.page-products {
  --pp-rail: 64px;
  --pp-node: 40px;
  --pp-space: clamp(28px, 5vw, 56px);
  overflow-x: clip;
  background: var(--white);
  color: var(--ink);
}

.page-products .breadcrumbs {
  margin: 0 0 20px;
}

.page-products .page-products__head {
  margin: 0 0 28px;
}

.page-products .page-products__head .page-head__lead {
  max-width: 78ch;
}

/* 经幡五色细带装饰 */
.page-products .pp-flagline {
  display: grid;
  grid-template-columns: repeat(5, 24px);
  height: 4px;
  width: 120px;
  margin: 0 0 32px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-products .pp-flagline span {
  display: block;
}

.page-products .pp-flagline span:nth-child(1) { background: var(--link); }
.page-products .pp-flagline span:nth-child(2) { background: var(--white); }
.page-products .pp-flagline span:nth-child(3) { background: var(--saffron); }
.page-products .pp-flagline span:nth-child(4) { background: var(--turquoise); }
.page-products .pp-flagline span:nth-child(5) { background: var(--amber); }

/* 数据带 */
.page-products .page-products__band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: var(--pp-space);
  overflow: hidden;
}

.page-products .page-products__band .data-band__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px 22px;
  background: var(--white);
}

.page-products .page-products__band .data-band__value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--indigo);
}

.page-products .page-products__band .data-band__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* 步骤线 */
.page-products .journey {
  display: block;
}

.page-products .step {
  display: grid;
  grid-template-columns: var(--pp-rail) minmax(0, 1fr);
  align-items: stretch;
  column-gap: 0;
}

.page-products .step__rail {
  position: relative;
  display: block;
}

.page-products .step__rail::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line-strong) 0%, var(--line) 45%, rgba(20, 33, 61, 0) 100%);
}

.page-products .journey > .step:last-child .step__rail::before {
  display: none;
}

.page-products .step__node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: var(--pp-node);
  height: var(--pp-node);
  border: 1px solid var(--line-strong);
  background: var(--white);
  color: var(--indigo);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .step--start .step__node {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--white);
}

.page-products .step__card {
  padding: 26px clamp(18px, 3vw, 34px) 32px;
  margin-bottom: var(--pp-space);
  background: var(--white);
  box-shadow: var(--shadow);
}

.page-products .step__card .section-title {
  margin: 8px 0 16px;
}

.page-products .step__text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .step__text:last-child {
  margin-bottom: 0;
}

.page-products .step__card a:not(.pp-btn) {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .step__card a:not(.pp-btn):hover {
  color: var(--indigo);
}

/* 图片容器 */
.page-products .fig {
  margin: 24px 0;
  border: 1px solid var(--line);
  background: var(--mist);
  overflow: hidden;
}

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

.page-products .fig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

/* 路径节点 */
.page-products .path-map {
  margin-top: 28px;
  border-top: 1px solid var(--line-strong);
}

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

.page-products .path-node > summary {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  padding: 15px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--indigo);
}

.page-products .path-node > summary::-webkit-details-marker {
  display: none;
}

.page-products .path-node > summary:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

.page-products .path-node__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-products .path-node__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}

.page-products .path-node__mark {
  justify-self: end;
  width: 10px;
  height: 10px;
  border: 1px solid var(--line-strong);
  background: var(--white);
  transition: background-color 200ms var(--ease-panel), border-color 200ms var(--ease-panel);
}

.page-products .path-node[open] .path-node__mark {
  background: var(--turquoise);
  border-color: var(--turquoise);
}

.page-products .path-node__body {
  margin: 0 0 18px;
  padding: 0 4px 0 50px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

/* 图文分栏 */
.page-products .split {
  display: grid;
  gap: 24px;
}

.page-products .split__body .step__text {
  font-size: 15.5px;
}

.page-products .split .fig {
  margin-top: 4px;
}

/* 要点清单 */
.page-products .check-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-products .check-list__item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .check-list__dot {
  width: 8px;
  height: 8px;
  margin-top: 10px;
  background: var(--turquoise);
}

/* 检索方法 */
.page-products .method-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 22px 0 26px;
}

.page-products .method {
  background: var(--white);
  padding: 20px 20px 22px;
}

.page-products .method__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--link);
}

.page-products .method__title {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--indigo);
}

.page-products .method__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--grey);
}

/* 字段清单 */
.page-products .field-list {
  list-style: none;
  margin: 18px 0 26px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .field-list__item {
  display: grid;
  grid-template-columns: minmax(88px, 118px) minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.page-products .field-list__key {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--indigo);
}

.page-products .field-list__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--grey);
}

/* 双栏对照 */
.page-products .dual {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 6px 0 0;
}

.page-products .dual__col {
  background: var(--white);
  padding: 22px;
}

.page-products .dual__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--indigo);
}

.page-products .dual__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--grey);
}

/* 小数据 */
.page-products .mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 26px 40px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-products .mini-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .mini-stat__value {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--indigo);
}

.page-products .mini-stat__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--grey);
}

/* 适配表 */
.page-products .table-wrap {
  margin: 22px 0 4px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-products .spec-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14.5px;
}

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

.page-products .spec-table tr:last-child td {
  border-bottom: 0;
}

.page-products .spec-table th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--grey);
  background: var(--mist);
}

.page-products .spec-table td {
  color: var(--ink);
  line-height: 1.65;
}

.page-products .spec-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--indigo);
  white-space: nowrap;
}

/* 版本对照 */
.page-products .compare {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 22px;
}

.page-products .compare__col {
  background: var(--white);
  padding: 22px;
}

.page-products .compare__col--now {
  background: var(--mist);
}

.page-products .compare__label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey);
}

.page-products .compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .compare__item {
  display: grid;
  gap: 4px;
}

.page-products .compare__key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-products .compare__val {
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink);
}

.page-products .compare__col--now .compare__val {
  color: var(--indigo);
  font-weight: 600;
}

/* 场景列表 */
.page-products .scenes {
  margin: 22px 0 4px;
  border-top: 1px solid var(--line-strong);
}

.page-products .scene {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 2px;
  border-bottom: 1px solid var(--line);
}

.page-products .scene__tag {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .scene__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--indigo);
}

.page-products .scene__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--grey);
}

/* 结尾行动区 */
.page-products .closing {
  margin: 0 0 clamp(32px, 6vw, 64px);
  padding: clamp(24px, 4vw, 38px);
  background: var(--indigo);
  border: 1px solid var(--indigo);
}

.page-products .closing__title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}

.page-products .closing__text {
  margin: 0 0 22px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.82);
}

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

.page-products .pp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--line-invert);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--white);
  font-size: 15px;
  text-decoration: none;
  transition: background-color 200ms var(--ease-panel), border-color 200ms var(--ease-panel);
}

.page-products .pp-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.42);
}

.page-products .pp-btn--solid {
  background: var(--white);
  border-color: var(--white);
  color: var(--indigo);
  font-weight: 600;
}

.page-products .pp-btn--solid:hover {
  background: var(--mist);
  border-color: var(--mist);
}

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

/* 响应式 */
@media (min-width: 700px) {
  .page-products .method-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 820px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 330px);
    align-items: start;
    gap: 32px;
  }

  .page-products .fig--phone {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-products .page-products__band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .journey > .step:nth-child(even) .step__card {
    margin-left: 28px;
  }
}

@media (max-width: 720px) {
  .page-products .step {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .step__rail {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }

  .page-products .step__rail::before {
    content: "";
    position: static;
    order: 2;
    flex: 1 1 auto;
    width: auto;
    height: 1px;
    background: var(--line);
  }

  .page-products .journey > .step:last-child .step__rail::before {
    display: block;
  }

  .page-products .step__card {
    padding: 22px 16px 26px;
    margin-bottom: 32px;
  }

  .page-products .path-node > summary {
    grid-template-columns: 32px minmax(0, 1fr) 14px;
    gap: 10px;
  }

  .page-products .path-node__body {
    padding-left: 42px;
  }

  .page-products .field-list__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .scene {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-products .scene__tag {
    padding-top: 0;
  }

  .page-products .mini-stats {
    gap: 20px 28px;
  }
}

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