.page-products {
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
}

/* ============ HERO ============ */
.page-products .pp-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(26px, 4.5vw, 64px)) 0 clamp(38px, 5vw, 68px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(0, 229, 255, 0.14), transparent 62%),
    radial-gradient(90% 70% at 2% 100%, rgba(255, 106, 0, 0.11), transparent 58%);
  overflow: hidden;
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-hero__side {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  min-width: 0;
}

.page-products .pp-index__title {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-products .pp-index {
  display: grid;
  gap: 0;
}

.page-products .pp-index__item {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text-soft);
  transition: color 150ms var(--ease), border-color 150ms var(--ease), padding-left 150ms var(--ease);
}

.page-products .pp-index__item:hover,
.page-products .pp-index__item:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
  padding-left: 6px;
}

.page-products .pp-index__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--orange);
}

.page-products .pp-index__label {
  font-size: 15px;
  font-weight: 600;
}

.page-products .pp-index__ver {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 2px 6px;
  white-space: nowrap;
}

.page-products .pp-index__foot {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-hero__main {
  position: relative;
  min-width: 0;
}

.page-products .pp-hero__title {
  margin: 12px 0 18px;
  font-size: clamp(2.15rem, 7.4vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-products .pp-hero__lead {
  max-width: 60ch;
  margin: 0 0 26px;
  color: var(--text-soft);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-hero__annot {
  display: none;
}

/* ============ 通用小标题 ============ */
.page-products .pp-sub {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.7;
}

/* ============ 工具卡片 ============ */
.page-products .pp-tools {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-products .pp-tool {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan-dim);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pp-tool:hover,
.page-products .pp-tool:focus-within {
  background: var(--panel-2);
  border-color: var(--cyan);
  border-top-color: var(--orange);
}

.page-products .pp-tool__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pp-tool__ver {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-tool__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.25;
  font-weight: 800;
}

.page-products .pp-tool__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pp-tool__specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pp-tool__specs li {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-soft);
  border: 1px solid var(--line);
  padding: 4px 8px;
}

.page-products .pp-tool__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
  padding-top: 6px;
}

.page-products .pp-tool__more {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 150ms var(--ease), color 150ms var(--ease);
}

.page-products .pp-tool__more:hover,
.page-products .pp-tool__more:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ============ 分段与分栏 ============ */
.page-products .pp-band {
  background: linear-gradient(180deg, var(--panel) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 48px);
  align-items: start;
}

.page-products .pp-split__text {
  min-width: 0;
}

.page-products .pp-split__text h2 {
  margin: 10px 0 16px;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 900;
}

.page-products .pp-split__text > p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .pp-split__media {
  min-width: 0;
}

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

.page-products .pp-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .pp-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pp-points strong {
  display: block;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 3px;
}

/* ============ 媒体框 ============ */
.page-products .media-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

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

/* ============ 曲线图 ============ */
.page-products .pp-chart {
  margin-top: clamp(26px, 4vw, 46px);
  padding: clamp(14px, 2.2vw, 24px);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-products .pp-chart__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-chart__title {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pp-chart__legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-soft);
}

.page-products .pp-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 8px;
}

.page-products .pp-dot--cyan { background: var(--cyan); }
.page-products .pp-dot--orange { background: var(--orange); }

.page-products .pp-chart__svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 10px;
}

.page-products .pc-grid line {
  stroke: var(--line);
  stroke-width: 1;
  opacity: 0.7;
}

.page-products .pc-line {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .pc-line--cyan { stroke: url(#ppCyanGrad); }
.page-products .pc-line--orange { stroke: url(#ppOrangeGrad); }

.page-products .pc-node {
  fill: var(--panel-2);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 140ms var(--ease), fill 140ms var(--ease);
}

.page-products .pc-node--cyan { stroke: var(--cyan); }
.page-products .pc-node--orange { stroke: var(--orange); }

.page-products .pc-node:hover,
.page-products .pc-node:focus {
  transform: scale(1.7);
  fill: var(--cyan);
}

.page-products .pc-node--orange:hover,
.page-products .pc-node--orange:focus {
  fill: var(--orange);
}

.page-products .pc-axis text {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--muted);
}

.page-products .pp-chart__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ============ 对比表格 ============ */
.page-products .pp-cmp {
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--magenta);
}

.page-products .pp-cmp__caption {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--magenta);
}

.page-products .pp-cmp__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

/* ============ 表格 ============ */
.page-products .pp-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--text-soft);
  line-height: 1.6;
  vertical-align: top;
}

.page-products .pp-table td:first-child {
  color: var(--text);
  font-weight: 600;
}

.page-products .pp-table .num {
  font-family: var(--mono);
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .pp-table tbody tr {
  transition: background 140ms var(--ease);
}

.page-products .pp-table tbody tr:hover {
  background: var(--panel-2);
}

/* ============ 兼容性 ============ */
.page-products .pp-compat {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-compat__table {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pp-compat__media {
  min-width: 0;
}

.page-products .pp-compat__note {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 72ch;
}

/* ============ 安装流程 ============ */
.page-products .pp-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  min-width: 0;
}

.page-products .pp-step {
  background: var(--ink);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-products .pp-step__num {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .pp-step__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
}

.page-products .pp-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pp-install__media {
  min-width: 0;
}

/* ============ 常见问题 ============ */
.page-products .pp-faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-faq__list {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-products .pp-faq__item {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px 18px;
  transition: border-color 150ms var(--ease), background 150ms var(--ease);
}

.page-products .pp-faq__item[open],
.page-products .pp-faq__item:hover {
  border-color: var(--cyan-dim);
  background: var(--panel-2);
}

.page-products .pp-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
}

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

.page-products .pp-faq__q::after {
  content: "+";
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  flex: none;
}

.page-products .pp-faq__item[open] .pp-faq__q::after {
  content: "−";
  color: var(--orange);
}

.page-products .pp-faq__a {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ============ 联系卡 ============ */
.page-products .pp-help-card {
  min-width: 0;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-products .pp-help-card__title {
  margin: 8px 0 12px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-products .pp-help-card__text {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .pp-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 11px 12px;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms var(--ease), color 150ms var(--ease), background 150ms var(--ease);
}

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

.page-products .pp-copy:active {
  border-color: var(--orange);
}

.page-products .pp-copy__value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .pp-copy__state {
  flex: none;
  color: var(--cyan);
  font-family: var(--sans);
  font-size: 12px;
}

.page-products .pp-help-card__phone {
  margin: 14px 0 0;
  font-size: 15px;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-products .pp-help-card__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .pp-link {
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}

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

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-products .pp-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-tool:nth-child(3) {
    grid-column: span 2;
  }
  .page-products .pp-faq__list {
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(36px, 5vw, 72px);
  }
  .page-products .pp-hero__title {
    padding-right: 36px;
  }
  .page-products .pp-tools {
    grid-template-columns: 5fr 4fr 3fr;
  }
  .page-products .pp-tool:nth-child(3) {
    grid-column: auto;
  }
  .page-products .pp-split {
    grid-template-columns: 6fr 5fr;
    align-items: center;
  }
  .page-products .pp-split--flip {
    grid-template-columns: 5fr 6fr;
  }
  .page-products .pp-split--flip .pp-split__text {
    order: 2;
  }
  .page-products .pp-split--flip .pp-split__media {
    order: 1;
  }
  .page-products .pp-split--install {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pp-faq {
    grid-template-columns: 7fr 4fr;
    align-items: start;
  }
  .page-products .pp-compat {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-hero__annot {
    display: block;
    position: absolute;
    top: 4px;
    right: -6px;
    writing-mode: vertical-rl;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.28em;
    color: var(--muted);
    text-transform: uppercase;
    pointer-events: none;
  }
  .page-products .pp-hero__title {
    padding-right: 52px;
  }
}
<<<END>>>