.page-products {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--f-body);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-products .mono {
  font-family: var(--f-mono);
  font-weight: 400;
  letter-spacing: 0.06em;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: 26px;
  font-size: 13px;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .breadcrumb li {
  color: var(--ink-faint);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .breadcrumb a {
  color: var(--lake);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 通用排版 ---------- */
.page-products h1 {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--lake-deep);
}

.page-products h2 {
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.36;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-products p {
  margin: 16px 0 0;
  font-size: 16px;
  color: var(--ink-soft);
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sea-soft);
}

.page-products .lede {
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-products .note {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--paper);
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .note a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
}

.page-products .note a:hover {
  border-bottom-color: var(--lake);
}

.page-products .link-arrow {
  display: inline-block;
  font-size: 14px;
  color: var(--lake);
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease);
}

.page-products .link-arrow::after {
  content: " →";
}

.page-products .link-arrow:hover {
  transform: translateX(4px);
}

.page-products .media {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--paper);
}

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

.page-products .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--hair);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-faint);
}

/* ---------- 首屏 ---------- */
.products-hero {
  padding: 28px 0 56px;
}

.products-hero__grid {
  display: grid;
  gap: 32px;
}

.products-hero__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  margin-top: 28px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}

.hero-facts__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-facts__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.hero-facts__v {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--lake-deep);
}

/* ---------- 章节目录 ---------- */
.products-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 22px;
  padding-top: 16px;
  padding-bottom: 16px;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.products-toc__title {
  margin: 0;
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--lake-deep);
}

.products-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.products-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 3px 8px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.products-toc__link:hover {
  background: var(--glow);
  color: var(--lake-deep);
}

.products-toc__link.is-current {
  background: var(--glow);
  border-color: var(--lake);
  color: var(--lake-deep);
}

.products-toc__no {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sea-soft);
}

/* ---------- 区块骨架 ---------- */
.products-block {
  padding: 56px 0;
}

.products-overview {
  padding-top: 48px;
}

/* ---------- 01 三块方案分工 ---------- */
.plan-list {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.plan-item {
  border-top: 1px solid var(--hair);
}

.plan-item:last-child {
  border-bottom: 1px solid var(--hair);
}

.plan-item__link {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 24px;
  align-items: start;
  gap: 4px 14px;
  padding: 20px 0;
  color: inherit;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), padding-left var(--t-mid) var(--ease);
}

.plan-item__link:hover {
  background: rgba(191, 224, 234, 0.34);
  padding-left: 12px;
}

.plan-item__no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.plan-item__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.5;
  color: var(--lake-deep);
}

.plan-item__desc {
  grid-column: 2 / 3;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.plan-item__go {
  grid-row: 1 / 3;
  grid-column: 3 / 4;
  align-self: center;
  color: var(--lake);
  transition: transform var(--t-fast) var(--ease);
}

.plan-item__link:hover .plan-item__go {
  transform: translateX(4px);
}

/* ---------- 02 入口 ---------- */
.split {
  display: grid;
  gap: 32px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--glow);
  border: 1px solid var(--lake);
}

.split__aside .media {
  margin-top: 4px;
}

/* ---------- 03 会员中心 ---------- */
.member-layout {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.step-list {
  display: grid;
  gap: 12px;
}

.page-products .step-card {
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-products .step-card:hover {
  border-color: var(--lake);
  box-shadow: 0 1px 0 var(--hair);
}

.step-card__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 18px;
  border: 0;
  background: none;
  font: inherit;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
}

.step-card__index {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  padding: 0 7px;
  border: 1px solid var(--orange);
  border-radius: var(--r-sm);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.step-card__title {
  flex: 1 1 auto;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.6;
  color: var(--lake-deep);
}

.page-products .accordion__mark {
  flex: none;
  position: relative;
  width: 14px;
  height: 14px;
}

.page-products .accordion__mark::before,
.page-products .accordion__mark::after {
  content: "";
  position: absolute;
  background: var(--lake);
}

.page-products .accordion__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-products .accordion__mark::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
  transition: transform var(--t-mid) var(--ease);
}

.page-products .accordion__trigger[aria-expanded="true"] .accordion__mark::after {
  transform: scaleY(0);
}

.page-products .accordion__panel {
  overflow: hidden;
}

.page-products .accordion__panel-inner {
  padding: 0 18px 20px 66px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .accordion__panel-inner p {
  margin-top: 0;
  font-size: 14px;
}

.member-layout__aside .note {
  margin-top: 20px;
}

/* ---------- 04 版本对照 ---------- */
.products-compare {
  border-top: 1px solid var(--hair);
}

.compare-layout {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.ctable {
  border: 1px solid var(--line);
  background: #fff;
}

.ctable__head {
  display: none;
}

.ctable__group {
  margin: 0;
  padding: 10px 16px;
  border-top: 1px solid var(--hair);
  background: var(--paper);
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--lake-deep);
}

.ctable__group:first-of-type {
  border-top: 0;
}

.ctable__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--hair);
  transition: background var(--t-fast) var(--ease);
}

.ctable__row:hover {
  background: rgba(191, 224, 234, 0.32);
}

.ctable__c {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.ctable__c--no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sea-soft);
}

.ctable__c--item {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.ctable__tag {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sea-soft);
}

.flag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.flag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.flag--same {
  color: var(--jade);
}

.flag--change {
  color: var(--red);
}

.compare-note {
  margin-top: 24px;
  padding: 20px 18px;
  background: var(--paper);
  border-left: 2px solid var(--jade);
}

.compare-note__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--lake-deep);
}

.compare-note__list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.compare-note__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.compare-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--jade);
}

.compare-note .note {
  margin-top: 16px;
  background: rgba(246, 248, 247, 0.8);
  border-left-color: var(--hair);
}

/* ---------- 05 设备 ---------- */
.device-layout {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.device-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.device-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: start;
  gap: 0 14px;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
  color: var(--lake);
}

.device-item:last-child {
  border-bottom: 1px solid var(--hair);
}

.device-item__icon {
  display: block;
  grid-row: 1 / 3;
  padding-top: 2px;
  color: var(--lake);
}

.device-item__name {
  grid-column: 2 / 3;
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
}

.device-item__desc {
  grid-column: 2 / 3;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 06 更新节奏 ---------- */
.cadence-layout {
  display: grid;
  gap: 36px;
}

.cadence-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--hair);
}

.cadence-facts__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cadence-facts dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.cadence-facts dd {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--lake-deep);
}

.cadence-layout__more {
  margin-top: 26px;
}

.version-axis__head {
  margin: 0;
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--lake-deep);
}

.version-axis {
  display: grid;
  gap: 24px;
  margin: 20px 0 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--line);
  list-style: none;
}

.version-axis__item {
  position: relative;
}

.version-axis__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--mist);
  border: 1px solid var(--lake);
}

.version-axis__item:last-child::before {
  background: var(--orange);
  border-color: var(--orange);
}

.version-axis__no {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lake-deep);
}

.version-axis__desc {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 结尾引导 ---------- */
.products-next {
  padding-bottom: 72px;
}

.next-panel {
  padding: 32px 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  background: #fff;
}

.next-panel__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 26px;
}

.next-panel .note {
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .cadence-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .next-panel {
    padding: 40px 36px;
  }
}

@media (min-width: 900px) {
  .products-hero {
    padding: 36px 0 72px;
  }

  .products-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: start;
  }

  .products-hero__media {
    margin-top: 28px;
  }

  .products-block {
    padding: 84px 0;
  }

  .split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .member-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .compare-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }

  .device-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .device-layout__media {
    position: sticky;
    top: 96px;
  }

  .cadence-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 64px;
    align-items: start;
  }

  .page-products .accordion__panel-inner {
    padding-left: 70px;
  }
}

@media (min-width: 860px) {
  .ctable__head {
    display: grid;
    background: var(--lake-deep);
    color: var(--on-deep);
  }

  .ctable__head,
  .ctable__row {
    grid-template-columns: 58px minmax(150px, 1.15fr) minmax(190px, 1fr) minmax(190px, 1fr) 104px;
    gap: 0;
  }

  .ctable__row {
    padding: 0;
  }

  .ctable__c {
    padding: 15px 18px;
    border-right: 1px solid var(--hair);
  }

  .ctable__c:last-child {
    border-right: 0;
  }

  .ctable__head .ctable__c {
    padding: 12px 18px;
    border-right: 1px solid var(--hair-deep);
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--on-deep);
  }

  .ctable__head .ctable__c:last-child {
    border-right: 0;
  }

  .ctable__c--item {
    font-size: 15px;
  }

  .ctable__tag {
    display: none;
  }

  .ctable__c--flag {
    display: flex;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .link-arrow,
  .page-products .plan-item__link,
  .page-products .plan-item__go,
  .products-toc__link,
  .ctable__row,
  .page-products .step-card {
    transition: none;
  }

  .page-products .link-arrow:hover,
  .plan-item__link:hover .plan-item__go {
    transform: none;
  }
}