.page-products {
  --pp-panel: linear-gradient(155deg, rgba(18, 49, 73, 0.94), rgba(12, 34, 51, 0.96));
  --pp-card: rgba(12, 34, 51, 0.62);
  --pp-span: rgba(126, 147, 166, 0.18);
  padding-bottom: clamp(64px, 9vw, 112px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(72px, 8vw, 104px) 24px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-products .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: rgba(126, 147, 166, 0.5);
}

.page-products .breadcrumb__item a {
  color: var(--steel);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-products .breadcrumb__item a:hover,
.page-products .breadcrumb__item a:focus-visible {
  color: var(--cyan);
}

.page-products .breadcrumb__item[aria-current] {
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-products .pp-intro {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-products .pp-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-products .pp-intro__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-intro__lead .lede {
  margin-top: 22px;
  max-width: 44ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pp-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-products .pp-intro__panel {
  position: relative;
  padding: 24px 24px 12px;
  border: 1px solid var(--glass-line);
  border-radius: 4px;
  background: var(--pp-panel);
  overflow: hidden;
}

.page-products .pp-intro__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(44, 224, 206, 0));
}

.page-products .pp-intro__panel-title {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-products .pp-metrics {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-products .pp-metric {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-metric:first-child {
  border-top: 0;
}

.page-products .pp-metric__k {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .pp-metric__v {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pp-metric__l {
  flex: 1 1 200px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 通用区块标题 ---------- */
.page-products .pp-head {
  max-width: 66ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pp-head h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-head .lede {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-800);
}

.page-products .pp-ar--16-9 { aspect-ratio: 16 / 9; }
.page-products .pp-ar--3-2  { aspect-ratio: 3 / 2; }
.page-products .pp-ar--4-3  { aspect-ratio: 4 / 3; }
.page-products .pp-ar--14-9 { aspect-ratio: 14 / 9; }

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

.page-products .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(7, 22, 35, 0), rgba(7, 22, 35, 0.9));
}

/* ---------- 产品线 ---------- */
.page-products .pp-lines__figure {
  margin: 0 0 clamp(28px, 4vw, 40px);
}

.page-products .pp-lines__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.page-products .pp-line {
  position: relative;
  padding: 28px 22px 30px;
  background: var(--ink-900);
  transition: background-color 240ms var(--ease);
}

.page-products .pp-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 320ms var(--ease);
}

.page-products .pp-line:hover,
.page-products .pp-line:focus-within {
  background: var(--ink-800);
}

.page-products .pp-line:hover::after,
.page-products .pp-line:focus-within::after {
  transform: scaleX(1);
}

.page-products .pp-line__no {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--hair);
  border-radius: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-line__name {
  margin: 16px 0 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pp-line__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-line__facts {
  margin: 18px 0 0;
  padding: 16px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.page-products .pp-line__facts > div {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 10px;
}

.page-products .pp-line__facts dt {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-products .pp-line__facts dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 适配区间 ---------- */
.page-products .pp-ranges__figure {
  margin: 0 0 clamp(28px, 4vw, 40px);
}

.page-products .pp-filter__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
  border-radius: 3px;
}

.page-products .pp-filter:has(input:focus-visible) .pp-filter__tags {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .pp-chip {
  cursor: pointer;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
  background: rgba(18, 49, 73, 0.35);
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-products .pp-chip:hover {
  color: var(--paper);
  border-color: var(--hair);
}

.page-products .pp-filter:has(#pp-tag-all:checked) label[for="pp-tag-all"],
.page-products .pp-filter:has(#pp-tag-cold:checked) label[for="pp-tag-cold"],
.page-products .pp-filter:has(#pp-tag-ind:checked) label[for="pp-tag-ind"],
.page-products .pp-filter:has(#pp-tag-energy:checked) label[for="pp-tag-energy"],
.page-products .pp-filter:has(#pp-tag-venue:checked) label[for="pp-tag-venue"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-products .pp-filter:has(#pp-tag-cold:checked) .pp-range:not(.is-cold),
.page-products .pp-filter:has(#pp-tag-ind:checked) .pp-range:not(.is-ind),
.page-products .pp-filter:has(#pp-tag-energy:checked) .pp-range:not(.is-energy),
.page-products .pp-filter:has(#pp-tag-venue:checked) .pp-range:not(.is-venue) {
  display: none;
}

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

.page-products .pp-range {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--hair);
  border-radius: 3px;
  background: var(--pp-card);
  transition: background-color 220ms var(--ease), border-left-color 220ms var(--ease);
}

.page-products .pp-range:hover,
.page-products .pp-range:focus-within {
  background: rgba(18, 49, 73, 0.72);
  border-left-color: var(--cyan);
}

.page-products .pp-range__no {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-range__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-range__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pp-range__cfg {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

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

.page-products .pp-range__cycle-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pp-range__weeks {
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-range__cycle-label {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-products .pp-range__bar {
  position: relative;
  display: block;
  height: 6px;
  border-radius: 3px;
  background: var(--pp-span);
  overflow: hidden;
}

.page-products .pp-range__bar::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--w, 0%);
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  transition: width 400ms var(--ease);
}

/* ---------- 四步流程 ---------- */
.page-products .pp-steps__figure {
  margin: 0 0 clamp(28px, 4vw, 40px);
}

.page-products .pp-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-step {
  position: relative;
  padding: 24px 20px 28px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-900);
  transition: border-color 220ms var(--ease);
}

.page-products .pp-step:hover {
  border-color: var(--hair);
}

.page-products .pp-step__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pp-step__no::after {
  content: "";
  display: block;
  width: 32px;
  height: 1px;
  margin-top: 10px;
  background: var(--cyan);
}

.page-products .pp-step__name {
  margin: 16px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-step__io {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-step__io > div {
  display: grid;
  gap: 4px;
}

.page-products .pp-step__io dt {
  font-family: var(--font-serif);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-products .pp-step__io dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 选型对照表 ---------- */
.page-products .pp-compare__figure {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(12, 34, 51, 0.55);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--ink-700);
  border-bottom: 1px solid var(--hair);
}

.page-products .pp-table tbody th,
.page-products .pp-table tbody td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-table tbody tr:nth-child(even) th,
.page-products .pp-table tbody tr:nth-child(even) td {
  background: rgba(231, 239, 245, 0.03);
}

.page-products .pp-table tbody tr:hover th,
.page-products .pp-table tbody tr:hover td {
  background: rgba(44, 224, 206, 0.07);
}

.page-products .pp-table .pp-table__line {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .pp-table th.is-num,
.page-products .pp-table td.is-num {
  text-align: right;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-products .pp-table-note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .pp-table-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 211, 255, 0.4);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pp-table-note a:hover,
.page-products .pp-table-note a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 配置与交付形态 ---------- */
.page-products .pp-config__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

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

.page-products .pp-conf {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-800);
}

.page-products .pp-conf--glass {
  background: var(--glass);
  border-color: var(--glass-line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-products .pp-conf__tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 2px;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-products .pp-conf__tag--cyan {
  color: var(--cyan);
  background: rgba(44, 224, 206, 0.14);
}

.page-products .pp-conf__tag--blue {
  color: var(--blue);
  background: rgba(111, 211, 255, 0.14);
}

.page-products .pp-conf__name {
  margin: 14px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .pp-conf__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pp-conf__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pp-conf__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pp-config__aside {
  margin: 0;
}

.page-products .pp-config__figure {
  margin: 0;
}

/* ---------- 收尾提示 ---------- */
.page-products .pp-cta {
  margin-top: clamp(40px, 6vw, 72px);
  display: grid;
  gap: 20px;
  padding: 28px 24px;
  border: 1px solid var(--hair);
  border-radius: 3px;
  background: linear-gradient(120deg, rgba(18, 49, 73, 0.9), rgba(7, 22, 35, 0.9));
}

.page-products .pp-cta__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-conf-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pp-lines__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-range {
    grid-template-columns: 90px minmax(0, 1fr) 210px;
    align-items: center;
    gap: 24px;
    padding: 18px 22px;
  }

  .page-products .pp-range__cycle {
    gap: 6px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-intro__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .pp-step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-products .pp-config__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .pp-config__aside {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-lines__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}

.page-products {
  --w: 1rem;
}