.page-products {
  --pp-gap: clamp(24px, 3.4vw, 40px);
  --pp-shadow: 6px 6px 0 rgba(20, 22, 26, .08);
  --pp-border: 1px solid var(--ink);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(44px, 6vw, 80px);
  background: var(--paper);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -8%;
  width: 44%;
  height: 144%;
  background: var(--orange);
  opacity: .11;
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-products .pp-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .pp-hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .pp-hero-copy h1 {
  margin: 10px 0 18px;
  font-size: var(--h1);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.06;
  max-width: 15ch;
}

.page-products .pp-hero-copy .lede {
  max-width: 60ch;
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero-panel {
  background: var(--forest);
  color: var(--forest-ink);
  border-top: 4px solid var(--orange);
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 28px) clamp(40px, 5vw, 54px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-products .pp-panel-label {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
}

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

.page-products .pp-index li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(220, 231, 226, .18);
}

.page-products .pp-index li:first-child {
  border-top: none;
  padding-top: 0;
}

.page-products .pp-index .index-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .04em;
}

.page-products .pp-index b {
  display: block;
  font-size: 16px;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-products .pp-index span {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--forest-muted);
}

/* ---------- 指标带 ---------- */
.page-products .pp-specs {
  background: var(--ink);
  color: var(--paper);
}

.page-products .pp-spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .pp-spec-list li {
  padding: 20px clamp(12px, 2vw, 24px) 22px 0;
  border-top: 2px solid rgba(247, 244, 238, .16);
  display: grid;
  gap: 6px;
}

.page-products .pp-spec-k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--forest-muted);
  text-transform: uppercase;
}

.page-products .pp-spec-v {
  font-family: var(--mono);
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--orange);
  letter-spacing: -.01em;
}

/* ---------- 功能分区 ---------- */
.page-products .pp-caps {
  background: var(--paper);
}

.page-products .pp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-products .pp-tab {
  flex: 0 0 auto;
  appearance: none;
  cursor: pointer;
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  padding: 10px 14px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-tab:hover {
  border-color: var(--ink);
}

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

.page-products .pp-tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.page-products .pp-panel {
  flex: 1 0 100%;
  margin-top: 4px;
  padding-top: clamp(24px, 3.4vw, 40px);
  border-top: 3px solid var(--ink);
}

.page-products [role="tabpanel"][hidden] {
  display: none;
}

.page-products .pp-panel:focus-visible {
  outline: 2px solid var(--ice-deep);
  outline-offset: 4px;
}

.page-products .pp-split {
  display: grid;
  gap: var(--pp-gap);
}

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

.page-products .pp-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .pp-title {
  margin: 0 0 14px;
  font-size: var(--h3);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.28;
  max-width: 24ch;
}

.page-products .pp-sub-title {
  margin: 28px 0 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-products .pp-panel p {
  line-height: 1.75;
}

.page-products .pp-panel .meta {
  margin-top: 14px;
  font-size: 13px;
  color: var(--gray);
}

/* 四层工序 */
.page-products .pp-layers {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
}

.page-products .pp-layers li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-layers li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pp-layers .index-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--orange);
  padding-top: 4px;
}

.page-products .pp-layers h4 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-products .pp-layers p {
  margin: 0;
  font-size: 15px;
}

/* 输入到结果 */
.page-products .pp-trace {
  border: var(--pp-border);
  background: var(--orange-soft);
  padding: 20px;
  box-shadow: var(--pp-shadow);
}

.page-products .pp-trace-label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange-deep);
}

.page-products .pp-trace-row {
  padding: 10px 0;
  border-top: 1px solid rgba(20, 22, 26, .12);
}

.page-products .pp-trace-row:first-of-type {
  border-top: none;
}

.page-products .pp-trace-k {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gray);
  margin-bottom: 4px;
}

.page-products .pp-trace-row p {
  margin: 0;
  font-size: 14px;
}

/* ---------- 深色面板 ---------- */
.page-products .pp-dark {
  background: var(--forest);
  border: 1px solid var(--forest-deep);
  padding: clamp(24px, 3.6vw, 44px);
}

.page-products .pp-title-invert {
  color: var(--paper);
}

.page-products .pp-invert-text {
  color: var(--forest-muted);
  max-width: 56ch;
}

.page-products .pp-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.page-products .pp-stat {
  border-top: 2px solid var(--gold);
  padding-top: 12px;
  display: grid;
  gap: 6px;
}

.page-products .pp-stat b {
  font-family: var(--mono);
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 400;
  color: var(--gold);
  letter-spacing: -.01em;
}

.page-products .pp-stat span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--forest-muted);
}

.page-products .pp-dark-foot {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: 22px;
  border-top: 1px solid rgba(220, 231, 226, .18);
  display: grid;
  gap: 14px;
}

.page-products .pp-dark-foot p {
  margin: 0;
  color: var(--forest-muted);
  max-width: 68ch;
}

.page-products .pp-link-invert {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  justify-self: start;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* 图片容器 */
.page-products .pp-media {
  border: var(--pp-border);
  background: var(--paper-2);
  margin: 0;
}

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

.page-products .pp-media-invert {
  border-color: rgba(220, 231, 226, .28);
  background: var(--forest-deep);
}

.page-products .pp-media-invert .figure-caption {
  color: var(--forest-muted);
}

.page-products .figure-caption {
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* ---------- 对比表 ---------- */
.page-products .pp-dims {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-dims .tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .03em;
}

.page-products .pp-table-wrap {
  margin-top: clamp(24px, 3vw, 36px);
  border: var(--pp-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .cmp-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--paper);
}

.page-products .cmp-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
  border-bottom: 1px solid var(--line);
}

.page-products .cmp-table thead th {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-align: left;
  background: var(--ice);
  color: var(--ink);
  padding: 12px 16px;
  border-bottom: var(--pp-border);
  white-space: nowrap;
}

.page-products .cmp-table tbody th {
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .cmp-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

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

.page-products .cmp-table tbody tr:last-child th,
.page-products .cmp-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .grade {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  border: 1px solid;
}

.page-products .g1 {
  background: var(--paper-2);
  border-color: var(--line);
  color: var(--gray);
}

.page-products .g2 {
  background: var(--ice-soft);
  border-color: var(--ice);
  color: var(--ice-deep);
}

.page-products .g3 {
  background: var(--ice-deep);
  border-color: var(--ice-deep);
  color: #fff;
}

.page-products .g4 {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

/* ---------- 标签体系 ---------- */
.page-products .pp-tagbars {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-tagbar {
  display: grid;
  grid-template-columns: minmax(84px, 30%) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.page-products .pp-tagbar span {
  color: var(--ink);
}

.page-products .pp-tagbar b {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray);
  font-weight: 400;
}

.page-products .pp-bar {
  display: block;
  height: 12px;
  background: linear-gradient(90deg, var(--ice-deep), var(--ice));
}

.page-products .pp-b1 { width: 92%; }
.page-products .pp-b2 { width: 78%; }
.page-products .pp-b3 { width: 64%; }
.page-products .pp-b4 { width: 51%; }
.page-products .pp-b5 { width: 37%; }

/* ---------- 时间轴 ---------- */
.page-products .pp-timeline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 26px;
}

.page-products .pp-timeline .timeline-item {
  position: relative;
  padding-left: 6px;
}

.page-products .pp-timeline .timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--paper);
  border: 2px solid var(--ice-deep);
  border-radius: 50%;
}

.page-products .pp-timeline .timeline-item[data-current="true"]::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-soft);
}

.page-products .pp-tl-k {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-products .pp-timeline .timeline-item[data-current="true"] .pp-tl-k {
  color: var(--orange-deep);
}

.page-products .pp-tl-t {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
}

.page-products .pp-timeline .timeline-item p:last-child {
  margin: 0;
  font-size: 15px;
}

.page-products .pp-notes-foot {
  margin-top: clamp(28px, 3.4vw, 40px);
  display: grid;
  gap: 22px;
}

.page-products .pp-notes-aside {
  border-left: 3px solid var(--orange);
  padding-left: 18px;
}

.page-products .pp-notes-aside p {
  margin: 0 0 16px;
  font-size: 15px;
}

/* ---------- 导出与开通 ---------- */
.page-products .pp-formats {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-products .pp-format {
  border: var(--pp-border);
  background: var(--paper);
  padding: 18px 20px;
  box-shadow: var(--pp-shadow);
}

.page-products .pp-format b {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-deep);
  margin-bottom: 8px;
}

.page-products .pp-format p {
  margin: 0;
  font-size: 14px;
}

.page-products .pp-paths {
  list-style: none;
  margin: 18px 0 26px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pp-paths li {
  border-left: 3px solid var(--ice-deep);
  padding-left: 16px;
}

.page-products .pp-paths b {
  display: block;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 5px;
}

.page-products .pp-paths span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 结尾 ---------- */
.page-products .pp-cta {
  background: var(--orange);
  color: #fff;
  padding: clamp(40px, 5.4vw, 72px) 0;
}

.page-products .pp-cta-inner {
  display: grid;
  gap: 26px;
}

.page-products .pp-cta h2 {
  margin: 0 0 12px;
  font-size: var(--h2);
  font-weight: 900;
  letter-spacing: -.01em;
  color: #fff;
  max-width: 22ch;
}

.page-products .pp-cta p {
  margin: 0;
  max-width: 62ch;
  color: rgba(255, 255, 255, .9);
  line-height: 1.7;
}

.page-products .pp-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-products .pp-cta .btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pp-cta .btn-primary:hover {
  background: var(--forest);
  border-color: var(--forest);
}

.page-products .pp-cta .btn-ghost {
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}

.page-products .pp-cta .btn-ghost:hover {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-products .pp-notes-foot {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-products .pp-cta-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: center;
  }

  .page-products .pp-media-square img {
    aspect-ratio: 1 / 1;
  }
}

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