.page-products {
  --pf-gap: clamp(20px, 3vw, 32px);
  --pf-band: clamp(44px, 6vw, 76px);
  background: var(--paper-50);
}

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

.page-products .pf-topbar {
  padding: 16px 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding: 28px 0 var(--pf-band);
  border-bottom: var(--line);
}

.page-products .pf-hero__inner {
  display: grid;
  gap: var(--pf-gap);
}

.page-products .pf-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.01em;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.06;
  margin: 12px 0 0;
  color: var(--ink-900);
  max-width: 16ch;
}

.page-products .pf-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .pf-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .pf-jump__link {
  display: inline-block;
  padding: 7px 13px;
  border: var(--line);
  background: var(--paper-0);
  color: var(--ink-700);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pf-jump__link:hover,
.page-products .pf-jump__link:focus-visible {
  border-color: var(--amber-500);
  color: var(--ink-900);
  background: var(--amber-100);
}

.page-products .pf-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: var(--line);
}

.page-products .pf-hero__meta-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--indigo-600);
  margin-left: 6px;
}

.page-products .pf-hero__meta-label {
  font-size: 13px;
  color: var(--slate-500);
}

.page-products .pf-hero__media {
  margin: 0;
}

/* ---------- 主体骨架 ---------- */
.page-products .pf-body {
  display: block;
  padding: var(--pf-band) 0 0;
}

.page-products .pf-flow {
  min-width: 0;
}

.page-products .pf-section {
  padding-bottom: var(--pf-band);
  margin-bottom: var(--pf-band);
  border-bottom: var(--line);
}

.page-products .pf-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-products .pf-section h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--ink-900);
}

.page-products .pf-h3 {
  font-size: 18px;
  font-weight: 650;
  color: var(--indigo-900);
  margin: 26px 0 10px;
  padding-left: 12px;
  border-left: 3px solid var(--amber-500);
}

.page-products .pf-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-700);
  max-width: 68ch;
  margin: 18px 0 24px;
}

.page-products .pf-section p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .pf-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-500);
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-300);
}

/* ---------- 侧边索引 ---------- */
.page-products .pf-index {
  border: var(--line);
  background: var(--paper-0);
  padding: 14px 16px;
  margin-bottom: 32px;
  border-radius: var(--radius);
}

.page-products .pf-index__title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--slate-500);
  margin: 0 0 10px;
}

.page-products .pf-index__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--ink-700);
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pf-index__list a .mono {
  font-size: 11px;
  color: var(--amber-500);
}

.page-products .pf-index__list a:hover,
.page-products .pf-index__list a:focus-visible {
  background: var(--paper-50);
  color: var(--indigo-900);
}

.page-products .pf-index__foot {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: var(--line);
}

.page-products .pf-index__key {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--slate-500);
  margin: 0 0 8px;
  line-height: 1.5;
}

/* ---------- 品类矩阵 ---------- */
.page-products .pf-cat-grid {
  list-style: none;
  margin: 0 0 30px;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-300);
  border: var(--line);
}

.page-products .pf-cat {
  background: var(--paper-0);
  padding: 16px 14px;
  transition: background var(--dur) var(--ease);
}

.page-products .pf-cat:hover {
  background: var(--paper-50);
}

.page-products .pf-cat__icon {
  width: 26px;
  height: 26px;
  color: var(--indigo-600);
}

.page-products .pf-cat__name {
  margin: 10px 0 4px;
  font-size: 15px;
  font-weight: 650;
  color: var(--ink-900);
}

.page-products .pf-cat__meta {
  margin: 0;
  font-size: 12px;
  color: var(--celadon-600);
}

/* ---------- 表格 ---------- */
.page-products .pf-table-wrap {
  overflow-x: auto;
  border: var(--line);
  background: var(--paper-0);
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pf-table__caption {
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-500);
  border-bottom: var(--line);
}

.page-products .pf-table thead th {
  background: var(--ink-700);
  color: var(--paper-0);
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 12px 14px;
  white-space: nowrap;
}

.page-products .pf-table tbody th {
  text-align: left;
  font-weight: 650;
  color: var(--ink-900);
  padding: 13px 14px;
  vertical-align: top;
  white-space: nowrap;
}

.page-products .pf-table tbody td {
  padding: 13px 14px;
  color: var(--ink-700);
  line-height: 1.65;
  border-top: var(--line);
  vertical-align: top;
}

.page-products .pf-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .pf-table tbody tr:hover {
  background: var(--amber-100);
}

.page-products .pf-num {
  font-size: 17px;
  font-weight: 700;
  color: var(--amber-500);
}

.page-products .pf-table--compare thead th:nth-child(3) {
  background: var(--celadon-600);
}

.page-products .pf-table--compare thead th:nth-child(4) {
  background: var(--indigo-900);
}

/* ---------- 图文错位 ---------- */
.page-products .pf-split {
  display: grid;
  gap: var(--pf-gap);
  margin-top: 30px;
}

.page-products .pf-split__text {
  min-width: 0;
}

.page-products .pf-split__text > p {
  margin: 0 0 14px;
}

.page-products .pf-split__media {
  margin: 0;
}

.page-products .pf-figure img {
  width: 100%;
}

/* ---------- 流程步骤 ---------- */
.page-products .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--line-300);
  border: var(--line);
  counter-reset: none;
}

.page-products .pf-step {
  background: var(--paper-0);
  padding: 20px 18px;
}

.page-products .pf-step__no {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}

.page-products .pf-step__title {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 650;
  color: var(--ink-900);
}

.page-products .pf-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 响应时效 ---------- */
.page-products .pf-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-300);
  border: var(--line);
  margin: 16px 0 18px;
}

.page-products .pf-stat {
  background: var(--paper-0);
  padding: 16px 12px;
  text-align: center;
}

.page-products .pf-stat__num {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  color: var(--indigo-900);
  line-height: 1;
}

.page-products .pf-stat__unit {
  font-size: 12px;
  font-weight: 500;
  color: var(--slate-500);
  margin-left: 2px;
}

.page-products .pf-stat__label {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--slate-500);
}

/* ---------- 选择建议卡 ---------- */
.page-products .pf-choose {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-products .pf-choose__item {
  border: var(--line);
  border-left: 3px solid var(--line-300);
  background: var(--paper-0);
  padding: 14px 16px;
  border-radius: var(--radius);
}

.page-products .pf-choose__item--fix {
  border-left-color: var(--indigo-600);
}

.page-products .pf-choose__item--care {
  border-left-color: var(--celadon-600);
}

.page-products .pf-choose__item--extend {
  border-left-color: var(--amber-500);
}

.page-products .pf-choose__tag {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.page-products .pf-choose__item p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 折叠条目 ---------- */
.page-products .pf-folds {
  border-top: var(--line);
}

.page-products .pf-fold {
  border-bottom: var(--line);
  background: var(--paper-0);
  transition: background var(--dur) var(--ease);
}

.page-products .pf-fold[open] {
  background: var(--paper-50);
}

.page-products .pf-fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-fold__head::-webkit-details-marker {
  display: none;
}

.page-products .pf-fold__head:hover {
  border-left-color: var(--amber-500);
}

.page-products .pf-fold[open] .pf-fold__head {
  border-left-color: var(--celadon-600);
}

.page-products .pf-fold__name {
  font-size: 16px;
  font-weight: 650;
  color: var(--ink-900);
}

.page-products .pf-fold__cue {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate-500);
}

.page-products .pf-fold__body {
  margin: 0;
  padding: 4px 16px 20px 19px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-products .pf-fold__body dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--slate-500);
  margin-top: 10px;
}

.page-products .pf-fold__body dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pf-fold__body dd.mono {
  color: var(--celadon-600);
  font-weight: 600;
}

/* ---------- 套餐卡 ---------- */
.page-products .pf-plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 16px;
}

.page-products .pf-plan {
  border: var(--line);
  background: var(--paper-0);
  padding: 20px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-products .pf-plan--focus {
  border-color: var(--amber-500);
  box-shadow: var(--shadow-2);
}

.page-products .pf-plan__term {
  margin: 0;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber-500);
}

.page-products .pf-plan__name {
  margin: 10px 0 8px;
  font-size: 15px;
  font-weight: 650;
  color: var(--ink-900);
}

.page-products .pf-plan__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 清单 ---------- */
.page-products .pf-list {
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .pf-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pf-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--amber-500);
  transform: rotate(45deg);
}

/* ---------- 行动区 ---------- */
.page-products .pf-cta {
  margin-top: 34px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--indigo-900);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--amber-500);
}

.page-products .pf-cta__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}

.page-products .pf-cta__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 750;
  line-height: 1.25;
  color: var(--paper-0);
}

.page-products .pf-cta__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 245, 240, 0.78);
}

.page-products .pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .pf-cta__contact {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: var(--hair-light);
  font-size: 13px;
  color: rgba(247, 245, 240, 0.7);
}

.page-products .pf-cta__contact .mono {
  color: var(--paper-0);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .pf-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .pf-fold__body {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
  }

  .page-products .pf-fold__body dt {
    margin-top: 0;
    padding-top: 12px;
  }

  .page-products .pf-fold__body dd {
    padding-top: 10px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products .pf-hero {
    padding-top: 44px;
  }

  .page-products .pf-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-products .pf-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: clamp(36px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pf-index {
    position: sticky;
    top: 88px;
    order: 2;
    margin-bottom: 0;
    padding: 18px;
  }

  .page-products .pf-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pf-index__list a {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    padding: 7px 10px 7px 12px;
    border-left: 2px solid transparent;
  }

  .page-products .pf-index__list a:hover,
  .page-products .pf-index__list a:focus-visible {
    border-left-color: var(--amber-500);
    background: var(--amber-100);
  }

  .page-products .pf-index__foot {
    display: block;
  }

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

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

  .page-products .pf-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 3.5vw, 48px);
    margin-top: 34px;
  }

  .page-products .pf-split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }

  .page-products .pf-split--reverse .pf-split__media {
    order: 0;
  }

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

  .page-products .pf-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 8px 32px;
  }

  .page-products .pf-cta__eyebrow,
  .page-products .pf-cta__title,
  .page-products .pf-cta__text {
    grid-column: 1;
  }

  .page-products .pf-cta__actions {
    grid-column: 2;
    grid-row: 2 / span 2;
    justify-content: flex-end;
    align-self: center;
    margin-top: 0;
  }

  .page-products .pf-cta__contact {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .page-products .pf-cat-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
  }
}