.page-products {
  --pf-pad-y: clamp(48px, 8vw, 96px);
  --pf-gap: clamp(20px, 4vw, 40px);
  --pf-card-bg: var(--ink-100);
  background: var(--ink-000);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏：直接进入正文 ---------- */

.page-products .pf-lead {
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-lead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(26px, 4vw, 52px);
}

.page-products .pf-lead h1 {
  margin: 0.34em 0 0;
  font-size: clamp(38px, 9vw, 88px);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: 0.12em;
  color: var(--text);
}

.page-products .pf-lead__sub {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 30ch;
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text);
  letter-spacing: 0.02em;
}

.page-products .pf-lead__text {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-products .pf-meta {
  margin: clamp(16px, 2vw, 22px) 0 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-meta__key {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-products .pf-meta__val {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--text);
  text-align: right;
}

/* ---------- 面板骨架 ---------- */

.page-products .pf-panel,
.page-products .pf-block {
  position: relative;
  padding-top: var(--pf-pad-y);
  padding-bottom: var(--pf-pad-y);
  border-top: 1px solid var(--line);
}

.page-products .pf-panel:first-of-type {
  border-top: 0;
}

.page-products .pf-block .panel__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* ---------- 01 功能树 ---------- */

.page-products .pf-tree {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(8px, 2vw, 16px);
}

.page-products .pf-tree::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(220px, 40%);
  height: 1px;
  background: linear-gradient(90deg, var(--green), rgba(61, 242, 164, 0));
}

.page-products .pf-node {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 18px 20px 20px 22px;
  border-top: 1px solid var(--line);
  border-left: 2px solid var(--line);
  background: var(--pf-card-bg);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .pf-node:hover,
.page-products .pf-node:focus-visible {
  border-left-color: var(--green);
  background: var(--ink-200);
}

.page-products .pf-node__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .pf-node__name {
  display: block;
  font-size: 17px;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-products .pf-node__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 图文区块通用 ---------- */

.page-products .pf-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-products .pf-block__intro {
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-products .pf-block__intro p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-products .pf-block__text p {
  margin: 0 0 1.1em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-products .pf-block__text p:last-child {
  margin-bottom: 0;
}

.page-products .pf-block__aside .data-list {
  border-top: 1px solid var(--line);
}

.page-products .pf-figure {
  margin: clamp(30px, 5vw, 56px) 0 0;
}

.page-products .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-products .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 被锚点定位到的区块获得层次提升 */
.page-products .pf-block:target {
  background:
    radial-gradient(900px 260px at 0% 0%, rgba(61, 242, 164, 0.07), rgba(61, 242, 164, 0) 70%);
  box-shadow: inset 2px 0 0 var(--green);
}

/* ---------- 03 比率：全页唯一的渐变重区 ---------- */

.page-products #fn-ratio {
  background:
    radial-gradient(1100px 320px at 14% 0%, rgba(11, 59, 46, 0.6), rgba(11, 59, 46, 0) 72%),
    linear-gradient(180deg, var(--ink-100) 0%, var(--ink-000) 82%);
}

.page-products #fn-ratio:target {
  background:
    radial-gradient(900px 280px at 0% 0%, rgba(61, 242, 164, 0.09), rgba(61, 242, 164, 0) 70%),
    radial-gradient(1100px 320px at 14% 0%, rgba(11, 59, 46, 0.6), rgba(11, 59, 46, 0) 72%),
    linear-gradient(180deg, var(--ink-100) 0%, var(--ink-000) 82%);
}

/* ---------- 04 字段清单 ---------- */

.page-products .pf-fields {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-field {
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-field__name {
  margin: 0 0 9px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-products .pf-field__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mid);
}

.page-products .pf-layers {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-products .pf-layers__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-layers__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  letter-spacing: 0.04em;
}

.page-products .pf-layers__item .mono {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .pf-layers__note {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 05 导出矩阵 ---------- */

.page-products .pf-matrix-wrap {
  margin-top: clamp(30px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-matrix {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  text-align: left;
}

.page-products .pf-matrix__caption {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-align: left;
}

.page-products .pf-matrix th,
.page-products .pf-matrix td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  transition: background-color 0.2s var(--ease);
}

.page-products .pf-matrix thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  background: var(--ink-100);
  white-space: nowrap;
}

.page-products .pf-matrix tbody td {
  color: var(--text-mid);
}

.page-products .pf-matrix tbody td:first-child {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text);
  white-space: nowrap;
}

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

.page-products .pf-matrix tbody tr:hover td {
  background: var(--ink-200);
}

.page-products .pf-matrix tbody tr:hover td:first-child {
  color: var(--green);
}

.page-products .pf-matrix:has(tbody td:nth-child(2):hover) tbody td:nth-child(2),
.page-products .pf-matrix:has(tbody td:nth-child(3):hover) tbody td:nth-child(3) {
  background: var(--ink-200);
}

/* ---------- 06 设备与设置 ---------- */

.page-products .pf-env {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pf-env__item {
  padding: 20px 22px 22px;
  border-top: 1px solid var(--line);
  border-left: 2px solid var(--line);
  background: var(--pf-card-bg);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .pf-env__item:hover {
  border-left-color: var(--green);
  background: var(--ink-200);
}

.page-products .pf-env__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .pf-env__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-products .pf-env__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mid);
}

.page-products .pf-settings {
  margin-top: clamp(32px, 4vw, 52px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-products .pf-settings__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-settings__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-settings__name {
  flex: 0 0 auto;
  min-width: 6.5em;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-products .pf-settings__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mid);
}

/* ---------- 延伸入口 ---------- */

.page-products .pf-next {
  border-top: 1px solid var(--line);
  padding-top: clamp(44px, 6vw, 80px);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-products .pf-next .panel__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

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

.page-products .pf-next__item {
  border-bottom: 1px solid var(--line);
}

.page-products .pf-next__link {
  display: grid;
  gap: 5px;
  padding: 18px 0 20px;
  color: inherit;
  text-decoration: none;
  transition: padding-left 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .pf-next__link:hover,
.page-products .pf-next__link:focus-visible {
  padding-left: 14px;
  background: linear-gradient(90deg, rgba(61, 242, 164, 0.09), rgba(61, 242, 164, 0));
}

.page-products .pf-next__name {
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text);
}

.page-products .pf-next__link:hover .pf-next__name,
.page-products .pf-next__link:focus-visible .pf-next__name {
  color: var(--green);
}

.page-products .pf-next__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 焦点可见 ---------- */

.page-products a:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

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

  .page-products .pf-layers__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .page-products .pf-layers__item {
    flex-direction: column;
    gap: 8px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    padding-right: 14px;
  }

  .page-products .pf-layers__item:last-child {
    border-right: 0;
  }

  .page-products .pf-settings__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-products .pf-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 900px) {
  .page-products .pf-lead__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pf-lead__aside {
    margin-top: 54px;
  }

  .page-products .pf-env {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-products .pf-tree {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pf-block__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pf-block__aside {
    margin-top: 46px;
  }

  .page-products .pf-block--flip .pf-block__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
  }

  .page-products .pf-block--flip .pf-block__text {
    order: 2;
  }

  .page-products .pf-block--flip .pf-block__aside {
    order: 1;
  }

  .page-products .pf-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 5vw, 64px);
    border-bottom: 1px solid var(--line);
  }

  .page-products .pf-field {
    border-bottom: 0;
    border-top: 1px solid var(--line);
    margin-top: -1px;
  }

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

@media (min-width: 1240px) {
  .page-products .pf-node__desc {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}