.page-products {
  --pp-grid: rgba(36, 55, 77, 0.5);
  --pp-space: clamp(48px, 7vw, 96px);
  --pp-cut: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* ---------- 顶部图纸区 ---------- */

.page-products .pp-top {
  position: relative;
  padding: calc(var(--header-h) + 32px) 0 clamp(40px, 6vw, 76px);
  background-color: var(--bg-deep);
  background-image:
    linear-gradient(90deg, var(--pp-grid) 1px, transparent 1px),
    linear-gradient(0deg, var(--pp-grid) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: 50% 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-top::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(130% 90% at 18% 0%, rgba(10, 26, 47, 0) 38%, rgba(10, 26, 47, 0.92) 100%);
  pointer-events: none;
}

.page-products .pp-top > .container {
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  margin: 0 0 clamp(18px, 3vw, 30px);
}

.page-products .pp-hero {
  max-width: 940px;
}

.page-products .pp-hero__kicker {
  margin: 0 0 14px;
  color: var(--gold);
}

.page-products .pp-hero h1 {
  margin: 0 0 20px;
  font-family: var(--sans);
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-products .pp-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.78;
  color: var(--text);
}

.page-products .pp-ledger {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-ledger li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--bg-panel);
}

.page-products .pp-ledger__n {
  font-family: var(--mono);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .pp-ledger__c {
  color: var(--muted);
}

/* ---------- 双通道入口 ---------- */

.page-products .pp-gates {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-products .pp-gate {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 36px) clamp(22px, 3vw, 36px) clamp(24px, 3vw, 36px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-lg);
  transition: border-color 0.22s ease, background-color 0.22s ease;
}

.page-products .pp-gate::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
}

.page-products .pp-gate--stock::before { background: var(--green); }
.page-products .pp-gate--quote::before { background: var(--orange); }

.page-products .pp-gate:hover,
.page-products .pp-gate:focus-within {
  border-color: var(--cyan);
}

.page-products .pp-gate__idx {
  margin: 0;
  color: var(--muted);
}

.page-products .pp-gate__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-products .pp-gate__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
}

.page-products .pp-gate__hint {
  margin: 0;
  color: var(--cyan);
}

.page-products .pp-gate .btn {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 通用区块 ---------- */

.page-products .pp-sec {
  padding: var(--pp-space) 0;
}

.page-products .pp-sec + .pp-sec {
  border-top: 1px solid var(--line);
}

.page-products .section-head {
  margin-bottom: clamp(20px, 2.8vw, 34px);
}

.page-products .prose {
  max-width: 68ch;
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .pp-fig {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

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

/* ---------- 库存四类状态 ---------- */

.page-products .pp-states {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-products .pp-state {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--sc, var(--line));
  clip-path: var(--cut-sm);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-products .pp-state:hover {
  background: var(--ink);
}

.page-products .pp-state--stock { --sc: var(--green); }
.page-products .pp-state--transit { --sc: var(--cyan); }
.page-products .pp-state--out { --sc: var(--muted); }
.page-products .pp-state--order { --sc: var(--gold); }

.page-products .pp-state .tag {
  align-self: flex-start;
}

.page-products .pp-state__name {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.38;
  color: var(--cream);
}

.page-products .pp-state p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
}

.page-products .pp-state__act {
  margin-top: auto;
  color: var(--sc, var(--muted));
}

/* ---------- 型号分类索引 ---------- */

.page-products .pp-tax {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

.page-products .pp-tax__item {
  background: var(--cream);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  color: var(--ink);
}

.page-products .pp-tax__item > summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid rgba(27, 22, 17, 0.16);
}

.page-products .pp-tax__item > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-tax__name {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-products .pp-tax__hint {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(27, 22, 17, 0.62);
}

.page-products .pp-tax__list {
  list-style: none;
  margin: 0;
  padding: 14px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pp-tax__list li {
  position: relative;
  padding-left: 15px;
  font-size: 15px;
  line-height: 1.62;
  color: rgba(27, 22, 17, 0.84);
}

.page-products .pp-tax__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-products .pp-tax__list b {
  margin-right: 6px;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-tax__list-copy::before {
  display: none;
}

.page-products .pp-tax__list-copy {
  padding-left: 0;
}

.page-products .pp-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(27, 22, 17, 0.4);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-products .pp-copy:hover,
.page-products .pp-copy:focus-visible {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 询价四步 ---------- */

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

.page-products .pp-flow__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  outline: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .pp-flow__step:hover,
.page-products .pp-flow__step:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-products .pp-flow__step:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-products .pp-flow__n {
  font-family: var(--mono);
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
}

.page-products .pp-flow__step h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-products .pp-flow__step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
}

.page-products .pp-flow__need {
  margin-top: auto;
  color: var(--cyan);
}

/* ---------- 适配核对 ---------- */

.page-products .pp-fit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-fit__col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-products .pp-fit__col .mono-label {
  margin: 0;
  color: var(--muted);
}

.page-products .pp-fit__col h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: -0.01em;
}

.page-products .pp-fit__col p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
}

/* ---------- 校准节奏 ---------- */

.page-products .pp-cal {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products .pp-cal__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .pp-cal__list li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.74;
}

.page-products .pp-cal__list .mono-label {
  display: block;
  margin-bottom: 6px;
  color: var(--gold);
}

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

/* ---------- 场景 ---------- */

.page-products .pp-cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-case {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--ink);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  transition: border-color 0.2s ease;
}

.page-products .pp-case:hover {
  border-color: var(--orange);
}

.page-products .pp-case .mono-label {
  margin: 0;
  color: var(--orange);
}

.page-products .pp-case h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.32;
  color: var(--cream);
}

.page-products .pp-case p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.74;
}

/* ---------- 导出与下一步 ---------- */

.page-products .pp-export {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-export__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.8vw, 32px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-lg);
}

.page-products .pp-export__card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--cream);
  letter-spacing: -0.01em;
}

.page-products .pp-export__card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.76;
}

.page-products .pp-export__card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-products .pp-next {
  margin-top: clamp(30px, 4.2vw, 54px);
}

.page-products .pp-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-products .pp-ledger {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-states {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-tax,
  .page-products .pp-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-gates {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .page-products .pp-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pp-flow__step::after {
    content: "";
    position: absolute;
    right: -14px;
    top: 46%;
    width: 14px;
    height: 1px;
    background: var(--gold);
    opacity: 0.55;
    transform: rotate(-26deg);
  }

  .page-products .pp-flow__step:last-child::after {
    display: none;
  }

  .page-products .pp-fit,
  .page-products .pp-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pp-tax {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-cal {
    grid-template-columns: 0.92fr 1.08fr;
  }

  .page-products .pp-states {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-export {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .page-products .pp-ledger {
    grid-template-columns: 1fr;
  }

  .page-products .pp-gate,
  .page-products .pp-export__card {
    clip-path: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-gate,
  .page-products .pp-state,
  .page-products .pp-flow__step,
  .page-products .pp-case,
  .page-products .pp-copy {
    transition: none;
  }

  .page-products .pp-flow__step:hover,
  .page-products .pp-flow__step:focus-visible {
    transform: none;
  }
}