.page-products {
  --pp-card: rgba(11, 43, 34, 0.72);
  --pp-card-alt: rgba(18, 59, 51, 0.62);
  --pp-rail-w: 268px;
  --pp-ring-len: 540;
  display: block;
  background: var(--court);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: 28px 0 68px;
  background:
    radial-gradient(130% 96% at 86% 0%, rgba(35, 240, 208, 0.1), transparent 58%),
    linear-gradient(168deg, var(--court) 0%, var(--split) 58%, var(--court) 100%);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  align-items: start;
}

.page-products .prod-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-products .prod-hero__lead-text {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 1.02rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-products .prod-hero__stats .stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 5px;
  padding: 16px 14px;
  background: var(--court);
}

.page-products .stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .stat__unit {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
}

.page-products .stat__label {
  flex-basis: 100%;
  margin-top: 6px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 首屏数据监测面板 ---------- */
.page-products .prod-hero__visual {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  background: linear-gradient(180deg, rgba(18, 59, 51, 0.88), rgba(4, 20, 15, 0.92));
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: var(--shadow-lift);
}

.page-products .pp-monitor {
  position: relative;
  display: grid;
  place-items: center;
  padding: 6px 0;
}

.page-products .ring {
  width: min(248px, 68%);
  height: auto;
  transform: rotate(-90deg);
}

.page-products .ring__track {
  fill: none;
  stroke: rgba(157, 179, 172, 0.16);
  stroke-width: 6;
}

.page-products .ring__bar {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: var(--pp-ring-len);
  stroke-dashoffset: 0;
  animation: pp-ring-drain 90s linear infinite;
}

@keyframes pp-ring-drain {
  to {
    stroke-dashoffset: var(--pp-ring-len);
  }
}

.page-products .pp-monitor__readout {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-align: center;
  pointer-events: none;
}

.page-products .pp-monitor__readout .stat__value {
  font-size: clamp(2.4rem, 9vw, 3.2rem);
}

.page-products .pp-signal {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-signal__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 2px;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-signal__row:last-child {
  border-bottom: 0;
}

.page-products .pp-signal__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(255, 90, 43, 0.14);
}

.page-products .pp-signal__name {
  color: var(--muted);
}

.page-products .pp-signal__val {
  margin-left: auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ---------- 主体：索引轨道 + 内容流 ---------- */
.page-products .prod-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 40px 0 72px;
}

.page-products .prod-rail {
  position: static;
}

.page-products .prod-rail__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 2px;
  margin: 12px 0 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-products .prod-rail__list a:hover,
.page-products .prod-rail__list a:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan);
  background: rgba(35, 240, 208, 0.07);
}

.page-products .prod-rail__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .prod-flow {
  display: grid;
  gap: 54px;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-products .prod-sec {
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 120px;
}

.page-products .prod-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .prod-sec h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-products .prod-sec p {
  max-width: 66ch;
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-products .prod-sec__lede {
  color: var(--ink) !important;
  font-size: 1.04rem !important;
}

.page-products .prod-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 240, 208, 0.4);
}

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

/* ---------- 图片容器 ---------- */
.page-products .frame {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--rail);
}

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

.page-products .frame__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: rgba(4, 20, 15, 0.6);
}

/* ---------- 浅底数据表（呼吸点） ---------- */
.page-products .pp-tablewrap {
  margin: 28px 0 0;
  padding: 22px 18px;
  background: var(--breath);
  color: var(--court);
  border-radius: 3px;
  overflow-x: auto;
}

.page-products .pp-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .pp-table caption {
  padding-bottom: 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(4, 20, 15, 0.58);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 11px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(4, 20, 15, 0.14);
}

.page-products .pp-table th {
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(4, 20, 15, 0.62);
}

.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table td:nth-child(2) {
  color: var(--court);
}

.page-products .pp-table td:last-child {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: #0b2b22;
}

/* ---------- 并排窗口布局示意 ---------- */
.page-products .pp-layouts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-layouts li {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 14px 12px;
  background: var(--pp-card-alt);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}

.page-products .pp-layout {
  display: grid;
  gap: 3px;
  width: 100%;
  max-width: 72px;
  height: 42px;
}

.page-products .pp-layout i {
  display: block;
  background: rgba(35, 240, 208, 0.14);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-products .pp-layout--1 {
  grid-template-columns: 1fr;
}

.page-products .pp-layout--2 {
  grid-template-columns: 1fr 1fr;
}

.page-products .pp-layout--4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.page-products .pp-layout--6 {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.page-products .pp-layouts .datakey {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 展开明细 ---------- */
.page-products .pp-details {
  margin: 26px 0 0;
  background: var(--pp-card);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-products .pp-details > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

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

.page-products .pp-details > summary::before {
  content: "+";
  font-size: 1rem;
  color: var(--pulse);
}

.page-products .pp-details[open] > summary::before {
  content: "–";
}

.page-products .pp-details__body {
  padding: 0 18px 18px;
}

.page-products .pp-details__body ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.95;
}

/* ---------- 三步开始 ---------- */
.page-products .pp-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
}

.page-products .pp-step {
  padding: 22px 20px;
  background: var(--pp-card);
  border-left: 2px solid rgba(255, 90, 43, 0.5);
}

.page-products .pp-step__num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-products .pp-step h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-step p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pp-cta {
  margin-top: 30px;
  padding: 24px 20px;
  background: linear-gradient(120deg, rgba(91, 75, 196, 0.24), rgba(18, 59, 51, 0.7));
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-products .pp-cta__text {
  margin: 0 !important;
  font-size: 0.94rem !important;
  line-height: 1.8;
  color: var(--ink) !important;
  max-width: 56ch;
}

.page-products .pp-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 620px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-layouts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero {
    padding: 40px 0 84px;
  }

  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 60px;
    align-items: center;
  }

  .page-products .prod-hero__visual {
    padding: 34px 30px;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-body {
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-products .prod-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-products .prod-rail__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-products .prod-flow {
    gap: 72px;
  }

  .page-products .prod-sec:nth-child(even) .prod-figure {
    margin-inline-start: 8%;
  }

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

  .page-products .pp-cta {
    padding: 30px 32px;
  }
}

@media (min-width: 1280px) {
  .page-products {
    --pp-rail-w: 300px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .ring__bar {
    animation: none;
    stroke-dashoffset: 135;
  }

  .page-products .prod-rail__list a {
    transition: none;
  }
}