.page-products {
  --pp-gap: clamp(16px, 2vw, 28px);
  --pp-pad: clamp(18px, 2.2vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(22px, 4vw, 48px);
}

.page-products .pp-hero__grid {
  align-items: start;
  gap: clamp(24px, 4vw, 56px);
}

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

.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  margin: 10px 0 18px;
  max-width: 16em;
}

.page-products .pp-hero__text {
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--steel-700);
  max-width: 34em;
  margin: 0 0 26px;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-board {
  position: relative;
  padding: calc(var(--pp-pad) + 16px) var(--pp-pad) var(--pp-pad);
  background: var(--white);
  border-radius: var(--r-2);
}

.page-products .pp-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-board__row:last-child {
  border-bottom: 0;
}

.page-products .pp-board__meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-products .pp-board__name {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.page-products .pp-board__sub {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--steel-500);
  line-height: 1.5;
}

.page-products .pp-board__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pp-board__num .unit {
  font-size: 0.34em;
  margin-left: 4px;
  font-weight: 500;
  color: var(--steel-500);
  letter-spacing: 0;
}

.page-products .pp-board__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--steel-500);
}

/* ---------- 按部件分层 ---------- */
.page-products .pp-term__head {
  align-items: start;
  gap: clamp(22px, 3.4vw, 48px);
}

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

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

.page-products .pp-parts {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .pp-parts__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--pp-gap);
}

.page-products .filter-btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-1);
  background: var(--white);
  color: var(--steel-700);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-products .filter-btn:hover,
.page-products .filter-btn:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}

.page-products .filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.page-products .pp-parts__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-part {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: calc(var(--pp-pad) + 16px) var(--pp-pad) var(--pp-pad);
  background: var(--white);
  border-radius: var(--r-2);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-products .pp-part:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-1);
}

.page-products .pp-part__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products .pp-part__term {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 12px;
}

.page-products .pp-part__num {
  font-family: var(--font-mono);
  font-size: clamp(36px, 3.8vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.page-products .pp-part__unit {
  font-size: 13.5px;
  color: var(--steel-500);
}

.page-products .pp-part__desc {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel-500);
}

.page-products .pp-parts__figure {
  grid-column: 1 / -1;
  margin: 0;
}

.page-products .pp-parts__figure .img-frame {
  margin: 0;
}

/* ---------- 图片容器通用 ---------- */
.page-products .img-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-work__fig,
.page-products .pp-flow__fig,
.page-products .pp-extend__fig {
  margin: 0;
}

/* ---------- 起算方式 ---------- */
.page-products .pp-start__grid {
  align-items: start;
  gap: clamp(22px, 3.4vw, 48px);
}

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

.page-products .pp-start__side {
  position: relative;
  padding: calc(var(--pp-pad) + 16px) var(--pp-pad) var(--pp-pad);
  background: var(--white);
  border-radius: var(--r-2);
}

.page-products .pp-check {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-check .index-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-check .index-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pp-check .index-list__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
  padding-top: 4px;
}

.page-products .pp-check__body h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-check__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel-500);
}

/* ---------- 电脑端工作台 ---------- */
.page-products .pp-work__head {
  max-width: 46em;
}

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

.page-products .pp-tools {
  gap: var(--pp-gap);
}

.page-products .pp-tool {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: calc(var(--pp-pad) + 16px) var(--pp-pad) var(--pp-pad);
  background: var(--white);
  border-radius: var(--r-2);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-products .pp-tool:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-1);
}

.page-products .pp-tool__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-tool__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel-500);
}

.page-products .pp-tool__meta {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px 12px;
}

.page-products .pp-tool__meta dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel-500);
  padding-top: 3px;
}

.page-products .pp-tool__meta dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel-700);
}

.page-products .pp-work__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel-500);
}

.page-products .pp-work__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 160ms ease;
}

.page-products .pp-work__note a:hover {
  opacity: 0.72;
}

/* ---------- 工单五节点 ---------- */
.page-products .pp-flow__head {
  max-width: 46em;
}

.page-products .pp-flow .section__title {
  color: var(--white);
}

.page-products .pp-flow .section__eyebrow {
  color: var(--cyan);
}

.page-products .pp-flow .prose {
  color: var(--dark-muted);
}

.page-products .pp-track {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-products .pp-track__node {
  position: relative;
  padding: 22px 0 22px 26px;
  border-left: 2px solid rgba(255, 255, 255, 0.16);
}

.page-products .pp-track__node::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 27px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .pp-track__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-products .pp-track__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pp-track__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dark-muted);
  max-width: 26em;
}

.page-products .pp-track__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  background: var(--hot);
  padding: 1px 8px;
  border-radius: var(--r-1);
  margin: 0 2px;
}

/* ---------- 延保与增值服务 ---------- */
.page-products .pp-extend__grid {
  align-items: start;
  gap: clamp(24px, 3.6vw, 52px);
}

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

.page-products .pp-extend__items {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

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

.page-products .pp-extend__item .disclosure__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  background: none;
  border: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease;
}

.page-products .pp-extend__item .disclosure__trigger:hover {
  color: var(--blue);
}

.page-products .pp-extend__item .disclosure__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--blue);
}

.page-products .pp-extend__item .disclosure__panel {
  padding: 0 0 18px;
}

.page-products .pp-extend__item .disclosure__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel-500);
  max-width: 40em;
}

.page-products .pp-charge {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.2vw, 36px);
}

.page-products .pp-charge__col {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--white);
}

.page-products .pp-charge__col--pay {
  background: var(--paper);
  border-style: dashed;
}

.page-products .pp-charge__col h3 {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-charge__col ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .pp-charge__col li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel-700);
}

.page-products .pp-charge__col li:last-child {
  margin-bottom: 0;
}

.page-products .pp-charge__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 1px;
  background: var(--steel-500);
}

.page-products .pp-charge__col--pay li::before {
  background: var(--hot);
}

.page-products .pp-charge__rule {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel-500);
}

/* ---------- 企业批量报修 ---------- */
.page-products .pp-ent__panel {
  position: relative;
  padding: calc(var(--pp-pad) + 22px) var(--pp-pad) var(--pp-pad);
  border-radius: var(--r-3);
}

.page-products .pp-ent__grid {
  align-items: start;
  gap: clamp(24px, 3.6vw, 52px);
}

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

.page-products .pp-ent__panel .section__title {
  color: var(--white);
}

.page-products .pp-ent__panel .prose {
  color: var(--dark-muted);
}

.page-products .pp-ent__lead .btn {
  margin-top: 22px;
}

.page-products .pp-ent__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-ent__list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pp-ent__list li:first-child {
  padding-top: 0;
}

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

.page-products .pp-ent__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pp-ent__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dark-muted);
}

/* ---------- 相关入口 ---------- */
.page-products .pp-more__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
}

.page-products .pp-more__bar p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel-700);
  max-width: 46em;
}

.page-products .pp-more__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-parts__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pp-charge {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pp-track__node {
    padding: 30px 18px 0 0;
    border-left: 0;
    border-top: 2px solid rgba(255, 255, 255, 0.16);
  }

  .page-products .pp-track__node::before {
    left: 0;
    top: -7px;
    width: 12px;
    height: 12px;
  }

  .page-products .pp-track__text {
    max-width: 20em;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-parts__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 759px) {
  .page-products .pp-hero__title {
    max-width: none;
  }

  .page-products .pp-board__num {
    font-size: 32px;
  }

  .page-products .pp-more__bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .filter-btn,
  .page-products .pp-part,
  .page-products .pp-tool,
  .page-products .pp-extend__item .disclosure__trigger,
  .page-products .pp-work__note a {
    transition: none;
  }
}