.page-products {
  --pl-gap: clamp(16px, 2.6vw, 28px);
  --pl-pad: clamp(18px, 2.6vw, 30px);
  --pl-paper-line: rgba(20, 22, 28, .16);
  --pl-paper-soft: rgba(20, 22, 28, .05);
}

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .pl-intro {
  padding-top: clamp(24px, 4vw, 44px);
}

.page-products .pl-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pl-gap);
  align-items: end;
}

.page-products .pl-intro__main h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 6vw, var(--step-6));
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pl-intro__lede {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: var(--step-1);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pl-intro__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  margin-top: 26px;
}

.page-products .pl-textlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 0;
  font-size: var(--step-1);
  color: var(--amber-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--t), border-color .2s var(--t);
}

.page-products .pl-textlink::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: .9em;
}

.page-products .pl-textlink:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-products .pl-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pl-facts__item {
  padding: 16px 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pl-facts__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step-3);
  line-height: 1.1;
  letter-spacing: 0.03em;
  color: var(--amber-light);
}

.page-products .pl-facts__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 服务线标签 ---------- */

.page-products .pl-lines__intro {
  max-width: 74ch;
}

.page-products .pl-tabs {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .pl-tabs .tabs__nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .pl-tabs .tabs__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px 13px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s var(--t), border-color .2s var(--t), background-color .2s var(--t);
}

.page-products .pl-tabs .tabs__tab:hover {
  color: var(--paper);
  background: rgba(22, 36, 74, .5);
}

.page-products .pl-tabs .tabs__tab.is-active {
  color: var(--paper);
  border-bottom-color: var(--amber);
}

.page-products .pl-tabs .tabs__tab .index-num {
  color: var(--amber);
  font-size: 12px;
}

.page-products .pl-tabs .tabs__panel {
  display: block;
}

.page-products .pl-tabs .tabs__panel[hidden] {
  display: none;
}

.page-products .pl-tabs .tabs__panel:focus {
  outline: none;
}

.js-ready .page-products .pl-tabs .tabs__panel:not(.is-active) {
  display: none;
}

.page-products .pl-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pl-gap);
  padding-top: clamp(22px, 3.5vw, 36px);
}

.page-products .pl-line__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .pl-line__head .index-num {
  color: var(--amber);
  font-size: 13px;
}

.page-products .pl-line__head h3 {
  margin: 0;
  font-size: clamp(21px, 3vw, var(--step-4));
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pl-line__lede {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: var(--step-1);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pl-line__sub {
  margin: 26px 0 14px;
  font-size: 15px;
  color: var(--paper);
}

.page-products .pl-line__media {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border: 1px solid var(--line);
}

.page-products .pl-line__side-media {
  margin: 0 0 16px;
  border: 1px solid var(--line);
}

.page-products .pl-side {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--pl-pad);
}

.page-products .pl-side__title {
  margin: 0 0 4px;
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--amber-light);
}

.page-products .pl-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pl-side__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pl-side__row:last-child {
  border-bottom: 0;
}

.page-products .pl-side__key {
  flex: 0 0 auto;
  color: var(--muted);
}

.page-products .pl-side__val {
  text-align: right;
  color: var(--paper);
}

.page-products .pl-side__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 折叠面板 ---------- */

.page-products .pl-acc {
  margin-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-products .pl-acc .acc-item {
  border-bottom: 1px solid var(--line);
}

.page-products .pl-acc .acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 2px;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--step-1);
  color: var(--paper);
  cursor: pointer;
  transition: color .2s var(--t);
}

.page-products .pl-acc .acc-trigger:hover {
  color: var(--amber-light);
}

.page-products .pl-acc .acc-trigger__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-products .pl-acc .acc-trigger__mark::before,
.page-products .pl-acc .acc-trigger__mark::after {
  content: "";
  position: absolute;
  background: var(--amber);
  transition: transform .24s var(--t), opacity .24s var(--t);
}

.page-products .pl-acc .acc-trigger__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-products .pl-acc .acc-trigger__mark::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-products .pl-acc .acc-item.is-open .acc-trigger__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-products .pl-acc .acc-panel {
  max-height: none;
  overflow: hidden;
}

.page-products .pl-acc .acc-panel__inner {
  padding-bottom: 4px;
}

.page-products .pl-acc .acc-panel__body p {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.js-ready .page-products .pl-acc .acc-item:not(.is-open) .acc-panel {
  max-height: 0;
  transition: max-height .24s var(--t);
}

.js-ready .page-products .pl-acc .acc-item.is-open .acc-panel {
  max-height: 900px;
  transition: max-height .24s var(--t);
}

/* ---------- 规格对照表 ---------- */

.page-products .pl-table-wrap {
  margin-top: clamp(20px, 3vw, 28px);
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-products .pl-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pl-table caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
  border-bottom: 1px solid var(--line);
  background: rgba(22, 36, 74, .45);
}

.page-products .pl-table th,
.page-products .pl-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
}

.page-products .pl-table thead th {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: rgba(22, 36, 74, .3);
}

.page-products .pl-table tbody th {
  font-weight: 500;
  color: var(--paper);
}

.page-products .pl-table tbody td {
  color: var(--muted);
}

.page-products .pl-table tbody tr:nth-child(even) {
  background: rgba(39, 56, 106, .16);
}

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

.page-products .pl-table .mono {
  color: var(--paper);
  font-size: 13px;
}

/* ---------- 需求分类 ---------- */

.page-products .pl-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pl-cats__item {
  padding: 20px 20px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pl-cats__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-products .pl-cats__name {
  margin: 8px 0 0;
  font-size: var(--step-2);
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pl-cats__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 流程路径 ---------- */

.page-products .pl-flow-section .section__head p {
  max-width: 74ch;
}

.page-products .pl-flow {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pl-flow__node {
  position: relative;
  padding: 22px 20px 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pl-flow__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--amber);
}

.page-products .pl-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .pl-flow__title {
  margin: 10px 0 0;
  font-size: var(--step-2);
  line-height: 1.35;
  color: var(--paper);
}

.page-products .pl-flow__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pl-flow__text a {
  color: var(--amber-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .pl-flow__text a:hover {
  border-bottom-color: var(--amber);
}

/* ---------- 资料库与交付物（宣纸白） ---------- */

.page-products .pl-kit__intro {
  max-width: 74ch;
}

.page-products .pl-kit__media {
  margin: clamp(24px, 4vw, 36px) 0 0;
  max-width: 1000px;
  border: 1px solid var(--pl-paper-line);
}

.page-products .pl-kit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .pl-kit__subtitle {
  margin: 0 0 16px;
  font-size: var(--step-2);
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pl-kit__text {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-paper);
}

.page-products .pl-kit__num {
  font-family: var(--font-mono);
  font-size: 1.06em;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-products .pl-dim {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .pl-dim__item {
  padding: 14px 16px;
  border: 1px solid var(--pl-paper-line);
  background: var(--pl-paper-soft);
}

.page-products .pl-dim__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.page-products .pl-dim__desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted-paper);
}

.page-products .pl-deliv {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .pl-deliv__item {
  position: relative;
  padding: 18px 18px 20px 48px;
  border: 1px solid var(--pl-paper-line);
  background: #fff;
}

.page-products .pl-deliv__box {
  position: absolute;
  left: 18px;
  top: 21px;
  width: 16px;
  height: 16px;
  border: 1px solid var(--amber);
}

.page-products .pl-deliv__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  transform: rotate(45deg);
}

.page-products .pl-deliv__name {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pl-deliv__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-paper);
}

/* ---------- 结尾引导 ---------- */

.page-products .pl-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pl-gap);
  align-items: center;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pl-cta__text h2 {
  margin: 0;
  font-size: clamp(22px, 3.4vw, var(--step-4));
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pl-cta__text p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pl-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .pl-facts__item {
    padding: 18px 18px 20px;
  }
}

@media (min-width: 900px) {
  .page-products .pl-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-products .pl-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pl-kit__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pl-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(24px, 3vw, 48px);
  }

  .page-products .pl-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-products .pl-line {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .pl-line__side {
    align-self: start;
  }

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

@media (max-width: 520px) {
  .page-products .pl-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pl-deliv__item {
    padding-left: 42px;
  }

  .page-products .pl-deliv__box {
    left: 14px;
  }

  .page-products .pl-tabs .tabs__tab {
    padding: 12px 14px 11px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pl-tabs .tabs__tab,
  .page-products .pl-textlink,
  .page-products .pl-acc .acc-trigger,
  .page-products .pl-acc .acc-trigger__mark::before,
  .page-products .pl-acc .acc-trigger__mark::after {
    transition: none;
  }

  .js-ready .page-products .pl-acc .acc-item .acc-panel {
    transition: none;
  }
}