.page-products {
  --pp-space: clamp(46px, 6.5vw, 92px);
  --pp-card: clamp(18px, 2.4vw, 28px);
}

.page-products .page-products__crumb {
  padding-top: clamp(12px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding: clamp(24px, 4vw, 48px) 0 var(--pp-space);
}

.page-products .prod-hero__inner {
  display: grid;
  gap: clamp(26px, 3.6vw, 44px);
}

.page-products .prod-hero__rail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-left: 16px;
  border-left: 1px solid var(--line-strong);
}

.page-products .prod-rail__cap {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-products .prod-rail__item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--c-gray);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-products .prod-rail__item b {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--c-orange);
}

.page-products .prod-rail__item:hover {
  color: var(--c-paper);
}

.page-products .prod-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 60px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--c-paper);
}

.page-products .prod-hero__text {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--c-silver);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero__panel {
  position: relative;
  padding: var(--pp-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background:
    radial-gradient(130% 110% at 100% 0%, var(--glow-a), transparent 62%),
    rgba(7, 17, 31, 0.55);
}

.page-products .prod-hero__stats {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.page-products .prod-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-products .prod-hero__stats .stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .stat__value {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.2vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-orange);
}

.page-products .stat__unit {
  margin-left: 5px;
  font-size: 0.4em;
  letter-spacing: 0;
  color: var(--c-silver);
}

.page-products .stat__key {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-gray);
}

@media (min-width: 1040px) {
  .page-products .prod-hero__inner {
    grid-template-columns: 128px minmax(0, 1fr) minmax(280px, 360px);
    align-items: start;
  }

  .page-products .prod-hero__rail {
    flex-direction: column;
    gap: 15px;
  }

  .page-products .prod-hero__panel {
    margin-top: 6px;
  }
}

/* ---------- 章节通用间距 ---------- */
.page-products .section.prod-lineup,
.page-products .section.prod-params,
.page-products .section.prod-nodes,
.page-products .section.prod-warranty,
.page-products .section.prod-install,
.page-products .section.prod-choose {
  padding-block: var(--pp-space);
  scroll-margin-top: 96px;
}

/* ---------- 产品线 Tab ---------- */
.page-products .prod-tabs {
  position: relative;
  margin-top: clamp(28px, 3.6vw, 44px);
}

.page-products .prod-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .prod-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(7, 17, 31, 0.5);
}

.page-products .prod-tabs__label {
  flex: 1 1 84px;
  min-width: 84px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  text-align: center;
  color: var(--c-silver);
  cursor: pointer;
  user-select: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .prod-tabs__label:hover {
  color: var(--c-paper);
  background: rgba(199, 210, 228, 0.08);
}

.page-products .prod-tabs__radio:focus-visible ~ .prod-tabs__nav {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-products #pl-std:checked ~ .prod-tabs__nav label[for="pl-std"],
.page-products #pl-plus:checked ~ .prod-tabs__nav label[for="pl-plus"],
.page-products #pl-ind:checked ~ .prod-tabs__nav label[for="pl-ind"],
.page-products #pl-out:checked ~ .prod-tabs__nav label[for="pl-out"],
.page-products #pl-cus:checked ~ .prod-tabs__nav label[for="pl-cus"] {
  background: var(--c-orange);
  color: var(--c-deep-dark);
  font-weight: 700;
}

.page-products .prod-tabs__panel {
  display: none;
}

.page-products #pl-std:checked ~ .prod-tabs__panels .prod-tabs__panel[data-line="std"],
.page-products #pl-plus:checked ~ .prod-tabs__panels .prod-tabs__panel[data-line="plus"],
.page-products #pl-ind:checked ~ .prod-tabs__panels .prod-tabs__panel[data-line="ind"],
.page-products #pl-out:checked ~ .prod-tabs__panels .prod-tabs__panel[data-line="out"],
.page-products #pl-cus:checked ~ .prod-tabs__panels .prod-tabs__panel[data-line="cus"] {
  display: block;
}

.page-products .prod-tabs__panels {
  padding-top: clamp(24px, 3vw, 36px);
}

.page-products .prod-tabs__panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-products .prod-tabs__panel > p {
  margin: 16px 0 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-gray);
}

.page-products .prod-tabs__meta {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
}

.page-products .prod-tabs__meta > div {
  padding-left: 13px;
  border-left: 2px solid var(--c-orange);
}

.page-products .prod-tabs__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-gray);
}

.page-products .prod-tabs__meta dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-silver);
}

@media (min-width: 720px) {
  .page-products .prod-tabs__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }
}

.page-products .prod-lineup__figure {
  margin-top: clamp(32px, 4.4vw, 52px);
}

/* ---------- 图片容器保障 ---------- */
.page-products .figure__frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 九类核参数 ---------- */
.page-products .prod-params__scroll {
  margin-top: clamp(26px, 3.4vw, 40px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(7, 17, 31, 0.5);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-params__caption {
  padding: 16px 18px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-align: left;
  color: var(--c-gray);
}

.page-products .prod-params__table {
  width: 100%;
  min-width: 690px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-params__table thead th {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-align: left;
  white-space: nowrap;
  color: var(--c-gray);
}

.page-products .prod-params__table tbody td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
  vertical-align: top;
  color: var(--c-silver);
}

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

.page-products .prod-params__table tbody tr:hover {
  background: rgba(61, 217, 192, 0.05);
}

.page-products .prod-params__table tbody td:first-child {
  font-family: var(--font-mono);
  color: var(--c-orange);
  white-space: nowrap;
}

.page-products .prod-params__val {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-cyan);
  white-space: nowrap;
}

.page-products .prod-params__meter {
  display: none;
  margin-top: 9px;
  height: 3px;
  border-radius: 2px;
  background: rgba(199, 210, 228, 0.14);
  overflow: hidden;
}

.page-products .prod-params__meter i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-orange));
}

.page-products .prod-params__meter--w1 i { width: 22%; }
.page-products .prod-params__meter--w2 i { width: 86%; }
.page-products .prod-params__meter--w3 i { width: 54%; }
.page-products .prod-params__meter--w4 i { width: 78%; }
.page-products .prod-params__meter--w5 i { width: 40%; }
.page-products .prod-params__meter--w6 i { width: 70%; }
.page-products .prod-params__meter--w7 i { width: 62%; }
.page-products .prod-params__meter--w8 i { width: 92%; }
.page-products .prod-params__meter--w9 i { width: 66%; }

@media (min-width: 900px) {
  .page-products .prod-params__meter {
    display: block;
  }
}

.page-products .prod-params__foldWrap {
  margin-top: clamp(22px, 2.8vw, 32px);
}

.page-products .prod-params__figure {
  margin-top: clamp(30px, 4vw, 46px);
}

/* ---------- 折叠面板 ---------- */
.page-products .prod-fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(7, 17, 31, 0.42);
  overflow: hidden;
}

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

.page-products .prod-fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-paper);
  cursor: pointer;
  list-style: none;
}

.page-products .prod-fold__head::-webkit-details-marker {
  display: none;
}

.page-products .prod-fold__head::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-orange);
}

.page-products .prod-fold[open] .prod-fold__head::after {
  content: "–";
}

.page-products .prod-fold__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-products .prod-fold__body p {
  margin: 0;
}

.page-products .prod-fold__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 217, 192, 0.4);
}

.page-products .prod-fold__body a:hover {
  color: var(--c-orange);
  border-bottom-color: rgba(255, 107, 44, 0.5);
}

/* ---------- 标注节点 ---------- */
.page-products .prod-nodes__grid {
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-products .prod-node {
  padding: var(--pp-card);
}

.page-products .prod-node h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-products .prod-node > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-products .prod-node__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-node__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

.page-products .prod-node__list span {
  flex: none;
  color: var(--c-gray);
}

.page-products .prod-node__list b {
  font-weight: 600;
  text-align: right;
  color: var(--c-silver);
}

.page-products .prod-nodes__figure {
  margin-top: clamp(30px, 4vw, 46px);
}

/* ---------- 保修期 ---------- */
.page-products .prod-warranty__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 42px);
  margin-top: clamp(26px, 3.4vw, 40px);
}

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

.page-products .prod-warranty__rail li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--radius-s);
  background: linear-gradient(90deg, rgba(255, 107, 44, 0.09), transparent 72%);
}

.page-products .prod-warranty__rail b {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-orange);
}

.page-products .prod-warranty__rail span {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .prod-warranty__rail i {
  font-family: var(--font-mono);
  font-size: 13px;
  font-style: normal;
  color: var(--c-green);
  white-space: nowrap;
}

.page-products .prod-warranty__figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products .prod-warranty__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
    align-items: start;
  }
}

/* ---------- 安装到场条件 ---------- */
.page-products .prod-install__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 42px);
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-products .prod-install__figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products .prod-install__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 选型建议 ---------- */
.page-products .prod-choose__list {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-choose__item {
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(7, 17, 31, 0.45);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .prod-choose__item:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-products .prod-choose__item h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-products .prod-choose__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-products .prod-choose__item a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 217, 192, 0.4);
}

.page-products .prod-choose__item a:hover {
  color: var(--c-orange);
  border-bottom-color: rgba(255, 107, 44, 0.5);
}

@media (min-width: 720px) {
  .page-products .prod-choose__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prod-choose__item--wide {
    grid-column: 1 / -1;
  }
}

/* ---------- 结尾咨询区 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
  margin-top: clamp(30px, 4vw, 46px);
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 130% at 0% 0%, var(--glow-b), transparent 60%),
    rgba(7, 17, 31, 0.6);
}

.page-products .prod-cta__text h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-products .prod-cta__text p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .prod-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}