.page-products {
  --pp-rail: 236px;
  --pp-gap: 48px;
  --pp-hair: rgba(220, 200, 155, .72);
  background-color: var(--porcelain);
  color: var(--ink);
  padding: 22px 0 84px;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑与页头 ---------- */
.page-products .breadcrumbs {
  margin-bottom: 22px;
  font-size: 13px;
}

.page-products .page-head {
  position: relative;
  padding: 8px 0 34px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .page-head::after {
  content: "";
  position: absolute;
  top: -8px;
  right: 0;
  width: min(30%, 320px);
  height: 100%;
  background: linear-gradient(155deg, var(--green), var(--green-deep));
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .95;
  pointer-events: none;
  display: none;
}

.page-products .page-head > * {
  position: relative;
  z-index: 1;
}

.page-products .page-head__meta {
  display: inline-block;
  padding-left: 26px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .page-head__meta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--gold);
}

.page-products .page-head__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(27px, 4.6vw, 44px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--green-deep);
  margin: 16px 0 18px;
  max-width: 19em;
}

.page-products .page-head__lead {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 54ch;
  margin: 0;
}

.page-products .page-head__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 双栏骨架与左侧索引 ---------- */
.page-products .products-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-products .index-rail {
  position: sticky;
  top: 0;
  z-index: 6;
  margin: 0 -24px;
  padding: 9px 24px;
  background: var(--porcelain);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .index-rail__title {
  display: none;
}

.page-products .index-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .index-rail__list::-webkit-scrollbar {
  display: none;
}

.page-products .index-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--green);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .index-rail__link:hover,
.page-products .index-rail__link:focus-visible {
  border-color: var(--gold);
  background: var(--porcelain);
}

.page-products .index-rail__num {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--amber);
}

/* ---------- 章节节奏 ---------- */
.page-products .section {
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 70px;
}

.page-products .products-body > .section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .section--airy {
  padding: 46px 0 52px;
}

.page-products .section__index {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.36;
  color: var(--green-deep);
  margin: 0 0 12px;
  max-width: 26em;
}

.page-products .section__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--moss);
  max-width: 62ch;
}

/* ---------- 表格 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--cream);
  box-shadow: var(--shadow-soft);
}

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

.page-products .service-table,
.page-products .version-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .service-table {
  min-width: 760px;
}

.page-products .service-table caption,
.page-products .version-table caption {
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--moss);
  background: var(--porcelain);
  border-bottom: 1px solid var(--line);
}

.page-products .service-table th,
.page-products .service-table td,
.page-products .version-table th,
.page-products .version-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .service-table thead th,
.page-products .version-table thead th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--green);
  background: var(--porcelain);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .service-table tbody th,
.page-products .version-table tbody th {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--green-deep);
  white-space: nowrap;
}

.page-products .service-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--cream);
  border-right: 1px solid var(--line);
  font-size: 15px;
}

.page-products .service-table thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--porcelain);
  border-right: 1px solid var(--line);
}

.page-products .service-table tbody tr:hover th,
.page-products .service-table tbody tr:hover td {
  background: var(--porcelain);
}

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

.page-products .version-table {
  background: var(--cream);
  border: 1px solid var(--line);
  margin-bottom: 20px;
}

.page-products .version-table td.mono,
.page-products .version-table th.mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--green);
}

.page-products .text-link {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .text-link:hover,
.page-products .text-link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 图文分栏 ---------- */
.page-products .split-media {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--cream);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-products .media-frame__caption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--moss);
  background: var(--porcelain);
  border-top: 1px solid var(--line);
}

.page-products .media-frame--region {
  margin-bottom: 28px;
}

.page-products .stack > * + * {
  margin-top: 18px;
}

.page-products .stack h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-products .stack p {
  margin: 0;
  line-height: 1.8;
}

/* ---------- 术语列表 ---------- */
.page-products .term-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .term-list dt {
  padding-top: 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--green);
}

.page-products .term-list dd {
  margin: 6px 0 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pp-hair);
  line-height: 1.75;
}

.page-products .term-list dd:last-of-type {
  border-bottom: 0;
}

/* ---------- 步骤列表 ---------- */
.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .step-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .step-list li:first-child {
  padding-top: 0;
}

.page-products .step-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .step-list__num {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-products .step-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-products .step-list p {
  margin: 0;
  line-height: 1.78;
}

/* ---------- 设备带 ---------- */
.page-products .device-band {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .device-band__item {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--cream);
}

.page-products .device-band__shape {
  display: block;
  width: 42px;
  height: 28px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  margin-bottom: 12px;
}

.page-products .device-band__shape--tablet {
  width: 30px;
  height: 38px;
}

.page-products .device-band__shape--phone {
  width: 22px;
  height: 38px;
}

.page-products .device-band__label {
  display: block;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green-deep);
}

.page-products .device-band__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--moss);
}

/* ---------- 地区分栏 ---------- */
.page-products .region-cols {
  gap: 26px;
}

.page-products .region-col h3 {
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--green-deep);
}

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

.page-products .link-list li {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pp-hair);
  line-height: 1.72;
  font-size: 15px;
}

.page-products .link-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 9px;
  background: var(--gold);
}

.page-products .region-note {
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--green);
  background: var(--cream);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--moss);
}

/* ---------- 阅读模式 ---------- */
.page-products .read-modes {
  margin-top: 28px;
  gap: 24px;
}

.page-products .read-mode {
  padding: 18px 0 4px;
  border-top: 2px solid var(--green);
}

.page-products .read-mode h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-products .read-mode p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 折叠块 ---------- */
.page-products .fold {
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--cream);
}

.page-products .fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-products .fold summary::-webkit-details-marker {
  display: none;
}

.page-products .fold summary::before {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-products .fold[open] summary::before {
  content: "－";
}

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

.page-products .fold__body {
  padding: 4px 18px 18px;
  border-top: 1px solid var(--pp-hair);
}

.page-products .fold__body p {
  margin: 14px 0 0;
  line-height: 1.8;
  font-size: 15px;
}

/* ---------- 服务流程 ---------- */
.page-products .flow-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .flow-strip__item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: var(--cream);
}

.page-products .flow-strip__num {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-products .flow-strip__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-products .flow-strip__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--moss);
}

.page-products .sync-note {
  margin: 26px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--amber);
  background: var(--green);
  color: var(--porcelain);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- 场景错位网格 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: 20px;
}

.page-products .scene {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--green);
  background: var(--cream);
}

.page-products .scene__index {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-products .scene__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-products .scene p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.76;
}

.page-products .scene__result {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

.page-products .scene__result .tag {
  flex: 0 0 auto;
}

.page-products .cross-links {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .device-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .page-products .device-band__item {
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
    padding: 22px 20px 8px;
  }

  .page-products .device-band__item:last-child {
    border-right: 1px solid var(--line);
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 30px;
  }

  .page-products .scene:nth-child(even) {
    margin-top: 34px;
  }
}

@media (min-width: 780px) {
  .page-products .split-media--media-first {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
  }

  .page-products .split-media--text-first {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
  }

  .page-products .split-media--media-first > .media-frame {
    margin-top: 10px;
  }

  .page-products .split-media--text-first > .media-frame {
    margin-top: 28px;
  }

  .page-products .read-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products {
    padding-bottom: 104px;
  }

  .page-products .page-head::after {
    display: block;
  }

  .page-products .page-head__lead {
    max-width: 46ch;
  }

  .page-products .products-shell {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: var(--pp-gap);
    align-items: start;
    margin-top: 46px;
  }

  .page-products .index-rail {
    position: sticky;
    top: 96px;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
  }

  .page-products .index-rail__title {
    display: block;
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--moss);
  }

  .page-products .index-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-products .index-rail__link {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--moss);
  }

  .page-products .index-rail__link:hover,
  .page-products .index-rail__link:focus-visible,
  .page-products .index-rail__link[aria-current="true"] {
    border-left-color: var(--amber);
    background: var(--cream);
    color: var(--green-deep);
  }

  .page-products .section {
    scroll-margin-top: 96px;
  }
}

@media (min-width: 920px) {
  .page-products .flow-strip {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    border-top: 2px solid var(--green);
    border-bottom: 1px solid var(--line);
  }

  .page-products .flow-strip__item {
    position: relative;
    border: 0;
    border-right: 1px solid var(--pp-hair);
    background: transparent;
    padding: 24px 18px 22px;
  }

  .page-products .flow-strip__item:last-child {
    border-right: 0;
  }

  .page-products .flow-strip__item::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 18px;
    width: 10px;
    height: 10px;
    background: var(--amber);
    transform: rotate(45deg);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .index-rail__link,
  .page-products .text-link {
    transition: none;
  }
}