.page-products {
  --pp-gap: clamp(20px, 4vw, 48px);
  --pp-hair: rgba(176, 122, 60, 0.32);
  --pp-hair-soft: rgba(245, 247, 250, 0.12);
}

/* ---------- 章节通用 ---------- */
.page-products .section {
  padding: clamp(48px, 8vw, 92px) 0;
  scroll-margin-top: 128px;
}

.page-products .pp-hero {
  position: relative;
  padding-top: clamp(112px, 15vw, 178px);
  padding-bottom: clamp(36px, 6vw, 64px);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: 6%;
  right: -14%;
  width: min(600px, 70vw);
  height: min(440px, 52vw);
  background: linear-gradient(135deg, rgba(232, 85, 45, 0.17), rgba(79, 195, 247, 0.07) 62%, transparent);
  border-radius: 40px;
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -18%;
  width: min(420px, 52vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--copper) 45%, transparent);
  opacity: 0.6;
  pointer-events: none;
}

.page-products .pp-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero .section-kicker {
  margin: 18px 0 14px;
  color: var(--copper);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
}

.page-products .pp-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6vw, 60px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--mist);
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 20ch;
}

.page-products .pp-hero h1 em {
  font-style: normal;
  color: var(--ember-hi);
}

.page-products .pp-hero .lede {
  max-width: 64ch;
  font-size: clamp(15.5px, 1.55vw, 18.5px);
  line-height: 1.92;
  color: rgba(245, 247, 250, 0.8);
  margin: 0;
}

/* ---------- 首屏数据条 ---------- */
.page-products .pp-stats {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pp-stats li {
  background: rgba(21, 24, 29, 0.94);
  padding: clamp(16px, 2.4vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pp-stats b {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1;
  color: var(--ice);
  letter-spacing: -0.02em;
}

.page-products .pp-stats span {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---------- 章节头 ---------- */
.page-products .section-head {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  column-gap: clamp(14px, 3vw, 34px);
  align-items: start;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .chapter-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(42px, 8.4vw, 100px);
  line-height: 0.84;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(232, 85, 45, 0.6);
  padding-top: 4px;
}

@supports not (-webkit-text-stroke: 1px red) {
  .page-products .chapter-num {
    color: rgba(232, 85, 45, 0.45);
  }
}

.page-products .pp-head-body .section-kicker {
  margin: 0 0 8px;
  color: var(--copper);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
}

.page-products .pp-head-body .section-title {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.26;
  color: var(--mist);
  margin: 0 0 14px;
}

.page-products .pp-head-body .lede {
  max-width: 68ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.74);
}

/* ---------- 铜色分隔 ---------- */
.page-products .pp-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(176, 122, 60, 0.6) 16%, rgba(176, 122, 60, 0.6) 84%, transparent);
}

/* ---------- 三层结构 ---------- */
.page-products .pp-layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: 1fr;
}

.page-products .pp-layer {
  position: relative;
  overflow: hidden;
  background: rgba(21, 24, 29, 0.88);
  border: 1px solid rgba(176, 122, 60, 0.26);
  border-radius: var(--radius);
  padding: clamp(20px, 2.8vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-layer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ember), rgba(232, 85, 45, 0));
}

.page-products .pp-layer:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 85, 45, 0.42);
}

.page-products .pp-layer-code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-products .pp-layer h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--mist);
}

.page-products .pp-layer p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(245, 247, 250, 0.72);
}

.page-products .pp-layer-link {
  margin-top: auto;
  padding-top: 8px;
  align-self: flex-start;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--ember-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 69, 0.42);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-layer-link:hover,
.page-products .pp-layer-link:focus-visible {
  color: var(--mist);
  border-color: var(--mist);
}

/* ---------- 图片容器 ---------- */
.page-products .pp-figure {
  margin: 0 0 clamp(24px, 3.6vw, 38px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(30, 92, 122, 0.42), rgba(14, 16, 19, 0.94));
  border: 1px solid rgba(176, 122, 60, 0.24);
}

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

.page-products .pp-figure figcaption {
  padding: 12px clamp(16px, 2vw, 20px);
  background: rgba(14, 16, 19, 0.82);
  border-top: 1px solid rgba(176, 122, 60, 0.24);
  font-size: 13px;
  line-height: 1.72;
  color: var(--graphite);
}

/* ---------- 品类族 ---------- */
.page-products .pp-clan-tabs {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-clan-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(176, 122, 60, 0.42);
  background: rgba(21, 24, 29, 0.6);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-clan-tab:hover,
.page-products .pp-clan-tab:focus-visible {
  background: rgba(232, 85, 45, 0.18);
  border-color: var(--ember);
}

.page-products .pp-clans {
  display: grid;
  gap: clamp(28px, 4.6vw, 52px);
}

.page-products .pp-clan {
  scroll-margin-top: 132px;
}

.page-products .pp-clan-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-products .pp-clan-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 700;
  color: var(--mist);
}

.page-products .pp-clan-head p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 对照表 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  background: var(--paper);
}

.page-products .cat-table {
  width: 100%;
  min-width: 700px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14.5px;
  color: var(--sepia);
}

.page-products .cat-table thead th {
  position: sticky;
  top: 0;
  z-index: 4;
  background: var(--sepia);
  color: var(--mist);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
}

.page-products .cat-table thead th:first-child {
  z-index: 6;
}

.page-products .cat-table th:first-child,
.page-products .cat-table td:first-child {
  position: sticky;
  left: 0;
}

.page-products .cat-table tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(36, 27, 22, 0.12);
  vertical-align: top;
  line-height: 1.68;
  background: var(--paper);
}

.page-products .cat-table tbody td:first-child {
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ember);
  box-shadow: 1px 0 0 rgba(36, 27, 22, 0.14);
}

.page-products .cat-table tbody td:nth-child(3),
.page-products .cat-table tbody td:nth-child(4) {
  color: rgba(36, 27, 22, 0.76);
}

.page-products .cat-table tbody tr:nth-child(even) td {
  background: var(--paper-2);
}

.page-products .cat-table tbody tr:hover td {
  background: rgba(232, 85, 45, 0.12);
}

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

/* ---------- 旁注 ---------- */
.page-products .pp-note {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--copper);
  font-size: 13px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .pp-note a {
  color: var(--ember-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 69, 0.4);
}

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

/* ---------- 供货能力 ---------- */
.page-products .pp-supply-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  grid-template-columns: 1fr;
}

.page-products .pp-supply-group {
  background: rgba(21, 24, 29, 0.86);
  border: 1px solid rgba(176, 122, 60, 0.26);
  border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-products .pp-supply-group h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .pp-supply-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-supply-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pp-hair-soft);
}

.page-products .pp-supply-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pp-code {
  grid-row: span 2;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--copper);
  padding-top: 3px;
}

.page-products .pp-supply-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--mist);
}

.page-products .pp-supply-form {
  font-size: 13px;
  line-height: 1.66;
  color: var(--graphite);
}

/* ---------- 方案权限 ---------- */
.page-products .pp-perms-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-products .pp-perms {
  display: grid;
  gap: 12px;
}

.page-products .pp-acc {
  background: rgba(21, 24, 29, 0.88);
  border: 1px solid rgba(176, 122, 60, 0.26);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-products .pp-acc[open] {
  border-color: rgba(232, 85, 45, 0.46);
}

.page-products .pp-acc > summary {
  cursor: pointer;
  list-style: none;
  padding: clamp(16px, 2.2vw, 20px) clamp(16px, 2.4vw, 24px);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

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

.page-products .pp-acc > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ember);
}

.page-products .pp-acc[open] > summary::after {
  content: "−";
}

.page-products .pp-perm-code {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-products .pp-perm-name {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: var(--mist);
}

.page-products .pp-perm-role {
  flex-basis: 100%;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--graphite);
}

.page-products .pp-faq-q {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 700;
  color: var(--mist);
}

.page-products .pp-perm-body {
  padding: 0 clamp(16px, 2.4vw, 24px) clamp(16px, 2.2vw, 22px);
}

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

.page-products .pp-perm-body li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(245, 247, 250, 0.78);
}

.page-products .pp-perm-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--ember);
}

.page-products .pp-perm-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.86;
  color: rgba(245, 247, 250, 0.78);
}

.page-products .pp-perm-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(176, 122, 60, 0.24);
  background: linear-gradient(150deg, rgba(30, 92, 122, 0.4), rgba(14, 16, 19, 0.94));
}

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

.page-products .pp-perm-media figcaption,
.page-products .pp-faq-media figcaption {
  padding: 12px clamp(16px, 2vw, 18px);
  background: rgba(14, 16, 19, 0.82);
  border-top: 1px solid rgba(176, 122, 60, 0.24);
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--graphite);
}

/* ---------- 对接流程 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  grid-template-columns: 1fr;
}

.page-products .pp-flow-step {
  position: relative;
  overflow: hidden;
  background: rgba(21, 24, 29, 0.86);
  border: 1px solid rgba(176, 122, 60, 0.24);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 24px) clamp(16px, 2.2vw, 22px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ice-deep), rgba(30, 92, 122, 0));
}

.page-products .pp-flow-step:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 195, 247, 0.42);
}

.page-products .pp-flow-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
  margin-bottom: 10px;
}

.page-products .pp-flow-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.9vw, 18px);
  font-weight: 700;
  color: var(--mist);
}

.page-products .pp-flow-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(245, 247, 250, 0.7);
}

/* ---------- 常见疑问 ---------- */
.page-products .pp-faq-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-products .pp-faq-list {
  display: grid;
  gap: 12px;
}

.page-products .pp-faq-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(176, 122, 60, 0.24);
  background: linear-gradient(160deg, rgba(176, 122, 60, 0.18), rgba(14, 16, 19, 0.94));
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-layers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 980px) {
  .page-products .pp-perms-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
  }

  .page-products .pp-faq-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
  }
}

@media (min-width: 1040px) {
  .page-products .pp-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 699px) {
  .page-products .section {
    scroll-margin-top: 104px;
  }

  .page-products .section-head {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 10px;
  }

  .page-products .chapter-num {
    font-size: clamp(38px, 13vw, 54px);
    -webkit-text-stroke-width: 1.2px;
  }

  .page-products .pp-hero h1 {
    max-width: none;
  }

  .page-products .cat-table {
    min-width: 620px;
    font-size: 13.5px;
  }

  .page-products .cat-table tbody td,
  .page-products .cat-table thead th {
    padding: 12px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-layer,
  .page-products .pp-flow-step {
    transition: none;
  }

  .page-products .pp-layer:hover,
  .page-products .pp-flow-step:hover {
    transform: none;
  }
}