.page-products {
  --pp-pad: clamp(18px, 4vw, 44px);
  --pp-gap: clamp(22px, 3.2vw, 46px);
  --pp-muted: #4A5470;
  --pp-fade: .24s;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: .01em;
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products h4 {
  margin: 0;
  font-family: var(--font-head);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products p { margin: 0; }

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  padding: clamp(24px, 4.5vw, 62px) 0 clamp(30px, 4.5vw, 58px);
  border-bottom: var(--hair);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

.page-products .pp-hero__text { min-width: 0; }

.page-products .pp-hero__kicker {
  margin-top: clamp(16px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber-700);
  text-transform: none;
}

.page-products .pp-hero__title {
  margin: .42em 0 .5em;
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1.05;
}

.page-products .pp-hero__lede {
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--pp-muted);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-hero__board {
  align-self: start;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--indigo-900);
  color: var(--text-dark-1);
  border-left: 3px solid var(--teal-500);
}

.page-products .pp-hero__board-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--teal-500);
  margin-bottom: 14px;
}

.page-products .pp-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(211, 218, 232, .18);
  border: var(--hair-dark);
}

.page-products .pp-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 12px 14px;
  background: var(--indigo-900);
}

.page-products .pp-hero__stat-num {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 500;
  line-height: 1;
  color: var(--teal-500);
}

.page-products .pp-hero__stat-key {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dark-2);
}

.page-products .pp-hero__board-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: var(--hair-dark);
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-dark-2);
}

/* ---------- 通用章节头距 ---------- */

.page-products .pp-selector,
.page-products .pp-lead,
.page-products .pp-inquiry,
.page-products .pp-verify {
  padding: clamp(34px, 4.6vw, 68px) 0;
}

.page-products .rule {
  margin: 0;
  border: 0;
  border-top: var(--hair);
}

/* ---------- 选型台 ---------- */

.page-products .pp-tabs {
  position: relative;
  margin-top: clamp(22px, 3vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

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

.page-products .pp-tabs__rail {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-top: var(--hair);
  border-bottom: var(--hair);
  min-width: 0;
}

.page-products .pp-tabs__btn {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 11px 14px;
  border-right: var(--hair);
  cursor: pointer;
  background: transparent;
  color: var(--pp-muted);
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .pp-tabs__btn:last-child { border-right: 0; }

.page-products .pp-tabs__idx {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--metal-500);
}

.page-products .pp-tabs__label {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  color: inherit;
}

.page-products .pp-tabs__hint {
  font-size: 11px;
  color: var(--metal-500);
  white-space: nowrap;
}

.page-products .pp-tabs__btn:hover { color: var(--teal-700); }

.page-products .pp-tabs__panels { min-width: 0; }

.page-products .pp-panel {
  display: none;
  padding-top: clamp(20px, 3vw, 32px);
  animation: pp-panel-in var(--pp-fade) var(--ease) both;
}

.page-products #pp-tab-a:checked ~ .pp-tabs__panels .pp-panel--a,
.page-products #pp-tab-b:checked ~ .pp-tabs__panels .pp-panel--b,
.page-products #pp-tab-c:checked ~ .pp-tabs__panels .pp-panel--c,
.page-products #pp-tab-d:checked ~ .pp-tabs__panels .pp-panel--d {
  display: block;
}

.page-products #pp-tab-a:checked ~ .pp-tabs__rail .pp-tabs__btn--a,
.page-products #pp-tab-b:checked ~ .pp-tabs__rail .pp-tabs__btn--b,
.page-products #pp-tab-c:checked ~ .pp-tabs__rail .pp-tabs__btn--c,
.page-products #pp-tab-d:checked ~ .pp-tabs__rail .pp-tabs__btn--d {
  background: var(--white);
  color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--teal-500);
}

.page-products #pp-tab-a:checked ~ .pp-tabs__rail .pp-tabs__btn--a .pp-tabs__idx,
.page-products #pp-tab-b:checked ~ .pp-tabs__rail .pp-tabs__btn--b .pp-tabs__idx,
.page-products #pp-tab-c:checked ~ .pp-tabs__rail .pp-tabs__btn--c .pp-tabs__idx,
.page-products #pp-tab-d:checked ~ .pp-tabs__rail .pp-tabs__btn--d .pp-tabs__idx {
  color: var(--teal-700);
}

@keyframes pp-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-products .pp-panel__title {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--indigo-900);
}

.page-products .pp-panel__lede {
  margin-top: 14px;
  max-width: 62em;
  color: var(--pp-muted);
}

/* ---------- 机型三类 ---------- */

.page-products .pp-kinds {
  margin-top: clamp(18px, 2.6vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: var(--hair);
}

.page-products .pp-kind {
  background: var(--white);
  padding: 18px 20px 20px;
}

.page-products .pp-kind__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 9px;
  color: var(--teal-700);
  border: 1px solid var(--teal-500);
  background: rgba(15, 181, 166, .08);
}

.page-products .pp-kind__tag--amber {
  color: var(--amber-700);
  border-color: var(--amber-500);
  background: rgba(240, 160, 60, .1);
}

.page-products .pp-kind__tag--indigo {
  color: var(--indigo-700);
  border-color: var(--indigo-700);
  background: rgba(30, 47, 99, .07);
}

.page-products .pp-kind__name {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 600;
}

.page-products .pp-kind__text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--pp-muted);
}

.page-products .pp-kind__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: var(--hair);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  font-size: 13px;
}

.page-products .pp-kind__meta dt {
  color: var(--metal-500);
  white-space: nowrap;
}

.page-products .pp-kind__meta dd {
  margin: 0;
  color: var(--ink);
}

.page-products .pp-kind__meta dd.mono { color: var(--teal-700); }

/* ---------- 图片容器微调 ---------- */

.page-products .pp-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border: var(--hair);
  background: var(--white);
}

.page-products .pp-figure--tight { margin-top: 0; }

.page-products .pp-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-products .pp-figure .media__caption {
  padding: 10px 14px;
  border-top: var(--hair);
  font-size: 12px;
  color: var(--metal-500);
  background: var(--white);
}

/* ---------- 表格 ---------- */

.page-products .pp-table-wrap {
  margin-top: clamp(18px, 2.6vw, 28px);
  overflow-x: auto;
  border: var(--hair);
  background: var(--white);
}

.page-products .pp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pp-table__caption {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--metal-500);
  background: var(--paper);
  border-bottom: var(--hair);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: var(--hair);
}

.page-products .pp-table thead th {
  background: var(--indigo-900);
  color: var(--text-dark-1);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  font-weight: 600;
  color: var(--ink);
  box-shadow: inset 3px 0 0 var(--teal-500);
}

.page-products .pp-table tbody tr:nth-child(even) { background: #EEF2F9; }
.page-products .pp-table tbody tr:hover { background: #E4EBF7; }
.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td { border-bottom: 0; }

.page-products .pp-cell-num {
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
  color: var(--teal-700);
}

.page-products .pp-table--verify tbody td:nth-child(2) { text-align: right; }

.page-products .pp-link {
  color: var(--teal-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .pp-link:hover { color: var(--indigo-700); }

.page-products .pp-note-row {
  margin-top: clamp(20px, 3vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
}

.page-products .pp-note {
  font-size: 13px;
  color: var(--pp-muted);
  padding-left: 14px;
  border-left: 2px solid var(--amber-500);
}

/* ---------- 备件筛选 ---------- */

.page-products .pp-filters {
  margin-top: clamp(16px, 2.4vw, 24px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-filter {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .02em;
  padding: 7px 14px;
  border: var(--hair);
  background: var(--white);
  color: var(--pp-muted);
  cursor: pointer;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .pp-filter:hover {
  color: var(--teal-700);
  border-color: var(--teal-700);
}

.page-products .pp-filter[aria-pressed="true"] {
  background: var(--teal-500);
  border-color: var(--teal-500);
  color: #06272A;
}

.page-products .pp-parts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line);
  border: var(--hair);
}

.page-products .pp-part {
  background: var(--white);
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pp-part__no {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--metal-500);
}

.page-products .pp-part__name {
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  line-height: 1.5;
}

.page-products .pp-part__meta {
  font-size: 12px;
  line-height: 1.6;
  color: var(--metal-500);
}

/* ---------- 定制五步 ---------- */

.page-products .pp-steps {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-products .pp-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 0 0 20px 18px;
}

.page-products .pp-step:last-child { padding-bottom: 0; }

.page-products .pp-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--teal-500);
}

.page-products .pp-step__no {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--teal-700);
  padding-top: 2px;
}

.page-products .pp-step__name {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-body);
}

.page-products .pp-step__body p {
  margin-top: 6px;
  font-size: 14px;
  color: var(--pp-muted);
}

.page-products .pp-step__meta {
  font-size: 12px;
  color: var(--metal-500);
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

/* ---------- 交付周期 ---------- */

.page-products .pp-lead__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 62em;
  color: var(--pp-muted);
}

.page-products .pp-axis {
  margin-top: clamp(18px, 2.6vw, 28px);
  padding: clamp(12px, 2vw, 22px);
  border: var(--hair);
  background: var(--white);
  overflow-x: auto;
}

.page-products .pp-axis svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-products .pp-axis text { font-family: var(--font-mono); font-size: 15px; }
.page-products .pp-axis .pp-axis__tick text { fill: var(--metal-500); }
.page-products .pp-axis .pp-axis__label text { font-family: var(--font-body); fill: var(--ink); }
.page-products .pp-axis .pp-axis__val text { font-size: 14px; }

.page-products .pp-lead__grid {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: var(--hair);
}

.page-products .pp-lead__block {
  background: var(--white);
  padding: 18px 20px 20px;
  font-size: 14px;
  color: var(--pp-muted);
}

.page-products .pp-lead__block--dark {
  background: var(--indigo-800);
  color: var(--text-dark-2);
}

.page-products .pp-lead__block--dark .pp-lead__sub { color: var(--text-dark-1); }

.page-products .pp-lead__sub {
  font-size: 17px;
  font-weight: 600;
  font-family: var(--font-body);
  margin-bottom: 8px;
  color: var(--ink);
}

/* ---------- 询价准备 ---------- */

.page-products .pp-inquiry__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 62em;
  color: var(--pp-muted);
}

.page-products .pp-needs {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pp-need {
  border: var(--hair);
  border-top: 3px solid var(--teal-500);
  background: var(--white);
  padding: 16px 18px 18px;
}

.page-products .pp-need__no {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--metal-500);
}

.page-products .pp-need__name {
  margin-top: 6px;
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-body);
}

.page-products .pp-need p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--pp-muted);
}

.page-products .pp-inquiry__foot {
  margin-top: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--indigo-900);
}

.page-products .pp-inquiry__note {
  flex: 1 1 320px;
  font-size: 14px;
  color: var(--pp-muted);
  max-width: 56em;
}

/* ---------- 核验 ---------- */

.page-products .pp-verify__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 62em;
  color: var(--pp-muted);
}

.page-products .pp-verify__tip {
  margin-top: 16px;
  font-size: 13px;
  color: var(--metal-500);
}

/* ---------- 结尾行动区 ---------- */

.page-products .pp-cta {
  border-top: 1px solid var(--indigo-900);
  background: var(--indigo-900);
  padding: clamp(28px, 4vw, 52px) 0;
}

.page-products .pp-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.page-products .pp-cta__text { flex: 1 1 380px; min-width: 0; }

.page-products .pp-cta__title {
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 600;
  color: var(--text-dark-1);
}

.page-products .pp-cta__desc {
  margin-top: 10px;
  max-width: 58em;
  font-size: 14px;
  color: var(--text-dark-2);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-products .pp-kinds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pp-needs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pp-lead__grid { grid-template-columns: 1.3fr 1fr; }
  .page-products .pp-note-row { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: 1.18fr .82fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-tabs {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(22px, 3vw, 44px);
  }

  .page-products .pp-tabs__rail {
    flex-direction: column;
    overflow: visible;
    border: var(--hair);
    border-top: 1px solid var(--indigo-900);
    background: var(--white);
  }

  .page-products .pp-tabs__btn {
    border-right: 0;
    border-bottom: var(--hair);
    border-left: 3px solid transparent;
    padding: 14px 16px;
  }

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

  .page-products #pp-tab-a:checked ~ .pp-tabs__rail .pp-tabs__btn--a,
  .page-products #pp-tab-b:checked ~ .pp-tabs__rail .pp-tabs__btn--b,
  .page-products #pp-tab-c:checked ~ .pp-tabs__rail .pp-tabs__btn--c,
  .page-products #pp-tab-d:checked ~ .pp-tabs__rail .pp-tabs__btn--d {
    box-shadow: inset 3px 0 0 var(--teal-500);
    border-left-color: var(--teal-500);
  }

  .page-products .pp-panel { padding-top: 0; }
}

@media (min-width: 1200px) {
  .page-products .pp-lead__block { padding: 22px 26px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-panel { animation: none; }
  .page-products .pp-tabs__btn,
  .page-products .pp-filter { transition: none; }
}