ---------- 媒体与表格 ---------- */
.page-products .media {
  margin: 1.75rem 0;
}

.page-products .media--wide {
  margin-inline: 0;
}

.page-products .media__frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--panel);
}

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

.page-products .media--badge .media__frame {
  border-radius: var(--r-md);
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .data-table {
  width: 100%;
  min-width: 560px;
}

/* ---------- 参数带 ---------- */
.page-products .paramstrip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 2rem;
  padding: 0.95rem 0;
  margin-block: clamp(1.5rem, 4vw, 2.75rem);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-products .paramstrip b {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 首屏预览 ---------- */
.page-products .firstlook {
  display: grid;
  gap: var(--pp-gap);
}

@media (min-width: 960px) {
  .page-products .firstlook {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .firstlook__cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .fl-card {
  position: relative;
  padding: 1.1rem 1.2rem;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--spring);
  transition: transform 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-products .fl-card--summer { border-left-color: var(--summer); }
.page-products .fl-card--winter { border-left-color: var(--winter); }

.page-products .fl-card:hover {
  transform: translateY(-2px);
  background: var(--panel-up);
}

.page-products .fl-card__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.page-products .fl-card__value {
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1;
  font-weight: 600;
  color: var(--text);
}

.page-products .fl-card__unit {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-left: 0.5rem;
}

.page-products .fl-card__note {
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0.6rem 0 0;
  letter-spacing: 0.01em;
}

/* ---------- 模块卡 ---------- */
.page-products .modules {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.5rem;
}

@media (min-width: 880px) {
  .page-products .modules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .module {
  position: relative;
  padding: calc(var(--pp-pad) + 0.35rem) var(--pp-pad);
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: transform 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-products .module::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--mcolor);
}

.page-products .module:hover,
.page-products .module:focus-within {
  transform: translateY(-2px);
  background: var(--panel-up);
}

.page-products .module--spring { --mcolor: var(--spring); }
.page-products .module--summer { --mcolor: var(--summer); }
.page-products .module--autumn { --mcolor: var(--autumn); }
.page-products .module--winter { --mcolor: var(--winter); }

.page-products .module__index {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mcolor);
  margin: 0 0 0.5rem;
}

.page-products .module__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.page-products .module__q {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 0.9rem;
}

.page-products .module__fields {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .module__fields li {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  padding: 0.28rem 0.7rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  color: var(--text);
  background: rgba(169, 198, 216, 0.05);
}

.page-products .module__meta {
  font-size: 0.75rem;
  line-height: 1.75;
  color: var(--muted);
  letter-spacing: 0.01em;
  margin: 0;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--line-soft);
}

/* ---------- 字段区 ---------- */
.page-products .fields {
  display: grid;
  gap: var(--pp-gap);
  margin-top: 1.5rem;
}

@media (min-width: 980px) {
  .page-products .fields {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }
}

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

.page-products .fields__table .data-table {
  min-width: 520px;
}

.page-products .field-tip {
  border-bottom: 1px dotted var(--teal);
  cursor: help;
}

/* ---------- 版本对照表 ---------- */
.page-products .plan-table tbody th[scope="row"] {
  text-align: left;
}

/* ---------- 流程泳道 ---------- */
.page-products .flow {
  position: relative;
  margin-top: 1.5rem;
}

.page-products .flow__media {
  margin: 0 0 1.5rem;
}

.page-products .flow__text {
  display: none;
}

.page-products .flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: flowstep;
}

@media (min-width: 720px) {
  .page-products .flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }
}

.page-products .flow__step {
  position: relative;
  padding: 1.1rem 1rem 1.1rem 0;
  border-left: 1px solid var(--line-soft);
  padding-left: 1rem;
  transition: background-color 0.28s var(--ease);
}

.page-products .flow__step:hover {
  background: rgba(22, 48, 42, 0.5);
}

.page-products .flow__idx {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.page-products .flow__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.page-products .flow__time {
  font-size: 0.75rem;
  color: var(--summer);
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
}

.page-products .flow__desc {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ---------- 版本记录 ---------- */
.page-products .versions__banner {
  margin: 1.5rem 0 1.25rem;
}

.page-products .versions {
  display: grid;
  gap: 0.6rem;
}

.page-products .ver {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  transition: background-color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-products .ver[open] {
  background: var(--panel-up);
  border-color: var(--line);
}

.page-products .ver__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.1rem;
  min-height: 44px;
}

.page-products .ver__summary::-webkit-details-marker {
  display: none;
}

.page-products .ver__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 0.9rem;
  color: var(--muted);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .ver[open] .ver__summary::after {
  content: "－";
  color: var(--teal);
}

.page-products .ver__summary:hover::after {
  color: var(--teal);
}

.page-products .ver__summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-products .ver__tag {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--teal);
  min-width: 3rem;
}

.page-products .ver__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.page-products .ver__body {
  padding: 0 1.1rem 1rem 1.1rem;
}

.page-products .ver__body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 疑难解答 ---------- */
.page-products .help {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-products .help__item {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  transition: background-color 0.28s var(--ease);
}

.page-products .help__item[open] {
  background: var(--panel-up);
}

.page-products .help__q {
  list-style: none;
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.page-products .help__q::-webkit-details-marker {
  display: none;
}

.page-products .help__q::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--spring);
  margin-right: 0.75rem;
  flex: 0 0 auto;
}

.page-products .help__item:nth-child(2) .help__q::before { background: var(--summer); }
.page-products .help__item:nth-child(3) .help__q::before { background: var(--autumn); }
.page-products .help__item:nth-child(4) .help__q::before { background: var(--winter); }
.page-products .help__item:nth-child(5) .help__q::before { background: var(--violet); }

.page-products .help__q:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-products .help__a {
  padding: 0 1.1rem 1rem 2.15rem;
}

.page-products .help__a p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .help__a a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 193, 0.35);
}

.page-products .help__a a:hover {
  border-bottom-color: var(--teal);
}

.page-products .help__paths {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

/* ---------- 右侧安装胶囊 ---------- */
.page-products .install-pill {
  display: none;
}

@media (min-width: 1320px) {
  .page-products .install-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    position: fixed;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    padding: 1rem 0.6rem;
    border-radius: var(--r-pill);
    background: rgba(14, 32, 25, 0.82);
    border: 1px solid var(--line);
    backdrop-filter: blur(10px);
  }

  .page-products .install-pill__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--line);
  }

  .page-products .install-pill__dot--on {
    background: var(--spring);
    border-color: var(--spring);
    box-shadow: 0 0 0 4px rgba(55, 214, 122, 0.15);
  }

  .page-products .install-pill__rule {
    width: 1px;
    height: 18px;
    background: var(--line-soft);
  }

  .page-products .install-pill__label {
    writing-mode: vertical-rl;
    font-family: var(--font-num);
    font-size: 0.6875rem;
    letter-spacing: 0.16em;
    color: var(--muted);
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .steps__item,
  .page-products .fl-card,
  .page-products .module,
  .page-products .flow__step,
  .page-products .ver,
  .page-products .ver__summary::after {
    transition: none;
  }

  .page-products .fl-card:hover,
  .page-products .module:hover,
  .page-products .module:focus-within {
    transform: none;
  }
}

/* ---------- 收尾节奏 ---------- */
.page-products .section--tail {
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
<<<END>>>