.page-products {
  --prod-gap: 20px;
  --prod-gap-lg: 38px;
  padding-bottom: 64px;
}

.page-products h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  margin-top: 18px;
  padding: 24px 18px 28px;
  background:
    radial-gradient(130% 150% at 100% 0%, var(--glow), transparent 62%),
    var(--bg);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: var(--prod-gap);
}

.page-products .prod-hero__lead {
  margin: 14px 0 0;
  max-width: 46ch;
}

.page-products .prod-hero__lead + .prod-hero__lead {
  margin-top: 10px;
}

.page-products .prod-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .prod-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-facts dt {
  color: var(--muted);
  font-size: 13px;
}

.page-products .prod-facts dd {
  margin: 0;
  color: var(--text);
  font-size: 13px;
}

/* ---------- 左索引右内容 ---------- */
.page-products .split {
  margin-top: var(--prod-gap-lg);
  gap: var(--prod-gap);
}

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

.page-products .rail__link {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .rail__link:hover,
.page-products .rail__link:focus-visible {
  color: var(--brand-a-hi);
  border-color: var(--brand-a);
  background: var(--brand-a-tint);
}

/* ---------- 区块节奏 ---------- */
.page-products .prod-sec {
  padding-top: 44px;
}

.page-products .prod-sec__head {
  margin-bottom: 18px;
}

.page-products .prod-txt {
  margin: 0 0 12px;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .prod-txt:last-of-type {
  margin-bottom: 0;
}

.page-products .prod-txt--tight {
  margin-top: 18px;
}

.page-products .prod-sub__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

/* ---------- 通用媒体 ---------- */
.page-products .media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 01 专区 ---------- */
.page-products .prod-zone {
  display: grid;
  gap: 24px;
}

.page-products .prod-bullets {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--brand-a);
}

.page-products .prod-tablewrap {
  margin: 26px 0 0;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-products .prod-tablecap {
  padding: 14px 16px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .prod-tablewrap .dtable {
  min-width: 560px;
}

/* ---------- 02 补查 ---------- */
.page-products .prod-lookup {
  display: grid;
  gap: 24px;
}

.page-products .prod-lookup__cards {
  display: grid;
  gap: 14px;
}

.page-products .prod-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .prod-card .tag {
  align-self: flex-start;
}

.page-products .prod-card .panel__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  counter-reset: pstep;
}

.page-products .prod-steps > li {
  counter-increment: pstep;
  position: relative;
  padding: 15px 0 15px 44px;
  border-bottom: 1px solid var(--line-faint);
}

.page-products .prod-steps > li::before {
  content: counter(pstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brand-a);
}

.page-products .prod-steps__t {
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--text);
}

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

/* ---------- 03 走势 ---------- */
.page-products .prod-span {
  display: inline-flex;
  max-width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-products .prod-span__item {
  padding: 9px 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-right: 1px solid var(--line-soft);
}

.page-products .prod-span__item:last-child {
  border-right: 0;
}

.page-products .prod-span__item.is-active {
  background: var(--brand-a-tint);
  color: var(--brand-a-hi);
  box-shadow: inset 0 -2px 0 var(--brand-a);
}

.page-products .prod-chart {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 22px;
  padding: 8px;
  box-sizing: border-box;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-products .prod-chart__grid line {
  stroke: var(--line-faint);
  stroke-width: 1;
}

.page-products .prod-chart__line {
  fill: none;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: prodDraw 1.6s var(--ease) forwards;
}

.page-products .prod-chart__line--a {
  stroke: var(--brand-c);
  stroke-width: 1.4;
}

.page-products .prod-chart__line--b {
  stroke: var(--brand-a);
  stroke-width: 1.9;
  animation-delay: 0.1s;
}

.page-products .prod-chart__line--c {
  stroke: var(--brand-b-hi);
  stroke-width: 2.4;
  animation-delay: 0.2s;
}

.page-products .prod-chart__line--d {
  stroke: var(--magenta);
  stroke-width: 2.9;
  animation-delay: 0.3s;
}

@keyframes prodDraw {
  to {
    stroke-dashoffset: 0;
  }
}

.page-products .prod-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .prod-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .prod-legend__sw {
  width: 18px;
  border-radius: 2px;
  background: var(--line);
}

.page-products .prod-legend__sw--a {
  height: 2px;
  background: var(--brand-c);
}

.page-products .prod-legend__sw--b {
  height: 3px;
  background: var(--brand-a);
}

.page-products .prod-legend__sw--c {
  height: 4px;
  background: var(--brand-b-hi);
}

.page-products .prod-legend__sw--d {
  height: 5px;
  background: var(--magenta);
}

.page-products .prod-trend__media {
  margin-top: 26px;
}

.page-products .prod-dimgrid {
  display: grid;
  gap: 24px;
  margin-top: 36px;
}

.page-products .prod-dims {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .prod-dims li {
  padding: 7px 13px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel-2);
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .prod-dims li:hover {
  border-color: var(--brand-b-hi);
  color: var(--brand-b-hi);
}

/* ---------- 04 导出 ---------- */
.page-products .prod-fields {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .prod-fields li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .prod-fields li:hover {
  border-color: var(--brand-a);
  background: var(--panel-2);
}

.page-products .prod-fields__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--brand-a);
  padding-top: 2px;
}

.page-products .prod-fields__v {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .prod-export__media {
  margin-top: 26px;
}

/* ---------- 05 规格表 ---------- */
.page-products .prod-spectable tbody tr {
  transition: background 0.18s var(--ease);
}

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

.page-products .prod-spectable tbody tr:hover td:first-child {
  color: var(--brand-a-hi);
}

.page-products .prod-spectable td {
  vertical-align: top;
}

.page-products .prod-spectable td:last-child {
  color: var(--muted);
  font-size: 14px;
}

/* ---------- 06 后续 ---------- */
.page-products .prod-next .panel {
  padding: 22px 20px;
}

.page-products .prod-next__h {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.page-products .prod-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .prod-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .prod-zone {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .prod-lookup {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .prod-dimgrid {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-products .prod-hero {
    padding: 34px 30px 38px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .split {
    gap: 44px;
  }

  .page-products .prod-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-products .rail__list {
    display: grid;
    gap: 8px;
  }
}

@media (max-width: 999px) {
  .page-products .rail__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .page-products .prod-span__item {
    padding: 8px 11px;
    font-size: 11px;
  }

  .page-products .prod-fields li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .prod-steps > li {
    padding-left: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-chart__line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-products .rail__link,
  .page-products .prod-fields li,
  .page-products .prod-dims li,
  .page-products .prod-spectable tbody tr {
    transition: none;
  }
}