.page-products {
  --prd-gap: 76px;
  --prd-radius: 8px;
  --prd-section-pad: 64px 0;
}

.page-products .prd-crumbwrap {
  padding: 20px 24px 0;
}

.page-products .prd-shell,
.page-products .prd-crumbwrap.mq-shell {
  max-width: 1200px;
  margin: 0 auto;
}

/* -------- 首屏 -------- */
.page-products .prd-hero {
  position: relative;
  padding: 48px 0 48px;
  background: var(--mq-grad-night);
  color: var(--mq-snow);
  overflow: hidden;
}

.page-products .prd-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -28%;
  width: 62%;
  height: 156%;
  background: radial-gradient(circle at 35% 42%, rgba(111, 182, 204, 0.24), transparent 62%);
  pointer-events: none;
}

.page-products .prd-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prd-hero__eyebrow {
  color: var(--mq-ice-pale);
}

.page-products .prd-hero__title {
  color: var(--mq-snow);
  max-width: 20ch;
  font-weight: 400;
}

.page-products .prd-hero__lead {
  color: rgba(247, 250, 252, 0.82);
  max-width: 62ch;
}

.page-products .prd-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prd-hero__chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  font-size: 13px;
  letter-spacing: 0.06em;
  border: 1px solid rgba(111, 182, 204, 0.42);
  border-radius: 999px;
  color: rgba(247, 250, 252, 0.86);
  line-height: 1.5;
}

/* -------- 索引带 -------- */
.page-products .prd-band {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(247, 250, 252, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--mq-line);
}

.page-products .prd-band__scroll {
  scroll-behavior: smooth;
  padding: 10px 0;
  scrollbar-width: thin;
}

.page-products .prd-band__scroll .mq-index-band__item {
  scroll-behavior: smooth;
}

/* -------- 通用章节 -------- */
.page-products .prd-section {
  padding: var(--prd-section-pad);
}

.page-products .prd-head {
  margin-bottom: 30px;
}

.page-products .prd-head .mq-h2 {
  margin: 8px 0 10px;
  max-width: 26ch;
}

.page-products .prd-head__lead {
  color: var(--mq-slate);
  max-width: 62ch;
}

.page-products .prd-head--night .mq-h2.prd-h2--night {
  color: var(--mq-snow);
}

.page-products .prd-eyebrow--night {
  color: var(--mq-ice-pale);
}

.page-products .prd-lead--night {
  color: rgba(247, 250, 252, 0.78);
}

/* -------- 表格 -------- */
.page-products .prd-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--mq-line);
  border-radius: var(--prd-radius);
  background: var(--mq-snow);
  box-shadow: var(--mq-shadow-1);
}

.page-products .prd-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.55;
}

.page-products .prd-table__cap {
  caption-side: top;
  text-align: left;
  padding: 14px 18px 2px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mq-slate);
}

.page-products .prd-table thead th {
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mq-ice-deep);
  padding: 14px 18px;
  border-bottom: 1px solid var(--mq-line);
  background: rgba(220, 233, 240, 0.5);
  white-space: nowrap;
}

.page-products .prd-table tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--mq-line-soft);
  vertical-align: top;
  color: var(--mq-night);
}

.page-products .prd-table tbody tr:nth-child(even) {
  background: rgba(220, 233, 240, 0.36);
}

.page-products .prd-table tbody tr {
  transition: background 180ms var(--mq-ease);
}

.page-products .prd-table tbody tr:hover,
.page-products .prd-table tbody tr:focus-within {
  background: rgba(111, 182, 204, 0.14);
}

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

/* -------- 价格 -------- */
.page-products .prd-price {
  white-space: nowrap;
}

.page-products .prd-price__num {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mq-night);
  border-bottom: 2px solid var(--mq-signal);
  padding-bottom: 1px;
  font-variant-numeric: tabular-nums;
}

.page-products .prd-price__unit {
  font-size: 13px;
  color: var(--mq-slate);
  margin-left: 4px;
}

/* -------- 图表 -------- */
.page-products .prd-fig {
  margin: 0 0 24px;
}

.page-products .prd-fig__frame {
  border-radius: var(--prd-radius);
  overflow: hidden;
  border: 1px solid var(--mq-line);
  background: linear-gradient(160deg, #0B1620, #0A4F65 70%, #0E6E8C);
}

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

.page-products .prd-fig__frame--tall {
  border-radius: var(--prd-radius);
}

.page-products .prd-fig--lead {
  margin-bottom: 28px;
}

.page-products .prd-visual-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 28px;
}

.page-products .prd-fig--matrix .prd-fig__frame img {
  max-height: 440px;
}

/* -------- 费用表下方注释 -------- */
.page-products .prd-note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--mq-signal);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mq-slate);
}

/* -------- 终端范围 -------- */
.page-products .prd-terms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .prd-term {
  border: 1px solid var(--mq-line);
  border-radius: var(--prd-radius);
  background: var(--mq-snow);
  padding: 22px 20px;
  box-shadow: var(--mq-shadow-1);
  transition: transform 200ms var(--mq-ease), box-shadow 200ms var(--mq-ease);
}

.page-products .prd-term:hover {
  transform: translateY(-2px);
  box-shadow: var(--mq-shadow-2);
}

.page-products .prd-term__head {
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--mq-line);
}

.page-products .prd-term__name {
  margin: 0 0 4px;
  color: var(--mq-ice-deep);
}

.page-products .prd-term__meta {
  margin: 0;
  font-size: 13px;
  color: var(--mq-slate);
}

.page-products .prd-term__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .prd-term__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--mq-night);
  line-height: 1.5;
}

/* -------- 竖幅分隔 -------- */
.page-products .prd-break {
  background: var(--mq-frost);
  padding: 24px 0;
}

.page-products .prd-break__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

.page-products .prd-break__fig {
  margin: 0;
}

.page-products .prd-break__text {
  padding: 12px 0;
}

.page-products .prd-break__eyebrow {
  color: var(--mq-ice-deep);
}

.page-products .prd-break__quote {
  margin: 12px 0 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--mq-night);
  max-width: 24ch;
}

/* -------- 收费页步骤 -------- */
.page-products .prd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: prdstep;
}

.page-products .prd-step {
  display: flex;
  gap: 18px;
  padding: 20px 20px;
  border: 1px solid var(--mq-line);
  border-radius: var(--prd-radius);
  background: var(--mq-snow);
  align-items: flex-start;
}

.page-products .prd-step__no {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--mq-snow);
  background: var(--mq-grad-ice);
  font-variant-numeric: tabular-nums;
}

.page-products .prd-step__body .mq-h3 {
  margin: 4px 0 6px;
  color: var(--mq-night);
}

.page-products .prd-step__body p {
  margin: 0;
  font-size: 14px;
  color: var(--mq-slate);
  line-height: 1.7;
}

/* -------- 版本演进 -------- */
.page-products .prd-fig--wide {
  margin-bottom: 28px;
}

.page-products .prd-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .prd-era {
  position: relative;
  padding: 20px 20px 20px 20px;
  border: 1px solid var(--mq-line);
  border-radius: var(--prd-radius);
  background: var(--mq-snow);
  border-left: 4px solid var(--mq-ice-pale);
}

.page-products .prd-era--1 { border-left-color: var(--mq-ice-pale); }
.page-products .prd-era--2 { border-left-color: var(--mq-ice); }
.page-products .prd-era--3 { border-left-color: var(--mq-ice-deep); }

.page-products .prd-era__period {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mq-slate);
  font-variant-numeric: tabular-nums;
}

.page-products .prd-era__name {
  margin: 0 0 8px;
  color: var(--mq-ice-deep);
}

.page-products .prd-era__desc {
  margin: 0;
  font-size: 14px;
  color: var(--mq-night);
  line-height: 1.7;
}

/* -------- 场景建议 -------- */
.page-products .prd-section--advice {
  background: var(--mq-grad-night);
  color: var(--mq-snow);
}

.page-products .prd-advice {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .prd-advice__card {
  padding: 22px 20px;
  border: 1px solid var(--mq-line-dark);
  border-radius: var(--prd-radius);
  background: rgba(11, 22, 32, 0.4);
  transition: border-color 200ms var(--mq-ease), background 200ms var(--mq-ease);
}

.page-products .prd-advice__card:hover {
  border-color: var(--mq-ice-pale);
  background: rgba(11, 22, 32, 0.6);
}

.page-products .prd-advice__tag {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 3px 10px;
  border: 1px solid rgba(255, 122, 26, 0.55);
  color: var(--mq-signal);
  border-radius: 999px;
}

.page-products .prd-advice__name {
  margin: 0 0 8px;
  color: var(--mq-snow);
}

.page-products .prd-advice__card > p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.78);
}

.page-products .prd-advice__link {
  color: var(--mq-snow);
  border-color: rgba(111, 182, 204, 0.5);
}

.page-products .prd-advice__link:hover {
  border-color: var(--mq-signal);
  color: var(--mq-signal);
}

.page-products .prd-advice__foot {
  margin: 22px 0 0;
  font-size: 14px;
  color: rgba(247, 250, 252, 0.76);
}

.page-products .prd-advice__foot a {
  color: var(--mq-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* -------- 滚动显现 -------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms var(--mq-ease), transform 500ms var(--mq-ease);
}

.page-products [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal],
  .page-products .prd-term,
  .page-products .prd-advice__card {
    transition: none;
    transform: none;
    opacity: 1;
  }
  .page-products .prd-band__scroll {
    scroll-behavior: auto;
  }
}

/* -------- 平板及以上 -------- */
@media (min-width: 720px) {
  .page-products .prd-crumbwrap {
    padding: 24px 24px 0;
  }

  .page-products .prd-hero {
    padding: 78px 0 72px;
  }

  .page-products .prd-section {
    padding: 84px 0;
  }

  .page-products .prd-break {
    padding: 40px 0;
  }

  .page-products .prd-visual-pair {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-products .prd-break__inner {
    grid-template-columns: 0.55fr 0.45fr;
    gap: 32px;
  }

  .page-products .prd-terms {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .prd-timeline {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-products .prd-step {
    flex-direction: column;
    gap: 12px;
  }

  .page-products .prd-advice {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* -------- 桌面 -------- */
@media (min-width: 1080px) {
  .page-products .prd-hero__title {
    max-width: 22ch;
  }

  .page-products .prd-head .mq-h2 {
    max-width: 28ch;
  }

  .page-products .prd-table {
    min-width: 0;
    font-size: 15px;
  }
}
</PAGE_CSS>>