.page-products {
  --pv-panel: rgba(13, 41, 64, 0.55);
  --pv-line-soft: rgba(216, 222, 228, 0.12);
  --pv-mig-offset: clamp(1rem, 3vw, 1.6rem);
  background:
    radial-gradient(920px 420px at 88% -6%, rgba(45, 226, 230, 0.09), transparent 62%),
    radial-gradient(780px 420px at -8% 14%, rgba(255, 106, 26, 0.07), transparent 58%);
  padding-block: 0 clamp(3rem, 8vw, 5.5rem);
  overflow-x: hidden;
}

.page-products .pv-wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.page-products .pv-crumbs {
  padding-block: clamp(1.1rem, 3vw, 1.6rem) 0;
}

/* ---------- 首屏 ---------- */
.page-products .pv-hero {
  position: relative;
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(1.8rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.page-products .pv-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: clamp(56px, 20vw, 220px);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-products .pv-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pv-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, 0.16);
  animation: pv-pulse 2.4s var(--ease) infinite;
  flex: none;
}

@keyframes pv-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 106, 26, 0.18); }
  50% { box-shadow: 0 0 0 7px rgba(255, 106, 26, 0.04); }
}

.page-products .pv-title {
  margin: 0.55rem 0 0;
  display: grid;
  gap: 0.12em;
  font-family: var(--font-display);
  line-height: 0.98;
  letter-spacing: -0.01em;
}

.page-products .pv-title-a {
  display: block;
  font-size: clamp(2.2rem, 7.2vw, 4.7rem);
  font-weight: 800;
  color: var(--paper);
}

.page-products .pv-title-b {
  display: block;
  font-size: clamp(1.05rem, 3vw, 1.85rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--orange);
  letter-spacing: 0.01em;
}

.page-products .pv-lede {
  max-width: 48ch;
  margin: 1.3rem 0 0;
  font-size: clamp(0.95rem, 2.1vw, 1.05rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pv-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 目录条 ---------- */
.page-products .pv-tocbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-block: 0;
  padding-block: 0.6rem;
  background: rgba(4, 17, 31, 0.94);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pv-tocbar::-webkit-scrollbar { display: none; }

.page-products .pv-tocbar-label {
  flex: none;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--cyan-700);
}

.page-products .pv-toc {
  display: flex;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 0 0 auto;
}

.page-products .pv-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.4rem 0.68rem;
  font-size: 0.82rem;
  line-height: 1.2;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .pv-toc-link .mono {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--cyan-700);
}

.page-products .pv-toc-link:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-products .pv-toc-link[aria-current="true"] {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-products .pv-toc-link[aria-current="true"] .mono {
  color: var(--ink-950);
}

/* ---------- 章节骨架 ---------- */
.page-products .pv-section {
  padding-block: clamp(2.4rem, 6vw, 4.2rem);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 4.2rem;
}

.page-products .pv-section:last-of-type {
  border-bottom: 0;
}

.page-products .pv-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem 1rem;
  align-items: start;
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}

.page-products .pv-sec-num {
  padding-top: 0.4rem;
  border-top: 2px solid var(--orange);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
  min-width: 2rem;
}

.page-products .pv-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.14;
  color: var(--paper);
}

.page-products .pv-sec-sub {
  margin: 0.55rem 0 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 仪表板 ---------- */
.page-products .pv-dash {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-products .pv-dash-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-width: 0;
  padding: 1.05rem 1.05rem 1.2rem;
  background: var(--ink-800);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--cyan-700);
  border-radius: 2px;
}

.page-products .pv-dash-cell--lead {
  background: linear-gradient(158deg, rgba(255, 106, 26, 0.18), rgba(13, 41, 64, 0.92) 64%);
  border-top-color: var(--orange);
}

.page-products .pv-dash-num {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5.4vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .pv-dash-cell--lead .pv-dash-num {
  color: var(--orange);
}

.page-products .pv-dash-unit {
  margin-left: 0.18rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--paper);
  opacity: 0.8;
}

.page-products .pv-dash-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pv-dash-note {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  line-height: 1.66;
  color: var(--muted);
}

/* ---------- 提示带 ---------- */
.page-products .pv-checkpoint {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  margin-top: 1.35rem;
  padding: 0.9rem 1.1rem;
  background: rgba(255, 106, 26, 0.08);
  border: 1px solid rgba(255, 106, 26, 0.32);
  border-left: 4px solid var(--orange);
  border-radius: 2px;
}

.page-products .pv-checkpoint-mark {
  width: 10px;
  height: 10px;
  margin-top: 0.42rem;
  background: var(--orange);
  transform: rotate(45deg);
  flex: none;
}

.page-products .pv-checkpoint p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--paper);
}

/* ---------- 图片 ---------- */
.page-products .pv-shot {
  margin: 0 0 clamp(1.4rem, 3.5vw, 2.1rem);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-products .pv-shot figcaption {
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-products .pv-shot {
    box-shadow: var(--shadow-hard);
  }
}

/* ---------- 安装步骤 ---------- */
.page-products .pv-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pv-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.6rem 1rem;
  padding-block: clamp(1.05rem, 3vw, 1.55rem);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s var(--ease);
}

.page-products .pv-step:hover {
  background: rgba(45, 226, 230, 0.04);
}

.page-products .pv-step-num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.6vw, 2.9rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--cyan-700);
  transition: color 0.2s var(--ease);
}

.page-products .pv-step:hover .pv-step-num {
  color: var(--orange);
}

.page-products .pv-step-title {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pv-step-body p {
  margin: 0 0 0.45rem;
  font-size: 0.91rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pv-step-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.4rem 0 0;
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-products .pv-check-box {
  width: 13px;
  height: 13px;
  border: 2px solid var(--cyan);
  border-radius: 2px;
  flex: none;
}

/* ---------- 筛选控制台 ---------- */
.page-products .pv-filter {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--ink-800);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--cyan);
  border-radius: 2px;
}

.page-products .pv-filter-board {
  display: grid;
  gap: 1.1rem;
  min-width: 0;
}

.page-products .pv-filter-group {
  display: grid;
  gap: 0.5rem;
  min-width: 0;
}

.page-products .pv-filter-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pv-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pv-chip {
  display: inline-block;
  padding: 0.36rem 0.66rem;
  font-size: 0.79rem;
  line-height: 1.25;
  color: var(--paper);
  background: rgba(4, 17, 31, 0.5);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .pv-chip.is-on {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-products .pv-chip--orange.is-on {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .pv-filter-art {
  margin: 0;
  padding: 0.7rem;
  background: rgba(4, 17, 31, 0.55);
  border: 1px solid var(--pv-line-soft);
  border-radius: 2px;
}

.page-products .pv-filter-art svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pv-filter-art figcaption {
  margin-top: 0.5rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 换机比对 ---------- */
.page-products .pv-migrate {
  margin: 0;
  padding: 0 0 0 var(--pv-mig-offset);
  list-style: none;
  border-left: 2px solid var(--line-strong);
}

.page-products .pv-mig {
  position: relative;
  padding-block: 0 1.35rem;
}

.page-products .pv-mig:last-child {
  padding-bottom: 0;
}

.page-products .pv-mig::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--pv-mig-offset) - 7px);
  top: 0.42rem;
  width: 10px;
  height: 10px;
  border: 2px solid var(--orange);
  border-radius: 50%;
  background: var(--ink-900);
}

.page-products .pv-mig-num {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .pv-mig-title {
  margin: 0.28rem 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pv-mig p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pv-mig a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 折叠面板 ---------- */
.page-products .pv-folds {
  display: grid;
  gap: 0.55rem;
}

.page-products .pv-fold {
  background: var(--ink-800);
  border: 2px solid var(--line-strong);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .pv-fold[open] {
  border-color: var(--cyan-700);
  box-shadow: 4px 4px 0 rgba(45, 226, 230, 0.14);
}

.page-products .pv-fold summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.93rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-products .pv-fold summary::-webkit-details-marker { display: none; }

.page-products .pv-fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--orange);
  transition: transform 0.2s var(--ease);
}

.page-products .pv-fold[open] summary::after {
  content: "−";
}

.page-products .pv-fold-idx {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--cyan-700);
  flex: none;
}

.page-products .pv-fold-body {
  padding: 0 1rem 0.95rem;
  animation: pv-fade 0.24s var(--ease);
}

.page-products .pv-fold-body p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pv-fold-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes pv-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .pv-shot--narrow {
  max-width: 34rem;
  margin-inline: auto;
  margin-top: clamp(1.4rem, 3.5vw, 2rem);
}

.page-products .pv-support {
  display: grid;
  gap: 0.8rem;
  justify-items: start;
  margin-top: 1.2rem;
  padding: 1rem 1.15rem;
  background: rgba(45, 226, 230, 0.06);
  border: 1px solid rgba(45, 226, 230, 0.28);
  border-left: 4px solid var(--cyan);
  border-radius: 2px;
}

.page-products .pv-support p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--paper);
}

.page-products .pv-copy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

/* ---------- 更新节奏 ---------- */
.page-products .pv-section--cadence {
  position: relative;
}

.page-products .pv-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pv-time {
  display: grid;
  gap: 0.35rem;
  padding-block: 0.95rem;
  border-top: 1px solid var(--line);
}

.page-products .pv-time:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pv-time-when {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .pv-time-title {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pv-time p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.89rem;
  line-height: 1.76;
  color: var(--muted);
}

.page-products .pv-time--now {
  background: linear-gradient(90deg, rgba(255, 106, 26, 0.09), transparent 78%);
  padding-inline: 0.9rem;
  margin-inline: -0.9rem;
  border-top-color: rgba(255, 106, 26, 0.4);
}

/* ---------- 下一步 ---------- */
.page-products .pv-next {
  padding-block: clamp(1.8rem, 4vw, 2.8rem);
}

.page-products .pv-next p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pv-next a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pv-dash {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pv-support {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 760px) {
  .page-products .pv-step {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 0 1.2rem;
  }
  .page-products .pv-time {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 0 1.3rem;
    align-items: baseline;
  }
  .page-products .pv-time-when {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-products .pv-filter {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: 1.6rem;
  }
  .page-products .pv-shot--narrow {
    margin-inline: 0 auto;
  }
}

@media (min-width: 1000px) {
  .page-products .pv-dash {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.8rem;
  }
  .page-products .pv-tocbar {
    overflow-x: visible;
  }
}

@media (max-width: 420px) {
  .page-products .pv-chip {
    font-size: 0.74rem;
    padding: 0.32rem 0.55rem;
  }
  .page-products .pv-dash-num {
    font-size: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pv-dot {
    animation: none;
  }
  .page-products .pv-fold-body {
    animation: none;
  }
}
<<<END>>>